On May 14, Ales Musil wrote:
> On Mon, Apr 27, 2026 at 3:19 PM Lorenzo Bianconi via dev <
> [email protected]> wrote:
> 
> > In the OVN logical switch pipeline, broadcast ARP requests (and ND_NS)
> > generated by VIFs and by router ports are also flooded into the per switch
> > MC_FLOOD_L2 multicast group which includes all non-router ports of the
> > switch.
> > In deployments with large logical broadcast domains (logical switches with
> > a significantly large number of switch ports, e.g. 200+) this becomes a
> > problem because the MC_FLOOD_L2 multicast group has a lot of ports so the
> > chain of the OpenFlow tables that the packet needs to traverse for full
> > processing becomes really long, going over OVS' 4K resubmit limit and
> > causing the packet to be dropped.
> > The main reason why the ARP packets are currently sent to all non-router
> > ports is to allow the workloads to learn the mapping between arp.spa
> > (source IP) and arp.sha (source MAC). However, that's just an optimization,
> > which might avoid future ARP requests from other workloads; and it's not a
> > requirement, nothing would really break if we didn't forward those packets
> > to all other VIFs.
> > It's probably acceptable to change the behavior and just forward these ARP
> > requests to the ports that have LSP.addresses="unknown" as the workloads
> > behind those ports (or the fabric for the localnet case) might actually own
> > the arp.tpa target IP.
> >
> > Reported-at: https://redhat.atlassian.net/browse/FDP-3439
> > Co-authored-by: Dumitru Ceara <[email protected]>
> > Signed-off-by: Dumitru Ceara <[email protected]>
> > Signed-off-by: Lorenzo Bianconi <[email protected]>
> > ---
> >
> 
> Hi Lorenzo,
> 
> thank you for the patch I have a few comments down below.
> Could you also please rebase the patch, it doesn't apply cleanly
> after the documentation changes.
> 
> Changes since v1:

Hi Ales,

thx for the review. Ack, I will fix the conflicts in v3.

> > - Add dedicated GARP management
> > - Do not skip any unit-test
> > ---
> >  northd/northd.c         |  25 +++++-
> >  northd/ovn-northd.8.xml |  14 ++-
> >  ovs                     |   2 +-
> >  tests/ovn-northd.at     | 192 +++++++++++++++++++++++++---------------
> >  tests/ovn.at            |  38 ++++----
> >  5 files changed, 173 insertions(+), 98 deletions(-)
> >
> > diff --git a/northd/northd.c b/northd/northd.c
> > index 0b52db6cf..e606365c6 100644
> > --- a/northd/northd.c
> > +++ b/northd/northd.c
> > @@ -9583,6 +9583,7 @@ build_lswitch_rport_arp_req_flow(
> >  {
> >      struct ds match   = DS_EMPTY_INITIALIZER;
> >      struct ds m       = DS_EMPTY_INITIALIZER;
> > +    struct ds m_garp  = DS_EMPTY_INITIALIZER;
> >      struct ds actions = DS_EMPTY_INITIALIZER;
> >
> >      arp_nd_ns_match(ips, addr_family, &m);
> > @@ -9604,16 +9605,27 @@ build_lswitch_rport_arp_req_flow(
> >                        patch_op->cr_port->json_key);
> >      }
> >
> > +    if (addr_family == AF_INET) {
> > +        ds_clone(&m_garp, &match);
> > +        ds_put_format(&m_garp, " && arp.spa == %s", ips);
> > +    }
> > +
> >      /* Send a the packet to the router pipeline.  If the switch has
> > non-router
> >       * ports then flood it there as well.
> >       */
> >      if (vector_len(&od->router_ports) != od->nbs->n_ports) {
> >          ds_put_format(&actions, "clone {outport = %s; output; }; "
> > -                                "outport = \""MC_FLOOD_L2"\"; output;",
> > +                                "outport = \""MC_UNKNOWN"\"; output;",
> >                        patch_op->json_key);
> >          ovn_lflow_add(lflows, od, S_SWITCH_IN_L2_LKUP, priority,
> >                        ds_cstr(&match), ds_cstr(&actions), lflow_ref,
> >                        WITH_HINT(stage_hint));
> > +        if (addr_family == AF_INET) {
> > +            ovn_lflow_add(lflows, od, S_SWITCH_IN_L2_LKUP, priority + 10,
> > +                          ds_cstr(&m_garp),
> > +                          "outport = \""MC_FLOOD_L2"\"; output;",
> > +                          lflow_ref, WITH_HINT(stage_hint));
> > +        }
> >      } else {
> >          ds_put_format(&actions, "outport = %s; output;",
> > patch_op->json_key);
> >          ovn_lflow_add(lflows, od, S_SWITCH_IN_L2_LKUP, priority,
> > @@ -9628,11 +9640,17 @@ build_lswitch_rport_arp_req_flow(
> >          ds_clear(&actions);
> >          if (vector_len(&od->router_ports) != od->nbs->n_ports) {
> >              ds_put_format(&actions, "clone {outport = %s; output; }; "
> > -                                    "outport = \""MC_FLOOD_L2"\";
> > output;",
> > +                                    "outport = \""MC_UNKNOWN"\"; output;",
> >                            patch_op->cr_port->json_key);
> >              ovn_lflow_add(lflows, od, S_SWITCH_IN_L2_LKUP, priority,
> >                            ds_cstr(&match), ds_cstr(&actions), lflow_ref,
> >                            WITH_HINT(stage_hint));
> > +            if (addr_family == AF_INET) {
> > +                ovn_lflow_add(lflows, od, S_SWITCH_IN_L2_LKUP, priority +
> > 10,
> > +                              ds_cstr(&m_garp),
> >
> 
> Is this actually correct? This part of the code is matching
> on !is_chassis_resident. However, the m_garp is still using
> is_chassis_resident, which is a difference in negation.
> So either this flow isn't needed because it duplicates the
> flow above or it needs to re-populate the m_garp.
> 
> On a second thought, do we need the residency check at all?
> This actually illustrates that the flows are identical and having
> them twice, with and without residency, doesn't make sense.
> 
> So I think the correct fix is to clone the m instead of match and
> adding the new flow only once in the beginning should cover
> all cases.
> 
> 
> +                              "outport = \""MC_FLOOD_L2"\"; output;",

ack, right. I will fix it in v3.

> > +                              lflow_ref, WITH_HINT(stage_hint));
> > +            }
> >          } else {
> >              ds_put_format(&actions, "outport = %s; output;",
> >                            patch_op->cr_port->json_key);
> > @@ -9644,6 +9662,7 @@ build_lswitch_rport_arp_req_flow(
> >
> >      ds_destroy(&m);
> >      ds_destroy(&match);
> > +    ds_destroy(&m_garp);
> >      ds_destroy(&actions);
> >  }
> >
> > @@ -11061,7 +11080,7 @@ build_lswitch_destination_lookup_bmcast(struct
> > ovn_datapath *od,
> >                         "broadcast-arps-to-all-routers", true)) {
> >          ovn_lflow_add(lflows, od, S_SWITCH_IN_L2_LKUP, 72,
> >                        "eth.mcast && (arp.op == 1 || nd_ns)",
> > -                      "outport = \""MC_FLOOD_L2"\"; output;",
> > +                      "outport = \""MC_UNKNOWN"\"; output;",
> >                        lflow_ref);
> >      }
> >
> > diff --git a/northd/ovn-northd.8.xml b/northd/ovn-northd.8.xml
> > index 4d6370da6..75c17e75d 100644
> > --- a/northd/ovn-northd.8.xml
> > +++ b/northd/ovn-northd.8.xml
> > @@ -2346,6 +2346,14 @@ output;
> >          <ref table="IGMP_Group" db="OVN_Southbound"/> entries.
> >        </li>
> >
> > +      <li>
> > +        Priority-95 flows for each IP address/VIP/NAT address owned by a
> > +        router port connected to the switch. These flows match GARP
> > packets
> > +        for the specific IP addresses. Matched packets are forwarded to
> > the
> > +        <code>MC_FLOOD_L2</code> multicast group which contains all
> > non-router
> > +        logical ports.
> > +      </li>
> > +
> >        <li>
> >          Priority-90 flows that forward registered IP multicast traffic to
> >          their corresponding multicast group, which <code>ovn-northd</code>
> > @@ -2402,8 +2410,8 @@ output;
> >          router port connected to the switch. These flows match ARP
> > requests
> >          and ND packets for the specific IP addresses.  Matched packets are
> >          forwarded only to the router that owns the IP address and to the
> > -        <code>MC_FLOOD_L2</code> multicast group which contains all
> > non-router
> > -        logical ports.
> > +        <code>MC_UNKNOWN</code> multicast group which contains all enabled
> > +        logical ports that accept unknown destination packets.
> >        </li>
> >
> >        <li>
> > @@ -2426,7 +2434,7 @@ output;
> >        <li>
> >          A priority-72 flow that outputs all ARP requests and ND NS
> > (Neighbor
> >          Solicitation) packets with an Ethernet broadcast or multicast
> > -        <code>eth.dst</code> to the <code>MC_FLOOD_L2</code> multicast
> > group
> > +        <code>eth.dst</code> to the <code>MC_UNKNOWN</code> multicast
> > group
> >          if <code>other_config:broadcast-arps-to-all-routers=false</code>.
> >        </li>
> >
> > diff --git a/ovs b/ovs
> > index bdb95cc19..6aefe1db3 160000
> > --- a/ovs
> > +++ b/ovs
> > @@ -1 +1 @@
> > -Subproject commit bdb95cc1920d4ab66fe062a9470eeb33a51d33e2
> > +Subproject commit 6aefe1db31e3df4e7b64c21f54a7287e4663e1e4
> >
> 
> nit: Accidental submodule bump?

ops, I will remove it in v3.

Regards,
Lorenzo

> 
> 
> > diff --git a/tests/ovn-northd.at b/tests/ovn-northd.at
> > index 1d7bd6c28..b66f36691 100644
> > --- a/tests/ovn-northd.at
> > +++ b/tests/ovn-northd.at
> > @@ -5867,8 +5867,9 @@ AT_CHECK([grep "ls_in_l2_lkup" ls1_lflows |
> > ovn_strip_lflows], [0], [dnl
> >    table=??(ls_in_l2_lkup      ), priority=71   , match=(eth.mcast && ip),
> > action=(outport = "_MC_flood_l2"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=72   , match=(eth.mcast &&
> > (nd_na || nd_rs || nd_ra)), action=(outport = "_MC_flood"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=75   , match=(eth.src ==
> > {00:00:00:00:01:01} && eth.dst == ff:ff:ff:ff:ff:ff && (arp.op == 1 ||
> > rarp.op == 3 || nd_ns)), action=(outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.1), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:101), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.1), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:101), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.1 && arp.spa == 192.168.1.1),
> > action=(outport = "_MC_flood_l2"; output;)
> >  ])
> >
> >  ovn-sbctl lflow-list ls2 > ls2_lflows
> > @@ -5883,8 +5884,9 @@ AT_CHECK([grep "ls_in_l2_lkup" ls2_lflows |
> > ovn_strip_lflows], [0], [dnl
> >    table=??(ls_in_l2_lkup      ), priority=71   , match=(eth.mcast && ip),
> > action=(outport = "_MC_flood_l2"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=72   , match=(eth.mcast &&
> > (nd_na || nd_rs || nd_ra)), action=(outport = "_MC_flood"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=75   , match=(eth.src ==
> > {00:00:00:00:02:01} && eth.dst == ff:ff:ff:ff:ff:ff && (arp.op == 1 ||
> > rarp.op == 3 || nd_ns)), action=(outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.2.1), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:201), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.2.1), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:201), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.2.1 && arp.spa == 192.168.2.1),
> > action=(outport = "_MC_flood_l2"; output;)
> >  ])
> >
> >  AS_BOX([Adding some reachable NAT addresses])
> > @@ -5907,10 +5909,13 @@ AT_CHECK([grep "ls_in_l2_lkup" ls1_lflows |
> > ovn_strip_lflows], [0], [dnl
> >    table=??(ls_in_l2_lkup      ), priority=71   , match=(eth.mcast && ip),
> > action=(outport = "_MC_flood_l2"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=72   , match=(eth.mcast &&
> > (nd_na || nd_rs || nd_ra)), action=(outport = "_MC_flood"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=75   , match=(eth.src ==
> > {00:00:00:00:01:01} && eth.dst == ff:ff:ff:ff:ff:ff && (arp.op == 1 ||
> > rarp.op == 3 || nd_ns)), action=(outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.200), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.1), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:101), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.200), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.1), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:101), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.100 && arp.spa == 10.0.0.100),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.200 && arp.spa == 10.0.0.200),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.1 && arp.spa == 192.168.1.1),
> > action=(outport = "_MC_flood_l2"; output;)
> >  ])
> >
> >  ovn-sbctl lflow-list ls2 > ls2_lflows
> > @@ -5925,10 +5930,13 @@ AT_CHECK([grep "ls_in_l2_lkup" ls2_lflows |
> > ovn_strip_lflows], [0], [dnl
> >    table=??(ls_in_l2_lkup      ), priority=71   , match=(eth.mcast && ip),
> > action=(outport = "_MC_flood_l2"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=72   , match=(eth.mcast &&
> > (nd_na || nd_rs || nd_ra)), action=(outport = "_MC_flood"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=75   , match=(eth.src ==
> > {00:00:00:00:02:01} && eth.dst == ff:ff:ff:ff:ff:ff && (arp.op == 1 ||
> > rarp.op == 3 || nd_ns)), action=(outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.2.1), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 20.0.0.100), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 20.0.0.200), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:201), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.2.1), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 20.0.0.100), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 20.0.0.200), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:201), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.2.1 && arp.spa == 192.168.2.1),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 20.0.0.100 && arp.spa == 20.0.0.100),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 20.0.0.200 && arp.spa == 20.0.0.200),
> > action=(outport = "_MC_flood_l2"; output;)
> >  ])
> >
> >  AS_BOX([Adding some unreachable NAT addresses])
> > @@ -5951,12 +5959,17 @@ AT_CHECK([grep "ls_in_l2_lkup" ls1_lflows |
> > ovn_strip_lflows], [0], [dnl
> >    table=??(ls_in_l2_lkup      ), priority=71   , match=(eth.mcast && ip),
> > action=(outport = "_MC_flood_l2"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=72   , match=(eth.mcast &&
> > (nd_na || nd_rs || nd_ra)), action=(outport = "_MC_flood"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=75   , match=(eth.src ==
> > {00:00:00:00:01:01} && eth.dst == ff:ff:ff:ff:ff:ff && (arp.op == 1 ||
> > rarp.op == 3 || nd_ns)), action=(outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.200), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.1), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.200), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:101), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.200), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.1), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.200), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:101), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.100 && arp.spa == 10.0.0.100),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.200 && arp.spa == 10.0.0.200),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.1 && arp.spa == 192.168.1.1),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.100 && arp.spa == 30.0.0.100),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.200 && arp.spa == 30.0.0.200),
> > action=(outport = "_MC_flood_l2"; output;)
> >  ])
> >
> >  ovn-sbctl lflow-list ls2 > ls2_lflows
> > @@ -5971,12 +5984,17 @@ AT_CHECK([grep "ls_in_l2_lkup" ls2_lflows |
> > ovn_strip_lflows], [0], [dnl
> >    table=??(ls_in_l2_lkup      ), priority=71   , match=(eth.mcast && ip),
> > action=(outport = "_MC_flood_l2"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=72   , match=(eth.mcast &&
> > (nd_na || nd_rs || nd_ra)), action=(outport = "_MC_flood"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=75   , match=(eth.src ==
> > {00:00:00:00:02:01} && eth.dst == ff:ff:ff:ff:ff:ff && (arp.op == 1 ||
> > rarp.op == 3 || nd_ns)), action=(outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.2.1), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 20.0.0.100), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 20.0.0.200), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 40.0.0.100), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 40.0.0.200), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:201), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.2.1), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 20.0.0.100), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 20.0.0.200), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 40.0.0.100), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 40.0.0.200), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:201), action=(clone {outport =
> > "ls2-ro2"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.2.1 && arp.spa == 192.168.2.1),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 20.0.0.100 && arp.spa == 20.0.0.100),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 20.0.0.200 && arp.spa == 20.0.0.200),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 40.0.0.100 && arp.spa == 40.0.0.100),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 40.0.0.200 && arp.spa == 40.0.0.200),
> > action=(outport = "_MC_flood_l2"; output;)
> >  ])
> >
> >  AS_BOX([Adding load balancer reachable VIPs to ro1])
> > @@ -5996,13 +6014,19 @@ AT_CHECK([grep "ls_in_l2_lkup" ls1_lflows |
> > ovn_strip_lflows], [0], [dnl
> >    table=??(ls_in_l2_lkup      ), priority=71   , match=(eth.mcast && ip),
> > action=(outport = "_MC_flood_l2"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=72   , match=(eth.mcast &&
> > (nd_na || nd_rs || nd_ra)), action=(outport = "_MC_flood"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=75   , match=(eth.src ==
> > {00:00:00:00:01:01} && eth.dst == ff:ff:ff:ff:ff:ff && (arp.op == 1 ||
> > rarp.op == 3 || nd_ns)), action=(outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.200), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.1), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.200), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:101), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.200), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.1), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.200), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:101), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.100 && arp.spa == 10.0.0.100),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.200 && arp.spa == 10.0.0.200),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.1 && arp.spa == 192.168.1.1),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.100 && arp.spa == 192.168.1.100),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.100 && arp.spa == 30.0.0.100),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.200 && arp.spa == 30.0.0.200),
> > action=(outport = "_MC_flood_l2"; output;)
> >  ])
> >
> >  AS_BOX([Adding load balancer unreachable VIPs to ro1])
> > @@ -6020,13 +6044,19 @@ AT_CHECK([grep "ls_in_l2_lkup" ls1_lflows |
> > ovn_strip_lflows], [0], [dnl
> >    table=??(ls_in_l2_lkup      ), priority=71   , match=(eth.mcast && ip),
> > action=(outport = "_MC_flood_l2"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=72   , match=(eth.mcast &&
> > (nd_na || nd_rs || nd_ra)), action=(outport = "_MC_flood"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=75   , match=(eth.src ==
> > {00:00:00:00:01:01} && eth.dst == ff:ff:ff:ff:ff:ff && (arp.op == 1 ||
> > rarp.op == 3 || nd_ns)), action=(outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.200), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.1), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.200), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:101), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.200), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.1), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.200), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:101), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.100 && arp.spa == 10.0.0.100),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.200 && arp.spa == 10.0.0.200),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.1 && arp.spa == 192.168.1.1),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.100 && arp.spa == 192.168.1.100),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.100 && arp.spa == 30.0.0.100),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.200 && arp.spa == 30.0.0.200),
> > action=(outport = "_MC_flood_l2"; output;)
> >  ])
> >
> >  # Make sure that there is no flow for VIP 192.168.4.100 as ro1-ls1 doesn't
> > @@ -6051,13 +6081,19 @@ AT_CHECK([grep "ls_in_l2_lkup" ls1_lflows |
> > ovn_strip_lflows], [0], [dnl
> >    table=??(ls_in_l2_lkup      ), priority=71   , match=(eth.mcast && ip),
> > action=(outport = "_MC_flood_l2"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=72   , match=(eth.mcast &&
> > (nd_na || nd_rs || nd_ra)), action=(outport = "_MC_flood"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=75   , match=(eth.src ==
> > {00:00:00:00:01:01} && eth.dst == ff:ff:ff:ff:ff:ff && (arp.op == 1 ||
> > rarp.op == 3 || nd_ns)), action=(outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.200), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.1), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.200), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:101), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.200), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.1), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.100), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.200), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:101), action=(clone {outport =
> > "ls1-ro1"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.100 && arp.spa == 10.0.0.100),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 10.0.0.200 && arp.spa == 10.0.0.200),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.1 && arp.spa == 192.168.1.1),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 192.168.1.100 && arp.spa == 192.168.1.100),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.100 && arp.spa == 30.0.0.100),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 30.0.0.200 && arp.spa == 30.0.0.200),
> > action=(outport = "_MC_flood_l2"; output;)
> >  ])
> >
> >
> > @@ -8066,17 +8102,17 @@ check ovn-nbctl lsp-add S1 S1-VIF
> >  check ovn-nbctl lsp-set-addresses S1-VIF "02:ac:10:01:00:02 unknown"
> >  check ovn-nbctl --wait=sb sync
> >
> > -AT_CHECK([ovn-sbctl lflow-list S1 | grep ls_in_l2_lkup | grep -q
> > 'match=(eth.mcast && (arp.op == 1 || nd_ns)), action=(outport =
> > "_MC_flood_l2"; output;)'], [1])
> > +AT_CHECK([ovn-sbctl lflow-list S1 | grep ls_in_l2_lkup | grep -q
> > 'match=(eth.mcast && (arp.op == 1 || nd_ns)), action=(outport =
> > "_MC_unknown"; output;)'], [1])
> >
> >  check ovn-nbctl --wait=sb set Logical_Switch S1 \
> >      other_config:broadcast-arps-to-all-routers=false
> >
> > -AT_CHECK([ovn-sbctl lflow-list S1 | grep ls_in_l2_lkup | grep -q
> > 'match=(eth.mcast && (arp.op == 1 || nd_ns)), action=(outport =
> > "_MC_flood_l2"; output;)'], [0], [], [ignore])
> > +AT_CHECK([ovn-sbctl lflow-list S1 | grep ls_in_l2_lkup | grep -q
> > 'match=(eth.mcast && (arp.op == 1 || nd_ns)), action=(outport =
> > "_MC_unknown"; output;)'], [0], [], [ignore])
> >
> >  check ovn-nbctl --wait=sb set Logical_Switch S1 \
> >      other_config:broadcast-arps-to-all-routers=true
> >
> > -AT_CHECK([ovn-sbctl lflow-list S1 | grep ls_in_l2_lkup | grep -q
> > 'match=(eth.mcast && (arp.op == 1 || nd_ns)), action=(outport =
> > "_MC_flood_l2"; output;)'], [1])
> > +AT_CHECK([ovn-sbctl lflow-list S1 | grep ls_in_l2_lkup | grep -q
> > 'match=(eth.mcast && (arp.op == 1 || nd_ns)), action=(outport =
> > "_MC_unknown"; output;)'], [1])
> >
> >  OVN_CLEANUP_NORTHD
> >  AT_CLEANUP
> > @@ -14356,11 +14392,15 @@ AT_CHECK([grep "ls_in_l2_lkup" publicflows |
> > ovn_strip_lflows], [0], [dnl
> >    table=??(ls_in_l2_lkup      ), priority=71   , match=(eth.mcast && ip),
> > action=(outport = "_MC_flood_l2"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=72   , match=(eth.mcast &&
> > (nd_na || nd_rs || nd_ra)), action=(outport = "_MC_flood"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=75   , match=(eth.src ==
> > {00:00:00:00:ff:02, 30:54:00:00:00:03} && eth.dst == ff:ff:ff:ff:ff:ff &&
> > (arp.op == 1 || rarp.op == 3 || nd_ns)), action=(outport = "_MC_flood_l2";
> > output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.10), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.100), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:ff02), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.10), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.100), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:ff02), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.10 && arp.spa == 172.168.0.10),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.100 && arp.spa == 172.168.0.100),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110 && arp.spa == 172.168.0.110),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120 && arp.spa == 172.168.0.120),
> > action=(outport = "_MC_flood_l2"; output;)
> >  ])
> >
> >  AT_CHECK([grep -Fe "172.168.0.110" -e "172.168.0.120" -e "10.0.0.3" -e
> > "20.0.0.3" -e "30:54:00:00:00:03"  -e "sw0-port1" lr0flows |
> > ovn_strip_lflows], [0], [dnl
> > @@ -14391,8 +14431,10 @@ AT_CHECK([grep -Fe "172.168.0.110" -e
> > "172.168.0.120" -e "10.0.0.3" -e "20.0.0.3
> >  AT_CHECK([grep -Fe "172.168.0.110" -e "172.168.0.120" -e "10.0.0.3" -e
> > "20.0.0.3" -e "30:54:00:00:00:03"  -e "sw0-port1" publicflows |
> > ovn_strip_lflows | grep -v "reg0.*22"], [0], [dnl
> >    table=??(ls_in_l2_lkup      ), priority=50   , match=(eth.dst ==
> > 30:54:00:00:00:03 && is_chassis_resident("sw0-port1")), action=(outport =
> > "public-lr0"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=75   , match=(eth.src ==
> > {00:00:00:00:ff:02, 30:54:00:00:00:03} && eth.dst == ff:ff:ff:ff:ff:ff &&
> > (arp.op == 1 || rarp.op == 3 || nd_ns)), action=(outport = "_MC_flood_l2";
> > output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110 && arp.spa == 172.168.0.110),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120 && arp.spa == 172.168.0.120),
> > action=(outport = "_MC_flood_l2"; output;)
> >  ])
> >  }
> >
> > @@ -14536,16 +14578,20 @@ AT_CHECK([grep "ls_in_l2_lkup" publicflows |
> > ovn_strip_lflows], [0], [dnl
> >    table=??(ls_in_l2_lkup      ), priority=71   , match=(eth.mcast && ip),
> > action=(outport = "_MC_flood_l2"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=72   , match=(eth.mcast &&
> > (nd_na || nd_rs || nd_ra)), action=(outport = "_MC_flood"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=75   , match=(eth.src ==
> > {00:00:00:00:ff:02, 30:54:00:00:00:03} && eth.dst == ff:ff:ff:ff:ff:ff &&
> > (arp.op == 1 || rarp.op == 3 || nd_ns)), action=(outport = "_MC_flood_l2";
> > output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.10 &&
> > !is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "cr-public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.10 &&
> > is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.100 &&
> > !is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "cr-public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.100 &&
> > is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110 &&
> > !is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "cr-public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110 &&
> > is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120 &&
> > !is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "cr-public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120 &&
> > is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:ff02 &&
> > !is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "cr-public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:ff02 &&
> > is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.10 &&
> > !is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "cr-public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.10 &&
> > is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.100 &&
> > !is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "cr-public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.100 &&
> > is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110 &&
> > !is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "cr-public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110 &&
> > is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120 &&
> > !is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "cr-public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120 &&
> > is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:ff02 &&
> > !is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "cr-public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && nd_ns && nd.target == fe80::200:ff:fe00:ff02 &&
> > is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.10 &&
> > is_chassis_resident("cr-public-lr0") && arp.spa == 172.168.0.10),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.100 &&
> > is_chassis_resident("cr-public-lr0") && arp.spa == 172.168.0.100),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110 &&
> > is_chassis_resident("cr-public-lr0") && arp.spa == 172.168.0.110),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120 &&
> > is_chassis_resident("cr-public-lr0") && arp.spa == 172.168.0.120),
> > action=(outport = "_MC_flood_l2"; output;)
> >  ])
> >
> >  AT_CHECK([grep -Fe "172.168.0.110" -e "172.168.0.120" -e "10.0.0.3" -e
> > "20.0.0.3" -e "30:54:00:00:00:03"  -e "sw0-port1" lr0flows |
> > ovn_strip_lflows], [0], [dnl
> > @@ -14570,10 +14616,12 @@ AT_CHECK([grep -Fe "172.168.0.110" -e
> > "172.168.0.120" -e "10.0.0.3" -e "20.0.0.3
> >  AT_CHECK([grep -Fe "172.168.0.110" -e "172.168.0.120" -e "10.0.0.3" -e
> > "20.0.0.3" -e "30:54:00:00:00:03"  -e "sw0-port1" publicflows |
> > ovn_strip_lflows], [0], [dnl
> >    table=??(ls_in_l2_lkup      ), priority=50   , match=(eth.dst ==
> > 30:54:00:00:00:03 && is_chassis_resident("sw0-port1")), action=(outport =
> > "public-lr0"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=75   , match=(eth.src ==
> > {00:00:00:00:ff:02, 30:54:00:00:00:03} && eth.dst == ff:ff:ff:ff:ff:ff &&
> > (arp.op == 1 || rarp.op == 3 || nd_ns)), action=(outport = "_MC_flood_l2";
> > output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110 &&
> > !is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "cr-public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110 &&
> > is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120 &&
> > !is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "cr-public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120 &&
> > is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110 &&
> > !is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "cr-public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110 &&
> > is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120 &&
> > !is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "cr-public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120 &&
> > is_chassis_resident("cr-public-lr0")), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110 &&
> > is_chassis_resident("cr-public-lr0") && arp.spa == 172.168.0.110),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120 &&
> > is_chassis_resident("cr-public-lr0") && arp.spa == 172.168.0.120),
> > action=(outport = "_MC_flood_l2"; output;)
> >  ])
> >  }
> >
> > @@ -14637,8 +14685,10 @@ AT_CHECK([grep -Fe "172.168.0.110" -e
> > "172.168.0.120" -e "10.0.0.3" -e "20.0.0.3
> >  AT_CHECK([grep -Fe "172.168.0.110" -e "172.168.0.120" -e "10.0.0.3" -e
> > "20.0.0.3" -e "30:54:00:00:00:03"  -e "sw0-port1" publicflows |
> > ovn_strip_lflows], [0], [dnl
> >    table=??(ls_in_l2_lkup      ), priority=50   , match=(eth.dst ==
> > 30:54:00:00:00:03 && is_chassis_resident("sw0-port1")), action=(outport =
> > "public-lr0"; output;)
> >    table=??(ls_in_l2_lkup      ), priority=75   , match=(eth.src ==
> > {00:00:00:00:ff:02, 30:54:00:00:00:03} && eth.dst == ff:ff:ff:ff:ff:ff &&
> > (arp.op == 1 || rarp.op == 3 || nd_ns)), action=(outport = "_MC_flood_l2";
> > output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > -  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=80   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120), action=(clone {outport =
> > "public-lr0"; output; }; outport = "_MC_unknown"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.110 && arp.spa == 172.168.0.110),
> > action=(outport = "_MC_flood_l2"; output;)
> > +  table=??(ls_in_l2_lkup      ), priority=90   , match=(flags[[1]] == 0
> > && arp.op == 1 && arp.tpa == 172.168.0.120 && arp.spa == 172.168.0.120),
> > action=(outport = "_MC_flood_l2"; output;)
> >  ])
> >
> >  OVN_CLEANUP_NORTHD
> > diff --git a/tests/ovn.at b/tests/ovn.at
> > index c0ae611bc..e0ab6fa0b 100644
> > --- a/tests/ovn.at
> > +++ b/tests/ovn.at
> > @@ -5192,7 +5192,7 @@ test_ip() {
> >  # SPA and TPA are each 8 hex digits.
> >  test_arp() {
> >      echo "$@"
> > -    local inport=$1 sha=$2 spa=$3 tpa=$4 reply_ha=$5
> > +    local inport=$1 sha=$2 spa=$3 tpa=$4 rip=$5 reply_ha=$6
> >      local request=$(fmt_pkt "Ether(dst='ff:ff:ff:ff:ff:ff',
> > src='${sha}')/ \
> >                               ARP(hwsrc='${sha}',
> > hwdst='ff:ff:ff:ff:ff:ff', psrc='${spa}', pdst='${tpa}')")
> >      hv=hv`vif_to_hv $inport`
> > @@ -5206,9 +5206,19 @@ test_arp() {
> >          for k in 1 2 3; do
> >              # 192.168.33.254 is configured to the switch patch port for
> > lrp33,
> >              # so no ARP flooding expected for it.
> > -            if test $i$j$k != $inport && test $tpa != 192.168.33.254; then
> > -                echo $request >> $i$j$k.expected
> > +            if test $i$j$k = $inport; then
> > +                continue
> > +            fi
> > +
> > +            if test $tpa = 192.168.33.254; then
> > +                continue
> >              fi
> > +
> > +            if test $rip = $tpa && test $j$k != 11; then
> > +                continue
> > +            fi
> > +
> > +            echo $request >> $i$j$k.expected
> >          done
> >      done
> >
> > @@ -5348,9 +5358,9 @@ for i in 1 2 3; do
> >        otherip=192.168.$i$j.55 # Some other IP in subnet
> >        externalip=1.2.3.4      # Some other IP not in subnet
> >
> > -      test_arp $i$j$k $smac $sip        $rip        $rmac      #4
> > -      test_arp $i$j$k $smac $otherip    $rip        $rmac      #5
> > -      test_arp $i$j$k $smac $sip        $otherip               #6
> > +      test_arp $i$j$k $smac $sip        $rip        $rip    $rmac #4
> > +      test_arp $i$j$k $smac $otherip    $rip        $rip    $rmac #5
> > +      test_arp $i$j$k $smac $sip        $otherip    $rip          #6
> >
> >        # When rip is 192.168.33.254, ARP request from externalip won't be
> >        # filtered, because 192.168.33.254 is configured to switch peer port
> > @@ -5359,9 +5369,9 @@ for i in 1 2 3; do
> >        if test $i = 3 && test $j = 3; then
> >          lrp33_rsp=$rmac
> >        fi
> > -      test_arp $i$j$k $smac $externalip $rip        $lrp33_rsp #7
> > +      test_arp $i$j$k $smac $externalip $rip $rip $lrp33_rsp #7
> >
> > -      # MAC binding should be learned from ARP request.
> > +      ## MAC binding should be learned from ARP request.
> >        echo lrp$i$j,$sip,$smac >> mac_bindings.expected
> >
> >        # mac_binding is learned and overwritten so only the last one
> > remains.
> > @@ -27702,18 +27712,6 @@ for var in sw_dp_uuid sw_dp_key sw1_dp_key
> > r1_dp_key r1_tnl_key r2_tnl_key \
> >     echo "$var=$value"
> >  done
> >
> > -as hv1
> > -AT_CAPTURE_FILE([offlows])
> > -OVS_WAIT_FOR_OUTPUT([
> > -    ovs-ofctl dump-flows br-int > offlows
> > -    for match in "$match_send_rtr1" "$match_send_rtr2"; do
> > -        grep -E "$match_arp_req.*$match" offlows | grep -c
> > 'n_packets=[[1-9]]'
> > -    done
> > -    :
> > -], [0], [1
> > -0
> > -])
> > -
> >  # Inject ND_NS for ofirst router owned IP address.
> >  src_ipv6=00100000000000000000000000000254
> >  dst_ipv6=00100000000000000000000000000001
> > --
> > 2.53.0
> >
> > _______________________________________________
> > dev mailing list
> > [email protected]
> > https://mail.openvswitch.org/mailman/listinfo/ovs-dev
> >
> >
> Regards,
> Ales
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