On Wed, Nov 4, 2020 at 12:33 PM Ben Pfaff <b...@ovn.org> wrote: > > This change makes the test much more debuggable: > > - Make it easier to find the particular failing test. > > - Use correct checksums so that the packets can be compared for > equality instead of omitting the checksum field. > > - Factor out packet comparison and produce better error messages on > failure. > > Signed-off-by: Ben Pfaff <b...@ovn.org>
Thanks for the series. Patches 1 to 6 of this series were straightforward. So I applied to the main branch. Thanks Numan > --- > tests/network-functions.at | 18 ++++ > tests/ovn.at | 184 ++++++++++++------------------------- > 2 files changed, 75 insertions(+), 127 deletions(-) > > diff --git a/tests/network-functions.at b/tests/network-functions.at > index a149e9da4c58..c583bc31e881 100644 > --- a/tests/network-functions.at > +++ b/tests/network-functions.at > @@ -52,6 +52,24 @@ test_csum 45000076000000004001c3d90a000003aca80003 0000 > AT_CLEANUP > > OVS_START_SHELL_HELPERS > +# ip4_csum_inplace IP4_HEADER > +# > +# Outputs IP4_HEADER with the checksum filled in properly. > +# The checksum must initially be 0000. IP4_HEADER must be > +# 40 hex digits. > +ip4_csum_inplace() { > + local csum=$(ip_csum $1) > + echo "$1" | sed "s/^\(....................\)..../\1$csum/" > +} > +OVS_END_SHELL_HELPERS > + > +AT_SETUP([ip4_csum_inplace]) > +AT_CHECK([ip4_csum_inplace 450000730000400040110000c0a80001c0a800c7], [0], > + [45000073000040004011b861c0a80001c0a800c7 > +]) > +AT_CLEANUP > + > +OVS_START_SHELL_HELPERS > # ip6_pseudoheader IP6_HEADER NEXT_HEADER PAYLOAD_LEN > # > # where: > diff --git a/tests/ovn.at b/tests/ovn.at > index 4be484051966..5666058d99ca 100644 > --- a/tests/ovn.at > +++ b/tests/ovn.at > @@ -5294,7 +5294,12 @@ sleep 2 > as hv1 ovs-vsctl show > > # This shell function sends a DHCP request packet > -# test_dhcp INPORT SRC_MAC DHCP_TYPE BROADCAST CIADDR OFFER_IP REQUEST_IP > ETH_BOOT USE_IP ... > +# > +# The first argument is just the number of calls to this function so > +# far (1, 2, ...). This is redundant, but it makes it easier to find > +# the failures by searching for the number. > +# > +# test_dhcp PACKET_NUM INPORT SRC_MAC DHCP_TYPE BROADCAST CIADDR OFFER_IP > REQUEST_IP ETH_BOOT USE_IP ... > packet_num=0 > test_dhcp() { > local expect_resume=: > @@ -5308,6 +5313,10 @@ test_dhcp() { > esac > done > > + packet_num=$(expr $packet_num + 1) > + AT_FAIL_IF([test $packet_num != $1]) > + shift > + > local inport=$1 src_mac=$2 dhcp_type=$3 broadcast=$4 ciaddr=$5 > offer_ip=$6 request_ip=$7 eth_boot=$8 use_ip=$9 > shift; shift; shift; shift; shift; shift; shift; shift; shift; > > @@ -5319,7 +5328,6 @@ test_dhcp() { > src_ip=`ip_to_hex 0 0 0 0` > dst_ip=`ip_to_hex 255 255 255 255` > fi > - packet_num=$(expr $packet_num + 1) > > AS_BOX([dhcp test packet $packet_num]) > > @@ -5415,7 +5423,9 @@ test_dhcp() { > ip_len=$(printf "%x" $ip_len) > udp_len=$(printf "%x" $udp_len) > # $ip_len var will be in 3 digits i.e 134. So adding a '0' before > $ip_len > - local > reply=${src_mac}${srv_mac}080045100${ip_len}000000008011XXXX${srv_ip}${reply_dst_ip} > + local reply=${src_mac}${srv_mac}0800 > + local > ip_header=45100${ip_len}0000000080110000${srv_ip}${reply_dst_ip} > + reply=${reply}$(ip4_csum_inplace $ip_header) > # udp header and dhcp header. > # $udp_len var will be in 3 digits. So adding a '0' before $udp_len > > reply=${reply}004300440${udp_len}0000020106006359aa760000${flags}${ciaddr} > @@ -5460,6 +5470,16 @@ test_dhcp() { > fi > } > > +compare_dhcp_packets() { > + received=$($PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv1/vif$1-tx.pcap) > + expected=$(cat $1.expected) > + > + if test "$received" != "$expected"; then > + AT_CHECK_UNQUOTED([echo "$received"; tcpdump_hex "$received"], [0], > + [$(echo "$expected"; tcpdump_hex "$expected")]) > + fi > +} > + > reset_pcap_file() { > local iface=$1 > local pcap_file=$2 > @@ -5481,14 +5501,8 @@ server_ip=`ip_to_hex 10 0 0 1` > ciaddr=`ip_to_hex 0 0 0 0` > request_ip=0 > expected_dhcp_opts=330400000e100104ffffff0003040a00000136040a000001 > -test_dhcp 1 f00000000001 01 0 $ciaddr $offer_ip $request_ip 0 0 ff1000000001 > $server_ip 02 $expected_dhcp_opts > - > -$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv1/vif1-tx.pcap > 1.packets > -cat 1.expected | cut -c -48 > expout > -AT_CHECK([cat 1.packets | cut -c -48], [0], [expout]) > -# Skipping the IPv4 checksum. > -cat 1.expected | cut -c 53- > expout > -AT_CHECK([cat 1.packets | cut -c 53-], [0], [expout]) > +test_dhcp 1 1 f00000000001 01 0 $ciaddr $offer_ip $request_ip 0 0 > ff1000000001 $server_ip 02 $expected_dhcp_opts > +compare_dhcp_packets 1 > > # ---------------------------------------------------------------------- > > @@ -5506,14 +5520,8 @@ server_ip=`ip_to_hex 10 0 0 1` > ciaddr=`ip_to_hex 0 0 0 0` > request_ip=$offer_ip > expected_dhcp_opts=330400000e100104ffffff0003040a00000136040a000001 > -test_dhcp 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 0 ff1000000001 > $server_ip 05 $expected_dhcp_opts > - > -$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap > 2.packets > -cat 2.expected | cut -c -48 > expout > -AT_CHECK([cat 2.packets | cut -c -48], [0], [expout]) > -# Skipping the IPv4 checksum. > -cat 2.expected | cut -c 53- > expout > -AT_CHECK([cat 2.packets | cut -c 53-], [0], [expout]) > +test_dhcp 2 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 0 > ff1000000001 $server_ip 05 $expected_dhcp_opts > +compare_dhcp_packets 2 > > # ---------------------------------------------------------------------- > > @@ -5529,14 +5537,8 @@ server_ip=`ip_to_hex 10 0 0 1` > ciaddr=`ip_to_hex 0 0 0 0` > request_ip=`ip_to_hex 10 0 0 7` > expected_dhcp_opts="" > -test_dhcp 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 0 ff1000000001 > $server_ip 06 $expected_dhcp_opts > - > -$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap > 2.packets > -cat 2.expected | cut -c -48 > expout > -AT_CHECK([cat 2.packets | cut -c -48], [0], [expout]) > -# Skipping the IPv4 checksum. > -cat 2.expected | cut -c 53- > expout > -AT_CHECK([cat 2.packets | cut -c 53-], [0], [expout]) > +test_dhcp 3 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 0 > ff1000000001 $server_ip 06 $expected_dhcp_opts > +compare_dhcp_packets 2 > > # ---------------------------------------------------------------------- > reset_pcap_file hv1-vif1 hv1/vif1 > @@ -5551,7 +5553,7 @@ rm -f 2.expected > ciaddr=`ip_to_hex 0 0 0 0` > offer_ip=0 > request_ip=0 > -test_dhcp 2 f00000000002 09 0 $ciaddr $offer_ip $request_ip 0 0 1 1 > +test_dhcp 4 2 f00000000002 09 0 $ciaddr $offer_ip $request_ip 0 0 1 1 > > # NXT_RESUMEs should be 4. > # vif1-tx.pcap should have received the DHCPv4 (invalid) request packet > @@ -5574,14 +5576,8 @@ request_ip=0 > src_ip=$offer_ip > dst_ip=$server_ip > expected_dhcp_opts=330400000e100104ffffff0003040a00000136040a000001 > -test_dhcp 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 1 $src_ip > $dst_ip ff1000000001 $server_ip 05 $expected_dhcp_opts > - > -$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap > 2.packets > -cat 2.expected | cut -c -48 > expout > -AT_CHECK([cat 2.packets | cut -c -48], [0], [expout]) > -# Skipping the IPv4 checksum. > -cat 2.expected | cut -c 53- > expout > -AT_CHECK([cat 2.packets | cut -c 53-], [0], [expout]) > +test_dhcp 5 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 1 $src_ip > $dst_ip ff1000000001 $server_ip 05 $expected_dhcp_opts > +compare_dhcp_packets 2 > > # ---------------------------------------------------------------------- > > @@ -5599,14 +5595,8 @@ request_ip=0 > src_ip=$offer_ip > dst_ip=`ip_to_hex 255 255 255 255` > expected_dhcp_opts=330400000e100104ffffff0003040a00000136040a000001 > -test_dhcp 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 1 $src_ip > $dst_ip ff1000000001 $server_ip 05 $expected_dhcp_opts > - > -$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap > 2.packets > -cat 2.expected | cut -c -48 > expout > -AT_CHECK([cat 2.packets | cut -c -48], [0], [expout]) > -# Skipping the IPv4 checksum. > -cat 2.expected | cut -c 53- > expout > -AT_CHECK([cat 2.packets | cut -c 53-], [0], [expout]) > +test_dhcp 6 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 1 $src_ip > $dst_ip ff1000000001 $server_ip 05 $expected_dhcp_opts > +compare_dhcp_packets 2 > > # ---------------------------------------------------------------------- > > @@ -5624,14 +5614,8 @@ request_ip=0 > src_ip=$offer_ip > dst_ip=`ip_to_hex 255 255 255 255` > expected_dhcp_opts="" > -test_dhcp 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 1 $src_ip > $dst_ip ff1000000001 $server_ip 06 $expected_dhcp_opts > - > -$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap > 2.packets > -cat 2.expected | cut -c -48 > expout > -AT_CHECK([cat 2.packets | cut -c -48], [0], [expout]) > -# Skipping the IPv4 checksum. > -cat 2.expected | cut -c 53- > expout > -AT_CHECK([cat 2.packets | cut -c 53-], [0], [expout]) > +test_dhcp 7 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 1 $src_ip > $dst_ip ff1000000001 $server_ip 06 $expected_dhcp_opts > +compare_dhcp_packets 2 > > # ---------------------------------------------------------------------- > > @@ -5649,14 +5633,8 @@ request_ip=0 > src_ip=$offer_ip > dst_ip=`ip_to_hex 255 255 255 255` > expected_dhcp_opts="" > -test_dhcp 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 1 $src_ip > $dst_ip ff1000000001 $server_ip 06 $expected_dhcp_opts > - > -$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap > 2.packets > -cat 2.expected | cut -c -48 > expout > -AT_CHECK([cat 2.packets | cut -c -48], [0], [expout]) > -# Skipping the IPv4 checksum. > -cat 2.expected | cut -c 53- > expout > -AT_CHECK([cat 2.packets | cut -c 53-], [0], [expout]) > +test_dhcp 8 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 1 $src_ip > $dst_ip ff1000000001 $server_ip 06 $expected_dhcp_opts > +compare_dhcp_packets 2 > > # ---------------------------------------------------------------------- > > @@ -5670,7 +5648,7 @@ rm -f 2.expected > ciaddr=`ip_to_hex 0 0 0 0` > src_ip=`ip_to_hex 10 0 0 6` > dst_ip=`ip_to_hex 10 0 0 4` > -test_dhcp --no-resume 2 f00000000002 03 0 $ciaddr 0 0 0 1 $src_ip $dst_ip 1 > +test_dhcp --no-resume 9 2 f00000000002 03 0 $ciaddr 0 0 0 1 $src_ip $dst_ip 1 > > # vif1-tx.pcap should have received the DHCPv4 request packet > OVN_CHECK_PACKETS([hv1/vif1-tx.pcap], [1.expected]) > @@ -5688,14 +5666,8 @@ server_ip=`ip_to_hex 10 0 0 1` > ciaddr=`ip_to_hex 0 0 0 0` > request_ip=0 > expected_dhcp_opts=330400000e100104ffffff0003040a00000136040a000001 > -test_dhcp 1 f00000000001 01 1 $ciaddr $offer_ip $request_ip 0 0 ff1000000001 > $server_ip 02 $expected_dhcp_opts > - > -$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv1/vif1-tx.pcap > 1.packets > -cat 1.expected | cut -c -48 > expout > -AT_CHECK([cat 1.packets | cut -c -48], [0], [expout]) > -# Skipping the IPv4 checksum. > -cat 1.expected | cut -c 53- > expout > -AT_CHECK([cat 1.packets | cut -c 53-], [0], [expout]) > +test_dhcp 10 1 f00000000001 01 1 $ciaddr $offer_ip $request_ip 0 0 > ff1000000001 $server_ip 02 $expected_dhcp_opts > +compare_dhcp_packets 1 > > # ---------------------------------------------------------------------- > > @@ -5710,7 +5682,7 @@ server_ip=`ip_to_hex 10 0 0 1` > ciaddr=`ip_to_hex 10 0 0 6` > request_ip=0 > expected_dhcp_opts=0 > -test_dhcp 2 f00000000002 07 0 $ciaddr $offer_ip $request_ip 0 0 ff1000000001 > +test_dhcp 11 2 f00000000002 07 0 $ciaddr $offer_ip $request_ip 0 0 > ff1000000001 > > # There is no reply for this. Check for the INFO log in ovn-controller.log > AT_CHECK([test 1 = $(cat hv1/ovn-controller.log | \ > @@ -5736,14 +5708,8 @@ dst_ip=$server_ip > # In the expected_dhcp_opts we should not see 330400000e10 which is > # dhcp lease time option and 0104ffffff00 which is subnet mask option. > expected_dhcp_opts=03040a00000136040a000001 > -test_dhcp 2 f00000000002 08 0 $ciaddr $offer_ip $request_ip 0 1 $src_ip > $dst_ip ff1000000001 $server_ip 05 $expected_dhcp_opts > - > -$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap > 2.packets > -cat 2.expected | cut -c -48 > expout > -AT_CHECK([cat 2.packets | cut -c -48], [0], [expout]) > -# Skipping the IPv4 checksum. > -cat 2.expected | cut -c 53- > expout > -AT_CHECK([cat 2.packets | cut -c 53-], [0], [expout]) > +test_dhcp 12 2 f00000000002 08 0 $ciaddr $offer_ip $request_ip 0 1 $src_ip > $dst_ip ff1000000001 $server_ip 05 $expected_dhcp_opts > +compare_dhcp_packets 2 > > # Now add the dhcp option T1 to the dhcp options. > check ovn-nbctl --wait=hv set dhcp_options ${d1} options:T1=4000 > @@ -5767,14 +5733,8 @@ dst_ip=$server_ip > # In the expected_dhcp_opts we should not see 330400000e10 which is > # dhcp lease time option. > > expected_dhcp_opts=3a0400000fa0330400000e100104ffffff0003040a00000136040a000001 > -test_dhcp 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 1 $src_ip > $dst_ip ff1000000001 $server_ip 05 $expected_dhcp_opts > - > -$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap > 2.packets > -cat 2.expected | cut -c -48 > expout > -AT_CHECK([cat 2.packets | cut -c -48], [0], [expout]) > -# Skipping the IPv4 checksum. > -cat 2.expected | cut -c 53- > expout > -AT_CHECK([cat 2.packets | cut -c 53-], [0], [expout]) > +test_dhcp 13 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 1 $src_ip > $dst_ip ff1000000001 $server_ip 05 $expected_dhcp_opts > +compare_dhcp_packets 2 > > # ---------------------------------------------------------------------- > > @@ -5793,14 +5753,8 @@ dst_ip=$server_ip > # In the expected_dhcp_opts we should not see 330400000e10 which is > # dhcp lease time option and 0104ffffff00 which is subnet mask option. > expected_dhcp_opts=03040a00000136040a000001 > -test_dhcp 2 f00000000002 08 0 $ciaddr $offer_ip $request_ip 0 1 $src_ip > $dst_ip ff1000000001 $server_ip 05 $expected_dhcp_opts > - > -$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap > 2.packets > -cat 2.expected | cut -c -48 > expout > -AT_CHECK([cat 2.packets | cut -c -48], [0], [expout]) > -# Skipping the IPv4 checksum. > -cat 2.expected | cut -c 53- > expout > -AT_CHECK([cat 2.packets | cut -c 53-], [0], [expout]) > +test_dhcp 14 2 f00000000002 08 0 $ciaddr $offer_ip $request_ip 0 1 $src_ip > $dst_ip ff1000000001 $server_ip 05 $expected_dhcp_opts > +compare_dhcp_packets 2 > > # ---------------------------------------------------------------------- > > @@ -5825,14 +5779,8 @@ server_ip=`ip_to_hex 10 0 0 1` > ciaddr=`ip_to_hex 0 0 0 0` > request_ip=$offer_ip > > expected_dhcp_opts=330400000e100104ffffff0003040a00000136040a00000142040a0a0a0a > -test_dhcp 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 0 ff1000000001 > $server_ip 05 $expected_dhcp_opts > - > -$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap > 2.packets > -cat 2.expected | cut -c -48 > expout > -AT_CHECK([cat 2.packets | cut -c -48], [0], [expout]) > -# Skipping the IPv4 checksum. > -cat 2.expected | cut -c 53- > expout > -AT_CHECK([cat 2.packets | cut -c 53-], [0], [expout]) > +test_dhcp 15 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 0 > ff1000000001 $server_ip 05 $expected_dhcp_opts > +compare_dhcp_packets 2 > > # ---------------------------------------------------------------------- > > @@ -5857,14 +5805,8 @@ server_ip=`ip_to_hex 10 0 0 1` > ciaddr=`ip_to_hex 0 0 0 0` > request_ip=$offer_ip > > expected_dhcp_opts=330400000e100104ffffff0003040a00000136040a0000014210746573745f746674705f736572766572 > -test_dhcp 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 0 ff1000000001 > $server_ip 05 $expected_dhcp_opts > - > -$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap > 2.packets > -cat 2.expected | cut -c -48 > expout > -AT_CHECK([cat 2.packets | cut -c -48], [0], [expout]) > -# Skipping the IPv4 checksum. > -cat 2.expected | cut -c 53- > expout > -AT_CHECK([cat 2.packets | cut -c 53-], [0], [expout]) > +test_dhcp 16 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 0 > ff1000000001 $server_ip 05 $expected_dhcp_opts > +compare_dhcp_packets 2 > > # ---------------------------------------------------------------------- > > @@ -5889,14 +5831,8 @@ server_ip=`ip_to_hex 10 0 0 1` > ciaddr=`ip_to_hex 0 0 0 0` > request_ip=$offer_ip > > expected_dhcp_opts=771305746573743103636f6d00057465737432c006330400000e100104ffffff0003040a00000136040a000001 > -test_dhcp 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 0 ff1000000001 > $server_ip 05 $expected_dhcp_opts > - > -$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap > 2.packets > -cat 2.expected | cut -c -48 > expout > -AT_CHECK([cat 2.packets | cut -c -48], [0], [expout]) > -# Skipping the IPv4 checksum. > -cat 2.expected | cut -c 53- > expout > -AT_CHECK([cat 2.packets | cut -c 53-], [0], [expout]) > +test_dhcp 17 2 f00000000002 03 0 $ciaddr $offer_ip $request_ip 0 0 > ff1000000001 $server_ip 05 $expected_dhcp_opts > +compare_dhcp_packets 2 > > # ---------------------------------------------------------------------- > > @@ -5906,7 +5842,7 @@ server_ip=`ip_to_hex 10 0 0 1` > ciaddr=`ip_to_hex 0 0 0 0` > request_ip=0 > expected_dhcp_opts="" > -test_dhcp 1 f00000000001 04 0 $ciaddr $offer_ip $request_ip 0 0 ff1000000001 > $server_ip 02 $expected_dhcp_opts > +test_dhcp 18 1 f00000000001 04 0 $ciaddr $offer_ip $request_ip 0 0 > ff1000000001 $server_ip 02 $expected_dhcp_opts > AT_CHECK([fgrep -iq 'DHCPDECLINE from f0:00:00:00:00:01, 10.0.0.4 > duplicated' hv1/ovn-controller.log], [0], []) > > # Send Etherboot. > @@ -5933,14 +5869,8 @@ ciaddr=`ip_to_hex 0 0 0 0` > request_ip=0 > boofile=4308626f6f7466696c65 > expected_dhcp_opts=${boofile}330400000e100104ffffff0003040a00000136040a000001 > -test_dhcp 1 f00000000001 01 0 $ciaddr $offer_ip $request_ip 1 0 ff1000000001 > $server_ip 02 $expected_dhcp_opts > - > -$PYTHON "$ovs_srcdir/utilities/ovs-pcap.in" hv1/vif1-tx.pcap > 1.packets > -cat 1.expected | cut -c -48 > expout > -AT_CHECK([cat 1.packets | cut -c -48], [0], [expout]) > -# Skipping the IPv4 checksum. > -cat 1.expected | cut -c 53- > expout > -AT_CHECK([cat 1.packets | cut -c 53-], [0], [expout]) > +test_dhcp 19 1 f00000000001 01 0 $ciaddr $offer_ip $request_ip 1 0 > ff1000000001 $server_ip 02 $expected_dhcp_opts > +compare_dhcp_packets 1 > > OVN_CLEANUP([hv1]) > > -- > 2.26.2 > > _______________________________________________ > dev mailing list > d...@openvswitch.org > https://mail.openvswitch.org/mailman/listinfo/ovs-dev > _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev