Hi all,

First of all, let me be clear on the fact that I'm the first who doesn't
want to run a mixed environment :-)

In my ProxMox environment I have the following:

root@pve:~# ip link show dev vmbr1
11: vmbr1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UNKNOWN mode DEFAULT group default qlen 1000
    link/ether 00:1c:c4:47:63:31 brd ff:ff:ff:ff:ff:ff
root@pve:~# ovs-ofctl show vmbr1
OFPT_FEATURES_REPLY (xid=0x2): dpid:0000001cc4476331
n_tables:254, n_buffers:0
capabilities: FLOW_STATS TABLE_STATS PORT_STATS QUEUE_STATS ARP_MATCH_IP
actions: output enqueue set_vlan_vid set_vlan_pcp strip_vlan mod_dl_src
mod_dl_dst mod_nw_src mod_nw_dst mod_nw_tos mod_tp_src mod_tp_dst
 2(sv_z1ad0101): addr:1e:9a:25:9b:22:0a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(sv_z1ad0102): addr:ba:46:f5:b8:4a:63
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(sv_z1ad0103): addr:56:75:a3:a8:f7:89
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(sv_z1ad0104): addr:9e:a9:30:0f:a2:53
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(sv_z1ad4064): addr:26:de:29:e0:8a:12
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 7(enp6s0f0): addr:00:1c:c4:47:63:31
     config:     0
     state:      0
     current:    1GB-FD COPPER AUTO_NEG
     advertised: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
     supported:  10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
     speed: 1000 Mbps now, 1000 Mbps max
 8(enp7s0f0): addr:00:1c:c4:47:63:33
     config:     0
     state:      0
     current:    1GB-FD COPPER AUTO_NEG
     advertised: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
     supported:  10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
     speed: 1000 Mbps now, 1000 Mbps max
 9(bond0): addr:0a:aa:d5:40:6d:9a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(vmbr1): addr:00:1c:c4:47:63:31
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
OFPT_GET_CONFIG_REPLY (xid=0x4): frags=normal miss_send_len=0
root@pve:~# ovs-vsctl --version
ovs-vsctl (Open vSwitch) 2.15.0
DB Schema 8.2.0

Is there any significant information in the ovs-dpctl output to see where
the problem might be?
Or what other command may I use to spot the issue?

What surprises me is that two ports of the bridge vmbr1 have ovs-system as
master that is in DOWN state.

root@pve:~# ip link show dev enp6s0f0
4: enp6s0f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
master ovs-system state UP mode DEFAULT group default qlen 1000
    link/ether 00:1c:c4:47:63:31 brd ff:ff:ff:ff:ff:ff
root@pve:~# ip link show dev enp7s0f0
6: enp7s0f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
master ovs-system state UP mode DEFAULT group default qlen 1000
    link/ether 00:1c:c4:47:63:33 brd ff:ff:ff:ff:ff:ff
root@pve:~# ip link show dev ovs-system
8: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode
DEFAULT group default qlen 1000
    link/ether f6:c6:45:e5:39:98 brd ff:ff:ff:ff:ff:ff

Alex
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