[  812.646808][T20452] br1: port 1(veth1) entered blocking state
[  812.648502][T20452] br1: port 1(veth1) entered disabled state
[  812.648762][T20452] veth1: entered allmulticast mode
[  812.650325][T20452] veth1: entered promiscuous mode
[  812.685935][   T37] br1: port 1(veth1) entered blocking state
[  812.686294][   T37] br1: port 1(veth1) entered forwarding state
[  812.708563][T20454] br1: port 2(veth2) entered blocking state
[  812.708797][T20454] br1: port 2(veth2) entered disabled state
[  812.709073][T20454] veth2: entered allmulticast mode
[  812.710641][T20454] veth2: entered promiscuous mode
[  812.737127][   T37] br1: port 2(veth2) entered blocking state
[  812.737367][   T37] br1: port 2(veth2) entered forwarding state
[  843.305647][T21239] tc (21239) used greatest stack depth: 23936 bytes left
[  861.494676][T21848] br1: port 2(veth2) entered disabled state
[  861.513660][T21849] veth2: left allmulticast mode
[  861.513866][T21849] veth2: left promiscuous mode
[  861.514188][T21849] br1: port 2(veth2) entered disabled state
[  861.537322][T21850] br1: port 1(veth1) entered disabled state
[  861.565842][T21851] veth1: left allmulticast mode
[  861.566414][T21851] veth1: left promiscuous mode
[  861.566720][T21851] br1: port 1(veth1) entered disabled state