[  519.664948][T20454] br1: port 1(veth1) entered blocking state
[  519.665174][T20454] br1: port 1(veth1) entered disabled state
[  519.665347][T20454] veth1: entered allmulticast mode
[  519.666734][T20454] veth1: entered promiscuous mode
[  519.695538][T17858] br1: port 1(veth1) entered blocking state
[  519.695728][T17858] br1: port 1(veth1) entered forwarding state
[  519.721502][T20456] br1: port 2(veth2) entered blocking state
[  519.721678][T20456] br1: port 2(veth2) entered disabled state
[  519.721851][T20456] veth2: entered allmulticast mode
[  519.723661][T20456] veth2: entered promiscuous mode
[  519.746494][T17858] br1: port 2(veth2) entered blocking state
[  519.746703][T17858] br1: port 2(veth2) entered forwarding state
[  543.259707][T21079] tc (21079) used greatest stack depth: 24048 bytes left
[  564.607508][T21853] br1: port 2(veth2) entered disabled state
[  564.633418][T21854] veth2: left allmulticast mode
[  564.633608][T21854] veth2: left promiscuous mode
[  564.633874][T21854] br1: port 2(veth2) entered disabled state
[  564.654590][T21855] br1: port 1(veth1) entered disabled state
[  564.682458][T21856] veth1: left allmulticast mode
[  564.682602][T21856] veth1: left promiscuous mode
[  564.682811][T21856] br1: port 1(veth1) entered disabled state