[  506.410810][ T3907] br1: port 1(veth1) entered blocking state
[  506.411318][ T3907] br1: port 1(veth1) entered disabled state
[  506.411653][ T3907] veth1: entered allmulticast mode
[  506.413257][ T3907] veth1: entered promiscuous mode
[  506.438442][   T39] br1: port 1(veth1) entered blocking state
[  506.438798][   T39] br1: port 1(veth1) entered forwarding state
[  506.464274][ T3909] br1: port 2(veth2) entered blocking state
[  506.464617][ T3909] br1: port 2(veth2) entered disabled state
[  506.464930][ T3909] veth2: entered allmulticast mode
[  506.466662][ T3909] veth2: entered promiscuous mode
[  506.506977][ T2692] br1: port 2(veth2) entered blocking state
[  506.507300][ T2692] br1: port 2(veth2) entered forwarding state
[  542.164290][ T4937] tc (4937) used greatest stack depth: 23792 bytes left
[  555.141132][ T5392] br1: port 2(veth2) entered disabled state
[  555.166523][ T5393] veth2: left allmulticast mode
[  555.166805][ T5393] veth2: left promiscuous mode
[  555.167140][ T5393] br1: port 2(veth2) entered disabled state
[  555.194706][ T5394] br1: port 1(veth1) entered disabled state
[  555.225458][ T5395] veth1: left allmulticast mode
[  555.225947][ T5395] veth1: left promiscuous mode
[  555.226300][ T5395] br1: port 1(veth1) entered disabled state