[  686.296284][ T5435] br1: port 1(veth1) entered blocking state
[  686.296511][ T5435] br1: port 1(veth1) entered disabled state
[  686.296708][ T5435] veth1: entered allmulticast mode
[  686.298209][ T5435] veth1: entered promiscuous mode
[  686.329616][ T2740] br1: port 1(veth1) entered blocking state
[  686.329831][ T2740] br1: port 1(veth1) entered forwarding state
[  686.351631][ T5437] br1: port 2(veth2) entered blocking state
[  686.351847][ T5437] br1: port 2(veth2) entered disabled state
[  686.352042][ T5437] veth2: entered allmulticast mode
[  686.353516][ T5437] veth2: entered promiscuous mode
[  686.379256][ T2740] br1: port 2(veth2) entered blocking state
[  686.379459][ T2740] br1: port 2(veth2) entered forwarding state
[  712.718241][ T5617] tc (5617) used greatest stack depth: 23792 bytes left
[  719.748093][ T5668] br1: port 1(veth1) entered disabled state
[  719.774352][ T5669] br1: port 2(veth2) entered disabled state
[  719.802440][ T5670] veth2: left allmulticast mode
[  719.802616][ T5670] veth2: left promiscuous mode
[  719.802871][ T5670] br1: port 2(veth2) entered disabled state
[  719.804373][ T5670] veth1: left allmulticast mode
[  719.804532][ T5670] veth1: left promiscuous mode
[  719.804766][ T5670] br1: port 1(veth1) entered disabled state