[  722.147664][ T3712] br1: port 1(veth1) entered blocking state
[  722.147929][ T3712] br1: port 1(veth1) entered disabled state
[  722.148186][ T3712] veth1: entered allmulticast mode
[  722.150072][ T3712] veth1: entered promiscuous mode
[  722.308128][   T50] br1: port 1(veth1) entered blocking state
[  722.308381][   T50] br1: port 1(veth1) entered forwarding state
[  742.737163][ T3787] br1: port 1(veth1) entered disabled state
[  742.908029][ T3789] veth1: left allmulticast mode
[  742.908252][ T3789] veth1: left promiscuous mode
[  742.908579][ T3789] br1: port 1(veth1) entered disabled state