[  756.253864][ T4519] br1: port 1(veth1) entered blocking state
[  756.254219][ T4519] br1: port 1(veth1) entered disabled state
[  756.254539][ T4519] veth1: entered allmulticast mode
[  756.257269][ T4519] veth1: entered promiscuous mode
[  756.407877][ T4406] br1: port 1(veth1) entered blocking state
[  756.408312][ T4406] br1: port 1(veth1) entered forwarding state
[  756.540822][ T4521] br1: port 2(veth2) entered blocking state
[  756.541102][ T4521] br1: port 2(veth2) entered disabled state
[  756.541362][ T4521] veth2: entered allmulticast mode
[  756.543232][ T4521] veth2: entered promiscuous mode
[  756.707815][ T4406] br1: port 2(veth2) entered blocking state
[  756.708248][ T4406] br1: port 2(veth2) entered forwarding state
[  880.906897][ T5754] br1: port 2(veth2) entered disabled state
[  881.014899][ T5756] veth2: left allmulticast mode
[  881.015117][ T5756] veth2: left promiscuous mode
[  881.015450][ T5756] br1: port 2(veth2) entered disabled state
[  881.138556][ T5757] br1: port 1(veth1) entered disabled state
[  881.269649][ T5758] veth1: left allmulticast mode
[  881.269972][ T5758] veth1: left promiscuous mode
[  881.270455][ T5758] br1: port 1(veth1) entered disabled state