[  721.588734][ T3184] br1: port 1(veth1) entered blocking state
[  721.589027][ T3184] br1: port 1(veth1) entered disabled state
[  721.589288][ T3184] veth1: entered allmulticast mode
[  721.592658][ T3184] veth1: entered promiscuous mode
[  721.742945][   T37] br1: port 1(veth1) entered blocking state
[  721.743445][   T37] br1: port 1(veth1) entered forwarding state
[  756.752142][ T3275] br1: port 1(veth1) entered disabled state
[  756.912625][ T3276] veth1: left allmulticast mode
[  756.912848][ T3276] veth1: left promiscuous mode
[  756.913145][ T3276] br1: port 1(veth1) entered disabled state