[  525.038550][ T3884] br1: port 1(veth1) entered blocking state
[  525.038802][ T3884] br1: port 1(veth1) entered disabled state
[  525.039065][ T3884] veth1: entered allmulticast mode
[  525.041570][ T3884] veth1: entered promiscuous mode
[  525.072228][ T2840] br1: port 1(veth1) entered blocking state
[  525.072417][ T2840] br1: port 1(veth1) entered forwarding state
[  551.708561][ T4067] br1: port 1(veth1) entered disabled state
[  551.735839][ T4068] veth1: left allmulticast mode
[  551.736046][ T4068] veth1: left promiscuous mode
[  551.736329][ T4068] br1: port 1(veth1) entered disabled state