[ 2164.591627][ T6377] br0: port 1(dummy0) entered blocking state
[ 2164.591825][ T6377] br0: port 1(dummy0) entered disabled state
[ 2164.591992][ T6377] dummy0: entered allmulticast mode
[ 2164.593513][ T6377] dummy0: entered promiscuous mode
[ 2164.618265][ T6378] br0: port 1(dummy0) entered blocking state
[ 2164.618452][ T6378] br0: port 1(dummy0) entered forwarding state
[ 2166.745766][   T12] dummy0: left allmulticast mode
[ 2166.745979][   T12] dummy0: left promiscuous mode
[ 2166.746213][   T12] br0: port 1(dummy0) entered disabled state