[ 2241.553934][T32420] br0: port 1(dummy0) entered blocking state
[ 2241.554222][T32420] br0: port 1(dummy0) entered disabled state
[ 2241.559884][T32420] dummy0: entered allmulticast mode
[ 2241.560856][T32420] dummy0: entered promiscuous mode
[ 2241.582883][T32421] br0: port 1(dummy0) entered blocking state
[ 2241.583103][T32421] br0: port 1(dummy0) entered forwarding state
[ 2243.500572][   T12] dummy0: left allmulticast mode
[ 2243.500739][   T12] dummy0: left promiscuous mode
[ 2243.500961][   T12] br0: port 1(dummy0) entered disabled state