[ 1943.848594][T31800] br0: port 1(dummy0) entered blocking state
[ 1943.848829][T31800] br0: port 1(dummy0) entered disabled state
[ 1943.849047][T31800] dummy0: entered allmulticast mode
[ 1943.849975][T31800] dummy0: entered promiscuous mode
[ 1943.873434][T31801] br0: port 1(dummy0) entered blocking state
[ 1943.873994][T31801] br0: port 1(dummy0) entered forwarding state
[ 1945.790804][   T12] dummy0: left allmulticast mode
[ 1945.791788][   T12] dummy0: left promiscuous mode
[ 1945.792008][   T12] br0: port 1(dummy0) entered disabled state