[ 1945.857437][T13791] br0: port 1(dummy0) entered blocking state
[ 1945.858168][T13791] br0: port 1(dummy0) entered disabled state
[ 1945.858384][T13791] dummy0: entered allmulticast mode
[ 1945.859318][T13791] dummy0: entered promiscuous mode
[ 1945.885192][T13792] br0: port 1(dummy0) entered blocking state
[ 1945.885368][T13792] br0: port 1(dummy0) entered forwarding state
[ 1947.837094][ T4152] dummy0: left allmulticast mode
[ 1947.837275][ T4152] dummy0: left promiscuous mode
[ 1947.838084][ T4152] br0: port 1(dummy0) entered disabled state