[ 1715.951325] br0: port 1(dummy0) entered blocking state
[ 1715.951361] br0: port 1(dummy0) entered disabled state
[ 1715.951387] dummy0: entered allmulticast mode
[ 1715.951434] dummy0: entered promiscuous mode
[ 1715.953634] br0: port 1(dummy0) entered blocking state
[ 1715.953666] br0: port 1(dummy0) entered forwarding state
[ 1716.112845] dummy0: left allmulticast mode
[ 1716.112880] dummy0: left promiscuous mode
[ 1716.112907] br0: port 1(dummy0) entered disabled state