[ 1745.709989] br0: port 1(dummy0) entered blocking state
[ 1745.710077] br0: port 1(dummy0) entered disabled state
[ 1745.710148] dummy0: entered allmulticast mode
[ 1745.710234] dummy0: entered promiscuous mode
[ 1745.714145] br0: port 1(dummy0) entered blocking state
[ 1745.714176] br0: port 1(dummy0) entered forwarding state
[ 1745.985695] dummy0: left allmulticast mode
[ 1745.985730] dummy0: left promiscuous mode
[ 1745.985782] br0: port 1(dummy0) entered disabled state