[   14.360003] br0: port 1(dummy0) entered blocking state
[   14.360073] br0: port 1(dummy0) entered disabled state
[   14.360143] dummy0: entered allmulticast mode
[   14.360225] dummy0: entered promiscuous mode
[   14.362961] br0: port 1(dummy0) entered blocking state
[   14.362994] br0: port 1(dummy0) entered forwarding state
[   14.546719] dummy0: left allmulticast mode
[   14.546747] dummy0: left promiscuous mode
[   14.546773] br0: port 1(dummy0) entered disabled state