[   65.598550] br0: port 1(dummy0) entered blocking state
[   65.598605] br0: port 1(dummy0) entered disabled state
[   65.598636] dummy0: entered allmulticast mode
[   65.598686] dummy0: entered promiscuous mode
[   65.601205] br0: port 1(dummy0) entered blocking state
[   65.601275] br0: port 1(dummy0) entered forwarding state
[   65.797329] dummy0: left allmulticast mode
[   65.797371] dummy0: left promiscuous mode
[   65.797395] br0: port 1(dummy0) entered disabled state