[   69.582553] br0: port 1(dummy0) entered blocking state
[   69.582626] br0: port 1(dummy0) entered disabled state
[   69.582699] dummy0: entered allmulticast mode
[   69.582782] dummy0: entered promiscuous mode
[   69.585547] br0: port 1(dummy0) entered blocking state
[   69.585589] br0: port 1(dummy0) entered forwarding state
[   69.766731] dummy0: left allmulticast mode
[   69.766760] dummy0: left promiscuous mode
[   69.766786] br0: port 1(dummy0) entered disabled state