[  167.647224] br0: port 1(dummy0) entered blocking state
[  167.647270] br0: port 1(dummy0) entered disabled state
[  167.647305] dummy0: entered allmulticast mode
[  167.647360] dummy0: entered promiscuous mode
[  167.650599] br0: port 1(dummy0) entered blocking state
[  167.650637] br0: port 1(dummy0) entered forwarding state
[  167.849893] dummy0: left allmulticast mode
[  167.849936] dummy0: left promiscuous mode
[  167.849968] br0: port 1(dummy0) entered disabled state