[   96.838073][ T2553] br0: port 1(dummy0) entered blocking state
[   96.838304][ T2553] br0: port 1(dummy0) entered disabled state
[   96.838979][ T2553] dummy0: entered allmulticast mode
[   96.839998][ T2553] dummy0: entered promiscuous mode
[   96.862031][ T2554] br0: port 1(dummy0) entered blocking state
[   96.862258][ T2554] br0: port 1(dummy0) entered forwarding state
[   98.777398][   T12] dummy0: left allmulticast mode
[   98.778023][   T12] dummy0: left promiscuous mode
[   98.778271][   T12] br0: port 1(dummy0) entered disabled state