[   47.025004][  T775] br0: port 1(dummy0) entered blocking state
[   47.025296][  T775] br0: port 1(dummy0) entered disabled state
[   47.025552][  T775] dummy0: entered allmulticast mode
[   47.026541][  T775] dummy0: entered promiscuous mode
[   47.047581][  T776] br0: port 1(dummy0) entered blocking state
[   47.047851][  T776] br0: port 1(dummy0) entered forwarding state
[   49.078143][   T68] dummy0: left allmulticast mode
[   49.078397][   T68] dummy0: left promiscuous mode
[   49.078627][   T68] br0: port 1(dummy0) entered disabled state