[   35.649011][  T518] br0: port 1(dummy0) entered blocking state
[   35.649492][  T518] br0: port 1(dummy0) entered disabled state
[   35.649867][  T518] dummy0: entered allmulticast mode
[   35.651052][  T518] dummy0: entered promiscuous mode
[   35.683511][  T519] br0: port 1(dummy0) entered blocking state
[   35.683926][  T519] br0: port 1(dummy0) entered forwarding state
[   38.506645][   T12] dummy0: left allmulticast mode
[   38.507196][   T12] dummy0: left promiscuous mode
[   38.507568][   T12] br0: port 1(dummy0) entered disabled state