[   39.912521][  T775] br0: port 1(dummy0) entered blocking state
[   39.912820][  T775] br0: port 1(dummy0) entered disabled state
[   39.913312][  T775] dummy0: entered allmulticast mode
[   39.914309][  T775] dummy0: entered promiscuous mode
[   39.944591][  T776] br0: port 1(dummy0) entered blocking state
[   39.944840][  T776] br0: port 1(dummy0) entered forwarding state
[   41.784225][   T12] dummy0: left allmulticast mode
[   41.784597][   T12] dummy0: left promiscuous mode
[   41.784846][   T12] br0: port 1(dummy0) entered disabled state