[   19.429498][  T327] br0: port 1(dummy0) entered blocking state
[   19.429689][  T327] br0: port 1(dummy0) entered disabled state
[   19.429869][  T327] dummy0: entered allmulticast mode
[   19.431147][  T327] dummy0: entered promiscuous mode
[   19.468267][  T328] br0: port 1(dummy0) entered blocking state
[   19.468547][  T328] br0: port 1(dummy0) entered forwarding state
[   21.363727][   T12] dummy0: left allmulticast mode
[   21.364104][   T12] dummy0: left promiscuous mode
[   21.364379][   T12] br0: port 1(dummy0) entered disabled state