[   19.018181][  T327] br0: port 1(dummy0) entered blocking state
[   19.018416][  T327] br0: port 1(dummy0) entered disabled state
[   19.018646][  T327] dummy0: entered allmulticast mode
[   19.019596][  T327] dummy0: entered promiscuous mode
[   19.047879][  T328] br0: port 1(dummy0) entered blocking state
[   19.048142][  T328] br0: port 1(dummy0) entered forwarding state
[   20.943492][   T71] dummy0: left allmulticast mode
[   20.943953][   T71] dummy0: left promiscuous mode
[   20.944207][   T71] br0: port 1(dummy0) entered disabled state