[  153.884772][ T2129] br0: port 1(dummy0) entered blocking state
[  153.885045][ T2129] br0: port 1(dummy0) entered disabled state
[  153.885221][ T2129] dummy0: entered allmulticast mode
[  153.886169][ T2129] dummy0: entered promiscuous mode
[  153.906737][ T2130] br0: port 1(dummy0) entered blocking state
[  153.907006][ T2130] br0: port 1(dummy0) entered forwarding state
[  155.883105][   T12] dummy0: left allmulticast mode
[  155.883364][   T12] dummy0: left promiscuous mode
[  155.883625][   T12] br0: port 1(dummy0) entered disabled state