[   34.719778][ T1123] br0: port 1(dummy0) entered blocking state
[   34.720073][ T1123] br0: port 1(dummy0) entered disabled state
[   34.720331][ T1123] dummy0: entered allmulticast mode
[   34.721383][ T1123] dummy0: entered promiscuous mode
[   34.750877][ T1124] br0: port 1(dummy0) entered blocking state
[   34.751146][ T1124] br0: port 1(dummy0) entered forwarding state
[   37.087642][   T12] dummy0: left allmulticast mode
[   37.087902][   T12] dummy0: left promiscuous mode
[   37.088175][   T12] br0: port 1(dummy0) entered disabled state