[  628.831037][T12959] br0: port 1(dummy0) entered blocking state
[  628.831243][T12959] br0: port 1(dummy0) entered disabled state
[  628.831420][T12959] dummy0: entered allmulticast mode
[  628.832423][T12959] dummy0: entered promiscuous mode
[  628.854470][T12960] br0: port 1(dummy0) entered blocking state
[  628.854735][T12960] br0: port 1(dummy0) entered forwarding state
[  630.689941][   T70] dummy0: left allmulticast mode
[  630.690290][   T70] dummy0: left promiscuous mode
[  630.690587][   T70] br0: port 1(dummy0) entered disabled state