[   46.416528][  T819] br0: port 1(dummy0) entered blocking state
[   46.416971][  T819] br0: port 1(dummy0) entered disabled state
[   46.417170][  T819] dummy0: entered allmulticast mode
[   46.418454][  T819] dummy0: entered promiscuous mode
[   46.455036][  T820] br0: port 1(dummy0) entered blocking state
[   46.455339][  T820] br0: port 1(dummy0) entered forwarding state
[   48.667795][   T12] dummy0: left allmulticast mode
[   48.668398][   T12] dummy0: left promiscuous mode
[   48.668776][   T12] br0: port 1(dummy0) entered disabled state