[ 1111.798623][T29941] br0: port 1(dummy0) entered blocking state
[ 1111.798851][T29941] br0: port 1(dummy0) entered disabled state
[ 1111.799114][T29941] dummy0: entered allmulticast mode
[ 1111.800482][T29941] dummy0: entered promiscuous mode
[ 1111.830867][T29942] br0: port 1(dummy0) entered blocking state
[ 1111.831343][T29942] br0: port 1(dummy0) entered forwarding state
[ 1113.718282][   T12] dummy0: left allmulticast mode
[ 1113.719361][   T12] dummy0: left promiscuous mode
[ 1113.719646][   T12] br0: port 1(dummy0) entered disabled state