[ 2102.554326][T31733] br0: port 1(dummy0) entered blocking state
[ 2102.554563][T31733] br0: port 1(dummy0) entered disabled state
[ 2102.554781][T31733] dummy0: entered allmulticast mode
[ 2102.555715][T31733] dummy0: entered promiscuous mode
[ 2102.589558][T31734] br0: port 1(dummy0) entered blocking state
[ 2102.589833][T31734] br0: port 1(dummy0) entered forwarding state
[ 2104.567588][   T12] dummy0: left allmulticast mode
[ 2104.568616][   T12] dummy0: left promiscuous mode
[ 2104.568841][   T12] br0: port 1(dummy0) entered disabled state