[ 1962.583691][T23844] br0: port 1(dummy0) entered blocking state
[ 1962.583887][T23844] br0: port 1(dummy0) entered disabled state
[ 1962.584046][T23844] dummy0: entered allmulticast mode
[ 1962.585649][T23844] dummy0: entered promiscuous mode
[ 1962.621820][T23845] br0: port 1(dummy0) entered blocking state
[ 1962.622679][T23845] br0: port 1(dummy0) entered forwarding state
[ 1964.606722][   T12] dummy0: left allmulticast mode
[ 1964.607787][   T12] dummy0: left promiscuous mode
[ 1964.608015][   T12] br0: port 1(dummy0) entered disabled state