[ 1970.571926][T27671] br0: port 1(dummy0) entered blocking state
[ 1970.572149][T27671] br0: port 1(dummy0) entered disabled state
[ 1970.572359][T27671] dummy0: entered allmulticast mode
[ 1970.573652][T27671] dummy0: entered promiscuous mode
[ 1970.608006][T27672] br0: port 1(dummy0) entered blocking state
[ 1970.608255][T27672] br0: port 1(dummy0) entered forwarding state
[ 1972.545203][   T69] dummy0: left allmulticast mode
[ 1972.546107][   T69] dummy0: left promiscuous mode
[ 1972.546335][   T69] br0: port 1(dummy0) entered disabled state