[ 2313.351491][T10241] br0: port 1(dummy0) entered blocking state
[ 2313.351689][T10241] br0: port 1(dummy0) entered disabled state
[ 2313.351851][T10241] dummy0: entered allmulticast mode
[ 2313.352726][T10241] dummy0: entered promiscuous mode
[ 2313.378051][T10242] br0: port 1(dummy0) entered blocking state
[ 2313.378226][T10242] br0: port 1(dummy0) entered forwarding state
[ 2315.741711][   T12] dummy0: left allmulticast mode
[ 2315.741949][   T12] dummy0: left promiscuous mode
[ 2315.742216][   T12] br0: port 1(dummy0) entered disabled state