[ 1629.675970] br0: port 1(dummy0) entered blocking state
[ 1629.676051] br0: port 1(dummy0) entered disabled state
[ 1629.676122] dummy0: entered allmulticast mode
[ 1629.676228] dummy0: entered promiscuous mode
[ 1629.679031] br0: port 1(dummy0) entered blocking state
[ 1629.679063] br0: port 1(dummy0) entered forwarding state
[ 1629.866132] dummy0: left allmulticast mode
[ 1629.866163] dummy0: left promiscuous mode
[ 1629.866190] br0: port 1(dummy0) entered disabled state