[ 1725.489044] br0: port 1(dummy0) entered blocking state
[ 1725.489090] br0: port 1(dummy0) entered disabled state
[ 1725.489126] dummy0: entered allmulticast mode
[ 1725.489179] dummy0: entered promiscuous mode
[ 1725.491622] br0: port 1(dummy0) entered blocking state
[ 1725.491655] br0: port 1(dummy0) entered forwarding state
[ 1725.666608] dummy0: left allmulticast mode
[ 1725.666708] dummy0: left promiscuous mode
[ 1725.666770] br0: port 1(dummy0) entered disabled state