[ 1650.196027] br0: port 1(dummy0) entered blocking state
[ 1650.196101] br0: port 1(dummy0) entered disabled state
[ 1650.196170] dummy0: entered allmulticast mode
[ 1650.196272] dummy0: entered promiscuous mode
[ 1650.199685] br0: port 1(dummy0) entered blocking state
[ 1650.199715] br0: port 1(dummy0) entered forwarding state
[ 1650.418347] dummy0: left allmulticast mode
[ 1650.418386] dummy0: left promiscuous mode
[ 1650.418415] br0: port 1(dummy0) entered disabled state