[ 1946.196618] br0: port 1(dummy0) entered blocking state
[ 1946.196671] br0: port 1(dummy0) entered disabled state
[ 1946.196709] dummy0: entered allmulticast mode
[ 1946.196764] dummy0: entered promiscuous mode
[ 1946.200460] br0: port 1(dummy0) entered blocking state
[ 1946.200504] br0: port 1(dummy0) entered forwarding state
[ 1946.475441] dummy0: left allmulticast mode
[ 1946.475484] dummy0: left promiscuous mode
[ 1946.475516] br0: port 1(dummy0) entered disabled state