[ 1624.782324] br0: port 1(dummy0) entered blocking state
[ 1624.782366] br0: port 1(dummy0) entered disabled state
[ 1624.782401] dummy0: entered allmulticast mode
[ 1624.782455] dummy0: entered promiscuous mode
[ 1624.785326] br0: port 1(dummy0) entered blocking state
[ 1624.785395] br0: port 1(dummy0) entered forwarding state
[ 1624.985916] dummy0: left allmulticast mode
[ 1624.986000] dummy0: left promiscuous mode
[ 1624.986065] br0: port 1(dummy0) entered disabled state