[ 1759.601391] br0: port 1(dummy0) entered blocking state
[ 1759.601422] br0: port 1(dummy0) entered disabled state
[ 1759.601442] dummy0: entered allmulticast mode
[ 1759.601477] dummy0: entered promiscuous mode
[ 1759.604688] br0: port 1(dummy0) entered blocking state
[ 1759.604735] br0: port 1(dummy0) entered forwarding state
[ 1759.834729] dummy0: left allmulticast mode
[ 1759.834748] dummy0: left promiscuous mode
[ 1759.834768] br0: port 1(dummy0) entered disabled state