[ 1651.026002] br0: port 1(dummy0) entered blocking state
[ 1651.026043] br0: port 1(dummy0) entered disabled state
[ 1651.026081] dummy0: entered allmulticast mode
[ 1651.026129] dummy0: entered promiscuous mode
[ 1651.028881] br0: port 1(dummy0) entered blocking state
[ 1651.028944] br0: port 1(dummy0) entered forwarding state
[ 1651.209460] dummy0: left allmulticast mode
[ 1651.209494] dummy0: left promiscuous mode
[ 1651.209526] br0: port 1(dummy0) entered disabled state