[ 1762.663203] br0: port 1(dummy0) entered blocking state
[ 1762.663241] br0: port 1(dummy0) entered disabled state
[ 1762.663274] dummy0: entered allmulticast mode
[ 1762.663326] dummy0: entered promiscuous mode
[ 1762.666960] br0: port 1(dummy0) entered blocking state
[ 1762.667023] br0: port 1(dummy0) entered forwarding state
[ 1762.934178] dummy0: left allmulticast mode
[ 1762.934213] dummy0: left promiscuous mode
[ 1762.934243] br0: port 1(dummy0) entered disabled state