[ 1698.559113] br0: port 1(dummy0) entered blocking state
[ 1698.559191] br0: port 1(dummy0) entered disabled state
[ 1698.559262] dummy0: entered allmulticast mode
[ 1698.559353] dummy0: entered promiscuous mode
[ 1698.562845] br0: port 1(dummy0) entered blocking state
[ 1698.562877] br0: port 1(dummy0) entered forwarding state
[ 1698.791861] dummy0: left allmulticast mode
[ 1698.791904] dummy0: left promiscuous mode
[ 1698.791931] br0: port 1(dummy0) entered disabled state