[ 1845.697405] br0: port 1(dummy0) entered blocking state
[ 1845.697460] br0: port 1(dummy0) entered disabled state
[ 1845.697491] dummy0: entered allmulticast mode
[ 1845.697528] dummy0: entered promiscuous mode
[ 1845.701972] br0: port 1(dummy0) entered blocking state
[ 1845.702042] br0: port 1(dummy0) entered forwarding state
[ 1845.977029] dummy0: left allmulticast mode
[ 1845.977091] dummy0: left promiscuous mode
[ 1845.977145] br0: port 1(dummy0) entered disabled state