[ 1695.479350] br0: port 1(dummy0) entered blocking state
[ 1695.479392] br0: port 1(dummy0) entered disabled state
[ 1695.479425] dummy0: entered allmulticast mode
[ 1695.479485] dummy0: entered promiscuous mode
[ 1695.482193] br0: port 1(dummy0) entered blocking state
[ 1695.482261] br0: port 1(dummy0) entered forwarding state
[ 1695.681662] dummy0: left allmulticast mode
[ 1695.681700] dummy0: left promiscuous mode
[ 1695.681737] br0: port 1(dummy0) entered disabled state