[ 1695.519521] br0: port 1(dummy0) entered blocking state
[ 1695.519592] br0: port 1(dummy0) entered disabled state
[ 1695.519662] dummy0: entered allmulticast mode
[ 1695.519744] dummy0: entered promiscuous mode
[ 1695.522611] br0: port 1(dummy0) entered blocking state
[ 1695.522673] br0: port 1(dummy0) entered forwarding state
[ 1695.719072] dummy0: left allmulticast mode
[ 1695.719107] dummy0: left promiscuous mode
[ 1695.719165] br0: port 1(dummy0) entered disabled state