[ 1659.314913] br0: port 1(dummy0) entered blocking state
[ 1659.314948] br0: port 1(dummy0) entered disabled state
[ 1659.314985] dummy0: entered allmulticast mode
[ 1659.315035] dummy0: entered promiscuous mode
[ 1659.317858] br0: port 1(dummy0) entered blocking state
[ 1659.317920] br0: port 1(dummy0) entered forwarding state
[ 1659.497659] dummy0: left allmulticast mode
[ 1659.497692] dummy0: left promiscuous mode
[ 1659.497724] br0: port 1(dummy0) entered disabled state