[ 1616.212931] br0: port 1(dummy0) entered blocking state
[ 1616.212976] br0: port 1(dummy0) entered disabled state
[ 1616.213009] dummy0: entered allmulticast mode
[ 1616.213057] dummy0: entered promiscuous mode
[ 1616.215845] br0: port 1(dummy0) entered blocking state
[ 1616.215906] br0: port 1(dummy0) entered forwarding state
[ 1616.396833] dummy0: left allmulticast mode
[ 1616.396903] dummy0: left promiscuous mode
[ 1616.396994] br0: port 1(dummy0) entered disabled state