[ 1653.910347] br0: port 1(dummy0) entered blocking state
[ 1653.910390] br0: port 1(dummy0) entered disabled state
[ 1653.910427] dummy0: entered allmulticast mode
[ 1653.910478] dummy0: entered promiscuous mode
[ 1653.913838] br0: port 1(dummy0) entered blocking state
[ 1653.913870] br0: port 1(dummy0) entered forwarding state
[ 1654.133124] dummy0: left allmulticast mode
[ 1654.133159] dummy0: left promiscuous mode
[ 1654.133195] br0: port 1(dummy0) entered disabled state