[ 1613.643915] br0: port 1(dummy0) entered blocking state
[ 1613.643983] br0: port 1(dummy0) entered disabled state
[ 1613.644038] dummy0: entered allmulticast mode
[ 1613.644115] dummy0: entered promiscuous mode
[ 1613.646817] br0: port 1(dummy0) entered blocking state
[ 1613.646837] br0: port 1(dummy0) entered forwarding state
[ 1613.839117] dummy0: left allmulticast mode
[ 1613.839148] dummy0: left promiscuous mode
[ 1613.839170] br0: port 1(dummy0) entered disabled state