[ 1653.382945] br0: port 1(dummy0) entered blocking state
[ 1653.382981] br0: port 1(dummy0) entered disabled state
[ 1653.383015] dummy0: entered allmulticast mode
[ 1653.383066] dummy0: entered promiscuous mode
[ 1653.385884] br0: port 1(dummy0) entered blocking state
[ 1653.385916] br0: port 1(dummy0) entered forwarding state
[ 1653.583865] dummy0: left allmulticast mode
[ 1653.583894] dummy0: left promiscuous mode
[ 1653.583920] br0: port 1(dummy0) entered disabled state