[ 1725.519383] br0: port 1(dummy0) entered blocking state
[ 1725.519426] br0: port 1(dummy0) entered disabled state
[ 1725.519458] dummy0: entered allmulticast mode
[ 1725.519516] dummy0: entered promiscuous mode
[ 1725.521951] br0: port 1(dummy0) entered blocking state
[ 1725.521984] br0: port 1(dummy0) entered forwarding state
[ 1725.700737] dummy0: left allmulticast mode
[ 1725.700812] dummy0: left promiscuous mode
[ 1725.700870] br0: port 1(dummy0) entered disabled state