[ 1653.996676] br0: port 1(dummy0) entered blocking state
[ 1653.996718] br0: port 1(dummy0) entered disabled state
[ 1653.996758] dummy0: entered allmulticast mode
[ 1653.996808] dummy0: entered promiscuous mode
[ 1653.999533] br0: port 1(dummy0) entered blocking state
[ 1653.999563] br0: port 1(dummy0) entered forwarding state
[ 1654.187684] dummy0: left allmulticast mode
[ 1654.187720] dummy0: left promiscuous mode
[ 1654.187758] br0: port 1(dummy0) entered disabled state