[ 1766.387925] br0: port 1(dummy0) entered blocking state
[ 1766.387997] br0: port 1(dummy0) entered disabled state
[ 1766.388061] dummy0: entered allmulticast mode
[ 1766.388153] dummy0: entered promiscuous mode
[ 1766.390629] br0: port 1(dummy0) entered blocking state
[ 1766.390663] br0: port 1(dummy0) entered forwarding state
[ 1766.579738] dummy0: left allmulticast mode
[ 1766.579782] dummy0: left promiscuous mode
[ 1766.579843] br0: port 1(dummy0) entered disabled state