[ 1627.791363] br0: port 1(dummy0) entered blocking state
[ 1627.791407] br0: port 1(dummy0) entered disabled state
[ 1627.791435] dummy0: entered allmulticast mode
[ 1627.791491] dummy0: entered promiscuous mode
[ 1627.794243] br0: port 1(dummy0) entered blocking state
[ 1627.794307] br0: port 1(dummy0) entered forwarding state
[ 1627.972143] dummy0: left allmulticast mode
[ 1627.972203] dummy0: left promiscuous mode
[ 1627.972263] br0: port 1(dummy0) entered disabled state