[ 1725.277121] br0: port 1(dummy0) entered blocking state
[ 1725.277165] br0: port 1(dummy0) entered disabled state
[ 1725.277196] dummy0: entered allmulticast mode
[ 1725.277245] dummy0: entered promiscuous mode
[ 1725.279673] br0: port 1(dummy0) entered blocking state
[ 1725.279733] br0: port 1(dummy0) entered forwarding state
[ 1725.451641] dummy0: left allmulticast mode
[ 1725.451673] dummy0: left promiscuous mode
[ 1725.451753] br0: port 1(dummy0) entered disabled state