[ 1725.650265] br0: port 1(dummy0) entered blocking state
[ 1725.650314] br0: port 1(dummy0) entered disabled state
[ 1725.650345] dummy0: entered allmulticast mode
[ 1725.650398] dummy0: entered promiscuous mode
[ 1725.652928] br0: port 1(dummy0) entered blocking state
[ 1725.652990] br0: port 1(dummy0) entered forwarding state
[ 1725.827018] dummy0: left allmulticast mode
[ 1725.827056] dummy0: left promiscuous mode
[ 1725.827083] br0: port 1(dummy0) entered disabled state