[ 1625.325276] br0: port 1(dummy0) entered blocking state
[ 1625.325323] br0: port 1(dummy0) entered disabled state
[ 1625.325354] dummy0: entered allmulticast mode
[ 1625.325403] dummy0: entered promiscuous mode
[ 1625.327821] br0: port 1(dummy0) entered blocking state
[ 1625.327857] br0: port 1(dummy0) entered forwarding state
[ 1625.504175] dummy0: left allmulticast mode
[ 1625.504213] dummy0: left promiscuous mode
[ 1625.504243] br0: port 1(dummy0) entered disabled state