[ 3268.704392] br0: port 1(dummy0) entered blocking state
[ 3268.705521] br0: port 1(dummy0) entered disabled state
[ 3268.707199] device dummy0 entered promiscuous mode
[ 3268.791276] br0: port 1(dummy0) entered blocking state
[ 3268.792249] br0: port 1(dummy0) entered forwarding state
[ 3269.080949] br0: port 1(dummy0) entered disabled state
[ 3269.209306] device dummy0 left promiscuous mode
[ 3269.210074] br0: port 1(dummy0) entered disabled state