[ 2624.766365] br0: port 1(dummy0) entered blocking state
[ 2624.766374] br0: port 1(dummy0) entered disabled state
[ 2624.766426] device dummy0 entered promiscuous mode
[ 2624.793161] br0: port 1(dummy0) entered blocking state
[ 2624.793167] br0: port 1(dummy0) entered forwarding state
[ 2624.934983] br0: port 1(dummy0) entered disabled state
[ 2624.976286] device dummy0 left promiscuous mode
[ 2624.976330] br0: port 1(dummy0) entered disabled state