[ 4545.397275] br0: port 1(dummy0) entered blocking state
[ 4545.414707] br0: port 1(dummy0) entered disabled state
[ 4545.418447] device dummy0 entered promiscuous mode
[ 4545.571637] br0: port 1(dummy0) entered blocking state
[ 4545.572832] br0: port 1(dummy0) entered forwarding state
[ 4546.130627] br0: port 1(dummy0) entered disabled state
[ 4546.371414] device dummy0 left promiscuous mode
[ 4546.372575] br0: port 1(dummy0) entered disabled state