[ 2550.006157] br0: port 1(dummy0) entered blocking state
[ 2550.006846] br0: port 1(dummy0) entered disabled state
[ 2550.008839] device dummy0 entered promiscuous mode
[ 2550.073920] br0: port 1(dummy0) entered blocking state
[ 2550.074604] br0: port 1(dummy0) entered forwarding state
[ 2550.321299] br0: port 1(dummy0) entered disabled state
[ 2550.437413] device dummy0 left promiscuous mode
[ 2550.438075] br0: port 1(dummy0) entered disabled state