[ 3283.645828] br0: port 1(dummy0) entered blocking state
[ 3283.646140] br0: port 1(dummy0) entered disabled state
[ 3283.646581] device dummy0 entered promiscuous mode
[ 3283.728884] br0: port 1(dummy0) entered blocking state
[ 3283.729229] br0: port 1(dummy0) entered forwarding state
[ 3284.044528] br0: port 1(dummy0) entered disabled state
[ 3284.181344] device dummy0 left promiscuous mode
[ 3284.182116] br0: port 1(dummy0) entered disabled state