[ 2003.780294][T28296] br0: port 1(dummy0) entered blocking state
[ 2003.780488][T28296] br0: port 1(dummy0) entered disabled state
[ 2003.780663][T28296] dummy0: entered allmulticast mode
[ 2003.782032][T28296] dummy0: entered promiscuous mode
[ 2003.810392][T28297] br0: port 1(dummy0) entered blocking state
[ 2003.810677][T28297] br0: port 1(dummy0) entered forwarding state
[ 2005.784962][   T12] dummy0: left allmulticast mode
[ 2005.785282][   T12] dummy0: left promiscuous mode
[ 2005.785517][   T12] br0: port 1(dummy0) entered disabled state