[ 2009.920767][T30589] br0: port 1(dummy0) entered blocking state
[ 2009.920956][T30589] br0: port 1(dummy0) entered disabled state
[ 2009.921117][T30589] dummy0: entered allmulticast mode
[ 2009.921966][T30589] dummy0: entered promiscuous mode
[ 2009.944077][T30590] br0: port 1(dummy0) entered blocking state
[ 2009.944249][T30590] br0: port 1(dummy0) entered forwarding state
[ 2011.881427][   T12] dummy0: left allmulticast mode
[ 2011.882537][   T12] dummy0: left promiscuous mode
[ 2011.882822][   T12] br0: port 1(dummy0) entered disabled state