[ 2009.759989][T19684] br0: port 1(dummy0) entered blocking state
[ 2009.760216][T19684] br0: port 1(dummy0) entered disabled state
[ 2009.760424][T19684] dummy0: entered allmulticast mode
[ 2009.761387][T19684] dummy0: entered promiscuous mode
[ 2009.790938][T19685] br0: port 1(dummy0) entered blocking state
[ 2009.791152][T19685] br0: port 1(dummy0) entered forwarding state
[ 2011.763904][   T12] dummy0: left allmulticast mode
[ 2011.764600][   T12] dummy0: left promiscuous mode
[ 2011.764831][   T12] br0: port 1(dummy0) entered disabled state