[ 2006.737499][T27226] br0: port 1(dummy0) entered blocking state
[ 2006.738082][T27226] br0: port 1(dummy0) entered disabled state
[ 2006.738249][T27226] dummy0: entered allmulticast mode
[ 2006.739124][T27226] dummy0: entered promiscuous mode
[ 2006.770038][T27227] br0: port 1(dummy0) entered blocking state
[ 2006.770350][T27227] br0: port 1(dummy0) entered forwarding state
[ 2008.797875][   T67] dummy0: left allmulticast mode
[ 2008.798658][   T67] dummy0: left promiscuous mode
[ 2008.798894][   T67] br0: port 1(dummy0) entered disabled state