[ 2167.090119][T24152] br0: port 1(dummy0) entered blocking state
[ 2167.090312][T24152] br0: port 1(dummy0) entered disabled state
[ 2167.090479][T24152] dummy0: entered allmulticast mode
[ 2167.092196][T24152] dummy0: entered promiscuous mode
[ 2167.114755][T24153] br0: port 1(dummy0) entered blocking state
[ 2167.115061][T24153] br0: port 1(dummy0) entered forwarding state
[ 2169.120161][   T67] dummy0: left allmulticast mode
[ 2169.121084][   T67] dummy0: left promiscuous mode
[ 2169.121320][   T67] br0: port 1(dummy0) entered disabled state