[ 2084.178907][T31307] br0: port 1(dummy0) entered blocking state
[ 2084.179220][T31307] br0: port 1(dummy0) entered disabled state
[ 2084.179512][T31307] dummy0: entered allmulticast mode
[ 2084.181277][T31307] dummy0: entered promiscuous mode
[ 2084.212811][T31308] br0: port 1(dummy0) entered blocking state
[ 2084.213402][T31308] br0: port 1(dummy0) entered forwarding state
[ 2086.724743][   T68] dummy0: left allmulticast mode
[ 2086.725520][   T68] dummy0: left promiscuous mode
[ 2086.725934][   T68] br0: port 1(dummy0) entered disabled state