[ 1975.405604][T30524] br0: port 1(dummy0) entered blocking state
[ 1975.405807][T30524] br0: port 1(dummy0) entered disabled state
[ 1975.405977][T30524] dummy0: entered allmulticast mode
[ 1975.406848][T30524] dummy0: entered promiscuous mode
[ 1975.431743][T30525] br0: port 1(dummy0) entered blocking state
[ 1975.432290][T30525] br0: port 1(dummy0) entered forwarding state
[ 1977.468061][   T67] dummy0: left allmulticast mode
[ 1977.468796][   T67] dummy0: left promiscuous mode
[ 1977.469062][   T67] br0: port 1(dummy0) entered disabled state