[ 2282.336594][T31501] br0: port 1(dummy0) entered blocking state
[ 2282.336788][T31501] br0: port 1(dummy0) entered disabled state
[ 2282.336957][T31501] dummy0: entered allmulticast mode
[ 2282.337841][T31501] dummy0: entered promiscuous mode
[ 2282.368164][T31502] br0: port 1(dummy0) entered blocking state
[ 2282.368344][T31502] br0: port 1(dummy0) entered forwarding state
[ 2284.744261][   T67] dummy0: left allmulticast mode
[ 2284.744485][   T67] dummy0: left promiscuous mode
[ 2284.744762][   T67] br0: port 1(dummy0) entered disabled state