[ 1949.956664][T32142] br0: port 1(dummy0) entered blocking state
[ 1949.956849][T32142] br0: port 1(dummy0) entered disabled state
[ 1949.957023][T32142] dummy0: entered allmulticast mode
[ 1949.957889][T32142] dummy0: entered promiscuous mode
[ 1949.988798][T32143] br0: port 1(dummy0) entered blocking state
[ 1949.988987][T32143] br0: port 1(dummy0) entered forwarding state
[ 1951.913287][   T12] dummy0: left allmulticast mode
[ 1951.913447][   T12] dummy0: left promiscuous mode
[ 1951.913646][   T12] br0: port 1(dummy0) entered disabled state