[ 1932.420480][T15635] br0: port 1(dummy0) entered blocking state
[ 1932.420680][T15635] br0: port 1(dummy0) entered disabled state
[ 1932.420840][T15635] dummy0: entered allmulticast mode
[ 1932.422443][T15635] dummy0: entered promiscuous mode
[ 1932.452849][T15636] br0: port 1(dummy0) entered blocking state
[ 1932.453212][T15636] br0: port 1(dummy0) entered forwarding state
[ 1934.430172][   T68] dummy0: left allmulticast mode
[ 1934.431212][   T68] dummy0: left promiscuous mode
[ 1934.431444][   T68] br0: port 1(dummy0) entered disabled state