[ovs-discuss] Question came up while debugging

[Ben Pfaff]

On Sun, May 04, 2014 at 10:38:29AM -0400, Thomas F Herbert wrote:
> When do action attributes get passed via netlink to the Linux kernel
> datapath?  Do they get passed as soon as a rule is asserted or do
> they only get passed when there is a match?

Flows get added to the kernel datapath reactively, in response to
packets that those flows would match being received (in userspace).