Jakub Kicinski [off-list ref] writes:

Only three families use info->userhdr today and going forward
we discourage using fixed headers in new families.
So having the pointer to user header in struct genl_info
is an overkill. Compute the header pointer at runtime.

Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: Jiri Pirko <redacted>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Seems the OVS side didn't change from v2 so still:

Reviewed-by: Aaron Conole <aconole@redhat.com>