[ovs-git] [ovn-org/ovn] 384672: northd-ddlog: Fix IP family match for DNAT flows.

[Dumitru Ceara]

  Branch: refs/heads/branch-21.06
  Home:   https://github.com/ovn-org/ovn
  Commit: 38467229905bdf09a3afa325eaa7a98183f44c72
      https://github.com/ovn-org/ovn/commit/38467229905bdf09a3afa325eaa7a98183f44c72
  Author: Dumitru Ceara <dceara at redhat.com>
  Date:   2021-07-12 (Mon, 12 Jul 2021)

  Changed paths:
    M northd/ovn_northd.dl
    M tests/system-ovn.at

  Log Message:
  -----------
  northd-ddlog: Fix IP family match for DNAT flows.

This was causing some IPv6 system tests to fail when run with
ovn-northd-ddlog.

Also fix cleanup of the northd process in system-ovn.at.  A few tests
were trying to stop ovn-northd (C version) even when run with
ovn-northd-ddlog.

Signed-off-by: Dumitru Ceara <dceara at redhat.com>
Acked-by: Mark Michelson <mmichels at redhat.com>