Comment 14 for bug 1881558

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Jakub Libosvar (libosvar) wrote : Re: [OVN]IPv6 hot plug tempest tests are failing with OVN backend

This is a bug in core OVN - the ACLs are applied on packets generated by ovn-controller instead of being skipped. The neutron_pg_drop table drops router advertisements. Adding an explicit rule to allow ingress RA makes the test pass.