for (e = g_hash_table_lookup(s->rrset_by_key, k); e; e = e->by_key_next)
if (flx_interface_match(i, e->interface, e->protocol))
for (e = g_hash_table_lookup(s->rrset_by_key, k); e; e = e->by_key_next)
if (flx_interface_match(i, e->interface, e->protocol))