+ @param is_dvr - Does the route resolve via a DVR interface.
+ @param is_source_lookup - The the path is a deaggregate path (i.e. a lookup
+ in another table) is the lookup on the packet's
+ source address or destination.
+ @param afi - dpo_proto_t protocol that describes the next-hop address
+ @param via_label - The next-hop is a resolved via a local label