bgpd: Note when receiving but not understanding a route notification

When BGP has been asked to wait for FIB installation, on route removal a return call is likely to not have the dest since BGP will have cleaned up the node, entirely. Let's just note that the prefix cannot be found if debugs are turned on and move on. Signed-off-by: Donald Sharp <[email protected]>
FRRouting · Mar 28, 2024 · 7c60314 · 7c60314
1 parent d5f17cd
commit 7c60314
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/bgpd/bgp_zebra.c b/bgpd/bgp_zebra.c
@@ -2749,8 +2749,12 @@ static int bgp_zebra_route_notify_owner(int command, struct zclient *zclient,
 	/* Find the bgp route node */
 	dest = bgp_safi_node_lookup(bgp->rib[afi][safi], safi, &p,
 				    &bgp->vrf_prd);
-	if (!dest)
+	if (!dest) {
+		if (BGP_DEBUG(zebra, ZEBRA))
+			zlog_debug("%s: %pFX does not exist in the BGP table, nothing to do for %u",
+				   __func__, &p, note);
 		return -1;
+	}
 
 	switch (note) {
 	case ZAPI_ROUTE_INSTALLED: