commit 8b78a43ba243df281f2096a84893ad87cb2a79ff
Author: Stephen Xu <stexu@linkedin.com>
Date:   Wed Nov 16 16:07:37 2022 -0500

    [PATCH] ignore route from default table

    Signed-off-by: Stephen Xu <stexu@linkedin.com>

diff --git a/zebra/zebra_fpm.c b/zebra/zebra_fpm.c
index 43958fdfd..de7e246d4 100644
--- a/zebra/zebra_fpm.c
+++ b/zebra/zebra_fpm.c
@@ -25,6 +25,7 @@
 
 #include "log.h"
 #include "libfrr.h"
+#include "rib.h"
 #include "stream.h"
 #include "thread.h"
 #include "network.h"
@@ -1016,8 +1017,15 @@ static int zfpm_build_route_updates(void)
 				else
 					zfpm_g->stats.route_dels++;
 			} else {
-				zlog_err("%s: Encoding Prefix: %pRN No valid nexthops",
-					 __func__, dest->rnode);
+				struct rib_table_info *table_info =
+				    rib_table_info(rib_dest_table(dest));
+				if (table_info && table_info->table_id == RT_TABLE_DEFAULT) {
+					zfpm_debug("%s: Skip encoding default table prefix: %pRN",
+						   __func__, dest->rnode);
+				} else {
+					zlog_err("%s: Encoding Prefix: %pRN No valid nexthops",
+						 __func__, dest->rnode);
+				}
 			}
 		}
 
diff --git a/zebra/zebra_fpm_netlink.c b/zebra/zebra_fpm_netlink.c
--- a/zebra/zebra_fpm_netlink.c
+++ b/zebra/zebra_fpm_netlink.c
@@ -284,6 +284,14 @@ static int netlink_route_info_fill(struct netlink_route_info *ri, int cmd,
 {
 	struct nexthop *nexthop;
 
+    struct rib_table_info *table_info =
+        rib_table_info(rib_dest_table(dest));
+
+    if (table_info->table_id == RT_TABLE_DEFAULT) {
+        zfpm_debug("%s: Discard default table route", __func__);
+        return 0;
+    }
+
 	memset(ri, 0, sizeof(*ri));
 
 	ri->prefix = rib_dest_prefix(dest);
-- 
2.25.1