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ARP/ND entries for the same address on different interfaces (VPP-848)
[vpp.git] / src / vnet / fib / fib_test.c
diff --git a/src/vnet/fib/fib_test.c b/src/vnet/fib/fib_test.c
index d3bdfa3..06aeda6 100644 (file)
--- a/src/vnet/fib/fib_test.c
+++ b/src/vnet/fib/fib_test.c
@@ -846,7 +846,8 @@ fib_test_v4 (void)
             "Flags set on attached interface");
 
     ai = fib_entry_get_adj(fei);
-    FIB_TEST((FIB_NODE_INDEX_INVALID != ai), "attached interface route adj present");
+    FIB_TEST((FIB_NODE_INDEX_INVALID != ai),
+             "attached interface route adj present %d", ai);
     adj = adj_get(ai);
     FIB_TEST((IP_LOOKUP_NEXT_GLEAN == adj->lookup_next_index),
             "attached interface adj is glean");
@@ -1089,21 +1090,21 @@ fib_test_v4 (void)
     /*
      * add the adj fib
      */
-    fei = fib_table_entry_update_one_path(fib_index,
-                                          &pfx_10_10_10_1_s_32,
-                                          FIB_SOURCE_ADJ,
-                                          FIB_ENTRY_FLAG_ATTACHED,
-                                         FIB_PROTOCOL_IP4,
-                                          &pfx_10_10_10_1_s_32.fp_addr,
-                                          tm->hw[0]->sw_if_index,
-                                          ~0, // invalid fib index
-                                          1,
-                                          NULL,
-                                          FIB_ROUTE_PATH_FLAG_NONE);
+    fei = fib_table_entry_path_add(fib_index,
+                                   &pfx_10_10_10_1_s_32,
+                                   FIB_SOURCE_ADJ,
+                                   FIB_ENTRY_FLAG_ATTACHED,
+                                   FIB_PROTOCOL_IP4,
+                                   &pfx_10_10_10_1_s_32.fp_addr,
+                                   tm->hw[0]->sw_if_index,
+                                   ~0, // invalid fib index
+                                   1,
+                                   NULL,
+                                   FIB_ROUTE_PATH_FLAG_NONE);
     FIB_TEST((FIB_ENTRY_FLAG_ATTACHED  == fib_entry_get_flags(fei)),
             "Flags set on adj-fib");
     ai = fib_entry_get_adj(fei);
-    FIB_TEST((ai_01 == ai), "ADJ-FIB resolves via adj");
+    FIB_TEST((ai_01 == ai), "ADJ-FIB resolves via adj, %d", ai);
 
     fib_table_entry_path_remove(fib_index,
                                 &pfx_11_11_11_11_s_32,
@@ -1138,17 +1139,17 @@ fib_test_v4 (void)
              "adj nbr next-hop ok");
     FIB_TEST((ai_01 != ai_02), "ADJs are different");
 
-    fib_table_entry_update_one_path(fib_index,
-                                   &pfx_10_10_10_2_s_32,
-                                   FIB_SOURCE_ADJ,
-                                   FIB_ENTRY_FLAG_ATTACHED,
-                                   FIB_PROTOCOL_IP4,
-                                   &pfx_10_10_10_2_s_32.fp_addr,
-                                   tm->hw[0]->sw_if_index,
-                                   ~0, // invalid fib index
-                                   1,
-                                   NULL,
-                                   FIB_ROUTE_PATH_FLAG_NONE);
+    fib_table_entry_path_add(fib_index,
+                             &pfx_10_10_10_2_s_32,
+                             FIB_SOURCE_ADJ,
+                             FIB_ENTRY_FLAG_ATTACHED,
+                             FIB_PROTOCOL_IP4,
+                             &pfx_10_10_10_2_s_32.fp_addr,
+                             tm->hw[0]->sw_if_index,
+                             ~0, // invalid fib index
+                             1,
+                             NULL,
+                             FIB_ROUTE_PATH_FLAG_NONE);
 
     fei = fib_table_lookup(fib_index, &pfx_10_10_10_2_s_32);
     ai = fib_entry_get_adj(fei);
@@ -1644,13 +1645,13 @@ fib_test_v4 (void)
            .ip4.as_u32 = clib_host_to_net_u32(0x06060606),
        },
     };
-    fib_test_lb_bucket_t ip_6_6_6_6_o_10_10_10_1 = {
+    fib_test_lb_bucket_t ip_o_10_10_10_1 = {
        .type = FT_LB_ADJ,
        .adj = {
            .adj = ai_01,
        },
     };
-    fib_test_lb_bucket_t ip_6_6_6_6_o_10_10_10_2 = {
+    fib_test_lb_bucket_t ip_o_10_10_10_2 = {
         .type = FT_LB_ADJ,
         .adj = {
             .adj = ai_02,
@@ -1678,7 +1679,7 @@ fib_test_v4 (void)
     FIB_TEST(fib_test_validate_entry(fei,
                                     FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
                                     1,
-                                    &ip_6_6_6_6_o_10_10_10_1),
+                                    &ip_o_10_10_10_1),
             "6.6.6.6/32 via 10.10.10.1");
 
     fib_table_entry_path_add(fib_index,
@@ -1697,70 +1698,70 @@ fib_test_v4 (void)
     FIB_TEST(fib_test_validate_entry(fei,
                                     FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
                                     64,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_1),
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_1),
             "6.6.6.6/32 via 10.10.10.1 and 10.10.10.2 in 63:1 ratio");
 
     fib_table_entry_path_add(fib_index,
@@ -1779,71 +1780,71 @@ fib_test_v4 (void)
     FIB_TEST(fib_test_validate_entry(fei,
                                     FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
                                     128,
-                                    &ip_6_6_6_6_o_10_10_10_1,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
+                                    &ip_o_10_10_10_1,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
                                     &ip_6_6_6_6_o_12_12_12_12,
                                     &ip_6_6_6_6_o_12_12_12_12,
                                     &ip_6_6_6_6_o_12_12_12_12,
@@ -1923,70 +1924,70 @@ fib_test_v4 (void)
     FIB_TEST(fib_test_validate_entry(fei,
                                     FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
                                     64,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_2,
-                                    &ip_6_6_6_6_o_10_10_10_1),
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_2,
+                                    &ip_o_10_10_10_1),
             "6.6.6.6/32 via 10.10.10.1 and 10.10.10.2 in 63:1 ratio");
 
     fib_table_entry_path_remove(fib_index,
@@ -2003,7 +2004,7 @@ fib_test_v4 (void)
     FIB_TEST(fib_test_validate_entry(fei,
                                     FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
                                     1,
-                                    &ip_6_6_6_6_o_10_10_10_1),
+                                    &ip_o_10_10_10_1),
             "6.6.6.6/32 via 10.10.10.1");
 
     fib_table_entry_delete(fib_index, &pfx_6_6_6_6_s_32, FIB_SOURCE_API);
@@ -2976,6 +2977,36 @@ fib_test_v4 (void)
     FIB_TEST((ENBR+7 == fib_entry_pool_size()), "entry pool size is %d",
             fib_entry_pool_size());
 
+    /*
+     * Make the default route recursive via a unknown next-hop. Thus the
+     * next hop's cover would be the default route
+     */
+    fei = fib_table_entry_path_add(fib_index,
+                                  &pfx_0_0_0_0_s_0,
+                                  FIB_SOURCE_API,
+                                  FIB_ENTRY_FLAG_NONE,
+                                  FIB_PROTOCOL_IP4,
+                                  &pfx_23_23_23_23_s_32.fp_addr,
+                                  ~0, // recursive
+                                  fib_index,
+                                  1,
+                                  NULL,
+                                  FIB_ROUTE_PATH_FLAG_NONE);
+    dpo = fib_entry_contribute_ip_forwarding(fei);
+    FIB_TEST(load_balance_is_drop(dpo),
+            "0.0.0.0.0/0 via is DROP");
+    FIB_TEST((fib_entry_get_resolving_interface(fei) == ~0),
+             "no resolving interface for looped 0.0.0.0/0");
+
+    fei = fib_table_lookup_exact_match(fib_index, &pfx_23_23_23_23_s_32);
+    dpo = fib_entry_contribute_ip_forwarding(fei);
+    FIB_TEST(load_balance_is_drop(dpo),
+            "23.23.23.23/32 via is DROP");
+    FIB_TEST((fib_entry_get_resolving_interface(fei) == ~0),
+             "no resolving interface for looped 23.23.23.23/32");
+
+    fib_table_entry_delete(fib_index, &pfx_0_0_0_0_s_0, FIB_SOURCE_API);
+
     /*
      * A recursive route with recursion constraints.
      *  200.200.200.200/32 via 1.1.1.1 is recurse via host constrained
@@ -3778,17 +3809,17 @@ fib_test_v4 (void)
        },
     };
 
-    fib_table_entry_update_one_path(fib_index,
-                                   &pfx_12_10_10_2_s_32,
-                                   FIB_SOURCE_ADJ,
-                                   FIB_ENTRY_FLAG_ATTACHED,
-                                   FIB_PROTOCOL_IP4,
-                                   &pfx_12_10_10_2_s_32.fp_addr,
-                                   tm->hw[0]->sw_if_index,
-                                   ~0, // invalid fib index
-                                   1,
-                                   NULL,
-                                   FIB_ROUTE_PATH_FLAG_NONE);
+    fib_table_entry_path_add(fib_index,
+                             &pfx_12_10_10_2_s_32,
+                             FIB_SOURCE_ADJ,
+                             FIB_ENTRY_FLAG_ATTACHED,
+                             FIB_PROTOCOL_IP4,
+                             &pfx_12_10_10_2_s_32.fp_addr,
+                             tm->hw[0]->sw_if_index,
+                             ~0, // invalid fib index
+                             1,
+                             NULL,
+                             FIB_ROUTE_PATH_FLAG_NONE);
 
     fei = fib_table_lookup_exact_match(fib_index, &pfx_12_10_10_2_s_32);
     dpo = fib_entry_contribute_ip_forwarding(fei);
@@ -3812,17 +3843,17 @@ fib_test_v4 (void)
        },
     };
 
-    fib_table_entry_update_one_path(fib_index,
-                                   &pfx_10_10_10_127_s_32,
-                                   FIB_SOURCE_ADJ,
-                                   FIB_ENTRY_FLAG_ATTACHED,
-                                   FIB_PROTOCOL_IP4,
-                                   &pfx_10_10_10_127_s_32.fp_addr,
-                                   tm->hw[1]->sw_if_index,
-                                   ~0, // invalid fib index
-                                   1,
-                                   NULL,
-                                   FIB_ROUTE_PATH_FLAG_NONE);
+    fib_table_entry_path_add(fib_index,
+                             &pfx_10_10_10_127_s_32,
+                             FIB_SOURCE_ADJ,
+                             FIB_ENTRY_FLAG_ATTACHED,
+                             FIB_PROTOCOL_IP4,
+                             &pfx_10_10_10_127_s_32.fp_addr,
+                             tm->hw[1]->sw_if_index,
+                             ~0, // invalid fib index
+                             1,
+                             NULL,
+                             FIB_ROUTE_PATH_FLAG_NONE);
 
     fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_127_s_32);
     dpo = fib_entry_contribute_ip_forwarding(fei);
@@ -3833,6 +3864,157 @@ fib_test_v4 (void)
                           &pfx_10_10_10_127_s_32,
                           FIB_SOURCE_ADJ);
 
+    /*
+     * add a second path to an adj-fib
+     * this is a sumiluation of another ARP entry created
+     * on an interface on which the connected prefi does not exist.
+     * The second path fails refinement. Expect to forward through the
+     * first.
+     */
+    fib_prefix_t pfx_10_10_10_3_s_32 = {
+        .fp_len = 32,
+        .fp_proto = FIB_PROTOCOL_IP4,
+        .fp_addr = {
+            /* 10.10.10.3 */
+            .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a03),
+        },
+    };
+
+    ai_03 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
+                                VNET_LINK_IP4,
+                                &nh_10_10_10_3,
+                                tm->hw[0]->sw_if_index);
+
+    fib_test_lb_bucket_t ip_o_10_10_10_3 = {
+        .type = FT_LB_ADJ,
+        .adj = {
+            .adj = ai_03,
+        },
+    };
+    fei = fib_table_entry_path_add(fib_index,
+                                   &pfx_10_10_10_3_s_32,
+                                   FIB_SOURCE_ADJ,
+                                   FIB_ENTRY_FLAG_NONE,
+                                   FIB_PROTOCOL_IP4,
+                                   &nh_10_10_10_3,
+                                   tm->hw[0]->sw_if_index,
+                                   fib_index,
+                                   1,
+                                   NULL,
+                                   FIB_ROUTE_PATH_FLAG_NONE);
+    fei = fib_table_entry_path_add(fib_index,
+                                   &pfx_10_10_10_3_s_32,
+                                   FIB_SOURCE_ADJ,
+                                   FIB_ENTRY_FLAG_NONE,
+                                   FIB_PROTOCOL_IP4,
+                                   &nh_12_12_12_12,
+                                   tm->hw[1]->sw_if_index,
+                                   fib_index,
+                                   1,
+                                   NULL,
+                                   FIB_ROUTE_PATH_FLAG_NONE);
+    FIB_TEST(fib_test_validate_entry(fei,
+                                     FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+                                     1,
+                                     &ip_o_10_10_10_3),
+             "10.10.10.3 via 10.10.10.3/Eth0 only");
+
+    /*
+     * remove the path that refines the cover, should go unresolved
+     */
+    fib_table_entry_path_remove(fib_index,
+                                &pfx_10_10_10_3_s_32,
+                                FIB_SOURCE_ADJ,
+                                FIB_PROTOCOL_IP4,
+                                &nh_10_10_10_3,
+                                tm->hw[0]->sw_if_index,
+                                fib_index,
+                                1,
+                                FIB_ROUTE_PATH_FLAG_NONE);
+    dpo = fib_entry_contribute_ip_forwarding(fei);
+    FIB_TEST(!dpo_id_is_valid(dpo),
+             "wrong interface adj-fib fails refinement");
+
+    /*
+     * add back the path that refines the cover
+     */
+    fei = fib_table_entry_path_add(fib_index,
+                                   &pfx_10_10_10_3_s_32,
+                                   FIB_SOURCE_ADJ,
+                                   FIB_ENTRY_FLAG_NONE,
+                                   FIB_PROTOCOL_IP4,
+                                   &nh_10_10_10_3,
+                                   tm->hw[0]->sw_if_index,
+                                   fib_index,
+                                   1,
+                                   NULL,
+                                   FIB_ROUTE_PATH_FLAG_NONE);
+    FIB_TEST(fib_test_validate_entry(fei,
+                                     FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+                                     1,
+                                     &ip_o_10_10_10_3),
+             "10.10.10.3 via 10.10.10.3/Eth0 only");
+
+    /*
+     * remove the path that does not refine the cover
+     */
+    fib_table_entry_path_remove(fib_index,
+                                &pfx_10_10_10_3_s_32,
+                                FIB_SOURCE_ADJ,
+                                FIB_PROTOCOL_IP4,
+                                &nh_12_12_12_12,
+                                tm->hw[1]->sw_if_index,
+                                fib_index,
+                                1,
+                                FIB_ROUTE_PATH_FLAG_NONE);
+    FIB_TEST(fib_test_validate_entry(fei,
+                                     FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+                                     1,
+                                     &ip_o_10_10_10_3),
+             "10.10.10.3 via 10.10.10.3/Eth0 only");
+
+    /*
+     * remove the path that does refine, it's the last path, so
+     * the entry should be gone
+     */
+    fib_table_entry_path_remove(fib_index,
+                                &pfx_10_10_10_3_s_32,
+                                FIB_SOURCE_ADJ,
+                                FIB_PROTOCOL_IP4,
+                                &nh_10_10_10_3,
+                                tm->hw[0]->sw_if_index,
+                                fib_index,
+                                1,
+                                FIB_ROUTE_PATH_FLAG_NONE);
+    fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_3_s_32);
+    FIB_TEST((fei == FIB_NODE_INDEX_INVALID), "10.10.10.3 gone");
+
+    adj_unlock(ai_03);
+
+    /*
+     * change the table's flow-hash config - expect the update to propagete to
+     * the entries' load-balance objects
+     */
+    flow_hash_config_t old_hash_config, new_hash_config;
+
+    old_hash_config = fib_table_get_flow_hash_config(fib_index,
+                                                     FIB_PROTOCOL_IP4);
+    new_hash_config = (IP_FLOW_HASH_SRC_ADDR |
+                       IP_FLOW_HASH_DST_ADDR);
+
+    fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_1_s_32);
+    dpo = fib_entry_contribute_ip_forwarding(fei);
+    lb = load_balance_get(dpo->dpoi_index);
+    FIB_TEST((lb->lb_hash_config == old_hash_config),
+             "Table and LB hash config match: %U",
+             format_ip_flow_hash_config, lb->lb_hash_config);
+
+    fib_table_set_flow_hash_config(fib_index, FIB_PROTOCOL_IP4, new_hash_config);
+
+    FIB_TEST((lb->lb_hash_config == new_hash_config),
+             "Table and LB newhash config match: %U",
+             format_ip_flow_hash_config, lb->lb_hash_config);
+
     /*
      * CLEANUP
      *    remove adj-fibs: 
@@ -4230,17 +4412,17 @@ fib_test_v6 (void)
                                    &adj->sub_type.nbr.next_hop)),
              "adj nbr next-hop ok");
 
-    fib_table_entry_update_one_path(fib_index,
-                                   &pfx_2001_1_2_s_128,
-                                   FIB_SOURCE_ADJ,
-                                   FIB_ENTRY_FLAG_ATTACHED,
-                                   FIB_PROTOCOL_IP6,
-                                   &pfx_2001_1_2_s_128.fp_addr,
-                                   tm->hw[0]->sw_if_index,
-                                   ~0,
-                                   1,
-                                   NULL,
-                                   FIB_ROUTE_PATH_FLAG_NONE);
+    fib_table_entry_path_add(fib_index,
+                             &pfx_2001_1_2_s_128,
+                             FIB_SOURCE_ADJ,
+                             FIB_ENTRY_FLAG_ATTACHED,
+                             FIB_PROTOCOL_IP6,
+                             &pfx_2001_1_2_s_128.fp_addr,
+                             tm->hw[0]->sw_if_index,
+                             ~0,
+                             1,
+                             NULL,
+                             FIB_ROUTE_PATH_FLAG_NONE);
 
     fei = fib_table_lookup(fib_index, &pfx_2001_1_2_s_128);
     ai = fib_entry_get_adj(fei);
@@ -4269,17 +4451,17 @@ fib_test_v6 (void)
              "adj nbr next-hop ok");
     FIB_TEST((ai_01 != ai_02), "ADJs are different");
 
-    fib_table_entry_update_one_path(fib_index,
-                                   &pfx_2001_1_3_s_128,
-                                   FIB_SOURCE_ADJ,
-                                   FIB_ENTRY_FLAG_ATTACHED,
-                                   FIB_PROTOCOL_IP6,
-                                   &pfx_2001_1_3_s_128.fp_addr,
-                                   tm->hw[0]->sw_if_index,
-                                   ~0,
-                                   1,
-                                   NULL,
-                                   FIB_ROUTE_PATH_FLAG_NONE);
+    fib_table_entry_path_add(fib_index,
+                             &pfx_2001_1_3_s_128,
+                             FIB_SOURCE_ADJ,
+                             FIB_ENTRY_FLAG_ATTACHED,
+                             FIB_PROTOCOL_IP6,
+                             &pfx_2001_1_3_s_128.fp_addr,
+                             tm->hw[0]->sw_if_index,
+                             ~0,
+                             1,
+                             NULL,
+                             FIB_ROUTE_PATH_FLAG_NONE);
 
     fei = fib_table_lookup(fib_index, &pfx_2001_1_3_s_128);
     ai = fib_entry_get_adj(fei);
@@ -4904,17 +5086,17 @@ fib_test_ae (void)
     };
     fib_node_index_t ai;
 
-    fib_table_entry_update_one_path(fib_index,
-                                   &pfx_10_10_10_1_s_32,
-                                   FIB_SOURCE_ADJ,
-                                   FIB_ENTRY_FLAG_ATTACHED,
-                                   FIB_PROTOCOL_IP4,
-                                   &pfx_10_10_10_1_s_32.fp_addr,
-                                   tm->hw[0]->sw_if_index,
-                                   ~0, // invalid fib index
-                                   1,
-                                   NULL,
-                                   FIB_ROUTE_PATH_FLAG_NONE);
+    fib_table_entry_path_add(fib_index,
+                             &pfx_10_10_10_1_s_32,
+                             FIB_SOURCE_ADJ,
+                             FIB_ENTRY_FLAG_ATTACHED,
+                             FIB_PROTOCOL_IP4,
+                             &pfx_10_10_10_1_s_32.fp_addr,
+                             tm->hw[0]->sw_if_index,
+                             ~0, // invalid fib index
+                             1,
+                             NULL,
+                             FIB_ROUTE_PATH_FLAG_NONE);
 
     fei = fib_table_lookup(fib_index, &pfx_10_10_10_1_s_32);
     FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib1 created");
@@ -4973,17 +5155,17 @@ fib_test_ae (void)
        },
     };
 
-    fib_table_entry_update_one_path(fib_index,
-                                   &pfx_10_10_10_2_s_32,
-                                   FIB_SOURCE_ADJ,
-                                   FIB_ENTRY_FLAG_ATTACHED,
-                                   FIB_PROTOCOL_IP4,
-                                   &pfx_10_10_10_2_s_32.fp_addr,
-                                   tm->hw[0]->sw_if_index,
-                                   ~0, // invalid fib index
-                                   1,
-                                   NULL,
-                                   FIB_ROUTE_PATH_FLAG_NONE);
+    fib_table_entry_path_add(fib_index,
+                             &pfx_10_10_10_2_s_32,
+                             FIB_SOURCE_ADJ,
+                             FIB_ENTRY_FLAG_ATTACHED,
+                             FIB_PROTOCOL_IP4,
+                             &pfx_10_10_10_2_s_32.fp_addr,
+                             tm->hw[0]->sw_if_index,
+                             ~0, // invalid fib index
+                             1,
+                             NULL,
+                             FIB_ROUTE_PATH_FLAG_NONE);
     fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_2_s_32);
     FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib2 present");
     ai = fib_entry_get_adj(fei);
@@ -5044,17 +5226,17 @@ fib_test_ae (void)
        },
     };
 
-    fib_table_entry_update_one_path(fib_index,
-                                   &pfx_10_10_10_3_s_32,
-                                   FIB_SOURCE_ADJ,
-                                   FIB_ENTRY_FLAG_ATTACHED,
-                                   FIB_PROTOCOL_IP4,
-                                   &pfx_10_10_10_3_s_32.fp_addr,
-                                   tm->hw[0]->sw_if_index,
-                                   ~0, // invalid fib index
-                                   1,
-                                   NULL,
-                                   FIB_ROUTE_PATH_FLAG_NONE);
+    fib_table_entry_path_add(fib_index,
+                             &pfx_10_10_10_3_s_32,
+                             FIB_SOURCE_ADJ,
+                             FIB_ENTRY_FLAG_ATTACHED,
+                             FIB_PROTOCOL_IP4,
+                             &pfx_10_10_10_3_s_32.fp_addr,
+                             tm->hw[0]->sw_if_index,
+                             ~0, // invalid fib index
+                             1,
+                             NULL,
+                             FIB_ROUTE_PATH_FLAG_NONE);
     fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_3_s_32);
     FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib3 present");
     ai = fib_entry_get_adj(fei);
@@ -7091,17 +7273,17 @@ fib_test_bfd (void)
     /*
      * source the entry via the ADJ fib
      */
-    fei = fib_table_entry_update_one_path(0,
-                                          &pfx_10_10_10_1_s_32,
-                                          FIB_SOURCE_ADJ,
-                                          FIB_ENTRY_FLAG_ATTACHED,
-                                          FIB_PROTOCOL_IP4,
-                                          &nh_10_10_10_1,
-                                          tm->hw[0]->sw_if_index,
-                                          ~0, // invalid fib index
-                                          1,
-                                          NULL,
-                                          FIB_ROUTE_PATH_FLAG_NONE);
+    fei = fib_table_entry_path_add(0,
+                                   &pfx_10_10_10_1_s_32,
+                                   FIB_SOURCE_ADJ,
+                                   FIB_ENTRY_FLAG_ATTACHED,
+                                   FIB_PROTOCOL_IP4,
+                                   &nh_10_10_10_1,
+                                   tm->hw[0]->sw_if_index,
+                                   ~0, // invalid fib index
+                                   1,
+                                   NULL,
+                                   FIB_ROUTE_PATH_FLAG_NONE);
 
     /*
      * Delete the BFD session. Expect the fib_entry to remain
@@ -7130,17 +7312,17 @@ fib_test_bfd (void)
         .fp_len = 32,
         .fp_proto = FIB_PROTOCOL_IP4,
     };
-    fib_table_entry_update_one_path(0,
-                                    &pfx_10_10_10_2_s_32,
-                                    FIB_SOURCE_ADJ,
-                                    FIB_ENTRY_FLAG_ATTACHED,
-                                    FIB_PROTOCOL_IP4,
-                                    &nh_10_10_10_2,
-                                    tm->hw[0]->sw_if_index,
-                                    ~0, // invalid fib index
-                                    1,
-                                    NULL,
-                                    FIB_ROUTE_PATH_FLAG_NONE);
+    fib_table_entry_path_add(0,
+                             &pfx_10_10_10_2_s_32,
+                             FIB_SOURCE_ADJ,
+                             FIB_ENTRY_FLAG_ATTACHED,
+                             FIB_PROTOCOL_IP4,
+                             &nh_10_10_10_2,
+                             tm->hw[0]->sw_if_index,
+                             ~0, // invalid fib index
+                             1,
+                             NULL,
+                             FIB_ROUTE_PATH_FLAG_NONE);
     /*
      * A BFD session for the new ADJ FIB
      */
@@ -7162,17 +7344,17 @@ fib_test_bfd (void)
      * then add it back
      */
     fib_table_entry_delete(0, &pfx_10_10_10_2_s_32, FIB_SOURCE_ADJ);
-    fib_table_entry_update_one_path(0,
-                                    &pfx_10_10_10_2_s_32,
-                                    FIB_SOURCE_ADJ,
-                                    FIB_ENTRY_FLAG_ATTACHED,
-                                    FIB_PROTOCOL_IP4,
-                                    &nh_10_10_10_2,
-                                    tm->hw[0]->sw_if_index,
-                                    ~0, // invalid fib index
-                                    1,
-                                    NULL,
-                                    FIB_ROUTE_PATH_FLAG_NONE);
+    fib_table_entry_path_add(0,
+                             &pfx_10_10_10_2_s_32,
+                             FIB_SOURCE_ADJ,
+                             FIB_ENTRY_FLAG_ATTACHED,
+                             FIB_PROTOCOL_IP4,
+                             &nh_10_10_10_2,
+                             tm->hw[0]->sw_if_index,
+                             ~0, // invalid fib index
+                             1,
+                             NULL,
+                             FIB_ROUTE_PATH_FLAG_NONE);
 
     /*
      * Before adding a recursive via the BFD tracked ADJ-FIBs,
Vector Packet Processing