diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index deea901746c8..367f1284f05b 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -1396,6 +1396,8 @@ static struct fib6_node *fib6_repair_tree(struct net *net,
 						RT6_TRACE("W %p adjusted by delnode 2, s=%d\n", w, w->state);
 						w->state = w->state >= FWS_C ? FWS_U : FWS_INIT;
 					}
+					if (w->state == FWS_U)
+						pr_warn("fib6_repair_tree: W %p adjusted by delnode 2, state FWS_U\n", w, w->state);
 				}
 			}
 		}
@@ -1447,8 +1449,10 @@ static void fib6_del_route(struct fib6_node *fn, struct rt6_info **rtp,
 		if (w->state == FWS_C && w->leaf == rt) {
 			RT6_TRACE("walker %p adjusted by delroute\n", w);
 			w->leaf = rt->dst.rt6_next;
-			if (!w->leaf)
+			if (!w->leaf) {
+				pr_warn("fib6_del_route: walker %p adjusted by delroute - state FWS_U\n", w);
 				w->state = FWS_U;
+			}
 		}
 	}
 	read_unlock(&net->ipv6.fib6_walker_lock);
@@ -1591,6 +1595,7 @@ static int fib6_walk_continue(struct fib6_walker *w)
 				continue;
 			}
 skip:
+			pr_warn("fib6_walk_continue: set state to FWS_U\n");
 			w->state = FWS_U;
 		case FWS_U:
 			if (fn == w->root)