From beaae1f8d1d958e95117550604aa6462d1a636b8 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: May 06 2021 12:51:08 +0000
Subject: network: neighbor: downgrade log level


As commented in the code, kernel sends messages about neighbors after
a link is removed.

(cherry picked from commit 27a213392f642fdd2a9dbce914bbfda9a72aafc1)

---

diff --git a/src/network/networkd-neighbor.c b/src/network/networkd-neighbor.c
index ef09665..205351c 100644
--- a/src/network/networkd-neighbor.c
+++ b/src/network/networkd-neighbor.c
@@ -500,10 +500,9 @@ int manager_rtnl_process_neighbor(sd_netlink *rtnl, sd_netlink_message *message,
 
         r = link_get(m, ifindex, &link);
         if (r < 0 || !link) {
-                /* when enumerating we might be out of sync, but we will get the neighbor again, so just
-                 * ignore it */
-                if (!m->enumerating)
-                        log_warning("rtnl: received neighbor for link '%d' we don't know about, ignoring.", ifindex);
+                /* when enumerating we might be out of sync, but we will get the neighbor again. Also,
+                 * kernel sends messages about neighbors after a link is removed. So, just ignore it. */
+                log_debug("rtnl: received neighbor for link '%d' we don't know about, ignoring.", ifindex);
                 return 0;
         }