From 92fb17f99e36f37238dfa18d04c160a02734c185 Mon Sep 17 00:00:00 2001
From: Beniamino Galvani <bgalvani@redhat.com>
Date: Wed, 19 Jul 2023 17:37:49 +0200
Subject: [PATCH] ipv6ll: set force-once flag when adding the IPv6 link-local
 address

After the previous commit, this is needed for
53ba9f4701f30b12637df2c7215a0b7da845b34c ('ipv6ll: don't regenerate
the address when it's removed externally') to work properly.
---
 src/core/nm-l3-ipv6ll.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/core/nm-l3-ipv6ll.c b/src/core/nm-l3-ipv6ll.c
index 38aa98fc93..93a0ba4701 100644
--- a/src/core/nm-l3-ipv6ll.c
+++ b/src/core/nm-l3-ipv6ll.c
@@ -420,7 +420,9 @@ _lladdr_handle_changed(NML3IPv6LL *self, gboolean force_commit)
                                 NM_DNS_PRIORITY_DEFAULT_NORMAL,
                                 NM_L3_ACD_DEFEND_TYPE_ALWAYS,
                                 0,
-                                NM_L3CFG_CONFIG_FLAGS_NONE,
+                                /* Even if the address was removed from platform, it must
+                                 * be re-added, hence FORCE_ONCE. */
+                                NM_L3CFG_CONFIG_FLAGS_FORCE_ONCE,
                                 NM_L3_CONFIG_MERGE_FLAGS_NONE))
             changed = TRUE;
     } else {