diff -uprN systemd-255.orig/src/network/wait-online/manager.c systemd-255/src/network/wait-online/manager.c
--- systemd-255.orig/src/network/wait-online/manager.c	2024-12-10 17:04:34.857160575 +0800
+++ systemd-255/src/network/wait-online/manager.c	2024-12-10 17:05:34.936516554 +0800
@@ -178,7 +178,9 @@ bool manager_configured(Manager *m) {
                 r = manager_link_is_online(m, l,
                                            (LinkOperationalStateRange) { _LINK_OPERSTATE_INVALID,
                                                                          _LINK_OPERSTATE_INVALID });
-                if (r < 0 && !m->any) /* Unlike the above loop, unmanaged interfaces are ignored here. */
+                /* Unlike the above loop, unmanaged interfaces are ignored here. Also, Configured but offline
+                 * interfaces are ignored. See issue #29506. */
+                if (r < 0 && r != -EADDRNOTAVAIL && !m->any)
                         return false;
                 if (r > 0) {
                         if (m->any)