network: do not restart DHCPv4 client on stopping/restarting networkd

Follow-up for fc35a9f8d1 (v255). Fixes #39299.
2025-10-31 17:59:22 +09:00
parent 31c220d8f5
commit b1ba55a8a7
1 changed files with 6 additions and 0 deletions
@@ -1762,8 +1762,14 @@ int dhcp4_start_full(Link *link, bool set_ipv6_connectivity) {
        int r;

        assert(link);
+        assert(link->manager);
        assert(link->network);

+        /* On stopping/restarting networkd, we may drop IPv6 connectivity (which depends on KeepConfiguration=
+         * setting). Do not (re)start DHCPv4 client in that case. See issue #39299. */
+        if (link->manager->state != MANAGER_RUNNING)
+                return 0;
+
        if (!link->dhcp_client)
                return 0;