server: disable starting information when reloading

src/knot/server/server.c

@@ -573,7 +573,9 @@ int server_conf_hook(const struct conf_t *conf, void *data)
 		return KNOT_EINVAL;
 	}
 
-	log_server_info("Knot DNS %s starting.\n", PACKAGE_VERSION);
+	if (!(server->state & ServerRunning)) {
+		log_server_info("Knot DNS %s starting.\n", PACKAGE_VERSION);
+	}
 
 	/* Estimate number of threads/manager. */
 	int ret = KNOT_EOK;