+ if (r < 0) {
+ log_error("Could not connect to udev: %s", strerror(-r));
+ goto out;
+ }
+
+ r = manager_rtnl_listen(m);
+ if (r < 0) {
+ log_error("Could not connect to rtnl: %s", strerror(-r));
+ goto out;
+ }
+
+ r = manager_bus_listen(m);
+ if (r < 0) {
+ log_error("Could not connect to system bus: %s", strerror(-r));
+ goto out;
+ }
+
+ r = manager_load_config(m);
+ if (r < 0) {
+ log_error("Could not load configuration files: %s", strerror(-r));