bus: use bus_log_connect_error to print error message

src/machine/machinectl.c

@@ -2897,7 +2897,7 @@ static int run(int argc, char *argv[]) {
 
         r = bus_connect_transport(arg_transport, arg_host, false, &bus);
         if (r < 0)
-                return log_error_errno(r, "Failed to create bus connection: %m");
+                return bus_log_connect_error(r);
 
         (void) sd_bus_set_allow_interactive_authorization(bus, arg_ask_password);