return err
	}

	if err := mountDevImage(); err != nil {
		return err
	}

	// Kill any hanging debug bridges that might take up port 3222.
	exec.Command("killall", "idevicedebugserverproxy").Run()

	closer, err := startDebugBridge()
	if err != nil {
		return err
	}
	defer closer()

	return runDevice(appdir, bundleID, os.Args[2:])
}