def detach(self, auth_no_user_interaction=None):
        """Detach the device by e.g. powering down the physical port."""
        return self._assocdrive._M.Drive.PowerOff(
            '(a{sv})',
            filter_opt({
                'auth.no_user_interaction': ('b', auth_no_user_interaction),
            })
        )
Detach the device by e.g. powering down the physical port.