def _update_changed_options(self):
        changed = {}
        for key in NonNetworkedParameters.updatables:
            if getattr(self.want, key) is not None:
                attr1 = getattr(self.want, key)
                attr2 = getattr(self.have, key)
                if attr1 != attr2:
                    changed[key] = attr1
        if changed:
            self.changes = NonNetworkedParameters(changed)
            return True
        return False