docs: def get_host_uuid(self):
          """Request host UUID of the server.
  
          :returns: the host UUID of the server
          :raises: IloConnectionError if failed connecting to the iLO.
          """
          xml = self._request_host()
          root = etree.fromstring(xml)
          data = self._elementtree_to_dict(root)
          return data['HSI']['SPN']['text'], data['HSI']['cUUID']['text']