code: def create(cls, name, key_chain_entry):
          
          key_chain_entry = key_chain_entry or []
          json = {'name': name,
                  'ospfv2_key_chain_entry': key_chain_entry}
  
          return ElementCreator(cls, json)
docs: Create a key chain with list of keys
  
          Key_chain_entry format is::
  
              [{'key': 'xxxx', 'key_id': 1-255, 'send_key': True|False}]
  
          :param str name: Name of key chain
          :param list key_chain_entry: list of key chain entries
          :raises CreateElementFailed: create failed with reason
          :return: instance with meta
          :rtype: OSPFKeyChain