code: def get_port_chann_detail_request(last_aggregator_id):
          
  
          port_channel_ns = 'urn:brocade.com:mgmt:brocade-lag'
          request_port_channel = ET.Element('get-port-channel-detail',
                                            xmlns=port_channel_ns)
  
          if last_aggregator_id != '':
              last_received_port_chann_el = ET.SubElement(request_port_channel,
                                                          "last-aggregator-id")
              last_received_port_chann_el.text = last_aggregator_id
          return request_port_channel
docs: Creates a new Netconf request based on the last received
          aggregator id when the hasMore flag is true