docs: def transport_meta_data(self):
          """Pull out the transport metadata for each packet in the input_stream"""
  
          # For each packet in the pcap process the contents
          for item in self.input_stream:
  
              # Get the transport data and type
              trans_data = item['packet']['data']
              trans_type = self._get_transport_type(trans_data)
              if trans_type and trans_data:
                  item['transport'] = data_utils.make_dict(trans_data)
                  item['transport']['type'] = trans_type
                  item['transport']['flags'] = self._readable_flags(item['transport'])
                  item['transport']['data'] = trans_data['data']
  
              # All done
              yield item