docs: def to_phy(self):
          """Convert this to the standard :class:`pyparser.capture.common.PhyInfo`
          class.
          """
          kwargs = {}
          for attr in ['signal', 'noise', 'freq_mhz', 'fcs_error', 'rate', 'mcs',
                       'len', 'caplen', 'epoch_ts', 'end_epoch_ts']:
              kwargs[attr] = getattr(self, attr, None)
          kwargs['has_fcs'] = True
          return PhyInfo(**kwargs)