docs: def _OSPFv3_LSAGuessPayloadClass(p, **kargs):
      """ Guess the correct OSPFv3 LSA class for a given payload """
  
      cls = conf.raw_layer
  
      if len(p) >= 6:
          typ = struct.unpack("!H", p[2:4])[0]
          clsname = _OSPFv3_LSclasses.get(typ, "Raw")
          cls = globals()[clsname]
  
      return cls(p, **kargs)