499   def _Neighbour(self, version, is_add, addr, lladdr, dev, state, flags=0):  argument
504     if is_add and lladdr:
505       lladdr = lladdr.split(":")
506       if len(lladdr) != 6:
507         raise ValueError("Invalid lladdr %s" % ":".join(lladdr))
508       lladdr = "".join(chr(int(hexbyte, 16)) for hexbyte in lladdr)
512     if is_add and lladdr:
513       ndmsg += self._NlAttr(NDA_LLADDR, lladdr)
517   def AddNeighbour(self, version, addr, lladdr, dev):  argument
518     self._Neighbour(version, True, addr, lladdr, dev, NUD_PERMANENT)
520   def DelNeighbour(self, version, addr, lladdr, dev):  argument
521     self._Neighbour(version, False, addr, lladdr, dev, 0)
523   def UpdateNeighbour(self, version, addr, lladdr, dev, state):  argument
524     self._Neighbour(version, True, addr, lladdr, dev, state,