code: def _read_opt_home(self, code, *, desc):
          
          _type = self._read_opt_type(code)
          _size = self._read_unpack(1)
          if _size != 16:
              raise ProtocolError(f'{self.alias}: [Optno {code}] invalid format')
          _addr = self._read_fileng(16)
  
          opt = dict(
              desc=desc,
              type=_type,
              length=_size + 2,
              ip=ipaddress.ip_address(_addr),
          )
  
          return opt
docs: Read HOPOPT Home Address option.
  
          Structure of HOPOPT Home Address option [RFC 6275]:
               0                   1                   2                   3
               0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
                                              +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
                                              |  Option Type  | Option Length |
              +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
              |                                                               |
              +                                                               +
              |                                                               |
              +                          Home Address                         +
              |                                                               |
              +                                                               +
              |                                                               |
              +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  
              Octets      Bits        Name                        Description
                0           0     hopopt.home.type            Option Type
                0           0     hopopt.home.type.value      Option Number
                0           0     hopopt.home.type.action     Action (11)
                0           2     hopopt.home.type.change     Change Flag (0)
                1           8     hopopt.home.length          Length of Option Data
                2          16     hopopt.home.ip              Home Address