docs: def in6_getifaddr():
      """
      Returns a list of 3-tuples of the form (addr, scope, iface) where
      'addr' is the address of scope 'scope' associated to the interface
      'ifcace'.
  
      This is the list of all addresses of all interfaces available on
      the system.
      """
      ret = []
      try:
          fdesc = open("/proc/net/if_inet6", "rb")
      except IOError:
          return ret
      for line in fdesc:
          # addr, index, plen, scope, flags, ifname
          tmp = plain_str(line).split()
          addr = scapy.utils6.in6_ptop(
              b':'.join(
                  struct.unpack('4s4s4s4s4s4s4s4s', tmp[0].encode())
              ).decode()
          )
          # (addr, scope, iface)
          ret.append((addr, int(tmp[3], 16), tmp[5]))
      fdesc.close()
      return ret