code: def _random_getnode():
      """Get a random node ID."""
      # RFC 4122, $4.1.6 says "For systems with no IEEE address, a randomly or
      # pseudo-randomly generated value may be used; see Section 4.5.  The
      # multicast bit must be set in such addresses, in order that they will
      # never conflict with addresses obtained from network cards."
      #
      # The "multicast bit" of a MAC address is defined to be "the least
      # significant bit of the first octet".  This works out to be the 41st bit
      # counting from 1 being the least significant bit, or 1<<40.
      #
      # See https://en.wikipedia.org/wiki/MAC_address#Unicast_vs._multicast
      import random
  
      return random.getrandbits(48) | (1 << 40)
  
imports: import os
  import sys
  from enum import Enum, _simple_enum
label_desc: Use image node_id 16 for calling a global function with example usage: _random_getnode() and returns: unknown