code: def rendezvous_ifaces() -> List[str]:
      # First case is a manual override. For maximum flexibility, this can be a comma-delimited list.
      rendezvous_iface = os.environ.get("DET_SLURM_RENDEZVOUS_IFACE")
  
      # If it doesn't work, fallback to just eth. Rendezvous over eth is fine since horovod will
      # still use DET_INTER_NODE_NETWORK_INTERFACE for everything important, and SSH over IB mostly
      # won't work. On systems where we need this, 'eth' will need to be the proper name.
      if not rendezvous_iface:
          rendezvous_iface = get_eth_interface_name()
  
      # If none of these resolved, we can fall back to something naive.
      if not rendezvous_iface:
          return []
  
      return rendezvous_iface.split(",")
  
imports: import argparse
  import base64
  import io
  import json
  import logging
  import os
  import socket
  import tarfile
  import uuid
  import warnings
  from typing import List, Optional
  import psutil
  import urllib3
  import determined
  import determined.util
  from determined import constants, gpu
  from determined.common import api, util
  from determined.common.api import bindings, certs
label_desc: Use image node_id 6 for calling a global function with example usage: rendezvous_ifaces() and returns: rendezvous_iface, list