def get_network_monitor_setup(setup, job):
    """
    Return the proper setup for the network monitor.
    The network monitor is currently setup together with the payload and is start before it. The payload setup should
    therefore be provided. The network monitor setup is prepended to it.

    :param setup: payload setup string.
    :param job: job object.
    :return: network monitor setup string.
    """
    return ''
