def METHOD_NAME(duthosts, enum_rand_one_per_hwsku_frontend_hostname, stop_and_start_lldpmgrd):
    """Checks whether the format of alerting message from Monit is correct or not.
       202012 and newer image version will be skipped for testing since Supervisord
       replaced Monit to do the monitoring critical processes.
    Args:
        duthosts: The fixture returns list of DuTs.
        enum_rand_one_per_hwsku_frontend_hostname: The fixture randomly pick up
        a frontend DuT from testbed.
        disable_lldp: The fixture function stops `lldpmgrd` process before testing
        and restarts `lldpmgrd` process at teardown.
    Returns:
        None.
    """
    duthost = duthosts[enum_rand_one_per_hwsku_frontend_hostname]
    pytest_require("201811" in duthost.os_version or "201911" in duthost.os_version,
                   "Test is not supported for 202012 and newer image versions!")
    logger.info("Checking the format of Monit alerting message ...")
    pytest_assert(wait_until(180, 60, 0, check_monit_last_output, duthost),
                  "Expected Monit reporting message not found")
    logger.info("Checking the format of Monit alerting message was done!")