@classmethod
def _value_to_status_less(cls, value, check_config, modifier=None):
    """Return an error when the value should be less than threshold."""
    critical, warning = cls.get_thresholds(check_config, modifier)
    if value >= critical:
        return cls.STATUS_CRIT
    elif value >= warning:
        return cls.STATUS_WARN
    else:
        return cls.STATUS_OK
