iptVer, err := ext.DetectIptablesVersion(false)
	if err != nil {
		return nil, err
	}

	log.Debugf("found iptables binary: %+v", iptVer)

	configurator.iptV = iptVer

	ipt6Ver, err := ext.DetectIptablesVersion(true)
	if err != nil {
		return nil, err
	}

	log.Debugf("found iptables v6 binary: %+v", iptVer)

	configurator.ipt6V = ipt6Ver

	return configurator, nil
}

		var found bool
		for _, ss := range setCounts {
			if ss == setDriveCount {
				found = true
			}
		}
		if !found {
			return nil, config.ErrInvalidErasureSetSize(nil).Msg(msg)
		}

		// No automatic symmetry calculation expected, user is on their own
		setSize = setDriveCount
	} else {
		// Returns possible set counts with symmetry.