// these sometimes fail due to "Device or resource busy" - again NBD.
		{"-t", iptablesconstants.NAT, "-F", ChainHostPostrouting},
		{"-t", iptablesconstants.NAT, "-X", ChainHostPostrouting},
	}

	// iptablei seems like a reasonable pluralization of iptables
	iptablesVariant := []dep.IptablesVersion{}
	iptablesVariant = append(iptablesVariant, cfg.iptV)

	if cfg.cfg.EnableIPv6 {
		iptablesVariant = append(iptablesVariant, cfg.ipt6V)