log.Info("configuring host-level iptables rules (healthchecks, etc)")

	iptablesBuilder := builder.NewIptablesRuleBuilder(ipbuildConfig(cfg.cfg))

	// For easier cleanup, insert a jump into an owned chain
	// -A POSTROUTING -p tcp -j ISTIO_POSTRT
	iptablesBuilder.AppendRule(
		iptableslog.UndefinedCommand, iptablesconstants.POSTROUTING, iptablesconstants.NAT,
		"-j", ChainHostPostrouting,
	)