// in that case, try finding the netns using procfs.
	if err := s.rescanPod(pod); err != nil {
		log.Errorf("error scanning proc: error was %s", err)
		return nil, err
	}
	// try again. we can still get here if the pod is in the process of being created.
	// in this case the CNI will be invoked soon and provide us with the netns.
	openNetns = s.currentPodSnapshot.Get(string(pod.UID))
	if openNetns == nil {

		{"-t", iptablesconstants.NAT, "-D", iptablesconstants.POSTROUTING, "-j", ChainHostPostrouting},
		// flush-then-delete our created chains
		// 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