p.mu.Lock()
	defer p.mu.Unlock()
	if ns, ok := p.currentPodCache[uid]; ok {
		delete(p.currentPodCache, uid)
		// already in cache
		return ns.Netns
	}

	return nil
}

func openNetnsInRoot(hostMountsPath string) func(nspath string) (NetnsCloser, error) {
	return func(nspath string) (NetnsCloser, error) {
		nspathInContainer := filepath.Join(hostMountsPath, nspath)
		ns, err := OpenNetns(nspathInContainer)