// No need to return NetnsCloser here it will be closed automatically on GC.
// (it may be used in parallel by other parts of the code, so we want it to be used only when not used)
func (p *podNetnsCache) Take(uid string) Netns {
	// lock current pod map
	p.mu.Lock()
	defer p.mu.Unlock()
	if ns, ok := p.currentPodCache[uid]; ok {
		delete(p.currentPodCache, uid)
		// already in cache
		return ns.Netns
	}

			if orArgs.revision == "" && !orArgs.purge {
				return fmt.Errorf("at least one of the --revision or --purge flags must be set")
			}
			if len(args) > 0 {
				return fmt.Errorf("istioctl operator remove does not take arguments")
			}
			return nil
		},
		RunE: func(cmd *cobra.Command, args []string) error {
			client, err := ctx.CLIClient()
			if err != nil {
				return err
			}

		Workload: podToWorkload(pod),
		Netns:    ns,
	}
	netns1 := p.UpsertPodCacheWithNetns(string(pod.UID), wl)
	netnsTaken := p.Take(string(pod.UID))
	if netns1 != netnsTaken {
		t.Fatalf("Expected the original Netns for the same uid, got %p and %p", netns1, ns)
	}
	if nil != p.Take(string(pod.UID)) {
		// expect nil because we already took it
		t.Fatalf("Expected nil Netns for the same uid twice")
	}
}