fi, err := os.Stat(actualFilePath)
		if err == nil && fi.Mode().IsRegular() {
			return true, nil
		}
		if err != nil && firstErr == nil {
			firstErr = err
		}
	}

	// No go files found in directory.
	return false, firstErr
}

// walk recursively descends path, calling walkFn. Copied, with some
// modifications from path/filepath.walk.

	firstZero, found, err := m.used.AllocateNext()
	if err != nil {
		return 0, 0, err
	}
	if !found {
		return 0, 0, fmt.Errorf("could not find an empty slot to allocate a user namespace")
	}

	klog.V(5).InfoS("new pod user namespace allocation", "podUID", pod)

	firstID = uint32((firstZero + m.off) * userNsLength)
	m.usedBy[pod] = firstID

		var log bytes.Buffer
		buf := make([]byte, 1000)
		var firstErr error
		for {
			n, err := r.Read(buf)
			fmt.Fprintf(&log, "Read(%d) = %d, %v\n", len(buf), n, err)
			if err == nil {
				continue
			}
			if firstErr == nil {
				firstErr = err
				continue
			}
			if !reflect.DeepEqual(err, firstErr) {
				return fmt.Errorf("non-sticky error. got log:\n%s", log.Bytes())
			}

		type goroutineStatus struct {
			running  int
			firstErr error
		}
		statusc := make(chan goroutineStatus, 1)
		statusc <- goroutineStatus{running: len(c.goroutine)}
		for _, fn := range c.goroutine {
			go func(fn func() error) {
				err := fn()

				status := <-statusc
				if status.firstErr == nil {
					status.firstErr = err
				}
				status.running--
				if status.running == 0 {