verifyStatus := func() (bool, error) {
		volumeAttachment, err := c.plugin.volumeAttachmentLister.Get(attachID)
		if err != nil {
			if !apierrors.IsNotFound(err) {
				return false, errors.New(log("detacher.WaitForDetach failed for volume [%s] (will continue to try): %v", volumeHandle, err))
			}

			// Detachment successful.