Create PVC failed with 'CreateFileSystem failed: BadRequest: Access denied for import path.'

When follow the blog:
https://aws.amazon.com/cn/blogs/opensource/optimizing-distributed-deep-learning-performance-amazon-eks/

I came across an issue when creating the PVC with the file documented here:
88e9fe843ac1:eks-deeplearning-tutorial xiaoyzhu$ kubectl describe pvc fsx-claim
Name: fsx-claim
Namespace: default
StorageClass: fsx-sc
Status: Pending
Volume:
Labels:
Annotations: kubectl.kubernetes.io/last-applied-configuration:
{"apiVersion":"v1","kind":"PersistentVolumeClaim","metadata":{"annotations":{},"name":"fsx-claim","namespace":"default"},"spec":{"accessMo...
volume.beta.kubernetes.io/storage-provisioner: fsx.csi.aws.com
Finalizers: [kubernetes.io/pvc-protection]
Capacity:
Access Modes:
VolumeMode: Filesystem
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Warning ProvisioningFailed 10m fsx.csi.aws.com_fsx-csi-controller-0_4878c151-dec0-11e9-be0b-8a3cfe12f6b1 failed to provision volume with StorageClass "fsx-sc": rpc error: code = Internal desc = Could not create volume "pvc-654e797b-e26e-11e9-884f-0ae5ac2bc16c": CreateFileSystem failed: BadRequest: Access denied for import path.
....
Warning ProvisioningFailed 83s fsx.csi.aws.com_fsx-csi-controller-0_4878c151-dec0-11e9-be0b-8a3cfe12f6b1 (combined from similar events): failed to provision volume with StorageClass "fsx-sc": rpc error: code = Internal desc = Could not create volume "pvc-654e797b-e26e-11e9-884f-0ae5ac2bc16c": CreateFileSystem failed: BadRequest: Access denied for import path.
status code: 400, request id: f7e16469-015e-4fb8-97cd-395fb97ce2df
Mounted By:

The worker nodes has already the required privileges recommended in the blog: