Description of problem:
Customer using AWS EBS is unable to mount StatefulSet PVs in OCP.  Error reports Timeout waiting for mount paths to be created.  Customer states they can log into the AWS console, and see that the EBS volume is provisioned and attached to the instance. 

Version-Release number of selected component (if applicable):
OCP v3.9.31

How reproducible:
Customer verified

Steps to Reproduce:
apiVersion: v1
kind: Service
metadata:
  name: redis-primary06
  labels:
    app: redis-primary06
spec:
  ports:
  - port: 6379
    name: redis-primary06
  selector:
    app: redis-primary06
---
apiVersion: apps/v1beta1
kind: StatefulSet
metadata:
  name: redis-primary06
spec:
  serviceName: redis-primary06
  replicas: 1
  template:
    metadata:
      labels:
        app: redis-primary06
    spec:
      terminationGracePeriodSeconds: 10
      containers:
      - name: redis-primary06
        image: docker-registry.default.svc:5000/stateful/redis-stateful01:latest
        imagePullPolicy: Always
        ports:
        - containerPort: 6379
          name: redis-primary06
        volumeMounts:
        - name: redis-primary06-volume
          mountPath: /data
  volumeClaimTemplates:
  - metadata:
      name: redis-primary06-volume
    spec:
      accessModes: [ "ReadWriteOnce" ]
      resources:
        requests:
          storage: 1Gi

Actual results:
Sep 04 10:32:51 ip-10-244-153-212.us-west-1.compute.internal atomic-openshift-node[3449]: E0904 10:32:51.723461    3449 nestedpendingoperations.go:267] Operation for "\"kubernetes.io/aws-ebs/aws://us-west-1c/vol-0c8071a430837f6d4\"" failed. No retries permitted until 2018-09-04 10:32:52.223433975 -0700 PDT m=+695195.414573422 (durationBeforeRetry 500ms). Error: "MountVolume.WaitForAttach failed for volume \"pvc-09ef0d26-abe6-11e8-b624-06cfff236190\" (UniqueName: \"kubernetes.io/aws-ebs/aws://us-west-1c/vol-0c8071a430837f6d4\") pod \"redis-primary-0\" (UID: \"de0a3822-b066-11e8-8975-06c7af66a254\") : Could not find attached AWS Volume \"aws://us-west-1c/vol-0c8071a430837f6d4\". Timeout waiting for mount paths to be created."
Sep 04 10:32:52 ip-10-244-153-212.us-west-1.compute.internal atomic-openshift-node[3449]: I0904 10:32:52.273439    3449 reconciler.go:262] operationExecutor.MountVolume started for volume "pvc-09ef0d26-abe6-11e8-b624-06cfff236190" (UniqueName: "kubernetes.io/aws-ebs/aws://us-west-1c/vol-0c8071a430837f6d4") pod "redis-primary-0" (UID: "de0a3822-b066-11e8-8975-06c7af66a254")
Sep 04 10:32:52 ip-10-244-153-212.us-west-1.compute.internal atomic-openshift-node[3449]: I0904 10:32:52.273526    3449 operation_generator.go:481] MountVolume.WaitForAttach entering for volume "pvc-09ef0d26-abe6-11e8-b624-06cfff236190" (UniqueName: "kubernetes.io/aws-ebs/aws://us-west-1c/vol-0c8071a430837f6d4") pod "redis-primary-0" (UID: "de0a3822-b066-11e8-8975-06c7af66a254") DevicePath "/dev/xvdcb"

Expected results:
Expected that volume would mount

Master Log:
-sosreport from masters attached

Node Log (of failed PODs):
-Attached

StorageClass Dump (if StorageClass used by PV/PVC):
Default Storage Class ( AWS EBS )
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  annotations:
    storageclass.beta.kubernetes.io/is-default-class: "true"
    storageclass.kubernetes.io/is-default-class: "true"
  creationTimestamp: 2018-07-17T17:28:22Z
  name: gp2
  resourceVersion: "6970653"
  selfLink: /apis/storage.k8s.io/v1/storageclasses/gp2
  uid: ce347ec3-89e6-11e8-b3e6-06c7af66a254
parameters:
  encrypted: "false"
  kmsKeyId: ""
  type: gp2
provisioner: kubernetes.io/aws-ebs
reclaimPolicy: Delete

Additional info:
N/A