nfs-provisioner cannot create volumes

[curx]

Hi,

No volumes can be successfully created after deployment of the nfs-provider example.

(...)
... I0222 17:47:28.036250 1 controller.go:407] Starting provisioner controller eb968de5-36c9-11e9-8af5-9ee6f721e4ce!
... E0222 17:47:28.038121 1 reflector.go:201] github.com/kubernetes-incubator/external-storage/lib/controller/controller.go:411: Failed to list *v1.PersistentVolumeClaim: persistentvolumeclaims is forbidden: User "system:serviceaccount:nfs-client-provisioner:default" cannot list persistentvolumeclaims at the cluster scope
... E0222 17:47:28.038660 1 reflector.go:201] github.com/kubernetes-incubator/external-storage/lib/controller/controller.go:384: Failed to list *v1.StorageClass: storageclasses.storage.k8s.io is forbidden: User "system:serviceaccount:nfs-client-provisioner:default" cannot list storageclasses.storage.k8s.io at the cluster scope
(...)

Bye,
Thorsten