core@core-01 ~ $ ./kubectl create -f secret.yaml
secrets/test-secret
core@core-01 ~ $ ./kubectl get secrets
NAME          TYPE      DATA
test-secret   Opaque    2
core@core-01 ~ $ ./kubectl create -f secret-
secret-busy.yaml  secret-pod.yaml
core@core-01 ~ $ ./kubectl create -f secret-pod.yaml
pods/secret-test-pod
core@core-01 ~ $ ./kubectl describe pod secret-test-pod
Name:				secret-test-pod
Image(s):			kubernetes/mounttest:0.1
Node:				127.0.0.1/127.0.0.1
Labels:				<none>
Status:				Pending
Reason:
Message:
IP:
Replication Controllers:	<none>
Containers:
  test-container:
    Image:		kubernetes/mounttest:0.1
    State:		Waiting
      Reason:		Image: kubernetes/mounttest:0.1 is ready, container is creating
    Ready:		False
    Restart Count:	0
Conditions:
  Type		Status
  Ready 	False
Events:
  FirstSeen				LastSeen			Count	From			SubobjectPath	Reason		Message
  Tue, 07 Jul 2015 17:48:00 +0000	Tue, 07 Jul 2015 17:48:00 +0000	1	{scheduler }				scheduled	Successfully assigned secret-test-pod to 127.0.0.1
  Tue, 07 Jul 2015 17:48:00 +0000	Tue, 07 Jul 2015 17:48:10 +0000	2	{kubelet 127.0.0.1}			failedMount	Unable to mount volumes for pod "secret-test-pod_default": fork/exec /nsenter: no such file or directory
  Tue, 07 Jul 2015 17:48:00 +0000	Tue, 07 Jul 2015 17:48:10 +0000	2	{kubelet 127.0.0.1}			failedSync	Error syncing pod, skipping: fork/exec /nsenter: no such file or directory