who-can returns error in non-existent namespace

[liggitt]

oadm policy who-can get namespaces -n foo --loglevel=8

I1010 15:50:08.218236   29632 round_trippers.go:296] POST https://10.10.10.1:8443/oapi/v1/namespaces/foo/localresourceaccessreviews
I1010 15:50:08.218240   29632 round_trippers.go:303] Request Headers:
I1010 15:50:08.218243   29632 round_trippers.go:306]     Accept: application/json, */*
I1010 15:50:08.218246   29632 round_trippers.go:306]     Content-Type: application/json
I1010 15:50:08.218248   29632 round_trippers.go:306]     User-Agent: oadm/v1.4.0 (darwin/amd64) openshift/f243060
I1010 15:50:08.272564   29632 round_trippers.go:321] Response Status: 500 Internal Server Error in 54 milliseconds
I1010 15:50:08.272589   29632 round_trippers.go:324] Response Headers:
I1010 15:50:08.272596   29632 round_trippers.go:327]     Cache-Control: no-store
I1010 15:50:08.272602   29632 round_trippers.go:327]     Content-Type: application/json
I1010 15:50:08.272608   29632 round_trippers.go:327]     Date: Mon, 10 Oct 2016 19:50:08 GMT
I1010 15:50:08.272614   29632 round_trippers.go:327]     Content-Length: 339
I1010 15:50:08.272662   29632 request.go:908] Response Body: {"kind":"Status","apiVersion":"v1","metadata":{},"status":"Failure","message":"Internal error occurred: [namespace foo does not exist, object does not implement the Object interfaces]","reason":"InternalError","details":{"causes":[{"message":"[namespace foo does not exist, object does not implement the Object interfaces]"}]},"code":500}
I1010 15:50:08.272986   29632 helpers.go:199] server response object: [{
  "kind": "Status",
  "apiVersion": "v1",
  "metadata": {},
  "status": "Failure",
  "message": "Internal error occurred: [namespace foo does not exist, object does not implement the Object interfaces]",
  "reason": "InternalError",
  "details": {
    "causes": [
      {
        "message": "[namespace foo does not exist, object does not implement the Object interfaces]"
      }
    ]
  },
  "code": 500
}]
F1010 15:50:08.273019   29632 helpers.go:115] Error from server: Internal error occurred: [namespace foo does not exist, object does not implement the Object interfaces]