Comment 16 for bug 1376245

There is an additional patch that hit 3.17 upstream recently. It is marked for stable but had not enough time to come through:

commit 2f3169fb18f4643ac9a6a097a6a6c71f0b2cef75
Author: Fabian Frederick <email address hidden>
Date: Wed Sep 24 18:56:11 2014 +0200

    nfs: fix duplicate proc entries