Comment 2 for bug 1714483

Reviewed: https://review.openstack.org/500046
Committed: https://git.openstack.org/cgit/openstack/ceilometer/commit/?id=c49546b43fdb49e4df63f095ffd71e3effa5717e
Submitter: Jenkins
Branch: master

commit c49546b43fdb49e4df63f095ffd71e3effa5717e
Author: gord chung <email address hidden>
Date: Fri Sep 1 13:15:12 2017 +0000

    support new gnocchiclient interface

    support for explicitly setting interface/regoin_name was changed in
    gnocchiclient 3.1 and remove in gnocchiclient 4.

    temporarily cap gnocchiclient to allow gate to pass

    Closes-Bug: #1714483
    Change-Id: I851e16f537f547fb3a31fb22535dd4dae62fb235