Comment 6 for bug 1707307

Reviewed: https://review.openstack.org/489428
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=ce8dbcff838a6e89cba87882d84365db590508b8
Submitter: Jenkins
Branch: master

commit ce8dbcff838a6e89cba87882d84365db590508b8
Author: Kevin Benton <email address hidden>
Date: Mon Jul 31 15:46:39 2017 -0700

    Don't log 'Exit code: 0'

    A regular gate run shows this was logged ~2500 times.
    It doesn't provide any useful information since the
    command executed successfully and we can see the
    issued command in the debug statement before it.

    Partial-Bug: #1707307
    Change-Id: I431d6a59ce36deb9a5fb9deef39655d28d71f24d