Comment 22 for bug 1504536

Reviewed: https://review.openstack.org/593599
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=dc136094352f02c0b5770630c0464b9922501a1e
Submitter: Zuul
Branch: stable/pike

commit dc136094352f02c0b5770630c0464b9922501a1e
Author: Hongbin Lu <email address hidden>
Date: Thu Aug 9 21:02:01 2018 +0000

    Update metering driver to load interface driver

    Currently the metering iptables driver is using the old method
    to load the interface driver. This patch allows it to load
    interface driver via stevedore aliases.

    Change-Id: I9e3027c1ec695ec3a09db0c53a0388e406e4ced6
    Related-Bug: #1504536
    (cherry-picked from commit 38309ca4dc79e033a7b8384f4e9f1224c5a69524)