Comment 11 for bug 1504536

Reviewed: https://review.openstack.org/413445
Committed: https://git.openstack.org/cgit/openstack/kolla-ansible/commit/?id=e9c7d4543abadf82bdf7ae7facfbcc3d9c7a95fc
Submitter: Jenkins
Branch: master

commit e9c7d4543abadf82bdf7ae7facfbcc3d9c7a95fc
Author: ZhongShengping <chdzsp@163.com>
Date: Wed Dec 21 15:03:23 2016 +0800

    Use stevedore aliases for interface_driver configuration

    interface_driver configuration was updated to use stevedore aliases.
    This patch is to change devstack scripts to now use the aliases
    instead of the previous class imports.

    Change-Id: Ida10765f89c07205837e46f8cb445391f0e15373
    Closes-Bug: #1504536