Comment 1 for bug 1683852

Reviewed: https://review.openstack.org/457361
Committed: https://git.openstack.org/cgit/openstack/kuryr-libnetwork/commit/?id=5c45b19273039df53fba240852db0b0c3aff3a98
Submitter: Jenkins
Branch: master

commit 5c45b19273039df53fba240852db0b0c3aff3a98
Author: Hongbin Lu <email address hidden>
Date: Mon Apr 17 18:22:18 2017 -0400

    Avoid running more than one etcd process

    If both Fuxi and Kuryr-libnetwork are enabled in devstack, the script
    will fail since etcd-server was spawned twice. This commit added a
    check for existing etcd process and spawn one if not existed.

    Closes-Bug: #1683852
    Change-Id: Iecef71df1c0b58db62c20462932ba179c91a1695