Comment 3 for bug 1674780

Reviewed: https://review.openstack.org/447679
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=9ee58550e0db2b96eef982621a6a3715a285fb6c
Submitter: Jenkins
Branch: master

commit 9ee58550e0db2b96eef982621a6a3715a285fb6c
Author: Ihar Hrachyshka <email address hidden>
Date: Mon Mar 20 20:36:29 2017 +0000

    Write vrrp_script before (re)starting keepalived

    Otherwise if keepalived decides to trigger the script before we write it
    out, or when we fail to generate the script, then the router may become
    broken.

    Closes-Bug: 1674780
    Change-Id: I2cea3159fd84c40506254fbd688cb1d745c9bf1c