Comment 7 for bug 1822155

Reviewed: https://review.opendev.org/648456
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=ccf76c36bb508a8cfd4e0f3a24fc1de7a77dc307
Submitter: Zuul
Branch: master

commit ccf76c36bb508a8cfd4e0f3a24fc1de7a77dc307
Author: LIU Yulong <email address hidden>
Date: Fri Mar 29 00:07:11 2019 +0800

    Add log file for neutron-keepalived-state-change

    neutron-keepalived-state-change may not start but have no method
    to find out why. This patch adds the log file for it.

    Change-Id: I688a6e6d0ac42c00d87571484f726e0eae091675
    Related-Bug: #1822155