Comment 8 for bug 1783547

Reviewed: https://review.openstack.org/619517
Committed: https://git.openstack.org/cgit/openstack/tripleo-heat-templates/commit/?id=de016e68623d2ee7b459263dfdf1312a329d6872
Submitter: Zuul
Branch: stable/pike

commit de016e68623d2ee7b459263dfdf1312a329d6872
Author: Cédric Jeanneret <email address hidden>
Date: Wed Jul 25 14:13:55 2018 +0200

    Remove tftp service and package upon upgrade to container

    In non-containerized over/undercloud, the tftpd service is
    supervised by xinetd.
    If we don't deactivate tftpd from xinetd, the UDP:69 port
    will still be in use, preventing the containerized tftpd
    service to start.

    Change-Id: Ibf2decaaaedda9a3b44f28786a5ab9b7415a3907
    Closes-bug: 1783547
    (cherry picked from commit 149ca6e1634de629a90026a547f301c59555725f)