Comment 4 for bug 1576755

To answer the question "why is this happening":

The cause of this problem is because we have a requirement set and anything we set will take precedence over all else we have our own upper constraints file and if we want to have this as not installed or simply limited we can achieve that by adding packages to [ https://github.com/openstack/openstack-ansible/blob/kilo/global-requirement-pins.txt ].