Comment 4 for bug 1513239

In this case Keystone is deployed on a container in that host.

  '7':
    constraints: tags=emerson
    series: trusty

  keystone:
    charm: cs:trusty/keystone
    num_units: 1
    options:
      admin-password: ******
      admin-token: *******
      openstack-origin: cloud:trusty-mitaka
    to:
    - lxc:7