ditto on ceph-osd:
2016-08-10 11:13:17 INFO juju-log old_version: cloud:trusty-kilo 2016-08-10 11:13:17 INFO juju-log new_version: cloud:trusty-mitaka 2016-08-10 11:13:18 INFO juju-log Invalid upgrade path from cloud:trusty-kilo to cloud:trusty-mitaka. Valid paths are: ['cloud:trusty-liberty -> cloud:trusty-mitaka', 'cloud:trusty-juno -> cloud:trusty-kilo', 'cloud:trusty-kilo -> cloud:trusty-liberty']
ditto on ceph-osd:
2016-08-10 11:13:17 INFO juju-log old_version: cloud:trusty-kilo mitaka. Valid paths are: ['cloud: trusty- liberty -> cloud:trusty- mitaka' , 'cloud:trusty-juno -> cloud:trusty-kilo', 'cloud:trusty-kilo -> cloud:trusty- liberty' ]
2016-08-10 11:13:17 INFO juju-log new_version: cloud:trusty-mitaka
2016-08-10 11:13:18 INFO juju-log Invalid upgrade path from cloud:trusty-kilo to cloud:trusty-