ubuntu builds fail on ceph packages

[bjolo]

env: kolla stable/newton branch. ubuntu binary and source

All builds fail related to python-cephfs

root@eseldulx1040:~# docker run -it dockreg.mydomain.net:4000/kolla/ubuntu-source-openstack-base:3.0.0.161017b bash
()[root@b51f8812f7ab /]# apt-get -y install --no-install-recommends lvm2 qemu-utils ceph-common
Reading package lists... Done
Building dependency tree
Reading state information... Done
lvm2 is already the newest version (2.02.133-1ubuntu10).
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 ceph-common : Depends: python-cephfs (= 10.2.2-0ubuntu0.16.04.2) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.