Description of problem:
I am doing a ceph upgrade from Ceph 1.3.2 ubuntu to Ceph 2.0.
During OS upgrade the version of ceph is switched to upstream.

Version-Release number of selected component (if applicable):
ceph version 0.94.5-5redhat1trusty to ceph 10.2.2

How reproducible:
Always

Steps to Reproduce:
1. Have a up and running 1.3.2 ceph cluster on trusty ( ISO install).
2. do an ubuntu OS upgrade from trusty to Xenial.
3. the ceph version has changed


Expected results:
The ceph version should be consistent

Additional info:

The OS upgrade has been done exactly according to the 1.3.2 install doc:
https://access.redhat.com/documentation/en/red-hat-ceph-storage/1.3/installation-guide-for-ubuntu/chapter-4-upgrade-ceph-cluster-on-ubuntu-precise-to-ubuntu-trusty

Upgraded node:

root@magna009:~# lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 16.04 LTS
Release:	16.04
Codename:	xenial
root@magna009:~# 
root@magna009:~# 
root@magna009:~# ceph -v
ceph version 10.2.0 (3a9fba20ec743699b69bd0181dd6c54dc01c64b9)
root@magna009:~# 


Non upgraded node:

oot@magna031:/etc/apt/sources.list.d# ceph -v
ceph version 0.94.5-5redhat1trusty (deef183a81111fa5e128ec88c90a32c9587c615d)
root@magna031:/etc/apt/sources.list.d# lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 14.04.4 LTS
Release:	14.04
Codename:	trusty