"Failed to schedule" without including run name
3 - minor
We're getting a lot of emails which don't include the run name, and whose body text is
At least one job needs packages that don't exist. See above.
This contrasts with the more useful "Failed to schedule teuthology-2016-05-02_23:14:02-samba-master---basic-smithi" and
Packages for ceph hash 'bb7d9c15576affda5a53f60acca6543fc0d267ec' not found