Comment 31 for bug 1654008

Hey @Björn, we are seeing the same issue as you do. I wonder if this is actually due to a problem with the build, since we still saw proper installation on the 13th of April of update-manager-core

(
see output of on of our 14.04 machines:
ubuntu@ip-10-0-18-215:~$ apt-cache policy update-manager-core
update-manager-core:
  Installed: 1:0.196.23
  Candidate: 1:0.196.23
  Version table:
 *** 1:0.196.23 0
        100 /var/lib/dpkg/status
     1:0.196.11 0
        500 http://us-east-1.ec2.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
)

It seems like there has been a faulty update to the mirror, that brought the 0.196.22 back online and thus broke package installation of e.g. update-notifier-common for us.