xserver-xorg-core:
  Installed: 2:1.17.2-3
  Candidate: 2:1.17.2-3
  Version table:
 *** 2:1.17.2-3 0
        500 http://ftp.nl.debian.org/debian/ unstable/main amd64 Packages
        100 /var/lib/dpkg/status