htop:
  Installed: 2.0.1-1ubuntu1
  Candidate: 2.0.1-1ubuntu1
  Version table:
 *** 2.0.1-1ubuntu1 500
        500 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 Packages
        100 /var/lib/dpkg/status
     2.0.1-1 500
        500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages