muon:
  Installed: 4:5.6.0-0ubuntu1~ubuntu16.04~ppa2
  Candidate: 4:5.6.0-0ubuntu1~ubuntu16.04~ppa2
  Version table:
 *** 4:5.6.0-0ubuntu1~ubuntu16.04~ppa2 500
        500 http://ppa.launchpad.net/clivejo/xenial/ubuntu xenial/main amd64 Packages
        100 /var/lib/dpkg/status
     4:5.4.3-0ubuntu1 500
        500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages