plasma-desktop:
  Installed: 4:5.3.0-0ubuntu1~ubuntu15.04~ppa1
  Candidate: 4:5.3.0-0ubuntu1~ubuntu15.04~ppa1
  Version table:
 *** 4:5.3.0-0ubuntu1~ubuntu15.04~ppa1 0
        500 http://ppa.launchpad.net/kubuntu-ppa/backports/ubuntu/ vivid/main amd64 Packages
        100 /var/lib/dpkg/status
     4:5.2.2-0ubuntu4 0
        500 http://us.archive.ubuntu.com/ubuntu/ vivid/universe amd64 Packages