systemd:
  Installed: 229-4ubuntu10
  Candidate: 229-4ubuntu12
  Version table:
     229-4ubuntu12 500
        500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
 *** 229-4ubuntu10 500
        500 http://security.ubuntu.com/ubuntu xenial-security/main amd64 Packages
        100 /var/lib/dpkg/status
     229-4ubuntu4 500
        500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages