ubuntu@foo:~$ apt-cache policy libsystemsettings-dev
libsystemsettings-dev:
  Installed: (none)
  Candidate: 0.4+16.10.20160809-0ubuntu1
  Version table:
     0.4+16.10.20160809-0ubuntu1 500
        500 http://ppa.launchpad.net/ci-train-ppa-service/landing-001/ubuntu yakkety/main amd64 Packages
     0.4+16.10.20160722.1-0ubuntu1 500
        500 http://archive.ubuntu.com/ubuntu yakkety/universe amd64 Packages