2014-02-24 [Phoronix] Systemd 209 Is A Massive Release, Readies Kdbus http://www.phoronix.com/scan.php?page=news_item&px=MTYwOTg http://lists.freedesktop.org/archives/systemd-devel/2014-February/017146.html dbusのkernel内実装、kdbusに対応。