http://lists.freedesktop.org/archives/systemd-devel/2013-February/009021.html
Features:
+* teach udev + logind's uaccess to somehow handle the "dead" device nodes from:
+ /lib/modules/$(uname -r)/modules.devname
+ and apply ACLs to them if they have TAG=="uaccess" in udev rules.
* clean up early boot services, and put them all before sysinit.target
and leave basic.target alone.