Devfs is indeed deprecated in favor of udev, and many services start in multiple runlevels. This is perfectly normal for debian/ubuntu, where runlevels aren't handled like you may be used to from redhat/mandrake/fedora.
** Changed in: devfsd (Ubuntu) Status: Unconfirmed => Rejected -- devfsd in too many runnlevels https://launchpad.net/bugs/1792 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs