sysfs needs to be available before we can check interfaces. On udev
systems this was not a problem, but with mdev/static-dev, there is no
other need for sysfs until later in the init.
X-Gentoo-Bug: 410701
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=410701
Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>
37af1693b4