udev: preserve old network device name with newer systemd versions.
udev: preserve old network device name with newer systemd versions.

Required to maintain compatibility with existing GCE installs.

nicescale/init,zhang0137/init,BugRoger/init,zhang0137/init,coreos/init,endocode/init,BugRoger/init,coreos/init,endocode/init,nicescale/init,coreos/init