testing/dracut: add a host-only config a network patch and readme
for a test VM hostonly config reduced the size of initramfs from 33M to 9M.
https://github.com/dracutdevs/dracut/blob/master/man/dracut.conf.5.asc
for a test VM hostonly config reduced the size of initramfs from 33M to 9M.
https://github.com/dracutdevs/dracut/blob/master/man/dracut.conf.5.asc