Host-Only mode: Install only what is needed for booting the local host
instead of a generic host and generate host-specific configuration.
-*hostonly_cmdline*"__{yes|no}__"::
+*hostonly_cmdline=*"__{yes|no}__"::
If set, store the kernel command line arguments needed in the initramfs
*persistent_policy=*"__<policy>__"::