path: fai_6.5.6/bin/fai-setup
    add_export_line $FAI_CONFIGDIR  "$iprange(async,ro,no_subtree_check)"
    add_export_line $NFSROOT  "$iprange(async,ro,no_subtree_check,no_root_squash)"
    if pidof nfsd >/dev/null
    then
	systemctl reload nfs-kernel-server