@Wayne-Workman still happens the same.
port=0
log-dhcp
tftp-root=/tftpboot
dhcp-boot=undionly.kkpxe,fog,192.168.56.128
dhcp-option=17,/images
dhcp-option=vendor:PXEClient,6,2b
dhcp-no-override
pxe-service=X86PC, "Booting into FOG!", undionly
dhcp-range=192.168.56.128,proxy
[root@fog tftpboot]# ls -lisa
total 2572
3014657 4 drwxr-xr-x 2 fog root 4096 Aug 3 17:45 .
2 4 dr-xr-xr-x. 24 root root 4096 Aug 3 15:51 ..
3014658 4 -rw-r--r-- 1 fog root 840 Jul 31 21:54 boot.txt
3014671 4 -rw-r--r-- 1 root root 296 Jul 31 21:54 default.ipxe
3014659 380 -rw-r--r-- 1 fog root 389009 Jul 31 21:54 ipxe.kkpxe
3014660 380 -rw-r--r-- 1 fog root 389057 Jul 31 21:54 ipxe.kpxe
3014661 380 -rw-r--r-- 1 fog root 388044 Jul 31 21:54 ipxe.krn
3014662 380 -rw-r--r-- 1 fog root 389073 Jul 31 21:54 ipxe.pxe
3014663 28 -rw-r--r-- 1 fog root 25340 Jul 31 21:54 memdisk
3014664 20 -rw-r--r-- 1 fog root 16794 Jul 31 21:54 pxelinux.0.old
3014665 164 -rw-r--r-- 1 fog root 165088 Jul 31 21:54 snponly.efi
3014672 0 lrwxrwxrwx 1 root root 14 Aug 3 17:45 undionly.0 -> undionly.kkpxe
3014666 100 -rw-r--r-- 1 fog root 101989 Jul 31 21:54 undionly.kkpxe
3014667 100 -rw-r--r-- 1 fog root 102037 Jul 31 21:54 undionly.kpxe
3014668 376 -rw-r--r-- 1 fog root 382650 Jul 31 21:54 undionly.kpxe.INTEL
3014669 100 -rw-r--r-- 1 fog root 102053 Jul 31 21:54 undionly.pxe
3014670 148 -rw-r--r-- 1 fog root 147728 Jul 31 21:54 vesamenu.c32