[fedora-arm] raspi 3b+ pxe boot aarch64

Hi, I was wondering if anyone has been able to get pxe boot to work on raspi 3b+ aarch64? I get some weird errors, "missing environment variable: bootfile" and "Bad Linux ARM64 Image magic!". I have attached screen shot and following is default file in pxelinux.cfg folder: default menu.c32 prompt 0 timeout 30 MENU TITLE TEST PXE Menu label Fedora-Minimal (4.18.16-300.fc29.aarch64) kernel fedora/root/boot/vmlinuz-4.18.16-300.fc29.aarch64 append console=ttyS0,115200 ip=dhcp root=nfs:xxx.xxx.xxx.xx:/fedora/root selinux=0 rw fdtdir fedora/root/boot/dtb-4.18.16-300.fc29.aarch64/ initrd fedora/root/boot/initramfs-4.18.16-300.fc29.aarch64.img any pointers appreciated!