Running Netboot.xyz in Docker and DHCP in PiHole. Unable to load Menu.

[ahakobyan79]

[]: This bug persists when memory is increased beyond 8GB.
Yes

Describe the bug
Client PCs do get the PXE server IP, but connection to tftp://IP/netboot.xyz.kpxe times out.

To Reproduce
Steps to reproduce the behavior:
In my case, this happened right after installing Netboot.xyz (UI opens fine), and updating my pxe.conf in PiHole.

Expected behavior
Expect to load the menu

Screenshots
BIOS

UFEI