i have the related issue about eve-ng.
qemu is not available inside eve-ng and my pve is nested virtualization enabled.
CPU 12 x 11th Gen Intel(R) Core(TM) i5-11400 @ 2.60GHz (1 slot)
Linux 5.13.19-2-pve #1 SMP PVE 5.13.19-4 (Mon, 29 Nov 2021 12:10:09 +0100)
PVE Manager pve-manager/7.1-7/df5740ad