Partially NVMe passthrough with same vendor id

Hello there!

I have freshly installed PVE 8.0 on lab server, trying to run some performance tests for different storage backends.
Server configuration (if matters): Xeon W-2145 on Supermicro X11SRA-RF with pair of NVMe Micron 7300 Pro 1.92tb each.

nvme0n1 used as LVM PV with PVE installed + /boot
nvme1n1 is a thing i wanted to passthrough to VM and use after for some tests as qcow2/lvm

I've read carefully https://pve.proxmox.com/wiki/PCI(e)_Passthrough instructions.
With...

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