Kemp Loadmaster and Proxmox 8.1.3
TL:DR - Change your proxmox disk from RAW to QCOW2 for more stable Kemp Loadmaster implementation.
Installing a Proxmox 8.1.3 Lab server
Proxmox VE is an Open Source solution for running virtual devices including, virtual machines, containers and more. It is perfect and almost a necessity for lab environments but is powerful and robust enough for the most demanding production environment