esxi 6.5

Hello. Yesterday my home ESXi installation quit and I have been out of the loop for a while, so missed the demise of VMWare and it's free version of ESXi. As a result I have decided to migrate to Proxmox VE but there are some cross migration elements I don't fully understand and was hoping for...

I tried to migrate an ESXi 6.5 VM running Windows 7 (I know: EOL for long but required for some legacy stuff) to Proxmox VE 8.x using the Import Tool. It succeeds quite well (rendering my ESXi 6.5 host useless due to high I/O), but my network configuration is gone: a new Intel(R) PRO/1000 MT...