Agreed (and thanks for the insight). This shouldn't be an issue on a high-end NUC that Intel makes both the MB and the built-in NIC. It seems to only be a problem when pushing a lot of data through the NIC. In my case, Plex or SABNZBD or both.
I'm in the process of migrating this Proxmox...
I have the same issue. Intel NUC7i7BNH with 1TB nvme SSD and 32GB of RAM.
e1000 driver hang error.
00:1f.6 Ethernet controller : Intel Corporation Ethernet Connection (4) I219-V [8086:15d8] (rev 21)
From reading this thread, there are two suggested fixes: