All four of my TrueNAS systems, running on identical Minisforum MS-01s, report that the 10 Gb NICs aren’t found, after updating. Since that’s how virtually everything accesses their data on them, that’s a big problem. Everything was working fine before the upgrades.
Any idea what’s going on here, and how to fix it?
SOLVED: It turns out that those NICs were renamed during upgrade. They were, indeed, configured correctly and passing data. I just needed to replace the dashboard widget for the interface old name, with one using its new name, and everything is fine. Hopefully this helps someone else.
You could also easily switch back to the previous version under System → Boot .
One tries to understand and solve the problem, before performing a knee-jerk roll-back. 
Seems like I’ve misread “everything” for “everyone”. My bad.
