I'm seeing this same issue on both my Intel NUC8i5BEH units (Intel® Ethernet Connection I219-V) - Both run PVE6 and produce the same set of "e1000e 0000:00:1f.6 eno1: Detected Hardware Unit Hang" error messages as above in /var/log/syslog, sometimes in excess of 150 times a day...
I assume this...