Comment 3 for bug 1583077

It seems like everything points to a firmware bug on this part. If we can first verify the firmware version installed via "ethtool -i" as in the example below which is from my system with 5.0 firmware, then we could update the firmware to see if it resolves the issue.

[root@ahduyck-xeon-server ~]# ethtool -i ens7f0
driver: i40e
version: 1.3.21-k
firmware-version: f5.0.40043 a1.5 n5.02 e2284
bus-info: 0000:81:00.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: yes

The firmware update is available from:
https://downloadcenter.intel.com/download/24769