I was suggested to update the i40e driver on a few servers that have the XL710 
NIC installed. I picked on today to get familiar with the step.  After 
installing the RPM, built per the instructions in the i40e source README, then 
I did in /boot    
   - back up the old initramfs   

   - run dracut to generate a new initramfs   

   - reboot the server   


Then, I did a grep i40e /var/log/message and saw    
   - Aug 29 14:28:35 sc2u1n3 kernel: [   10.494594] i40e: module verification 
failed: signature and/or required key missing - tainting kernel   

   - Aug 29 14:28:35 sc2u1n3 kernel: [   11.076296] i40e 0000:03:00.1: The 
driver for the device detected an older version of the NVM image than expected. 
Please update the NVM image.   


Are they reflecting anything that should be acted upon?  If so, what's the best 
way to do for each?  I am new to this, and searching the mailing list archive 
and Googling around so far haven't helped. 
Any hints are appreciated.
Regards,
-- Zack

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