Intel iavf SR-IOV Virtual Function displays zero counter statistics

Solution Unverified - Updated -


  • SR-IOV virtual function using Intel iavf driver and i40e PF shows zero counters in ifconfig and ip -s link, eg:
# ifconfig ethX
ethX: ...
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


  • Red Hat Enterprise Linux 8.3 (kernel-4.18.0-240.el8 series)
  • Red Hat Enterprise Linux 8.2 (kernel-4.18.0-193.el8 series)
  • SR-IOV VF (Virtual Function) using iavf driver

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