Openshift nodes can be unable to communicate due to tuned setting i40e NIC channels to 8

Solution Verified - Updated -

Issue

  • 2 workers bond wired interface shows no carrier even the switch shows connection up. Error in dmesg logs:
[15397.253139] IPv6: ADDRCONF(NETDEV_UP): ens1f1: link is not ready
[15397.253633] IPv6: ADDRCONF(NETDEV_UP): ens2f0: link is not ready
[15397.255855] i40e 0000:3b:00.1: failed to get phy cap., ret =  I40E_ERR_QUEUE_EMPTY last_status =  OK
[15397.257507] i40e 0000:5e:00.0: failed to get phy cap., ret =  I40E_ERR_QUEUE_EMPTY last_status =  OK

Environment

  • Red Hat Openshift Container Platform 4.12.10
  • tuned
  • Intel i40e adapter
    • Intel Corporation Ethernet Controller XXV710
    • SRIOV

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