How to get interface counters for SR-IOV VFs?

Solution Unverified - Updated -

Issue

  • How to get interface counters for SR-IOV VFs?
  • Are there any statistics on the passthrough interface available on the hypervisor/compute level that could be checked and used in troubleshooting the packet drops that are happening on the instance that is using VF?
  • As the tcpdump on SR-IOV is not possible, are the ethtool statistics trustworthy in the case of the SRIOV?

Environment

  • Red Hat Enterprise Linux
  • Red Hat Openstack Platform
  • Red Hat Openshift Container Platform
  • Red Hat Virtualization
  • SR-IOV Virtual Functions (VFs)

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