How to monitor for kernel packet-drop reasons in RHEL 9 or RHEL8.8?

Solution In Progress - Updated -

Issue

  • Is it possible to know the reasons for packet drop ?
  • How to monitor network packet drop reasons ?

Environment

  • Red Hat Enterprise Linux 9 and above
  • Red Hat Enterprise Linux 8.8 (RHEL8.8) and above
  • SystemTap
  • perf tools
  • bpftrace
  • Network packet drop or packet loss

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