auditd reports "Error receiving audit netlink packet (No buffer space available)"

Solution Verified - Updated -

Issue

  • auditd reports Error receiving audit netlink packet (No buffer space available) repeatedly

    Dec 29 11:10:33 myrhel8 auditd[719779]: Error receiving audit netlink packet (No buffer space available)
Dec 29 11:10:34 myrhel8 auditd[719779]: Error receiving audit netlink packet (No buffer space available)
Dec 29 11:10:34 myrhel8 auditd[719779]: Error receiving audit netlink packet (No buffer space available)
Dec 29 11:10:35 myrhel8 auditd[719779]: Error receiving audit netlink packet (No buffer space available)
Dec 29 11:10:40 myrhel8 auditd[719779]: Error receiving audit netlink packet (No buffer space available)
Dec 29 11:10:40 myrhel8 auditd[719779]: Error receiving audit netlink packet (No buffer space available)
Dec 29 11:10:40 myrhel8 auditd[719779]: Error receiving audit netlink packet (No buffer space available)

  • But NO backlog limit exceeded messages like this:

    kernel: audit: audit_backlog=65537 > audit_backlog_limit=65536
kernel: audit: audit_lost=126533574 audit_rate_limit=0 audit_backlog_limit=65536

Environment

  • Red Hat Enterprise Linux 8, 9
  • audit

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