Why do we periodically see 'netlink: X bytes leftover after parsing attributes.' in syslog on Red Hat Enterprise Linux 6.4?

Solution Verified - Updated -

Issue

  • During bootup and at indeterminate times afterward, the latest RHEL 6.4 x86_64 kernel (2.6.32-358.6.1.el6.x86_64), shows repeated entries of the following lines in dmesg and /var/log/messages:
netlink: 4 bytes leftover after parsing attributes.
netlink: 8 bytes leftover after parsing attributes.

Environment

  • Red Hat Enterprise Linux 6.4
  • kernel-2.6.32-358.el6
  • kernel-2.6.32-358.6.1.el6

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