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Multiple Errors: "kernel: nf_queue: full at 4096 entries, dropping packets(s)" in /var/log/messages (Doc ID 2672872.1)

Last updated on JUNE 04, 2020

Applies to:

Oracle Cloud Infrastructure - Version N/A and later
Linux OS - Version Oracle Linux 6.0 and later
Linux x86-64
Linux x86-64 on Oracle Public Cloud

Goal

What is the cause of multiple errors reported in /var/log/messages:

May 17 12:25:21 <HOSTNAME> kernel: nf_queue: full at 4096 entries, dropping packets(s)
May 17 12:25:21 <HOSTNAME> kernel: nf_queue: full at 4096 entries, dropping packets(s)
May 17 12:25:21 <HOSTNAME> kernel: nf_queue: full at 4096 entries, dropping packets(s)

The system also becomes temporarily unresponsive to login attempts.
 

Solution

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Goal
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