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/var/log/messages Filled With 'kernel: ENFORCEMENT: [tcpv6_unhash]' (Doc ID 2396208.1)

Last updated on OCTOBER 20, 2022

Applies to:

Linux OS - Version Oracle Linux 5.0 and later
Oracle Cloud Infrastructure - Version N/A and later
Information in this document applies to any platform.

Symptoms

 OS Logs (/var/log/messages) reports many of the errors listed below:


Apr 17 12:52:32 hostname kernel: ENFORCEMENT: [tcpv6_unhash] tcp:10.10.10.10:50240 -> 0 (softirq) remote: 10.10.10.10:65297
Apr 17 12:52:32 hostname kernel: ENFORCEMENT: [tcpv6_unhash] tcp:10.10.10.10:50240 -> 27132 (softirq) [port_table] not removing server mapping
Apr 17 12:52:32 hostname kernel: ENFORCEMENT: [tcpv6_unhash] tcp:10.10.10.10:20490 -> 15072 (softirq) remote: 10.10.10.10:50215
Apr 17 12:52:32 hostname kernel: ENFORCEMENT: [tcpv6_unhash] tcp:10.10.10.10:20490 -> 27132 (softirq) [port_table] removing closed socket
Apr 17 12:52:32 hostname kernel: ENFORCEMENT: [tcpv6_unhash] tcp:10.10.10.10:50215 -> 15072 (java) remote: 10.10.10.10:20490
Apr 17 12:52:32 hostname kernel: ENFORCEMENT: [tcpv6_unhash] tcp:10.10.10.10:50215 -> 15072 (java) [port_table] not removing server mapping
Apr 17 12:52:32 hostname kernel: ENFORCEMENT: [tcpv6_unhash] tcp:10.10.10.10:50511 -> 0 (softirq) remote: 10.10.10.10:3973
Apr 17 12:52:32 hostname kernel: ENFORCEMENT: [tcpv6_unhash] tcp:10.10.10.10:50511 -> 48383 (softirq) [port_table] not removing server mapping
Apr 17 12:52:33 hostname kernel: ENFORCEMENT: [tcpv6_unhash] tcp:10.10.10.10:50111 -> 0 (softirq) remote: 10.10.10.10:8269

Changes

 N/A

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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