BugZero | F5 BugID 994269 - Message 'double flow removal' is logged in LTM log...

F5 - Defect ID: 994269

Message 'double flow removal' is logged in LTM log file

F5 - Defect ID: 994269

Message 'double flow removal' is logged in LTM log file

Last updated on July 18th, 2026

BugZero Risk Score
6.8 Medium

Overall: 6.8

Severity: 7.3

Community: 4.2

Lifecycle: 7.8

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Bug Details

Priority: 3-Major
Status: Not Verified
Impact Category: Local Traffic Manager

Description

Symptoms

The LTM log contains messages similar to the following: Oops @ 0x290cfa0:1129: double flow removal.

Impact

The memory_usage_stat and tmm/umem_usage_stat might reflect incorrect values under increased traffic load when the underlying double flow removal messages persist continuously on the blades. Excessive message logging by TMM may impact traffic.

Conditions

FastL4 virtual server with iRule containing the FLOW_INIT command.

Workaround

None

Fix Information

None

Change history

Links

Original Vendor Announcement

Relevant Products

Click on a version to see all relevant bugs

Affected versions:14.1.3, 14.1.3.1, 14.1.4, 14.1.4.1, 14.1.4.2, 14.1.4.3, 14.1.4.4, 14.1.4.5, 14.1.4.6, 14.1.5, 14.1.5.1, 14.1.5.2, 14.1.5.3, 14.1.5.4, 14.1.5.6, 15.0.0, 15.0.1, 15.0.1.1, 15.0.1.2, 15.0.1.3, 15.0.1.4, 15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 16.0.0, 16.0.0.1, 16.0.1, 16.0.1.1, 16.0.1.2

Fixed versions: 16.1.0, 15.1.10

Relevant Products

Click on a version to see all relevant bugs

Fixed versions: 16.1.0, 15.1.10

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F5 - Defect ID: 994269

Message 'double flow removal' is logged in LTM log file

F5 - Defect ID: 994269

Message 'double flow removal' is logged in LTM log file

Last updated on July 18th, 2026

BugZero Risk Score6.8 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 994269

Message 'double flow removal' is logged in LTM log file

F5 - Defect ID: 994269

Message 'double flow removal' is logged in LTM log file

Last updated on July 18th, 2026

BugZero Risk Score6.8 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
6.8 Medium

BugZero Risk Score
6.8 Medium