Bug ID 2087741: Numerous TMM Log Messages Like "iavf[0000:27:00.0]: delete MAC 33:33:ff:41:12:0d"

Last Modified: Oct 15, 2025

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
17.1.2.1, 17.1.2.2, 17.1.3

Opened: Sep 30, 2025

Severity: 3-Major

Symptoms

On an r4000 or r2000 tenant, with vlan failsafe configured /var/log/tmm iavf[0000:27:00.0]: delete MAC 33:33:ff:12:55:0d iavf[0000:27:00.0]: delete MAC 33:33:ff:12:55:0d iavf[0000:27:00.0]: add/modify MAC 33:33:ff:12:55:0d iavf[0000:27:00.0]: MAC 33:33:ff:12:55:0dto be deleted but not found.

Impact

Many logs in /var/log/tmm

Conditions

R2000 or r4000 tenant vlan failsafe enabled vlan failsafe has been triggered

Workaround

Disable vlan failsafe or remove vlans that are not seeing traffic.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips