Bug ID 2227513: Tmm crash in Google Cloud during a live migration

Last Modified: Apr 09, 2026

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

Known Affected Versions:
16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1, 16.1.5.2, 16.1.6, 16.1.6.1

Opened: Feb 20, 2026

Severity: 3-Major

Symptoms

When running in Google Cloud and a live migration occurs tmm may crash.

Impact

Traffic disrupted while tmm restarts.

Conditions

- BIG-IP is running in Google Cloud - tmm is utilizing the virtio driver - A live migration is occurring

Workaround

Disable live migration in GCP. or Use the sock driver.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips