Bug ID 2138185: LLDP may core when ConfD restarts or reconnects

Last Modified: Jun 25, 2026

Affected Product(s):
F5OS F5OS, F5OS-A, F5OS-C(all modules)

Known Affected Versions:
F5OS-A 1.5.1, F5OS-A 1.5.2, F5OS-A 1.5.3, F5OS-A 1.5.4, F5OS-A 1.8.0, F5OS-A 1.8.1, F5OS-A 1.8.2, F5OS-A 1.8.3, F5OS-A 1.8.4, F5OS-C 1.6.0, F5OS-C 1.6.1, F5OS-C 1.6.2, F5OS-C 1.6.4, F5OS-C 1.8.0, F5OS-C 1.8.1, F5OS-C 1.8.2

Opened: Oct 22, 2025

Severity: 3-Major

Symptoms

LLDP may core when ConfD restarts or reconnects. Log messages similar to the following may be soon in velos.log (F5OS-C) or platform.log (F5OS-A) around the time of the core: 2025-06-04T01:09:47.357839+03:00 blade-1(p1) lldpd[8]: priority="Err" version=1.0 msgid=0x6001000000000015 msg="Unable to start confD session." ERROR="Lost connection to ConfD" LASTERR="EOF on socket to ConfD" ERRNO=45. 2025-06-04T01:09:47.357842+03:00 blade-1(p1) lldpd[8]: priority="Err" version=1.0 msgid=0x6001000000000015 msg="Unable to start confD session." ERROR="Lost connection to ConfD" LASTERR="EOF on socket to ConfD" ERRNO=45.

Impact

No functional impact.

Conditions

-- LLDP in use. -- ConfD restarts or reconnects.

Workaround

NA

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips