Symptom
DIAG_PORT_LB-2-PORTLOOPBACK_TEST_FAIL Module:X Test:PortLoopback failed 10 consecutive times. Faulty module: affected ports:46 Error:Test Failed, Could not identify the Faulty Device
Conditions
Issue only seen on F2/F2E line card.
Switch running 6.1(x), specifically earlier versions in this train.
Workaround(s):
None.
This issue/behavior is not going to impact regular traffic when the port is brought up for regular traffic.