Asr 5500 System Administration Guide, Staros Release 21.4 - Cisco ASR 5000 Series Administration Manual

Understanding Event ID Information in Logged Output
Element
[software internal system]
CLI session ended for Security Administrator
admin on device /dev/pts/2

ASR 5500 System Administration Guide, StarOS Release 21.4

198
Description
Indicates that the event was generated because of system
operation.
The event's details. Event details may, or may not include
variables that are specific to the occurrence of the event.
System Logs