Random session names starting with c20 prefix

When a user is using EnginFrame there will be shells and scripts executed as efnobody user, These sessions are named c20…. – but these are not users. These are sessions of the user efnobody doing EF work. 

Example of possible names:

Session c2029603 of user
Session c2029601 of user
Session c2029604 of user

efuser systemd: Started Session c2029620 of user efnobody.