Are these 11 lines a bad sign?

They weren’t there before.
Something to concern about ?
How to fix it / clear it ?

The tilde sign indicates that there is no line rather than a empty line. This is also confirmed by the message lines 1-11/11 (END). The first line being mongod.service … and the last being … started mongodb server

Today it’s gone. back to the normal output. how to keep that notification from returning ?