[CentOS] CentOS 7: System log has repeated lines: Started session 123 of user root.

Thu Aug 4 05:24:14 UTC 2016
therbur <fxb7-ox9n at dea.spamcon.org>

therbur <fxb7-ox9n at dea.spamcon.org> wrote:

>The system log (/var/log/messages) of a CentOS 7.2 system has
>frequently-repeated message line pairs like:
>Jul 18 14:00:01 localhost systemd: Started Session 307 of user root.
>Jul 18 14:00:01 localhost systemd: Starting Session 307 of user root.
>where the session number increases each time.
>Looking around on this, e.g. Red Hat Bugzilla bug 727315, it looks like
>it's when crond starts a task; it looks like it might be fixed - I would
>think that would be in CentOS but don't know how to find/compare the
>Fedora and CentOS systemd versions to know for sure.
>I found a post on a workaround - in /etc/systemd/system.conf to change the
>I did that and rebooted, and it has stopped the messages.
>I'm worried though that this may have knocked out something of actual
>interest from the syslog.
>So my question is, is there a better way?  A way that info messages could
>go to some other log, or better yet, a way that those particular "session"
>messages, and only those, could go to some other log or be filtered out?

No replies - any tips/ideas on where to look next?