What problem does this log indicate?

To: debian-user@lists.debian.org
Subject: What problem does this log indicate?
From: Harry Putnam <reader@newsguy.com>
Date: Sun, 05 Oct 2014 13:19:01 -0400
Message-id: <[🔎] 87lhou8mey.fsf@reader.local.lan>

System: 64bit jessie running as vbox vm guest 
Running on HOST Solaris (x86) (openindiana)

I'm getting lots of lines in logs like below.

Can anyone tell me what kind of a problem this log output is pointing
to?

/var/log/syslog:Oct  5 06:53:35 2xd systemd[1]: \
   [/lib/systemd/system/rtkit-daemon.service:32] \
      Unknown lvalue 'ControlGroup' in section 'Service'

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