Untraceable console log messages

Carl Hoefs <[email protected]> Mon, 23 Jun 2014 10:02:59 -0700

Newsgroups	gmane.comp.macosx.admin
Message-ID	<[email protected]>

OS X 10.8.5

I have a console log full of these messages:

6/23/14 9:57:15.000 AM kernel[0]: LS(4202): socket: LS_SF_CLOSING pid:0 / 1261 line:820
6/23/14 9:57:15.000 AM kernel[0]: LS(4202): socket: LS_SF_CLOSING pid:0 / 1261 line:820
6/23/14 9:57:15.000 AM kernel[0]: LS(4202): socket: LS_SF_CLOSING pid:0 / 1261 line:820
6/23/14 9:57:15.000 AM kernel[0]: LS(4202): socket: LS_SF_CLOSING pid:0 / 1261 line:820
6/23/14 9:57:15.000 AM kernel[0]: LS(4202): socket: LS_SF_CLOSING pid:0 / 1261 line:820
6/23/14 9:57:15.000 AM kernel[0]: LS(4202): socket: LS_SF_CLOSING pid:0 / 1261 line:820

Google comes up with nothing when searching for "LS_SF_CLOSING" (nothing at all!).
Any ideas what could be causing this?
-Carl