m66deaaf0 messages?

I see a bunch of messages in the logs with Little Snitch running on mavericks (OS-X)

Feb 20 07:14:19 server kernel[0]: LS(4052) m66deaaf0:346
Feb 20 07:14:19 server kernel[0]: LS(4052) m66deaaf0:253
Feb 20 07:14:19 server kernel[0]: LS(4052) m66deaaf0:415
Feb 20 07:14:19 server kernel[0]: LS(4052) m66deaaf0:346
Feb 20 07:14:19 server kernel[0]: LS(4052) m66deaaf0:56

what are these and what do they mean?