Primary - Network Command: setName error in encoding log

It appears eventualy (1-2 per hour, 249 times)  during encoding. What does that mean?

Wed Apr 13 2011 11:14:43 : Primary - Network Command: setName
Wed Apr 13 2011 11:14:43 : Primary - Network Command: setName
Wed Apr 13 2011 11:14:43 : Primary - Network Command: setName
Wed Apr 13 2011 11:14:43 : Primary - Network Command: setName
Wed Apr 13 2011 11:14:43 : Primary - Network Command: setName
Wed Apr 13 2011 11:14:43 : Primary - Network Command: setName
Wed Apr 13 2011 11:14:43 : Primary - Network Command: setName