Retainers tracking random players?

Something strange has been happening lately with my max lvl mining retainer (my mining lvl is only 25 so thats as far as she can go currently)

Whenever my retainer gets back from her Quick Explorations I get strange messages saying "random players IGN has reached maximum level." after the item received message.

my retainers name is Buu the random IGN is Zuro Velynos (whom i've never met and he was located in Mor dhona while i was at Mist.)

http://i.imgur.com/xbFMuoK.png

This has happened every time she returns from venture.

Seems to be a bug. Saw another post about this earlier. BTW your sig is awesome.