I made a batclient-related change last boot, and forgot some if-clauses. The
result is that you might get strange spam messages, of the format
'<41something_here number41>' for example. This is merely spam, and does not
break anything.
I fixed the bug already, and quit real+re-enter will fix it. You are free to
play without doing that, though; it's just mere spam and will end at next
boot.