[tor-relays] Circuit purposes

[Damian Johnson]

> In this case, I've got two
> circuits constructed, with the unusual purposes shown. Any idea what it
> means in this context?

Seems to be a parsing error. Arm's last release uses TorCtl which has
been deprecated for quite some time and is probably getting confused
by those entries. The next release will be Stem based instead so those
errors will go away.