Onion Circuits should support multiple Tor daemon instances
Originally created by @sst on #11223 (Redmine)
A Debian user noted that it would be nice to be able to view the
circuits from the Tor daemon
run by the Tor Browser in addition to the system Tor daemon.
See Debian bug #817087 (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=817087).