Your bug report

#29674: Ceph creates Btrfs subvolumes on Btrfs during tests.

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 29674@debbugs.gnu.org.

-- 
29674: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=29674
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems