In Tor Arti before 1.2.3, circuits sometimes incorrectly have a length of 3 (with full vanguards), aka TROVE-2024-004. https://gitlab.torproject.org/tpo/core/arti/-/issues/1400
Created tor tracking bugs for this issue: Affects: epel-all [bug 2281502] Affects: fedora-all [bug 2281503]