I was able to reproduce this for Bookworm both locally and in CI at https://salsa.debian.org/mariadb-team/galera-4/-/jobs/5620032
After importing latest upstream build/test passes: https://salsa.debian.org/otto/galera/-/jobs/5624466 Stable upload request filed at https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1069639
