borg sometimes fails because of changes in log files during backup

Example in ecours:

Mar 31 02:10:24 gecko systemd[1]: Starting run-backup-rootfs.service - back stuff up...
Mar 31 02:12:38 gecko runbackupfs.sh[2426836]: var/log/journal/7aaa59b8609748f69c409966f46274b8/system.journal: file changed while we backed it up
Mar 31 02:12:46 gecko systemd[1]: run-backup-rootfs.service: Main process exited, code=exited, status=1/FAILURE
Mar 31 02:12:46 gecko systemd[1]: run-backup-rootfs.service: Failed with result 'exit-code'.
Mar 31 02:12:46 gecko systemd[1]: Failed to start run-backup-rootfs.service - back stuff up.
Mar 31 02:12:46 gecko systemd[1]: run-backup-rootfs.service: Consumed 1min 2.033s CPU time.

Also in teels:

2024-04-11T13:33:44.635638+00:00 ecours runbackupfs.sh[74094]: var/log/auth.log: file changed while we backed it up