+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-06-24 18:25:30.100 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-06-24 18:25:30.335 1 INFO cinder.rpc [None req-08f985b1-4056-47a3-b031-30f7b9d3d164 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-06-24 18:25:30.338 1 INFO cinder.rpc [None req-08f985b1-4056-47a3-b031-30f7b9d3d164 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-06-24 18:25:30.342 1 INFO cinder.rpc [None req-08f985b1-4056-47a3-b031-30f7b9d3d164 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-06-24 18:25:30.345 1 INFO cinder.rpc [None req-08f985b1-4056-47a3-b031-30f7b9d3d164 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-06-24 18:25:30.348 1 INFO cinder.rpc [None req-08f985b1-4056-47a3-b031-30f7b9d3d164 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-06-24 18:25:30.352 1 INFO cinder.rpc [None req-08f985b1-4056-47a3-b031-30f7b9d3d164 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-06-24 18:25:30.405 1 WARNING oslo_config.cfg [None req-08f985b1-4056-47a3-b031-30f7b9d3d164 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated for removal (The auth_uri option is deprecated in favor of www_authenticate_uri and will be removed in the S  release.).  Its value may be silently ignored in the future.
2026-06-24 18:25:30.406 1 WARNING oslo_config.cfg [None req-08f985b1-4056-47a3-b031-30f7b9d3d164 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-06-24 18:25:30.417 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-06-24 18:25:30.436 1 INFO cinder.backup.manager [None req-66d0682a-ee46-4d43-9f9c-b1ec19cf7830 - - - - - -] Cleaning up incomplete backup operations.
2026-06-24 18:25:30.565 1 INFO cinder.keymgr.migration [None req-1e2e8774-f24e-43cc-95fe-ca88c96e5e9b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.