+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-02 16:56:56.311 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-02 16:56:56.586 1 INFO cinder.rpc [None req-f0be8f5f-6f8b-4777-a8f2-d7df724a2494 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-02 16:56:56.589 1 INFO cinder.rpc [None req-f0be8f5f-6f8b-4777-a8f2-d7df724a2494 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-02 16:56:56.591 1 INFO cinder.rpc [None req-f0be8f5f-6f8b-4777-a8f2-d7df724a2494 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-02 16:56:56.593 1 INFO cinder.rpc [None req-f0be8f5f-6f8b-4777-a8f2-d7df724a2494 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-02 16:56:56.596 1 INFO cinder.rpc [None req-f0be8f5f-6f8b-4777-a8f2-d7df724a2494 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-02 16:56:56.598 1 INFO cinder.rpc [None req-f0be8f5f-6f8b-4777-a8f2-d7df724a2494 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-02 16:56:56.655 1 WARNING oslo_config.cfg [None req-f0be8f5f-6f8b-4777-a8f2-d7df724a2494 - - - - - -] 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.
2026-09-02 16:56:56.656 1 WARNING oslo_config.cfg [None req-f0be8f5f-6f8b-4777-a8f2-d7df724a2494 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-02 16:56:56.664 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-09-02 16:56:56.687 1 INFO cinder.backup.manager [None req-d84b95db-8f24-456d-966c-1abedbfde817 - - - - - -] Cleaning up incomplete backup operations.
2026-09-02 16:56:56.740 1 INFO cinder.keymgr.migration [None req-f28eaefd-28a6-447d-aa96-0a3729f131c5 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.