+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-02 16:57:41.079 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-02 16:57:41.399 1 INFO cinder.rpc [None req-dbbd74e9-6708-4e9c-8158-c5b27cfcb5b0 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-02 16:57:41.402 1 INFO cinder.rpc [None req-dbbd74e9-6708-4e9c-8158-c5b27cfcb5b0 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-02 16:57:41.404 1 INFO cinder.rpc [None req-dbbd74e9-6708-4e9c-8158-c5b27cfcb5b0 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-02 16:57:41.406 1 INFO cinder.rpc [None req-dbbd74e9-6708-4e9c-8158-c5b27cfcb5b0 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-02 16:57:41.408 1 INFO cinder.rpc [None req-dbbd74e9-6708-4e9c-8158-c5b27cfcb5b0 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-02 16:57:41.413 1 INFO cinder.rpc [None req-dbbd74e9-6708-4e9c-8158-c5b27cfcb5b0 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-02 16:57:41.478 1 WARNING oslo_config.cfg [None req-dbbd74e9-6708-4e9c-8158-c5b27cfcb5b0 - - - - - -] 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 16:57:41.479 1 WARNING oslo_config.cfg [None req-dbbd74e9-6708-4e9c-8158-c5b27cfcb5b0 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-02 16:57:41.487 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-09-02 16:57:41.511 1 INFO cinder.backup.manager [None req-2660a02e-9163-42f7-9b4d-6315d241f610 - - - - - -] Cleaning up incomplete backup operations.
2026-09-02 16:57:41.570 1 INFO cinder.keymgr.migration [None req-23686be8-f50f-4465-996b-9c6874a80d56 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.