+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-02 12:59:24.453 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-02 12:59:24.732 1 INFO cinder.rpc [None req-c717cfed-445b-4a3b-94f9-780fbce1d0c9 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-02 12:59:24.735 1 INFO cinder.rpc [None req-c717cfed-445b-4a3b-94f9-780fbce1d0c9 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-02 12:59:24.737 1 INFO cinder.rpc [None req-c717cfed-445b-4a3b-94f9-780fbce1d0c9 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-02 12:59:24.739 1 INFO cinder.rpc [None req-c717cfed-445b-4a3b-94f9-780fbce1d0c9 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-02 12:59:24.741 1 INFO cinder.rpc [None req-c717cfed-445b-4a3b-94f9-780fbce1d0c9 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-02 12:59:24.743 1 INFO cinder.rpc [None req-c717cfed-445b-4a3b-94f9-780fbce1d0c9 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-02 12:59:24.815 1 WARNING oslo_config.cfg [None req-c717cfed-445b-4a3b-94f9-780fbce1d0c9 - - - - - -] 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 12:59:24.815 1 WARNING oslo_config.cfg [None req-c717cfed-445b-4a3b-94f9-780fbce1d0c9 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-02 12:59:24.823 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-02 12:59:24.847 1 INFO cinder.backup.manager [None req-66be9c3c-4bc0-4a59-816c-a151eb329a2f - - - - - -] Cleaning up incomplete backup operations.
2026-09-02 12:59:24.893 1 INFO cinder.keymgr.migration [None req-3dc3fe76-a5bf-4c2a-9dc3-87344aa5a6eb - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.