+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-10-02 15:44:48.600 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-10-02 15:44:48.819 1 INFO cinder.rpc [None req-aa55dab7-e524-4886-9dd5-b8e91a409695 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-10-02 15:44:48.822 1 INFO cinder.rpc [None req-aa55dab7-e524-4886-9dd5-b8e91a409695 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-10-02 15:44:48.826 1 INFO cinder.rpc [None req-aa55dab7-e524-4886-9dd5-b8e91a409695 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-10-02 15:44:48.829 1 INFO cinder.rpc [None req-aa55dab7-e524-4886-9dd5-b8e91a409695 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-10-02 15:44:48.833 1 INFO cinder.rpc [None req-aa55dab7-e524-4886-9dd5-b8e91a409695 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-10-02 15:44:48.840 1 INFO cinder.rpc [None req-aa55dab7-e524-4886-9dd5-b8e91a409695 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-10-02 15:44:48.906 1 WARNING oslo_config.cfg [None req-aa55dab7-e524-4886-9dd5-b8e91a409695 - - - - - -] 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. 2026-10-02 15:44:48.907 1 WARNING oslo_config.cfg [None req-aa55dab7-e524-4886-9dd5-b8e91a409695 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-10-02 15:44:48.917 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.2) 2026-10-02 15:44:48.936 1 INFO cinder.backup.manager [None req-9863f8bf-cb2e-4fe5-a303-5448f0273e9f - - - - - -] Cleaning up incomplete backup operations. 2026-10-02 15:44:49.122 1 INFO cinder.keymgr.migration [None req-c31fcd64-cbd1-4433-8901-5548219ad8e1 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.