+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-10-02 15:45:19.725 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-10-02 15:45:19.936 1 INFO cinder.rpc [None req-cbc0d2bf-8759-4dba-8a72-68a3fa3f8335 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-10-02 15:45:19.939 1 INFO cinder.rpc [None req-cbc0d2bf-8759-4dba-8a72-68a3fa3f8335 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-10-02 15:45:19.944 1 INFO cinder.rpc [None req-cbc0d2bf-8759-4dba-8a72-68a3fa3f8335 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-10-02 15:45:19.949 1 INFO cinder.rpc [None req-cbc0d2bf-8759-4dba-8a72-68a3fa3f8335 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-10-02 15:45:19.953 1 INFO cinder.rpc [None req-cbc0d2bf-8759-4dba-8a72-68a3fa3f8335 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-10-02 15:45:19.958 1 INFO cinder.rpc [None req-cbc0d2bf-8759-4dba-8a72-68a3fa3f8335 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-10-02 15:45:20.017 1 WARNING oslo_config.cfg [None req-cbc0d2bf-8759-4dba-8a72-68a3fa3f8335 - - - - - -] 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 15:45:20.018 1 WARNING oslo_config.cfg [None req-cbc0d2bf-8759-4dba-8a72-68a3fa3f8335 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-10-02 15:45:20.028 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.2) 2026-10-02 15:45:20.045 1 INFO cinder.backup.manager [None req-45deb210-35a1-4708-ac45-06d5469bbb07 - - - - - -] Cleaning up incomplete backup operations. 2026-10-02 15:45:20.170 1 INFO cinder.keymgr.migration [None req-c52632bb-2d6e-4955-9224-434586a2190e - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.