+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-06-02 21:55:34.466 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-06-02 21:55:34.781 1 INFO cinder.rpc [None req-7c21d016-947f-400e-97b9-74217bfaa832 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-06-02 21:55:34.785 1 INFO cinder.rpc [None req-7c21d016-947f-400e-97b9-74217bfaa832 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-06-02 21:55:34.788 1 INFO cinder.rpc [None req-7c21d016-947f-400e-97b9-74217bfaa832 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-06-02 21:55:34.791 1 INFO cinder.rpc [None req-7c21d016-947f-400e-97b9-74217bfaa832 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-06-02 21:55:34.798 1 INFO cinder.rpc [None req-7c21d016-947f-400e-97b9-74217bfaa832 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-06-02 21:55:34.802 1 INFO cinder.rpc [None req-7c21d016-947f-400e-97b9-74217bfaa832 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-06-02 21:55:34.868 1 WARNING oslo_config.cfg [None req-7c21d016-947f-400e-97b9-74217bfaa832 - - - - - -] 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. 2026-06-02 21:55:34.869 1 WARNING oslo_config.cfg [None req-7c21d016-947f-400e-97b9-74217bfaa832 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-06-02 21:55:34.879 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-06-02 21:55:34.903 1 INFO cinder.backup.manager [None req-46d2b770-fad9-4683-821a-24cf4427fad4 - - - - - -] Cleaning up incomplete backup operations. 2026-06-02 21:55:34.969 1 INFO cinder.keymgr.migration [None req-10152876-ddd3-4acb-a2f3-cf006eeed7a9 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.