+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-03-02 21:47:26.913 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-03-02 21:47:27.206 1 INFO cinder.rpc [None req-a33fd03d-920a-4124-9cda-e4375ba67f13 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-03-02 21:47:27.210 1 INFO cinder.rpc [None req-a33fd03d-920a-4124-9cda-e4375ba67f13 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-03-02 21:47:27.212 1 INFO cinder.rpc [None req-a33fd03d-920a-4124-9cda-e4375ba67f13 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-03-02 21:47:27.214 1 INFO cinder.rpc [None req-a33fd03d-920a-4124-9cda-e4375ba67f13 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-03-02 21:47:27.218 1 INFO cinder.rpc [None req-a33fd03d-920a-4124-9cda-e4375ba67f13 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-03-02 21:47:27.221 1 INFO cinder.rpc [None req-a33fd03d-920a-4124-9cda-e4375ba67f13 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-03-02 21:47:27.285 1 WARNING oslo_config.cfg [None req-a33fd03d-920a-4124-9cda-e4375ba67f13 - - - - - -] 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. 2026-03-02 21:47:27.287 1 WARNING oslo_config.cfg [None req-a33fd03d-920a-4124-9cda-e4375ba67f13 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-03-02 21:47:27.296 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-03-02 21:47:27.321 1 INFO cinder.backup.manager [None req-74b8b0c4-3344-4505-9f9b-525cded3b882 - - - - - -] Cleaning up incomplete backup operations. 2026-03-02 21:47:27.398 1 INFO cinder.keymgr.migration [None req-d7fe91ec-2253-4603-9be3-f3ccc6caf811 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.