+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-02-27 21:26:00.028 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-02-27 21:26:00.255 1 INFO cinder.rpc [None req-411a4d88-e088-4e1e-9a5b-1287139f0a49 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-02-27 21:26:00.258 1 INFO cinder.rpc [None req-411a4d88-e088-4e1e-9a5b-1287139f0a49 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-02-27 21:26:00.261 1 INFO cinder.rpc [None req-411a4d88-e088-4e1e-9a5b-1287139f0a49 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-02-27 21:26:00.264 1 INFO cinder.rpc [None req-411a4d88-e088-4e1e-9a5b-1287139f0a49 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-02-27 21:26:00.267 1 INFO cinder.rpc [None req-411a4d88-e088-4e1e-9a5b-1287139f0a49 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-02-27 21:26:00.269 1 INFO cinder.rpc [None req-411a4d88-e088-4e1e-9a5b-1287139f0a49 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-02-27 21:26:00.421 1 WARNING oslo_config.cfg [None req-411a4d88-e088-4e1e-9a5b-1287139f0a49 - - - - - -] 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. 2026-02-27 21:26:00.422 1 WARNING oslo_config.cfg [None req-411a4d88-e088-4e1e-9a5b-1287139f0a49 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-02-27 21:26:00.434 1 INFO cinder.service [-] Starting cinder-backup node (version 23.5.0) 2026-02-27 21:26:00.453 1 INFO cinder.backup.manager [None req-3c71459d-6512-4626-90fb-69ee86a2d7e6 - - - - - -] Cleaning up incomplete backup operations. 2026-02-27 21:26:00.507 1 INFO cinder.keymgr.migration [None req-8eb813d3-4a80-4c1d-9db8-4aa398a4a562 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.