+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-26 21:35:13.622 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-26 21:35:13.945 1 INFO cinder.rpc [None req-1ac4a13d-14ad-4f6b-9437-6830edd4a7f9 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-26 21:35:13.948 1 INFO cinder.rpc [None req-1ac4a13d-14ad-4f6b-9437-6830edd4a7f9 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-26 21:35:13.950 1 INFO cinder.rpc [None req-1ac4a13d-14ad-4f6b-9437-6830edd4a7f9 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-26 21:35:13.952 1 INFO cinder.rpc [None req-1ac4a13d-14ad-4f6b-9437-6830edd4a7f9 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-26 21:35:13.955 1 INFO cinder.rpc [None req-1ac4a13d-14ad-4f6b-9437-6830edd4a7f9 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-26 21:35:13.958 1 INFO cinder.rpc [None req-1ac4a13d-14ad-4f6b-9437-6830edd4a7f9 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-26 21:35:14.023 1 WARNING oslo_config.cfg [None req-1ac4a13d-14ad-4f6b-9437-6830edd4a7f9 - - - - - -] 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. 2026-05-26 21:35:14.024 1 WARNING oslo_config.cfg [None req-1ac4a13d-14ad-4f6b-9437-6830edd4a7f9 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-26 21:35:14.032 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-05-26 21:35:14.057 1 INFO cinder.backup.manager [None req-acf4cf96-bf80-4465-9fa9-e41e4dfd5d52 - - - - - -] Cleaning up incomplete backup operations. 2026-05-26 21:35:14.121 1 INFO cinder.keymgr.migration [None req-a94ededa-5ffc-4794-903f-7a88c2130131 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.