+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-19 04:26:25.012 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-19 04:26:25.297 1 INFO cinder.rpc [None req-aa49ba7a-6621-4a33-a4e3-7ebe46385338 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-19 04:26:25.299 1 INFO cinder.rpc [None req-aa49ba7a-6621-4a33-a4e3-7ebe46385338 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-19 04:26:25.301 1 INFO cinder.rpc [None req-aa49ba7a-6621-4a33-a4e3-7ebe46385338 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-19 04:26:25.303 1 INFO cinder.rpc [None req-aa49ba7a-6621-4a33-a4e3-7ebe46385338 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-19 04:26:25.305 1 INFO cinder.rpc [None req-aa49ba7a-6621-4a33-a4e3-7ebe46385338 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-19 04:26:25.309 1 INFO cinder.rpc [None req-aa49ba7a-6621-4a33-a4e3-7ebe46385338 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-19 04:26:25.381 1 WARNING oslo_config.cfg [None req-aa49ba7a-6621-4a33-a4e3-7ebe46385338 - - - - - -] 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. 2026-05-19 04:26:25.382 1 WARNING oslo_config.cfg [None req-aa49ba7a-6621-4a33-a4e3-7ebe46385338 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-19 04:26:25.393 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-19 04:26:25.418 1 INFO cinder.backup.manager [None req-a7e0486e-fdec-4f83-99e1-f581ee2e7d02 - - - - - -] Cleaning up incomplete backup operations. 2026-05-19 04:26:25.472 1 INFO cinder.keymgr.migration [None req-3197aeb7-ec9b-44ec-9825-5c27abb9840d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.