+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-19 08:27:30.163 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-19 08:27:30.470 1 INFO cinder.rpc [None req-6b3c4f6c-7a8e-446d-a728-694a8d5a3e6d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-19 08:27:30.473 1 INFO cinder.rpc [None req-6b3c4f6c-7a8e-446d-a728-694a8d5a3e6d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-19 08:27:30.475 1 INFO cinder.rpc [None req-6b3c4f6c-7a8e-446d-a728-694a8d5a3e6d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-19 08:27:30.477 1 INFO cinder.rpc [None req-6b3c4f6c-7a8e-446d-a728-694a8d5a3e6d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-19 08:27:30.481 1 INFO cinder.rpc [None req-6b3c4f6c-7a8e-446d-a728-694a8d5a3e6d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-19 08:27:30.484 1 INFO cinder.rpc [None req-6b3c4f6c-7a8e-446d-a728-694a8d5a3e6d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-19 08:27:30.550 1 WARNING oslo_config.cfg [None req-6b3c4f6c-7a8e-446d-a728-694a8d5a3e6d - - - - - -] 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 08:27:30.551 1 WARNING oslo_config.cfg [None req-6b3c4f6c-7a8e-446d-a728-694a8d5a3e6d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-19 08:27:30.561 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-19 08:27:30.585 1 INFO cinder.backup.manager [None req-d035ecaf-6159-4f80-98ca-28f1452ad0ce - - - - - -] Cleaning up incomplete backup operations. 2026-05-19 08:27:30.647 1 INFO cinder.keymgr.migration [None req-b06ebdcc-56f0-42bd-be26-48a8eb7fa70b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.