+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-08 10:48:27.992 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-08 10:48:28.262 1 INFO cinder.rpc [None req-ac2b4840-f593-468f-9dcc-ab37ecc60c23 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-08 10:48:28.264 1 INFO cinder.rpc [None req-ac2b4840-f593-468f-9dcc-ab37ecc60c23 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-08 10:48:28.266 1 INFO cinder.rpc [None req-ac2b4840-f593-468f-9dcc-ab37ecc60c23 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-08 10:48:28.268 1 INFO cinder.rpc [None req-ac2b4840-f593-468f-9dcc-ab37ecc60c23 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-08 10:48:28.271 1 INFO cinder.rpc [None req-ac2b4840-f593-468f-9dcc-ab37ecc60c23 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-08 10:48:28.273 1 INFO cinder.rpc [None req-ac2b4840-f593-468f-9dcc-ab37ecc60c23 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-08 10:48:28.333 1 WARNING oslo_config.cfg [None req-ac2b4840-f593-468f-9dcc-ab37ecc60c23 - - - - - -] 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. 2026-05-08 10:48:28.334 1 WARNING oslo_config.cfg [None req-ac2b4840-f593-468f-9dcc-ab37ecc60c23 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-08 10:48:28.344 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-05-08 10:48:28.368 1 INFO cinder.backup.manager [None req-1fd95e36-a791-411b-886b-34c2c9fdab9d - - - - - -] Cleaning up incomplete backup operations. 2026-05-08 10:48:28.423 1 INFO cinder.keymgr.migration [None req-bff0e910-952a-4575-8ec3-6a085f7d8e2c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.