+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-28 13:06:51.207 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-28 13:06:51.503 1 INFO cinder.rpc [None req-30e5772f-ddc9-4aaf-bca1-909a0282641e - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-28 13:06:51.507 1 INFO cinder.rpc [None req-30e5772f-ddc9-4aaf-bca1-909a0282641e - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-28 13:06:51.511 1 INFO cinder.rpc [None req-30e5772f-ddc9-4aaf-bca1-909a0282641e - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-28 13:06:51.513 1 INFO cinder.rpc [None req-30e5772f-ddc9-4aaf-bca1-909a0282641e - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-28 13:06:51.517 1 INFO cinder.rpc [None req-30e5772f-ddc9-4aaf-bca1-909a0282641e - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-28 13:06:51.520 1 INFO cinder.rpc [None req-30e5772f-ddc9-4aaf-bca1-909a0282641e - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-28 13:06:51.623 1 WARNING oslo_config.cfg [None req-30e5772f-ddc9-4aaf-bca1-909a0282641e - - - - - -] 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. 2026-05-28 13:06:51.624 1 WARNING oslo_config.cfg [None req-30e5772f-ddc9-4aaf-bca1-909a0282641e - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-28 13:06:51.634 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-28 13:06:51.660 1 INFO cinder.backup.manager [None req-db0d21f4-edfa-4f14-8b7f-bb215a463b4d - - - - - -] Cleaning up incomplete backup operations. 2026-05-28 13:06:51.733 1 INFO cinder.keymgr.migration [None req-b7121cc8-f8fa-41e7-aa57-e43d2f10a218 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.