+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-07 00:33:28.631 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-07 00:33:28.866 1 INFO cinder.rpc [None req-15154148-80e6-47f1-bada-a2a8e7d211c9 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-07 00:33:28.869 1 INFO cinder.rpc [None req-15154148-80e6-47f1-bada-a2a8e7d211c9 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-04-07 00:33:28.875 1 INFO cinder.rpc [None req-15154148-80e6-47f1-bada-a2a8e7d211c9 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-07 00:33:28.879 1 INFO cinder.rpc [None req-15154148-80e6-47f1-bada-a2a8e7d211c9 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-04-07 00:33:28.882 1 INFO cinder.rpc [None req-15154148-80e6-47f1-bada-a2a8e7d211c9 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-07 00:33:28.885 1 INFO cinder.rpc [None req-15154148-80e6-47f1-bada-a2a8e7d211c9 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-07 00:33:28.937 1 WARNING oslo_config.cfg [None req-15154148-80e6-47f1-bada-a2a8e7d211c9 - - - - - -] 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. 2026-04-07 00:33:28.938 1 WARNING oslo_config.cfg [None req-15154148-80e6-47f1-bada-a2a8e7d211c9 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-07 00:33:28.949 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-04-07 00:33:28.967 1 INFO cinder.backup.manager [None req-6df9bf3d-f58b-4cf9-998c-e2d221ef1a5f - - - - - -] Cleaning up incomplete backup operations. 2026-04-07 00:33:29.094 1 INFO cinder.keymgr.migration [None req-964d2e0d-02fe-4b4f-a488-225867b880a4 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.