+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-26 07:35:02.566 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-26 07:35:02.855 1 INFO cinder.rpc [None req-8b797e74-471f-4011-9b97-1365a70389db - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-26 07:35:02.858 1 INFO cinder.rpc [None req-8b797e74-471f-4011-9b97-1365a70389db - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-26 07:35:02.860 1 INFO cinder.rpc [None req-8b797e74-471f-4011-9b97-1365a70389db - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-26 07:35:02.862 1 INFO cinder.rpc [None req-8b797e74-471f-4011-9b97-1365a70389db - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-26 07:35:02.865 1 INFO cinder.rpc [None req-8b797e74-471f-4011-9b97-1365a70389db - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-26 07:35:02.868 1 INFO cinder.rpc [None req-8b797e74-471f-4011-9b97-1365a70389db - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-26 07:35:02.974 1 WARNING oslo_config.cfg [None req-8b797e74-471f-4011-9b97-1365a70389db - - - - - -] 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. 2026-05-26 07:35:02.976 1 WARNING oslo_config.cfg [None req-8b797e74-471f-4011-9b97-1365a70389db - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-26 07:35:02.985 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-26 07:35:03.012 1 INFO cinder.backup.manager [None req-3e235137-8693-4dd8-ab45-c7f495239df5 - - - - - -] Cleaning up incomplete backup operations. 2026-05-26 07:35:03.078 1 INFO cinder.keymgr.migration [None req-4b635d6d-f34e-499d-991e-d357e9e29c04 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.