+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-27 01:09:40.455 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-27 01:09:40.748 1 INFO cinder.rpc [None req-29ef824a-bb07-48c0-b9e2-3b8dc239670a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-27 01:09:40.751 1 INFO cinder.rpc [None req-29ef824a-bb07-48c0-b9e2-3b8dc239670a - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-27 01:09:40.753 1 INFO cinder.rpc [None req-29ef824a-bb07-48c0-b9e2-3b8dc239670a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-27 01:09:40.755 1 INFO cinder.rpc [None req-29ef824a-bb07-48c0-b9e2-3b8dc239670a - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-27 01:09:40.758 1 INFO cinder.rpc [None req-29ef824a-bb07-48c0-b9e2-3b8dc239670a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-27 01:09:40.761 1 INFO cinder.rpc [None req-29ef824a-bb07-48c0-b9e2-3b8dc239670a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-27 01:09:40.819 1 WARNING oslo_config.cfg [None req-29ef824a-bb07-48c0-b9e2-3b8dc239670a - - - - - -] 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. 2026-05-27 01:09:40.821 1 WARNING oslo_config.cfg [None req-29ef824a-bb07-48c0-b9e2-3b8dc239670a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-27 01:09:40.829 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-05-27 01:09:40.853 1 INFO cinder.backup.manager [None req-02958de5-52de-4d8e-89c6-dc5aeea56616 - - - - - -] Cleaning up incomplete backup operations. 2026-05-27 01:09:40.905 1 INFO cinder.keymgr.migration [None req-798d5da9-9dc6-45ee-842d-07eae17c955e - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.