+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-10-16 00:38:23.582 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-10-16 00:38:23.841 1 INFO cinder.rpc [None req-0c1daf8a-1e35-429d-903a-e53087928ea9 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-10-16 00:38:23.845 1 INFO cinder.rpc [None req-0c1daf8a-1e35-429d-903a-e53087928ea9 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-10-16 00:38:23.847 1 INFO cinder.rpc [None req-0c1daf8a-1e35-429d-903a-e53087928ea9 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-10-16 00:38:23.849 1 INFO cinder.rpc [None req-0c1daf8a-1e35-429d-903a-e53087928ea9 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-10-16 00:38:23.851 1 INFO cinder.rpc [None req-0c1daf8a-1e35-429d-903a-e53087928ea9 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-10-16 00:38:23.853 1 INFO cinder.rpc [None req-0c1daf8a-1e35-429d-903a-e53087928ea9 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-10-16 00:38:23.909 1 WARNING oslo_config.cfg [None req-0c1daf8a-1e35-429d-903a-e53087928ea9 - - - - - -] 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. 2026-10-16 00:38:23.910 1 WARNING oslo_config.cfg [None req-0c1daf8a-1e35-429d-903a-e53087928ea9 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-10-16 00:38:23.918 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.0) 2026-10-16 00:38:23.940 1 INFO cinder.backup.manager [None req-813e23c6-db61-468f-8612-902fe94d637c - - - - - -] Cleaning up incomplete backup operations. 2026-10-16 00:38:23.992 1 INFO cinder.keymgr.migration [None req-54f0063b-1dd3-4d85-b0b6-c499b6f05540 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.