+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-03-02 10:26:22.986 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-03-02 10:26:23.305 1 INFO cinder.rpc [None req-cb79f1a7-008f-44c3-a99e-072f85e6c334 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-03-02 10:26:23.309 1 INFO cinder.rpc [None req-cb79f1a7-008f-44c3-a99e-072f85e6c334 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-03-02 10:26:23.313 1 INFO cinder.rpc [None req-cb79f1a7-008f-44c3-a99e-072f85e6c334 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-03-02 10:26:23.317 1 INFO cinder.rpc [None req-cb79f1a7-008f-44c3-a99e-072f85e6c334 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-03-02 10:26:23.321 1 INFO cinder.rpc [None req-cb79f1a7-008f-44c3-a99e-072f85e6c334 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-03-02 10:26:23.324 1 INFO cinder.rpc [None req-cb79f1a7-008f-44c3-a99e-072f85e6c334 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-03-02 10:26:23.407 1 WARNING oslo_config.cfg [None req-cb79f1a7-008f-44c3-a99e-072f85e6c334 - - - - - -] 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. 2026-03-02 10:26:23.408 1 WARNING oslo_config.cfg [None req-cb79f1a7-008f-44c3-a99e-072f85e6c334 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-03-02 10:26:23.419 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-03-02 10:26:23.451 1 INFO cinder.backup.manager [None req-9438658e-6200-4140-aeba-cae1285168fb - - - - - -] Cleaning up incomplete backup operations. 2026-03-02 10:26:23.529 1 INFO cinder.keymgr.migration [None req-4151d9f2-7b76-4533-9dc4-ef6ee177f836 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.