+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-20 02:16:28.736 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-20 02:16:29.013 1 INFO cinder.rpc [None req-2a4efaa4-49b9-4da7-87ed-ef94136c013d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-20 02:16:29.015 1 INFO cinder.rpc [None req-2a4efaa4-49b9-4da7-87ed-ef94136c013d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-20 02:16:29.018 1 INFO cinder.rpc [None req-2a4efaa4-49b9-4da7-87ed-ef94136c013d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-20 02:16:29.021 1 INFO cinder.rpc [None req-2a4efaa4-49b9-4da7-87ed-ef94136c013d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-20 02:16:29.023 1 INFO cinder.rpc [None req-2a4efaa4-49b9-4da7-87ed-ef94136c013d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-20 02:16:29.026 1 INFO cinder.rpc [None req-2a4efaa4-49b9-4da7-87ed-ef94136c013d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-20 02:16:29.087 1 WARNING oslo_config.cfg [None req-2a4efaa4-49b9-4da7-87ed-ef94136c013d - - - - - -] 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. 2026-05-20 02:16:29.088 1 WARNING oslo_config.cfg [None req-2a4efaa4-49b9-4da7-87ed-ef94136c013d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-20 02:16:29.099 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-20 02:16:29.124 1 INFO cinder.backup.manager [None req-bb8965d6-cf62-4ae5-88d7-8069189f1e4b - - - - - -] Cleaning up incomplete backup operations. 2026-05-20 02:16:29.188 1 INFO cinder.keymgr.migration [None req-9d7bbc8b-ac0b-490c-9b8b-c612e1364f7c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.