+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-14 23:33:28.318 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-14 23:33:28.576 1 INFO cinder.rpc [None req-d8111ae7-f6fc-4d87-8c09-b5afd62c9771 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-14 23:33:28.579 1 INFO cinder.rpc [None req-d8111ae7-f6fc-4d87-8c09-b5afd62c9771 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-07-14 23:33:28.582 1 INFO cinder.rpc [None req-d8111ae7-f6fc-4d87-8c09-b5afd62c9771 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-14 23:33:28.584 1 INFO cinder.rpc [None req-d8111ae7-f6fc-4d87-8c09-b5afd62c9771 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-07-14 23:33:28.587 1 INFO cinder.rpc [None req-d8111ae7-f6fc-4d87-8c09-b5afd62c9771 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-14 23:33:28.590 1 INFO cinder.rpc [None req-d8111ae7-f6fc-4d87-8c09-b5afd62c9771 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-14 23:33:28.643 1 WARNING oslo_config.cfg [None req-d8111ae7-f6fc-4d87-8c09-b5afd62c9771 - - - - - -] 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.
2026-07-14 23:33:28.644 1 WARNING oslo_config.cfg [None req-d8111ae7-f6fc-4d87-8c09-b5afd62c9771 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-14 23:33:28.654 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-07-14 23:33:28.672 1 INFO cinder.backup.manager [None req-0cd1ad09-bd31-4f05-9f71-04d03799928d - - - - - -] Cleaning up incomplete backup operations.
2026-07-14 23:33:28.806 1 INFO cinder.keymgr.migration [None req-8f6ecf31-6b24-4920-b5e2-be172fa6ffb4 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.