+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-02-28 21:59:36.074 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-02-28 21:59:36.376 1 INFO cinder.rpc [None req-5e43a36d-65ea-43c8-859e-076b71e45a64 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-02-28 21:59:36.379 1 INFO cinder.rpc [None req-5e43a36d-65ea-43c8-859e-076b71e45a64 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-02-28 21:59:36.382 1 INFO cinder.rpc [None req-5e43a36d-65ea-43c8-859e-076b71e45a64 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-02-28 21:59:36.385 1 INFO cinder.rpc [None req-5e43a36d-65ea-43c8-859e-076b71e45a64 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-02-28 21:59:36.388 1 INFO cinder.rpc [None req-5e43a36d-65ea-43c8-859e-076b71e45a64 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-02-28 21:59:36.391 1 INFO cinder.rpc [None req-5e43a36d-65ea-43c8-859e-076b71e45a64 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-02-28 21:59:36.456 1 WARNING oslo_config.cfg [None req-5e43a36d-65ea-43c8-859e-076b71e45a64 - - - - - -] 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.
2026-02-28 21:59:36.457 1 WARNING oslo_config.cfg [None req-5e43a36d-65ea-43c8-859e-076b71e45a64 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-02-28 21:59:36.465 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-02-28 21:59:36.489 1 INFO cinder.backup.manager [None req-cec110ca-ea9f-45d9-b1c4-b4f093e9b776 - - - - - -] Cleaning up incomplete backup operations.
2026-02-28 21:59:36.552 1 INFO cinder.keymgr.migration [None req-836065cc-3577-4b67-a124-5d141b983616 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.