+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-12 11:28:36.210 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-12 11:28:36.487 1 INFO cinder.rpc [None req-85ea0025-27b7-481d-bb13-613a0cfaefb8 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-12 11:28:36.491 1 INFO cinder.rpc [None req-85ea0025-27b7-481d-bb13-613a0cfaefb8 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-12 11:28:36.493 1 INFO cinder.rpc [None req-85ea0025-27b7-481d-bb13-613a0cfaefb8 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-12 11:28:36.496 1 INFO cinder.rpc [None req-85ea0025-27b7-481d-bb13-613a0cfaefb8 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-12 11:28:36.499 1 INFO cinder.rpc [None req-85ea0025-27b7-481d-bb13-613a0cfaefb8 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-12 11:28:36.502 1 INFO cinder.rpc [None req-85ea0025-27b7-481d-bb13-613a0cfaefb8 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-12 11:28:36.566 1 WARNING oslo_config.cfg [None req-85ea0025-27b7-481d-bb13-613a0cfaefb8 - - - - - -] 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.
2026-08-12 11:28:36.567 1 WARNING oslo_config.cfg [None req-85ea0025-27b7-481d-bb13-613a0cfaefb8 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-12 11:28:36.578 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-12 11:28:36.603 1 INFO cinder.backup.manager [None req-2f9c3984-683d-4131-9320-983a4af4358d - - - - - -] Cleaning up incomplete backup operations.
2026-08-12 11:28:36.645 1 INFO cinder.keymgr.migration [None req-791c1786-8299-4034-a1ba-7ff93f77db2a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.