+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-13 08:14:03.586 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-13 08:14:03.882 1 INFO cinder.rpc [None req-3ba7d43f-2384-4945-a6b0-31cdcc200b32 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-13 08:14:03.884 1 INFO cinder.rpc [None req-3ba7d43f-2384-4945-a6b0-31cdcc200b32 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-13 08:14:03.887 1 INFO cinder.rpc [None req-3ba7d43f-2384-4945-a6b0-31cdcc200b32 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-13 08:14:03.890 1 INFO cinder.rpc [None req-3ba7d43f-2384-4945-a6b0-31cdcc200b32 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-13 08:14:03.892 1 INFO cinder.rpc [None req-3ba7d43f-2384-4945-a6b0-31cdcc200b32 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-13 08:14:03.895 1 INFO cinder.rpc [None req-3ba7d43f-2384-4945-a6b0-31cdcc200b32 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-13 08:14:03.963 1 WARNING oslo_config.cfg [None req-3ba7d43f-2384-4945-a6b0-31cdcc200b32 - - - - - -] 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.
2026-08-13 08:14:03.964 1 WARNING oslo_config.cfg [None req-3ba7d43f-2384-4945-a6b0-31cdcc200b32 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-13 08:14:03.975 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-08-13 08:14:04.000 1 INFO cinder.backup.manager [None req-6d4b690e-bf0d-47aa-892e-f6160e9167e5 - - - - - -] Cleaning up incomplete backup operations.
2026-08-13 08:14:04.060 1 INFO cinder.keymgr.migration [None req-e1892cce-8b1e-49a1-bbbb-c87e4bf0a79d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.