+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-27 13:47:50.088 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-27 13:47:50.398 1 INFO cinder.rpc [None req-5fb6999c-aef5-42b8-abe1-e7947a711cdf - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-27 13:47:50.401 1 INFO cinder.rpc [None req-5fb6999c-aef5-42b8-abe1-e7947a711cdf - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-27 13:47:50.404 1 INFO cinder.rpc [None req-5fb6999c-aef5-42b8-abe1-e7947a711cdf - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-27 13:47:50.407 1 INFO cinder.rpc [None req-5fb6999c-aef5-42b8-abe1-e7947a711cdf - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-07-27 13:47:50.410 1 INFO cinder.rpc [None req-5fb6999c-aef5-42b8-abe1-e7947a711cdf - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-27 13:47:50.413 1 INFO cinder.rpc [None req-5fb6999c-aef5-42b8-abe1-e7947a711cdf - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-27 13:47:50.488 1 WARNING oslo_config.cfg [None req-5fb6999c-aef5-42b8-abe1-e7947a711cdf - - - - - -] 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.
2026-07-27 13:47:50.490 1 WARNING oslo_config.cfg [None req-5fb6999c-aef5-42b8-abe1-e7947a711cdf - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-27 13:47:50.500 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1)
2026-07-27 13:47:50.524 1 INFO cinder.backup.manager [None req-0edf973c-ea0c-4d76-a4d6-8f9f7f3687a4 - - - - - -] Cleaning up incomplete backup operations.
2026-07-27 13:47:50.583 1 INFO cinder.keymgr.migration [None req-8893b840-a3db-41c4-a192-4890acb9c189 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.