+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-02 17:10:30.102 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-02 17:10:30.376 1 INFO cinder.rpc [None req-0f722b65-0697-4431-879e-2bed8876c198 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-02 17:10:30.379 1 INFO cinder.rpc [None req-0f722b65-0697-4431-879e-2bed8876c198 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-02 17:10:30.381 1 INFO cinder.rpc [None req-0f722b65-0697-4431-879e-2bed8876c198 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-02 17:10:30.383 1 INFO cinder.rpc [None req-0f722b65-0697-4431-879e-2bed8876c198 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-02 17:10:30.386 1 INFO cinder.rpc [None req-0f722b65-0697-4431-879e-2bed8876c198 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-02 17:10:30.389 1 INFO cinder.rpc [None req-0f722b65-0697-4431-879e-2bed8876c198 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-02 17:10:30.462 1 WARNING oslo_config.cfg [None req-0f722b65-0697-4431-879e-2bed8876c198 - - - - - -] 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. 2026-04-02 17:10:30.463 1 WARNING oslo_config.cfg [None req-0f722b65-0697-4431-879e-2bed8876c198 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-02 17:10:30.471 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-02 17:10:30.495 1 INFO cinder.backup.manager [None req-a21b7c2c-bcf6-457c-afb0-1e176ff3e6f3 - - - - - -] Cleaning up incomplete backup operations. 2026-04-02 17:10:30.551 1 INFO cinder.keymgr.migration [None req-98585caa-fef3-4a7b-8f62-42715e3bd2e6 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.