+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-12 06:15:16.113 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-12 06:15:16.341 1 INFO cinder.rpc [None req-b78bccb5-93bf-4b7e-ab31-bb7828a52a35 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-12 06:15:16.344 1 INFO cinder.rpc [None req-b78bccb5-93bf-4b7e-ab31-bb7828a52a35 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-05-12 06:15:16.347 1 INFO cinder.rpc [None req-b78bccb5-93bf-4b7e-ab31-bb7828a52a35 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-12 06:15:16.351 1 INFO cinder.rpc [None req-b78bccb5-93bf-4b7e-ab31-bb7828a52a35 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-12 06:15:16.354 1 INFO cinder.rpc [None req-b78bccb5-93bf-4b7e-ab31-bb7828a52a35 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-12 06:15:16.358 1 INFO cinder.rpc [None req-b78bccb5-93bf-4b7e-ab31-bb7828a52a35 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-12 06:15:16.452 1 WARNING oslo_config.cfg [None req-b78bccb5-93bf-4b7e-ab31-bb7828a52a35 - - - - - -] 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. 2026-05-12 06:15:16.453 1 WARNING oslo_config.cfg [None req-b78bccb5-93bf-4b7e-ab31-bb7828a52a35 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-12 06:15:16.464 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-05-12 06:15:16.482 1 INFO cinder.backup.manager [None req-9f8c6e49-4a75-42a6-bb2f-6495a08e9901 - - - - - -] Cleaning up incomplete backup operations. 2026-05-12 06:15:16.623 1 INFO cinder.keymgr.migration [None req-4a1d7695-0fd4-4e3d-9689-d29a7ec052e6 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.