+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-14 10:00:28.765 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-14 10:00:29.048 1 INFO cinder.rpc [None req-902eed1e-194b-4b52-a5f4-60cf945495f6 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-14 10:00:29.050 1 INFO cinder.rpc [None req-902eed1e-194b-4b52-a5f4-60cf945495f6 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-14 10:00:29.052 1 INFO cinder.rpc [None req-902eed1e-194b-4b52-a5f4-60cf945495f6 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-14 10:00:29.055 1 INFO cinder.rpc [None req-902eed1e-194b-4b52-a5f4-60cf945495f6 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-14 10:00:29.057 1 INFO cinder.rpc [None req-902eed1e-194b-4b52-a5f4-60cf945495f6 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-14 10:00:29.060 1 INFO cinder.rpc [None req-902eed1e-194b-4b52-a5f4-60cf945495f6 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-14 10:00:29.121 1 WARNING oslo_config.cfg [None req-902eed1e-194b-4b52-a5f4-60cf945495f6 - - - - - -] 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. 2026-05-14 10:00:29.121 1 WARNING oslo_config.cfg [None req-902eed1e-194b-4b52-a5f4-60cf945495f6 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-14 10:00:29.132 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-14 10:00:29.158 1 INFO cinder.backup.manager [None req-34c6e583-ff9d-447b-b025-3a33b9d73154 - - - - - -] Cleaning up incomplete backup operations. 2026-05-14 10:00:29.220 1 INFO cinder.keymgr.migration [None req-20a5c06a-6671-4778-96c8-56e312d73b3e - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.