+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-05 11:44:55.580 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-05 11:44:55.813 1 INFO cinder.rpc [None req-4bbd6261-735b-4d26-937e-a4aec5193099 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-05 11:44:55.818 1 INFO cinder.rpc [None req-4bbd6261-735b-4d26-937e-a4aec5193099 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-05 11:44:55.821 1 INFO cinder.rpc [None req-4bbd6261-735b-4d26-937e-a4aec5193099 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-05 11:44:55.825 1 INFO cinder.rpc [None req-4bbd6261-735b-4d26-937e-a4aec5193099 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-05 11:44:55.829 1 INFO cinder.rpc [None req-4bbd6261-735b-4d26-937e-a4aec5193099 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-05 11:44:55.832 1 INFO cinder.rpc [None req-4bbd6261-735b-4d26-937e-a4aec5193099 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-05 11:44:55.965 1 WARNING oslo_config.cfg [None req-4bbd6261-735b-4d26-937e-a4aec5193099 - - - - - -] 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. 2026-05-05 11:44:55.966 1 WARNING oslo_config.cfg [None req-4bbd6261-735b-4d26-937e-a4aec5193099 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-05 11:44:55.978 1 INFO cinder.service [-] Starting cinder-backup node (version 23.5.0) 2026-05-05 11:44:55.996 1 INFO cinder.backup.manager [None req-3ba27f2f-7f1f-4af9-a4a8-f35f5f1486bc - - - - - -] Cleaning up incomplete backup operations. 2026-05-05 11:44:56.055 1 INFO cinder.keymgr.migration [None req-7141d06f-53c8-441d-bb90-8a3e1d759be7 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.