+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-06-28 20:21:07.924 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-06-28 20:21:08.153 1 INFO cinder.rpc [None req-49421e9e-0c83-407a-8274-3e8eaef84927 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-06-28 20:21:08.156 1 INFO cinder.rpc [None req-49421e9e-0c83-407a-8274-3e8eaef84927 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-06-28 20:21:08.158 1 INFO cinder.rpc [None req-49421e9e-0c83-407a-8274-3e8eaef84927 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-06-28 20:21:08.161 1 INFO cinder.rpc [None req-49421e9e-0c83-407a-8274-3e8eaef84927 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-06-28 20:21:08.164 1 INFO cinder.rpc [None req-49421e9e-0c83-407a-8274-3e8eaef84927 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-06-28 20:21:08.168 1 INFO cinder.rpc [None req-49421e9e-0c83-407a-8274-3e8eaef84927 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-06-28 20:21:08.222 1 WARNING oslo_config.cfg [None req-49421e9e-0c83-407a-8274-3e8eaef84927 - - - - - -] 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.
2026-06-28 20:21:08.223 1 WARNING oslo_config.cfg [None req-49421e9e-0c83-407a-8274-3e8eaef84927 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-06-28 20:21:08.234 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-06-28 20:21:08.252 1 INFO cinder.backup.manager [None req-f9ab9c21-fded-41c7-af74-b8b803a27f1e - - - - - -] Cleaning up incomplete backup operations.
2026-06-28 20:21:08.376 1 INFO cinder.keymgr.migration [None req-921c7b4b-35fd-4999-ba71-8cd9da267fb1 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.