+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-02 15:49:51.009 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-02 15:49:51.243 1 INFO cinder.rpc [None req-475ab3f2-ecdc-46eb-933f-65495eb9bea5 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-02 15:49:51.248 1 INFO cinder.rpc [None req-475ab3f2-ecdc-46eb-933f-65495eb9bea5 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-07-02 15:49:51.251 1 INFO cinder.rpc [None req-475ab3f2-ecdc-46eb-933f-65495eb9bea5 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-02 15:49:51.254 1 INFO cinder.rpc [None req-475ab3f2-ecdc-46eb-933f-65495eb9bea5 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-07-02 15:49:51.258 1 INFO cinder.rpc [None req-475ab3f2-ecdc-46eb-933f-65495eb9bea5 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-02 15:49:51.263 1 INFO cinder.rpc [None req-475ab3f2-ecdc-46eb-933f-65495eb9bea5 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-02 15:49:51.319 1 WARNING oslo_config.cfg [None req-475ab3f2-ecdc-46eb-933f-65495eb9bea5 - - - - - -] 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.
2026-07-02 15:49:51.321 1 WARNING oslo_config.cfg [None req-475ab3f2-ecdc-46eb-933f-65495eb9bea5 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-02 15:49:51.333 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-07-02 15:49:51.352 1 INFO cinder.backup.manager [None req-8cd1cb8e-8c97-4552-8c42-a51a4b09cc57 - - - - - -] Cleaning up incomplete backup operations.
2026-07-02 15:49:51.496 1 INFO cinder.keymgr.migration [None req-4e9599c4-03c8-4490-8b33-d904698c2300 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.