+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-02-27 18:42:45.284 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-02-27 18:42:45.508 1 INFO cinder.rpc [None req-ea00b35a-f638-4ae1-89d9-1697d91651b6 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-02-27 18:42:45.511 1 INFO cinder.rpc [None req-ea00b35a-f638-4ae1-89d9-1697d91651b6 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-02-27 18:42:45.513 1 INFO cinder.rpc [None req-ea00b35a-f638-4ae1-89d9-1697d91651b6 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-02-27 18:42:45.516 1 INFO cinder.rpc [None req-ea00b35a-f638-4ae1-89d9-1697d91651b6 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-02-27 18:42:45.519 1 INFO cinder.rpc [None req-ea00b35a-f638-4ae1-89d9-1697d91651b6 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-02-27 18:42:45.522 1 INFO cinder.rpc [None req-ea00b35a-f638-4ae1-89d9-1697d91651b6 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-02-27 18:42:45.574 1 WARNING oslo_config.cfg [None req-ea00b35a-f638-4ae1-89d9-1697d91651b6 - - - - - -] 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.
2026-02-27 18:42:45.575 1 WARNING oslo_config.cfg [None req-ea00b35a-f638-4ae1-89d9-1697d91651b6 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-02-27 18:42:45.587 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-02-27 18:42:45.605 1 INFO cinder.backup.manager [None req-bf2366ee-6b67-4c91-aafc-baf70c02dea8 - - - - - -] Cleaning up incomplete backup operations.
2026-02-27 18:42:45.730 1 INFO cinder.keymgr.migration [None req-73840746-1f11-4f05-ab5b-602406cd17b0 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.