+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-02-27 17:17:17.959 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-02-27 17:17:18.186 1 INFO cinder.rpc [None req-ac95dbdb-be62-4c56-aa8d-96dc99c62ffb - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-02-27 17:17:18.189 1 INFO cinder.rpc [None req-ac95dbdb-be62-4c56-aa8d-96dc99c62ffb - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-02-27 17:17:18.192 1 INFO cinder.rpc [None req-ac95dbdb-be62-4c56-aa8d-96dc99c62ffb - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-02-27 17:17:18.196 1 INFO cinder.rpc [None req-ac95dbdb-be62-4c56-aa8d-96dc99c62ffb - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-02-27 17:17:18.201 1 INFO cinder.rpc [None req-ac95dbdb-be62-4c56-aa8d-96dc99c62ffb - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-02-27 17:17:18.205 1 INFO cinder.rpc [None req-ac95dbdb-be62-4c56-aa8d-96dc99c62ffb - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-02-27 17:17:18.267 1 WARNING oslo_config.cfg [None req-ac95dbdb-be62-4c56-aa8d-96dc99c62ffb - - - - - -] 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 17:17:18.269 1 WARNING oslo_config.cfg [None req-ac95dbdb-be62-4c56-aa8d-96dc99c62ffb - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-02-27 17:17:18.281 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-02-27 17:17:18.308 1 INFO cinder.backup.manager [None req-891e3cf3-3f19-460c-b9f9-dc42865fdd2c - - - - - -] Cleaning up incomplete backup operations.
2026-02-27 17:17:18.440 1 INFO cinder.keymgr.migration [None req-3f992130-4a55-4e04-958f-907935ee6cd2 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.