+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-22 13:07:38.523 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-22 13:07:38.777 1 INFO cinder.rpc [None req-2817aea4-60b5-4787-a87f-fe4c4b03ff30 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-22 13:07:38.782 1 INFO cinder.rpc [None req-2817aea4-60b5-4787-a87f-fe4c4b03ff30 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-08-22 13:07:38.787 1 INFO cinder.rpc [None req-2817aea4-60b5-4787-a87f-fe4c4b03ff30 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-22 13:07:38.790 1 INFO cinder.rpc [None req-2817aea4-60b5-4787-a87f-fe4c4b03ff30 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-08-22 13:07:38.793 1 INFO cinder.rpc [None req-2817aea4-60b5-4787-a87f-fe4c4b03ff30 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-22 13:07:38.797 1 INFO cinder.rpc [None req-2817aea4-60b5-4787-a87f-fe4c4b03ff30 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-22 13:07:38.851 1 WARNING oslo_config.cfg [None req-2817aea4-60b5-4787-a87f-fe4c4b03ff30 - - - - - -] 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.
2026-08-22 13:07:38.852 1 WARNING oslo_config.cfg [None req-2817aea4-60b5-4787-a87f-fe4c4b03ff30 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-22 13:07:38.866 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-08-22 13:07:38.886 1 INFO cinder.backup.manager [None req-60fee34b-060a-4829-8ed6-f7639aa69d85 - - - - - -] Cleaning up incomplete backup operations.
2026-08-22 13:07:39.057 1 INFO cinder.keymgr.migration [None req-719f1a2d-dcfa-4da7-8abe-515c5971303a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.