+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-27 20:14:28.736 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-27 20:14:29.032 1 INFO cinder.rpc [None req-76dac06b-b95e-4cef-82a6-098bbd3c8685 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-27 20:14:29.036 1 INFO cinder.rpc [None req-76dac06b-b95e-4cef-82a6-098bbd3c8685 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-05-27 20:14:29.057 1 INFO cinder.rpc [None req-76dac06b-b95e-4cef-82a6-098bbd3c8685 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-27 20:14:29.060 1 INFO cinder.rpc [None req-76dac06b-b95e-4cef-82a6-098bbd3c8685 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-05-27 20:14:29.064 1 INFO cinder.rpc [None req-76dac06b-b95e-4cef-82a6-098bbd3c8685 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-27 20:14:29.067 1 INFO cinder.rpc [None req-76dac06b-b95e-4cef-82a6-098bbd3c8685 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-27 20:14:29.153 1 WARNING oslo_config.cfg [None req-76dac06b-b95e-4cef-82a6-098bbd3c8685 - - - - - -] 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.
2026-05-27 20:14:29.154 1 WARNING oslo_config.cfg [None req-76dac06b-b95e-4cef-82a6-098bbd3c8685 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-27 20:14:29.168 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1)
2026-05-27 20:14:29.196 1 INFO cinder.backup.manager [None req-6909177f-7c7d-4982-b82e-06b49a2028c2 - - - - - -] Cleaning up incomplete backup operations.
2026-05-27 20:14:29.264 1 INFO cinder.keymgr.migration [None req-fc9c86dc-4ead-4f97-b35f-9dafeed4aee3 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.