+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-15 03:05:20.139 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-15 03:05:20.368 1 INFO cinder.rpc [None req-6323c33c-3355-45d8-96a7-5e7cd8c28de9 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-15 03:05:20.371 1 INFO cinder.rpc [None req-6323c33c-3355-45d8-96a7-5e7cd8c28de9 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-08-15 03:05:20.374 1 INFO cinder.rpc [None req-6323c33c-3355-45d8-96a7-5e7cd8c28de9 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-15 03:05:20.377 1 INFO cinder.rpc [None req-6323c33c-3355-45d8-96a7-5e7cd8c28de9 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-08-15 03:05:20.380 1 INFO cinder.rpc [None req-6323c33c-3355-45d8-96a7-5e7cd8c28de9 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-15 03:05:20.384 1 INFO cinder.rpc [None req-6323c33c-3355-45d8-96a7-5e7cd8c28de9 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-15 03:05:20.437 1 WARNING oslo_config.cfg [None req-6323c33c-3355-45d8-96a7-5e7cd8c28de9 - - - - - -] 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.
2026-08-15 03:05:20.438 1 WARNING oslo_config.cfg [None req-6323c33c-3355-45d8-96a7-5e7cd8c28de9 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-15 03:05:20.451 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-08-15 03:05:20.471 1 INFO cinder.backup.manager [None req-8fc529a1-0f36-40cc-8f65-7be677c5012c - - - - - -] Cleaning up incomplete backup operations.
2026-08-15 03:05:20.641 1 INFO cinder.keymgr.migration [None req-56cda5c7-b763-40ef-b666-00b313fd3c86 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.