+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-24 21:06:47.994 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-24 21:06:48.266 1 INFO cinder.rpc [None req-438dd9df-96b3-4f5a-b6d1-271fb824f6d9 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-24 21:06:48.269 1 INFO cinder.rpc [None req-438dd9df-96b3-4f5a-b6d1-271fb824f6d9 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-24 21:06:48.271 1 INFO cinder.rpc [None req-438dd9df-96b3-4f5a-b6d1-271fb824f6d9 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-24 21:06:48.274 1 INFO cinder.rpc [None req-438dd9df-96b3-4f5a-b6d1-271fb824f6d9 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-24 21:06:48.277 1 INFO cinder.rpc [None req-438dd9df-96b3-4f5a-b6d1-271fb824f6d9 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-24 21:06:48.279 1 INFO cinder.rpc [None req-438dd9df-96b3-4f5a-b6d1-271fb824f6d9 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-24 21:06:48.351 1 WARNING oslo_config.cfg [None req-438dd9df-96b3-4f5a-b6d1-271fb824f6d9 - - - - - -] 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.
2026-08-24 21:06:48.352 1 WARNING oslo_config.cfg [None req-438dd9df-96b3-4f5a-b6d1-271fb824f6d9 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-24 21:06:48.363 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-24 21:06:48.388 1 INFO cinder.backup.manager [None req-4098792e-5666-47c8-aaf4-c5d9da2ff26a - - - - - -] Cleaning up incomplete backup operations.
2026-08-24 21:06:48.431 1 INFO cinder.keymgr.migration [None req-9799bb11-5dfa-44ca-adcb-069aa44b5311 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.