+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-26 09:08:37.698 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-26 09:08:38.021 1 INFO cinder.rpc [None req-fb7b9d6e-af6d-4e0d-8419-a930868e986d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-26 09:08:38.024 1 INFO cinder.rpc [None req-fb7b9d6e-af6d-4e0d-8419-a930868e986d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-05-26 09:08:38.027 1 INFO cinder.rpc [None req-fb7b9d6e-af6d-4e0d-8419-a930868e986d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-26 09:08:38.030 1 INFO cinder.rpc [None req-fb7b9d6e-af6d-4e0d-8419-a930868e986d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-05-26 09:08:38.033 1 INFO cinder.rpc [None req-fb7b9d6e-af6d-4e0d-8419-a930868e986d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-26 09:08:38.036 1 INFO cinder.rpc [None req-fb7b9d6e-af6d-4e0d-8419-a930868e986d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-26 09:08:38.107 1 WARNING oslo_config.cfg [None req-fb7b9d6e-af6d-4e0d-8419-a930868e986d - - - - - -] 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.
2026-05-26 09:08:38.108 1 WARNING oslo_config.cfg [None req-fb7b9d6e-af6d-4e0d-8419-a930868e986d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-26 09:08:38.117 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-05-26 09:08:38.145 1 INFO cinder.backup.manager [None req-b33b63ce-c0ad-4683-ac28-b414f29cc880 - - - - - -] Cleaning up incomplete backup operations.
2026-05-26 09:08:38.208 1 INFO cinder.keymgr.migration [None req-ad21bc31-8069-450a-a3f4-13ce504169a3 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.