+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-11 08:52:27.194 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-11 08:52:27.468 1 INFO cinder.rpc [None req-54ce149d-2d10-4d1c-85e2-e6b4b7fb7ef9 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-11 08:52:27.471 1 INFO cinder.rpc [None req-54ce149d-2d10-4d1c-85e2-e6b4b7fb7ef9 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-11 08:52:27.473 1 INFO cinder.rpc [None req-54ce149d-2d10-4d1c-85e2-e6b4b7fb7ef9 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-11 08:52:27.475 1 INFO cinder.rpc [None req-54ce149d-2d10-4d1c-85e2-e6b4b7fb7ef9 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-11 08:52:27.478 1 INFO cinder.rpc [None req-54ce149d-2d10-4d1c-85e2-e6b4b7fb7ef9 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-11 08:52:27.480 1 INFO cinder.rpc [None req-54ce149d-2d10-4d1c-85e2-e6b4b7fb7ef9 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-11 08:52:27.549 1 WARNING oslo_config.cfg [None req-54ce149d-2d10-4d1c-85e2-e6b4b7fb7ef9 - - - - - -] 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.
2026-08-11 08:52:27.549 1 WARNING oslo_config.cfg [None req-54ce149d-2d10-4d1c-85e2-e6b4b7fb7ef9 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-11 08:52:27.557 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-08-11 08:52:27.582 1 INFO cinder.backup.manager [None req-84314ce7-e536-4a90-ba34-ac5a30de9668 - - - - - -] Cleaning up incomplete backup operations.
2026-08-11 08:52:27.726 1 INFO cinder.keymgr.migration [None req-295aac3c-1ee9-4b24-850a-3fd7f697ea1c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.