+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-14 09:44:49.412 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-14 09:44:49.686 1 INFO cinder.rpc [None req-71fdcd81-2b20-4bc0-83ce-1e77b891a3d6 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-14 09:44:49.689 1 INFO cinder.rpc [None req-71fdcd81-2b20-4bc0-83ce-1e77b891a3d6 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-14 09:44:49.691 1 INFO cinder.rpc [None req-71fdcd81-2b20-4bc0-83ce-1e77b891a3d6 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-14 09:44:49.694 1 INFO cinder.rpc [None req-71fdcd81-2b20-4bc0-83ce-1e77b891a3d6 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-14 09:44:49.697 1 INFO cinder.rpc [None req-71fdcd81-2b20-4bc0-83ce-1e77b891a3d6 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-14 09:44:49.700 1 INFO cinder.rpc [None req-71fdcd81-2b20-4bc0-83ce-1e77b891a3d6 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-14 09:44:49.766 1 WARNING oslo_config.cfg [None req-71fdcd81-2b20-4bc0-83ce-1e77b891a3d6 - - - - - -] 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.
2026-08-14 09:44:49.767 1 WARNING oslo_config.cfg [None req-71fdcd81-2b20-4bc0-83ce-1e77b891a3d6 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-14 09:44:49.781 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-08-14 09:44:49.818 1 INFO cinder.backup.manager [None req-d0854704-d94f-4e7d-af74-06a4ff91beb7 - - - - - -] Cleaning up incomplete backup operations.
2026-08-14 09:44:49.897 1 INFO cinder.keymgr.migration [None req-161935e6-dbef-4554-86f2-10f7cddc3533 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.