+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-21 15:59:45.035 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-21 15:59:45.308 1 INFO cinder.rpc [None req-6bbf2130-ecff-4fad-9de6-3c5cb73215db - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-21 15:59:45.311 1 INFO cinder.rpc [None req-6bbf2130-ecff-4fad-9de6-3c5cb73215db - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-21 15:59:45.313 1 INFO cinder.rpc [None req-6bbf2130-ecff-4fad-9de6-3c5cb73215db - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-21 15:59:45.314 1 INFO cinder.rpc [None req-6bbf2130-ecff-4fad-9de6-3c5cb73215db - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-21 15:59:45.317 1 INFO cinder.rpc [None req-6bbf2130-ecff-4fad-9de6-3c5cb73215db - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-21 15:59:45.319 1 INFO cinder.rpc [None req-6bbf2130-ecff-4fad-9de6-3c5cb73215db - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-21 15:59:45.382 1 WARNING oslo_config.cfg [None req-6bbf2130-ecff-4fad-9de6-3c5cb73215db - - - - - -] 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. 2026-05-21 15:59:45.383 1 WARNING oslo_config.cfg [None req-6bbf2130-ecff-4fad-9de6-3c5cb73215db - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-21 15:59:45.393 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-05-21 15:59:45.418 1 INFO cinder.backup.manager [None req-109d68e9-3285-44a3-9cdb-d5df04dd4335 - - - - - -] Cleaning up incomplete backup operations. 2026-05-21 15:59:45.486 1 INFO cinder.keymgr.migration [None req-c37faef3-bbac-4366-9b46-e934f766c0fe - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.