+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-06 05:26:54.197 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-06 05:26:54.427 1 INFO cinder.rpc [None req-575bf4c4-895b-4f5c-9218-23760bd4a121 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-06 05:26:54.431 1 INFO cinder.rpc [None req-575bf4c4-895b-4f5c-9218-23760bd4a121 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-06 05:26:54.434 1 INFO cinder.rpc [None req-575bf4c4-895b-4f5c-9218-23760bd4a121 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-06 05:26:54.437 1 INFO cinder.rpc [None req-575bf4c4-895b-4f5c-9218-23760bd4a121 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-06 05:26:54.441 1 INFO cinder.rpc [None req-575bf4c4-895b-4f5c-9218-23760bd4a121 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-06 05:26:54.446 1 INFO cinder.rpc [None req-575bf4c4-895b-4f5c-9218-23760bd4a121 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-06 05:26:54.621 1 WARNING oslo_config.cfg [None req-575bf4c4-895b-4f5c-9218-23760bd4a121 - - - - - -] 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. 2026-05-06 05:26:54.622 1 WARNING oslo_config.cfg [None req-575bf4c4-895b-4f5c-9218-23760bd4a121 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-06 05:26:54.633 1 INFO cinder.service [-] Starting cinder-backup node (version 23.5.0) 2026-05-06 05:26:54.652 1 INFO cinder.backup.manager [None req-a0177fb6-4f21-4ba9-b58a-6cf6b7324141 - - - - - -] Cleaning up incomplete backup operations. 2026-05-06 05:26:54.728 1 INFO cinder.keymgr.migration [None req-87df5144-261c-405c-a0a6-c3b794ab0a09 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.