+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-10 04:28:12.448 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-10 04:28:12.729 1 INFO cinder.rpc [None req-2fcab451-77dd-4769-b5f5-0988d1eb9f72 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-10 04:28:12.732 1 INFO cinder.rpc [None req-2fcab451-77dd-4769-b5f5-0988d1eb9f72 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-10 04:28:12.734 1 INFO cinder.rpc [None req-2fcab451-77dd-4769-b5f5-0988d1eb9f72 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-10 04:28:12.736 1 INFO cinder.rpc [None req-2fcab451-77dd-4769-b5f5-0988d1eb9f72 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-10 04:28:12.739 1 INFO cinder.rpc [None req-2fcab451-77dd-4769-b5f5-0988d1eb9f72 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-10 04:28:12.742 1 INFO cinder.rpc [None req-2fcab451-77dd-4769-b5f5-0988d1eb9f72 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-10 04:28:12.808 1 WARNING oslo_config.cfg [None req-2fcab451-77dd-4769-b5f5-0988d1eb9f72 - - - - - -] 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. 2026-05-10 04:28:12.809 1 WARNING oslo_config.cfg [None req-2fcab451-77dd-4769-b5f5-0988d1eb9f72 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-10 04:28:12.819 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-05-10 04:28:12.843 1 INFO cinder.backup.manager [None req-f748b895-193e-4a3b-88b1-c2dd75e5de42 - - - - - -] Cleaning up incomplete backup operations. 2026-05-10 04:28:12.901 1 INFO cinder.keymgr.migration [None req-163c3940-66e9-44aa-8c47-4c734a33f027 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.