+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-10-15 14:45:31.850 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-10-15 14:45:32.118 1 INFO cinder.rpc [None req-99db9e23-cc84-4695-8b0a-b334defad8b4 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-10-15 14:45:32.121 1 INFO cinder.rpc [None req-99db9e23-cc84-4695-8b0a-b334defad8b4 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-10-15 14:45:32.123 1 INFO cinder.rpc [None req-99db9e23-cc84-4695-8b0a-b334defad8b4 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-10-15 14:45:32.125 1 INFO cinder.rpc [None req-99db9e23-cc84-4695-8b0a-b334defad8b4 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-10-15 14:45:32.127 1 INFO cinder.rpc [None req-99db9e23-cc84-4695-8b0a-b334defad8b4 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-10-15 14:45:32.129 1 INFO cinder.rpc [None req-99db9e23-cc84-4695-8b0a-b334defad8b4 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-10-15 14:45:32.188 1 WARNING oslo_config.cfg [None req-99db9e23-cc84-4695-8b0a-b334defad8b4 - - - - - -] 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. 2026-10-15 14:45:32.189 1 WARNING oslo_config.cfg [None req-99db9e23-cc84-4695-8b0a-b334defad8b4 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-10-15 14:45:32.197 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0) 2026-10-15 14:45:32.222 1 INFO cinder.backup.manager [None req-b1425b5f-9b83-44d6-828d-aa3307f37140 - - - - - -] Cleaning up incomplete backup operations. 2026-10-15 14:45:32.260 1 INFO cinder.keymgr.migration [None req-327384e3-0eb7-4f76-8abe-089b0028372c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.