+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-08 20:25:49.514 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-08 20:25:49.818 1 INFO cinder.rpc [None req-0985c985-f230-444f-84f9-44d2c1d5b620 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-08 20:25:49.820 1 INFO cinder.rpc [None req-0985c985-f230-444f-84f9-44d2c1d5b620 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-08 20:25:49.823 1 INFO cinder.rpc [None req-0985c985-f230-444f-84f9-44d2c1d5b620 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-08 20:25:49.826 1 INFO cinder.rpc [None req-0985c985-f230-444f-84f9-44d2c1d5b620 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-08 20:25:49.829 1 INFO cinder.rpc [None req-0985c985-f230-444f-84f9-44d2c1d5b620 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-08 20:25:49.832 1 INFO cinder.rpc [None req-0985c985-f230-444f-84f9-44d2c1d5b620 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-08 20:25:49.900 1 WARNING oslo_config.cfg [None req-0985c985-f230-444f-84f9-44d2c1d5b620 - - - - - -] 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. 2026-05-08 20:25:49.901 1 WARNING oslo_config.cfg [None req-0985c985-f230-444f-84f9-44d2c1d5b620 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-08 20:25:49.911 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-08 20:25:49.937 1 INFO cinder.backup.manager [None req-1a990ee5-1119-46af-8de4-f5f7a9508a35 - - - - - -] Cleaning up incomplete backup operations. 2026-05-08 20:25:49.994 1 INFO cinder.keymgr.migration [None req-c37bc0a7-b8ee-4b6b-b99d-6966b1d58c65 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.