+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-27 23:36:10.284 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-27 23:36:10.576 1 INFO cinder.rpc [None req-cb7a0cbd-2f03-41fe-8184-e6ad3de954c4 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-27 23:36:10.578 1 INFO cinder.rpc [None req-cb7a0cbd-2f03-41fe-8184-e6ad3de954c4 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-27 23:36:10.580 1 INFO cinder.rpc [None req-cb7a0cbd-2f03-41fe-8184-e6ad3de954c4 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-27 23:36:10.582 1 INFO cinder.rpc [None req-cb7a0cbd-2f03-41fe-8184-e6ad3de954c4 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-27 23:36:10.585 1 INFO cinder.rpc [None req-cb7a0cbd-2f03-41fe-8184-e6ad3de954c4 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-27 23:36:10.589 1 INFO cinder.rpc [None req-cb7a0cbd-2f03-41fe-8184-e6ad3de954c4 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-27 23:36:10.654 1 WARNING oslo_config.cfg [None req-cb7a0cbd-2f03-41fe-8184-e6ad3de954c4 - - - - - -] 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. 2026-05-27 23:36:10.655 1 WARNING oslo_config.cfg [None req-cb7a0cbd-2f03-41fe-8184-e6ad3de954c4 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-27 23:36:10.663 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-05-27 23:36:10.688 1 INFO cinder.backup.manager [None req-4e61af4c-a2dc-4854-8478-0ba0069193a9 - - - - - -] Cleaning up incomplete backup operations. 2026-05-27 23:36:10.732 1 INFO cinder.keymgr.migration [None req-27887018-097b-4a7d-ae6a-ea87d4b5ccde - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.