+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-06-04 16:27:14.188 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-06-04 16:27:14.472 1 INFO cinder.rpc [None req-9dcd4cd7-4edd-4a40-9228-5c507021272e - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-06-04 16:27:14.476 1 INFO cinder.rpc [None req-9dcd4cd7-4edd-4a40-9228-5c507021272e - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-06-04 16:27:14.480 1 INFO cinder.rpc [None req-9dcd4cd7-4edd-4a40-9228-5c507021272e - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-06-04 16:27:14.483 1 INFO cinder.rpc [None req-9dcd4cd7-4edd-4a40-9228-5c507021272e - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-06-04 16:27:14.486 1 INFO cinder.rpc [None req-9dcd4cd7-4edd-4a40-9228-5c507021272e - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-06-04 16:27:14.488 1 INFO cinder.rpc [None req-9dcd4cd7-4edd-4a40-9228-5c507021272e - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-06-04 16:27:14.554 1 WARNING oslo_config.cfg [None req-9dcd4cd7-4edd-4a40-9228-5c507021272e - - - - - -] 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. 2026-06-04 16:27:14.555 1 WARNING oslo_config.cfg [None req-9dcd4cd7-4edd-4a40-9228-5c507021272e - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-06-04 16:27:14.563 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-06-04 16:27:14.588 1 INFO cinder.backup.manager [None req-cf1c6ee6-65ef-4878-8c3f-ec5f458b3379 - - - - - -] Cleaning up incomplete backup operations. 2026-06-04 16:27:14.633 1 INFO cinder.keymgr.migration [None req-414c7dcc-ccab-4e2a-889f-dd4f13aca42a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.