+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-08 06:15:04.328 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-08 06:15:04.622 1 INFO cinder.rpc [None req-0c43eeae-d52f-4cbf-8d87-a32388648709 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-08 06:15:04.624 1 INFO cinder.rpc [None req-0c43eeae-d52f-4cbf-8d87-a32388648709 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-08 06:15:04.626 1 INFO cinder.rpc [None req-0c43eeae-d52f-4cbf-8d87-a32388648709 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-08 06:15:04.628 1 INFO cinder.rpc [None req-0c43eeae-d52f-4cbf-8d87-a32388648709 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-08 06:15:04.630 1 INFO cinder.rpc [None req-0c43eeae-d52f-4cbf-8d87-a32388648709 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-08 06:15:04.632 1 INFO cinder.rpc [None req-0c43eeae-d52f-4cbf-8d87-a32388648709 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-08 06:15:04.694 1 WARNING oslo_config.cfg [None req-0c43eeae-d52f-4cbf-8d87-a32388648709 - - - - - -] 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. 2026-04-08 06:15:04.695 1 WARNING oslo_config.cfg [None req-0c43eeae-d52f-4cbf-8d87-a32388648709 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-08 06:15:04.703 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-08 06:15:04.728 1 INFO cinder.backup.manager [None req-2bc6f9f8-ebba-4328-9521-e6072cb1ce14 - - - - - -] Cleaning up incomplete backup operations. 2026-04-08 06:15:04.786 1 INFO cinder.keymgr.migration [None req-82e7237a-0a19-4e5d-ac4a-94f745fefebe - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.