+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-07 04:16:28.487 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-07 04:16:28.769 1 INFO cinder.rpc [None req-63e2dea9-2845-46af-9586-9c5052276f4a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-07 04:16:28.772 1 INFO cinder.rpc [None req-63e2dea9-2845-46af-9586-9c5052276f4a - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-07 04:16:28.774 1 INFO cinder.rpc [None req-63e2dea9-2845-46af-9586-9c5052276f4a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-07 04:16:28.776 1 INFO cinder.rpc [None req-63e2dea9-2845-46af-9586-9c5052276f4a - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-07 04:16:28.778 1 INFO cinder.rpc [None req-63e2dea9-2845-46af-9586-9c5052276f4a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-07 04:16:28.781 1 INFO cinder.rpc [None req-63e2dea9-2845-46af-9586-9c5052276f4a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-07 04:16:28.848 1 WARNING oslo_config.cfg [None req-63e2dea9-2845-46af-9586-9c5052276f4a - - - - - -] 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. 2026-05-07 04:16:28.849 1 WARNING oslo_config.cfg [None req-63e2dea9-2845-46af-9586-9c5052276f4a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-07 04:16:28.859 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-07 04:16:28.884 1 INFO cinder.backup.manager [None req-ba71c1e4-4a49-4777-a637-1334b1958e16 - - - - - -] Cleaning up incomplete backup operations. 2026-05-07 04:16:28.951 1 INFO cinder.keymgr.migration [None req-27d71395-92b4-469c-a0dc-d4bd7a34b907 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.