+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-06-04 16:26:42.932 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-06-04 16:26:43.233 1 INFO cinder.rpc [None req-1d45cdc2-fc61-4a29-8696-49f55d5c0777 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-06-04 16:26:43.236 1 INFO cinder.rpc [None req-1d45cdc2-fc61-4a29-8696-49f55d5c0777 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-06-04 16:26:43.238 1 INFO cinder.rpc [None req-1d45cdc2-fc61-4a29-8696-49f55d5c0777 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-06-04 16:26:43.240 1 INFO cinder.rpc [None req-1d45cdc2-fc61-4a29-8696-49f55d5c0777 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-06-04 16:26:43.243 1 INFO cinder.rpc [None req-1d45cdc2-fc61-4a29-8696-49f55d5c0777 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-06-04 16:26:43.246 1 INFO cinder.rpc [None req-1d45cdc2-fc61-4a29-8696-49f55d5c0777 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-06-04 16:26:43.329 1 WARNING oslo_config.cfg [None req-1d45cdc2-fc61-4a29-8696-49f55d5c0777 - - - - - -] 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 16:26:43.330 1 WARNING oslo_config.cfg [None req-1d45cdc2-fc61-4a29-8696-49f55d5c0777 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-06-04 16:26:43.339 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-06-04 16:26:43.368 1 INFO cinder.backup.manager [None req-f9d28fb0-8c5b-4209-8d34-e9e4de6af87a - - - - - -] Cleaning up incomplete backup operations. 2026-06-04 16:26:43.417 1 INFO cinder.keymgr.migration [None req-d8298469-87fe-4d42-95b9-f13c9cb16b06 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.