+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-10-14 13:27:21.171 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-10-14 13:27:21.424 1 INFO cinder.rpc [None req-a3e3a3dc-961a-4f67-9ebc-be756cee6711 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-10-14 13:27:21.427 1 INFO cinder.rpc [None req-a3e3a3dc-961a-4f67-9ebc-be756cee6711 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-10-14 13:27:21.430 1 INFO cinder.rpc [None req-a3e3a3dc-961a-4f67-9ebc-be756cee6711 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-10-14 13:27:21.433 1 INFO cinder.rpc [None req-a3e3a3dc-961a-4f67-9ebc-be756cee6711 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-10-14 13:27:21.437 1 INFO cinder.rpc [None req-a3e3a3dc-961a-4f67-9ebc-be756cee6711 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-10-14 13:27:21.439 1 INFO cinder.rpc [None req-a3e3a3dc-961a-4f67-9ebc-be756cee6711 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-10-14 13:27:21.585 1 WARNING oslo_config.cfg [None req-a3e3a3dc-961a-4f67-9ebc-be756cee6711 - - - - - -] 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. 2026-10-14 13:27:21.586 1 WARNING oslo_config.cfg [None req-a3e3a3dc-961a-4f67-9ebc-be756cee6711 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-10-14 13:27:21.599 1 INFO cinder.service [-] Starting cinder-backup node (version 23.5.0) 2026-10-14 13:27:21.619 1 INFO cinder.backup.manager [None req-98560cb5-ced9-478f-a908-150fedcdd29e - - - - - -] Cleaning up incomplete backup operations. 2026-10-14 13:27:21.679 1 INFO cinder.keymgr.migration [None req-a886202a-44b4-4e62-a89b-7a03c5dca3c6 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.