+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-11 21:31:59.503 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-11 21:31:59.787 1 INFO cinder.rpc [None req-ca66f27e-3aae-4587-bc31-efb468e8ce38 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-11 21:31:59.789 1 INFO cinder.rpc [None req-ca66f27e-3aae-4587-bc31-efb468e8ce38 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-11 21:31:59.792 1 INFO cinder.rpc [None req-ca66f27e-3aae-4587-bc31-efb468e8ce38 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-11 21:31:59.794 1 INFO cinder.rpc [None req-ca66f27e-3aae-4587-bc31-efb468e8ce38 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-11 21:31:59.797 1 INFO cinder.rpc [None req-ca66f27e-3aae-4587-bc31-efb468e8ce38 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-11 21:31:59.800 1 INFO cinder.rpc [None req-ca66f27e-3aae-4587-bc31-efb468e8ce38 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-11 21:31:59.862 1 WARNING oslo_config.cfg [None req-ca66f27e-3aae-4587-bc31-efb468e8ce38 - - - - - -] 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. 2026-05-11 21:31:59.863 1 WARNING oslo_config.cfg [None req-ca66f27e-3aae-4587-bc31-efb468e8ce38 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-11 21:31:59.873 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-05-11 21:31:59.896 1 INFO cinder.backup.manager [None req-cb638740-0c69-4f98-a4b5-f58ee6604eac - - - - - -] Cleaning up incomplete backup operations. 2026-05-11 21:31:59.967 1 INFO cinder.keymgr.migration [None req-a396180a-71f0-4281-bd91-e4bce04b733c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.