+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-06-13 23:14:46.179 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-06-13 23:14:46.490 1 INFO cinder.rpc [None req-b306af29-0b34-40e7-b191-5ca8b992ea65 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-06-13 23:14:46.493 1 INFO cinder.rpc [None req-b306af29-0b34-40e7-b191-5ca8b992ea65 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-06-13 23:14:46.496 1 INFO cinder.rpc [None req-b306af29-0b34-40e7-b191-5ca8b992ea65 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-06-13 23:14:46.498 1 INFO cinder.rpc [None req-b306af29-0b34-40e7-b191-5ca8b992ea65 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-06-13 23:14:46.501 1 INFO cinder.rpc [None req-b306af29-0b34-40e7-b191-5ca8b992ea65 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-06-13 23:14:46.504 1 INFO cinder.rpc [None req-b306af29-0b34-40e7-b191-5ca8b992ea65 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-06-13 23:14:46.575 1 WARNING oslo_config.cfg [None req-b306af29-0b34-40e7-b191-5ca8b992ea65 - - - - - -] 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.
2026-06-13 23:14:46.576 1 WARNING oslo_config.cfg [None req-b306af29-0b34-40e7-b191-5ca8b992ea65 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-06-13 23:14:46.585 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1)
2026-06-13 23:14:46.612 1 INFO cinder.backup.manager [None req-5be0383d-93ac-47fe-aadf-525c046d809e - - - - - -] Cleaning up incomplete backup operations.
2026-06-13 23:14:46.661 1 INFO cinder.keymgr.migration [None req-f0c503a8-22f0-4986-8c5c-5ca0ef58abc9 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.