+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-15 11:59:13.995 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-15 11:59:14.311 1 INFO cinder.rpc [None req-239f9aa0-ed6d-4430-9a93-c8de30fccfe8 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-15 11:59:14.315 1 INFO cinder.rpc [None req-239f9aa0-ed6d-4430-9a93-c8de30fccfe8 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-15 11:59:14.322 1 INFO cinder.rpc [None req-239f9aa0-ed6d-4430-9a93-c8de30fccfe8 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-15 11:59:14.326 1 INFO cinder.rpc [None req-239f9aa0-ed6d-4430-9a93-c8de30fccfe8 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-15 11:59:14.329 1 INFO cinder.rpc [None req-239f9aa0-ed6d-4430-9a93-c8de30fccfe8 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-15 11:59:14.331 1 INFO cinder.rpc [None req-239f9aa0-ed6d-4430-9a93-c8de30fccfe8 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-15 11:59:14.393 1 WARNING oslo_config.cfg [None req-239f9aa0-ed6d-4430-9a93-c8de30fccfe8 - - - - - -] 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.
2026-09-15 11:59:14.394 1 WARNING oslo_config.cfg [None req-239f9aa0-ed6d-4430-9a93-c8de30fccfe8 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-15 11:59:14.402 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-15 11:59:14.428 1 INFO cinder.backup.manager [None req-4e5a4f3d-e858-434f-93ab-57543ddfadcd - - - - - -] Cleaning up incomplete backup operations.
2026-09-15 11:59:14.478 1 INFO cinder.keymgr.migration [None req-981ec3d8-3562-4483-985c-f0fe7a7daffa - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.