+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-10 11:40:45.386 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-10 11:40:45.703 1 INFO cinder.rpc [None req-4d80df5a-f3b7-4197-983a-a72e838c1abb - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-10 11:40:45.707 1 INFO cinder.rpc [None req-4d80df5a-f3b7-4197-983a-a72e838c1abb - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-10 11:40:45.711 1 INFO cinder.rpc [None req-4d80df5a-f3b7-4197-983a-a72e838c1abb - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-10 11:40:45.713 1 INFO cinder.rpc [None req-4d80df5a-f3b7-4197-983a-a72e838c1abb - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-10 11:40:45.717 1 INFO cinder.rpc [None req-4d80df5a-f3b7-4197-983a-a72e838c1abb - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-10 11:40:45.722 1 INFO cinder.rpc [None req-4d80df5a-f3b7-4197-983a-a72e838c1abb - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-10 11:40:45.803 1 WARNING oslo_config.cfg [None req-4d80df5a-f3b7-4197-983a-a72e838c1abb - - - - - -] 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.
2026-09-10 11:40:45.804 1 WARNING oslo_config.cfg [None req-4d80df5a-f3b7-4197-983a-a72e838c1abb - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-10 11:40:45.813 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-10 11:40:45.842 1 INFO cinder.backup.manager [None req-68c53ca3-944b-424a-a2f6-0a0db53afb1f - - - - - -] Cleaning up incomplete backup operations.
2026-09-10 11:40:45.900 1 INFO cinder.keymgr.migration [None req-e7751a4c-d910-4bd0-b7ee-5265b1dac9d4 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.