+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-04 15:51:16.722 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-04 15:51:16.982 1 INFO cinder.rpc [None req-1c7496ca-4fe8-447a-b653-9e33f4458e8b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-04 15:51:16.985 1 INFO cinder.rpc [None req-1c7496ca-4fe8-447a-b653-9e33f4458e8b - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-08-04 15:51:16.988 1 INFO cinder.rpc [None req-1c7496ca-4fe8-447a-b653-9e33f4458e8b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-04 15:51:16.992 1 INFO cinder.rpc [None req-1c7496ca-4fe8-447a-b653-9e33f4458e8b - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-08-04 15:51:16.995 1 INFO cinder.rpc [None req-1c7496ca-4fe8-447a-b653-9e33f4458e8b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-04 15:51:16.998 1 INFO cinder.rpc [None req-1c7496ca-4fe8-447a-b653-9e33f4458e8b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-04 15:51:17.067 1 WARNING oslo_config.cfg [None req-1c7496ca-4fe8-447a-b653-9e33f4458e8b - - - - - -] 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.
2026-08-04 15:51:17.068 1 WARNING oslo_config.cfg [None req-1c7496ca-4fe8-447a-b653-9e33f4458e8b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-04 15:51:17.081 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-08-04 15:51:17.102 1 INFO cinder.backup.manager [None req-0c879969-74c9-4f8b-ba91-b1cc7caafb15 - - - - - -] Cleaning up incomplete backup operations.
2026-08-04 15:51:17.253 1 INFO cinder.keymgr.migration [None req-edb42e23-5790-40a2-9623-95dfc0d650a1 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.