+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-26 00:49:54.882 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-26 00:49:55.180 1 INFO cinder.rpc [None req-57ae50d4-eac3-4ace-8c2c-72552568a042 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-26 00:49:55.183 1 INFO cinder.rpc [None req-57ae50d4-eac3-4ace-8c2c-72552568a042 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-26 00:49:55.185 1 INFO cinder.rpc [None req-57ae50d4-eac3-4ace-8c2c-72552568a042 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-26 00:49:55.187 1 INFO cinder.rpc [None req-57ae50d4-eac3-4ace-8c2c-72552568a042 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-26 00:49:55.190 1 INFO cinder.rpc [None req-57ae50d4-eac3-4ace-8c2c-72552568a042 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-26 00:49:55.193 1 INFO cinder.rpc [None req-57ae50d4-eac3-4ace-8c2c-72552568a042 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-26 00:49:55.273 1 WARNING oslo_config.cfg [None req-57ae50d4-eac3-4ace-8c2c-72552568a042 - - - - - -] 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.
2026-08-26 00:49:55.274 1 WARNING oslo_config.cfg [None req-57ae50d4-eac3-4ace-8c2c-72552568a042 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-26 00:49:55.284 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-08-26 00:49:55.312 1 INFO cinder.backup.manager [None req-bca36a08-98f3-49b5-8005-de419689cd9c - - - - - -] Cleaning up incomplete backup operations.
2026-08-26 00:49:55.380 1 INFO cinder.keymgr.migration [None req-8271d91d-cbf7-45dc-afc8-3ac1f080ef8c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.