+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-18 23:48:35.939 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-18 23:48:36.221 1 INFO cinder.rpc [None req-ac1caffe-dc3b-4957-9a7f-e573dd03eb89 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-18 23:48:36.224 1 INFO cinder.rpc [None req-ac1caffe-dc3b-4957-9a7f-e573dd03eb89 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-18 23:48:36.227 1 INFO cinder.rpc [None req-ac1caffe-dc3b-4957-9a7f-e573dd03eb89 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-18 23:48:36.229 1 INFO cinder.rpc [None req-ac1caffe-dc3b-4957-9a7f-e573dd03eb89 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-18 23:48:36.232 1 INFO cinder.rpc [None req-ac1caffe-dc3b-4957-9a7f-e573dd03eb89 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-18 23:48:36.235 1 INFO cinder.rpc [None req-ac1caffe-dc3b-4957-9a7f-e573dd03eb89 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-18 23:48:36.300 1 WARNING oslo_config.cfg [None req-ac1caffe-dc3b-4957-9a7f-e573dd03eb89 - - - - - -] 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.
2026-08-18 23:48:36.301 1 WARNING oslo_config.cfg [None req-ac1caffe-dc3b-4957-9a7f-e573dd03eb89 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-18 23:48:36.310 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-18 23:48:36.334 1 INFO cinder.backup.manager [None req-0fe0f8d6-92b9-4e5c-acc6-da6622c1b213 - - - - - -] Cleaning up incomplete backup operations.
2026-08-18 23:48:36.376 1 INFO cinder.keymgr.migration [None req-68e88261-1870-49ab-af1b-be46be831650 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.