+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-10-06 13:37:22.017 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-10-06 13:37:22.298 1 INFO cinder.rpc [None req-acd78dc0-2770-4bdc-a1e8-7f51e99f5557 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-10-06 13:37:22.301 1 INFO cinder.rpc [None req-acd78dc0-2770-4bdc-a1e8-7f51e99f5557 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-10-06 13:37:22.303 1 INFO cinder.rpc [None req-acd78dc0-2770-4bdc-a1e8-7f51e99f5557 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-10-06 13:37:22.306 1 INFO cinder.rpc [None req-acd78dc0-2770-4bdc-a1e8-7f51e99f5557 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-10-06 13:37:22.308 1 INFO cinder.rpc [None req-acd78dc0-2770-4bdc-a1e8-7f51e99f5557 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-10-06 13:37:22.310 1 INFO cinder.rpc [None req-acd78dc0-2770-4bdc-a1e8-7f51e99f5557 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-10-06 13:37:22.372 1 WARNING oslo_config.cfg [None req-acd78dc0-2770-4bdc-a1e8-7f51e99f5557 - - - - - -] 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.
2026-10-06 13:37:22.373 1 WARNING oslo_config.cfg [None req-acd78dc0-2770-4bdc-a1e8-7f51e99f5557 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-10-06 13:37:22.381 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-10-06 13:37:22.407 1 INFO cinder.backup.manager [None req-1582280e-e476-4a4c-b0e3-223369d37d63 - - - - - -] Cleaning up incomplete backup operations.
2026-10-06 13:37:22.453 1 INFO cinder.keymgr.migration [None req-ae22d1d2-2c1c-44ef-ae09-7ed8a461f492 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.