+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-04 15:44:35.433 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-04 15:44:35.679 1 INFO cinder.rpc [None req-c8c7d845-c72f-4779-87dd-64f1f5353f21 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-04 15:44:35.685 1 INFO cinder.rpc [None req-c8c7d845-c72f-4779-87dd-64f1f5353f21 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-04 15:44:35.689 1 INFO cinder.rpc [None req-c8c7d845-c72f-4779-87dd-64f1f5353f21 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-04 15:44:35.692 1 INFO cinder.rpc [None req-c8c7d845-c72f-4779-87dd-64f1f5353f21 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-08-04 15:44:35.696 1 INFO cinder.rpc [None req-c8c7d845-c72f-4779-87dd-64f1f5353f21 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-04 15:44:35.699 1 INFO cinder.rpc [None req-c8c7d845-c72f-4779-87dd-64f1f5353f21 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-04 15:44:35.884 1 WARNING oslo_config.cfg [None req-c8c7d845-c72f-4779-87dd-64f1f5353f21 - - - - - -] 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 15:44:35.885 1 WARNING oslo_config.cfg [None req-c8c7d845-c72f-4779-87dd-64f1f5353f21 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-04 15:44:35.896 1 INFO cinder.service [-] Starting cinder-backup node (version 23.5.0)
2026-08-04 15:44:35.924 1 INFO cinder.backup.manager [None req-20c80020-c7ee-4df5-88aa-aed2d613a1e8 - - - - - -] Cleaning up incomplete backup operations.
2026-08-04 15:44:35.980 1 INFO cinder.keymgr.migration [None req-46bd208b-00a4-4097-a245-a6687a1e9d2e - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.