+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-21 03:02:48.653 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-21 03:02:48.933 1 INFO cinder.rpc [None req-53b07c51-d80f-4072-b842-a87e44e19f2d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-21 03:02:48.936 1 INFO cinder.rpc [None req-53b07c51-d80f-4072-b842-a87e44e19f2d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-21 03:02:48.938 1 INFO cinder.rpc [None req-53b07c51-d80f-4072-b842-a87e44e19f2d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-21 03:02:48.940 1 INFO cinder.rpc [None req-53b07c51-d80f-4072-b842-a87e44e19f2d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-21 03:02:48.943 1 INFO cinder.rpc [None req-53b07c51-d80f-4072-b842-a87e44e19f2d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-21 03:02:48.946 1 INFO cinder.rpc [None req-53b07c51-d80f-4072-b842-a87e44e19f2d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-21 03:02:49.014 1 WARNING oslo_config.cfg [None req-53b07c51-d80f-4072-b842-a87e44e19f2d - - - - - -] 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.
2026-08-21 03:02:49.015 1 WARNING oslo_config.cfg [None req-53b07c51-d80f-4072-b842-a87e44e19f2d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-21 03:02:49.025 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-21 03:02:49.050 1 INFO cinder.backup.manager [None req-809ed3a0-3742-4945-97b4-8596aa4550eb - - - - - -] Cleaning up incomplete backup operations.
2026-08-21 03:02:49.094 1 INFO cinder.keymgr.migration [None req-11ab3bad-63c8-4e09-99ba-df7c93f36249 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.