+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-05 11:49:13.137 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-05 11:49:13.416 1 INFO cinder.rpc [None req-96c2aa41-17a0-4fbb-85e0-3823d48059bb - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-05 11:49:13.418 1 INFO cinder.rpc [None req-96c2aa41-17a0-4fbb-85e0-3823d48059bb - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-05 11:49:13.420 1 INFO cinder.rpc [None req-96c2aa41-17a0-4fbb-85e0-3823d48059bb - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-05 11:49:13.422 1 INFO cinder.rpc [None req-96c2aa41-17a0-4fbb-85e0-3823d48059bb - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-05 11:49:13.424 1 INFO cinder.rpc [None req-96c2aa41-17a0-4fbb-85e0-3823d48059bb - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-05 11:49:13.426 1 INFO cinder.rpc [None req-96c2aa41-17a0-4fbb-85e0-3823d48059bb - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-05 11:49:13.486 1 WARNING oslo_config.cfg [None req-96c2aa41-17a0-4fbb-85e0-3823d48059bb - - - - - -] 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.
2026-08-05 11:49:13.488 1 WARNING oslo_config.cfg [None req-96c2aa41-17a0-4fbb-85e0-3823d48059bb - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-05 11:49:13.497 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-05 11:49:13.523 1 INFO cinder.backup.manager [None req-99310418-27a8-4489-babd-a18208611200 - - - - - -] Cleaning up incomplete backup operations.
2026-08-05 11:49:13.591 1 INFO cinder.keymgr.migration [None req-df0b6c27-190a-46b6-983f-5684d2070361 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.