+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-06-05 22:35:08.476 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-06-05 22:35:08.762 1 INFO cinder.rpc [None req-2838a231-ef28-4474-87e9-3afef8d0f535 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-06-05 22:35:08.764 1 INFO cinder.rpc [None req-2838a231-ef28-4474-87e9-3afef8d0f535 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-06-05 22:35:08.767 1 INFO cinder.rpc [None req-2838a231-ef28-4474-87e9-3afef8d0f535 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-06-05 22:35:08.769 1 INFO cinder.rpc [None req-2838a231-ef28-4474-87e9-3afef8d0f535 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-06-05 22:35:08.772 1 INFO cinder.rpc [None req-2838a231-ef28-4474-87e9-3afef8d0f535 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-06-05 22:35:08.776 1 INFO cinder.rpc [None req-2838a231-ef28-4474-87e9-3afef8d0f535 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-06-05 22:35:08.843 1 WARNING oslo_config.cfg [None req-2838a231-ef28-4474-87e9-3afef8d0f535 - - - - - -] 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.
2026-06-05 22:35:08.844 1 WARNING oslo_config.cfg [None req-2838a231-ef28-4474-87e9-3afef8d0f535 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-06-05 22:35:08.853 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1)
2026-06-05 22:35:08.882 1 INFO cinder.backup.manager [None req-a3947e45-44af-46ac-8e6e-c6e01056ae5d - - - - - -] Cleaning up incomplete backup operations.
2026-06-05 22:35:08.927 1 INFO cinder.keymgr.migration [None req-2ea4d110-32f6-4e27-ad44-b7b86a95bfe6 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.