+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-10 02:29:17.903 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-10 02:29:18.163 1 INFO cinder.rpc [None req-20d36b7a-30d9-4d15-be76-1444e99a6654 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-10 02:29:18.166 1 INFO cinder.rpc [None req-20d36b7a-30d9-4d15-be76-1444e99a6654 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-10 02:29:18.168 1 INFO cinder.rpc [None req-20d36b7a-30d9-4d15-be76-1444e99a6654 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-10 02:29:18.170 1 INFO cinder.rpc [None req-20d36b7a-30d9-4d15-be76-1444e99a6654 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-10 02:29:18.172 1 INFO cinder.rpc [None req-20d36b7a-30d9-4d15-be76-1444e99a6654 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-10 02:29:18.174 1 INFO cinder.rpc [None req-20d36b7a-30d9-4d15-be76-1444e99a6654 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-10 02:29:18.235 1 WARNING oslo_config.cfg [None req-20d36b7a-30d9-4d15-be76-1444e99a6654 - - - - - -] 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.
2026-09-10 02:29:18.236 1 WARNING oslo_config.cfg [None req-20d36b7a-30d9-4d15-be76-1444e99a6654 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-10 02:29:18.244 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-09-10 02:29:18.268 1 INFO cinder.backup.manager [None req-34672589-44e4-4f05-a523-715c31471988 - - - - - -] Cleaning up incomplete backup operations.
2026-09-10 02:29:18.331 1 INFO cinder.keymgr.migration [None req-f2b9850d-3ce4-4b23-a19e-75930451be37 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.