+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-03-10 18:29:51.746 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-03-10 18:29:52.014 1 INFO cinder.rpc [None req-17d72ec5-a8cd-4f05-bf7e-d105a21a440d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-03-10 18:29:52.017 1 INFO cinder.rpc [None req-17d72ec5-a8cd-4f05-bf7e-d105a21a440d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-03-10 18:29:52.019 1 INFO cinder.rpc [None req-17d72ec5-a8cd-4f05-bf7e-d105a21a440d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-03-10 18:29:52.021 1 INFO cinder.rpc [None req-17d72ec5-a8cd-4f05-bf7e-d105a21a440d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-03-10 18:29:52.023 1 INFO cinder.rpc [None req-17d72ec5-a8cd-4f05-bf7e-d105a21a440d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-03-10 18:29:52.026 1 INFO cinder.rpc [None req-17d72ec5-a8cd-4f05-bf7e-d105a21a440d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-03-10 18:29:52.081 1 WARNING oslo_config.cfg [None req-17d72ec5-a8cd-4f05-bf7e-d105a21a440d - - - - - -] 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. 2026-03-10 18:29:52.082 1 WARNING oslo_config.cfg [None req-17d72ec5-a8cd-4f05-bf7e-d105a21a440d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-03-10 18:29:52.090 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-03-10 18:29:52.114 1 INFO cinder.backup.manager [None req-7c640a5c-bcf7-401f-8a7c-90d021733c9b - - - - - -] Cleaning up incomplete backup operations. 2026-03-10 18:29:52.177 1 INFO cinder.keymgr.migration [None req-51fb0f27-ddf0-4777-a392-2a743308d6cb - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.