+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-02-25 20:15:27.923 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-02-25 20:15:28.199 1 INFO cinder.rpc [None req-38b2810b-9143-4eb0-a469-df1c45c369b3 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-02-25 20:15:28.202 1 INFO cinder.rpc [None req-38b2810b-9143-4eb0-a469-df1c45c369b3 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-02-25 20:15:28.204 1 INFO cinder.rpc [None req-38b2810b-9143-4eb0-a469-df1c45c369b3 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-02-25 20:15:28.207 1 INFO cinder.rpc [None req-38b2810b-9143-4eb0-a469-df1c45c369b3 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-02-25 20:15:28.210 1 INFO cinder.rpc [None req-38b2810b-9143-4eb0-a469-df1c45c369b3 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-02-25 20:15:28.213 1 INFO cinder.rpc [None req-38b2810b-9143-4eb0-a469-df1c45c369b3 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-02-25 20:15:28.281 1 WARNING oslo_config.cfg [None req-38b2810b-9143-4eb0-a469-df1c45c369b3 - - - - - -] 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. 2026-02-25 20:15:28.282 1 WARNING oslo_config.cfg [None req-38b2810b-9143-4eb0-a469-df1c45c369b3 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-02-25 20:15:28.292 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-02-25 20:15:28.318 1 INFO cinder.backup.manager [None req-90b0420a-711d-448b-bd2d-31efceec5649 - - - - - -] Cleaning up incomplete backup operations. 2026-02-25 20:15:28.398 1 INFO cinder.keymgr.migration [None req-dda8ee6c-eb34-4e94-ad9e-85d025d50742 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.