+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-01 18:55:32.024 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-01 18:55:32.262 1 INFO cinder.rpc [None req-9107b614-19a0-47bb-9c58-23f3f38b3901 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-01 18:55:32.266 1 INFO cinder.rpc [None req-9107b614-19a0-47bb-9c58-23f3f38b3901 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-01 18:55:32.268 1 INFO cinder.rpc [None req-9107b614-19a0-47bb-9c58-23f3f38b3901 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-01 18:55:32.271 1 INFO cinder.rpc [None req-9107b614-19a0-47bb-9c58-23f3f38b3901 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-01 18:55:32.274 1 INFO cinder.rpc [None req-9107b614-19a0-47bb-9c58-23f3f38b3901 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-01 18:55:32.277 1 INFO cinder.rpc [None req-9107b614-19a0-47bb-9c58-23f3f38b3901 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-01 18:55:32.413 1 WARNING oslo_config.cfg [None req-9107b614-19a0-47bb-9c58-23f3f38b3901 - - - - - -] 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.
2026-09-01 18:55:32.413 1 WARNING oslo_config.cfg [None req-9107b614-19a0-47bb-9c58-23f3f38b3901 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-01 18:55:32.422 1 INFO cinder.service [-] Starting cinder-backup node (version 23.5.0)
2026-09-01 18:55:32.441 1 INFO cinder.backup.manager [None req-34ba4ff6-5f1d-4189-ba59-30160aac0699 - - - - - -] Cleaning up incomplete backup operations.
2026-09-01 18:55:32.498 1 INFO cinder.keymgr.migration [None req-a5b64198-714e-4048-923a-4a540ee4ec4b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.