+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-05 13:31:45.823 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-05 13:31:46.119 1 INFO cinder.rpc [None req-36c130a1-7c11-47e4-a79e-3a9d54b59312 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-05 13:31:46.122 1 INFO cinder.rpc [None req-36c130a1-7c11-47e4-a79e-3a9d54b59312 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-05 13:31:46.125 1 INFO cinder.rpc [None req-36c130a1-7c11-47e4-a79e-3a9d54b59312 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-05 13:31:46.128 1 INFO cinder.rpc [None req-36c130a1-7c11-47e4-a79e-3a9d54b59312 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-05 13:31:46.131 1 INFO cinder.rpc [None req-36c130a1-7c11-47e4-a79e-3a9d54b59312 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-05 13:31:46.134 1 INFO cinder.rpc [None req-36c130a1-7c11-47e4-a79e-3a9d54b59312 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-05 13:31:46.197 1 WARNING oslo_config.cfg [None req-36c130a1-7c11-47e4-a79e-3a9d54b59312 - - - - - -] 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.
2026-09-05 13:31:46.198 1 WARNING oslo_config.cfg [None req-36c130a1-7c11-47e4-a79e-3a9d54b59312 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-05 13:31:46.207 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-09-05 13:31:46.229 1 INFO cinder.backup.manager [None req-9c34a41c-e45b-49de-8809-186612cd69ab - - - - - -] Cleaning up incomplete backup operations.
2026-09-05 13:31:46.292 1 INFO cinder.keymgr.migration [None req-07f873f5-c1be-4163-a226-4aa9adb0430a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.