+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-09-29 04:16:18.962 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-09-29 04:16:19.217 1 INFO cinder.rpc [None req-3f57a728-4be6-43b0-a28e-099a18845e5f - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-09-29 04:16:19.220 1 INFO cinder.rpc [None req-3f57a728-4be6-43b0-a28e-099a18845e5f - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-09-29 04:16:19.222 1 INFO cinder.rpc [None req-3f57a728-4be6-43b0-a28e-099a18845e5f - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-09-29 04:16:19.224 1 INFO cinder.rpc [None req-3f57a728-4be6-43b0-a28e-099a18845e5f - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-09-29 04:16:19.227 1 INFO cinder.rpc [None req-3f57a728-4be6-43b0-a28e-099a18845e5f - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-09-29 04:16:19.229 1 INFO cinder.rpc [None req-3f57a728-4be6-43b0-a28e-099a18845e5f - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-09-29 04:16:19.287 1 WARNING oslo_config.cfg [None req-3f57a728-4be6-43b0-a28e-099a18845e5f - - - - - -] 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. 2026-09-29 04:16:19.288 1 WARNING oslo_config.cfg [None req-3f57a728-4be6-43b0-a28e-099a18845e5f - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-09-29 04:16:19.296 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0) 2026-09-29 04:16:19.320 1 INFO cinder.backup.manager [None req-2b2c60b6-871f-45ea-af6f-2963f50f0db1 - - - - - -] Cleaning up incomplete backup operations. 2026-09-29 04:16:19.361 1 INFO cinder.keymgr.migration [None req-bc6ff332-d30f-4188-8ccc-1093ab67b980 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.