+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-10-06 13:37:12.783 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-10-06 13:37:13.041 1 INFO cinder.rpc [None req-c0336a74-71c7-4d93-92b9-7021c5cd945b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-10-06 13:37:13.044 1 INFO cinder.rpc [None req-c0336a74-71c7-4d93-92b9-7021c5cd945b - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-10-06 13:37:13.047 1 INFO cinder.rpc [None req-c0336a74-71c7-4d93-92b9-7021c5cd945b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-10-06 13:37:13.049 1 INFO cinder.rpc [None req-c0336a74-71c7-4d93-92b9-7021c5cd945b - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-10-06 13:37:13.052 1 INFO cinder.rpc [None req-c0336a74-71c7-4d93-92b9-7021c5cd945b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-10-06 13:37:13.054 1 INFO cinder.rpc [None req-c0336a74-71c7-4d93-92b9-7021c5cd945b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-10-06 13:37:13.132 1 WARNING oslo_config.cfg [None req-c0336a74-71c7-4d93-92b9-7021c5cd945b - - - - - -] 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. 2026-10-06 13:37:13.134 1 WARNING oslo_config.cfg [None req-c0336a74-71c7-4d93-92b9-7021c5cd945b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-10-06 13:37:13.150 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0) 2026-10-06 13:37:13.180 1 INFO cinder.backup.manager [None req-9f7ed061-924e-4667-9230-17fad4f1b85d - - - - - -] Cleaning up incomplete backup operations. 2026-10-06 13:37:13.221 1 INFO cinder.keymgr.migration [None req-ea4eaf7b-8962-488d-a074-0b8ee13ac7ea - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.