+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-29 22:27:40.923 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-29 22:27:41.226 1 INFO cinder.rpc [None req-89d03d70-ec05-4ad1-8861-9bd707403284 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-29 22:27:41.229 1 INFO cinder.rpc [None req-89d03d70-ec05-4ad1-8861-9bd707403284 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-29 22:27:41.233 1 INFO cinder.rpc [None req-89d03d70-ec05-4ad1-8861-9bd707403284 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-29 22:27:41.237 1 INFO cinder.rpc [None req-89d03d70-ec05-4ad1-8861-9bd707403284 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-29 22:27:41.241 1 INFO cinder.rpc [None req-89d03d70-ec05-4ad1-8861-9bd707403284 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-29 22:27:41.246 1 INFO cinder.rpc [None req-89d03d70-ec05-4ad1-8861-9bd707403284 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-29 22:27:41.334 1 WARNING oslo_config.cfg [None req-89d03d70-ec05-4ad1-8861-9bd707403284 - - - - - -] 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. 2026-05-29 22:27:41.335 1 WARNING oslo_config.cfg [None req-89d03d70-ec05-4ad1-8861-9bd707403284 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-29 22:27:41.353 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-05-29 22:27:41.391 1 INFO cinder.backup.manager [None req-b318604a-1e49-4919-8580-d43cf821e266 - - - - - -] Cleaning up incomplete backup operations. 2026-05-29 22:27:41.449 1 INFO cinder.keymgr.migration [None req-73abf5b0-4ee2-4b3d-bebd-2010c938b75b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.