+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-02-24 04:18:56.974 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-02-24 04:18:57.250 1 INFO cinder.rpc [None req-28ea6c52-41e5-48e2-821c-93a81b6c168d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-02-24 04:18:57.253 1 INFO cinder.rpc [None req-28ea6c52-41e5-48e2-821c-93a81b6c168d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-02-24 04:18:57.255 1 INFO cinder.rpc [None req-28ea6c52-41e5-48e2-821c-93a81b6c168d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-02-24 04:18:57.257 1 INFO cinder.rpc [None req-28ea6c52-41e5-48e2-821c-93a81b6c168d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-02-24 04:18:57.260 1 INFO cinder.rpc [None req-28ea6c52-41e5-48e2-821c-93a81b6c168d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-02-24 04:18:57.263 1 INFO cinder.rpc [None req-28ea6c52-41e5-48e2-821c-93a81b6c168d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-02-24 04:18:57.322 1 WARNING oslo_config.cfg [None req-28ea6c52-41e5-48e2-821c-93a81b6c168d - - - - - -] 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. 2026-02-24 04:18:57.323 1 WARNING oslo_config.cfg [None req-28ea6c52-41e5-48e2-821c-93a81b6c168d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-02-24 04:18:57.332 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-02-24 04:18:57.357 1 INFO cinder.backup.manager [None req-7e9e2651-142c-4394-9c0a-306a8b564b76 - - - - - -] Cleaning up incomplete backup operations. 2026-02-24 04:18:57.414 1 INFO cinder.keymgr.migration [None req-d3e19d72-0150-40c0-8a1a-4b95d9a2d143 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.