+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-19 17:29:20.523 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-19 17:29:20.807 1 INFO cinder.rpc [None req-faf69609-e6e0-471a-8026-c3b25403c96a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-19 17:29:20.811 1 INFO cinder.rpc [None req-faf69609-e6e0-471a-8026-c3b25403c96a - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-19 17:29:20.814 1 INFO cinder.rpc [None req-faf69609-e6e0-471a-8026-c3b25403c96a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-19 17:29:20.817 1 INFO cinder.rpc [None req-faf69609-e6e0-471a-8026-c3b25403c96a - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-19 17:29:20.821 1 INFO cinder.rpc [None req-faf69609-e6e0-471a-8026-c3b25403c96a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-19 17:29:20.824 1 INFO cinder.rpc [None req-faf69609-e6e0-471a-8026-c3b25403c96a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-19 17:29:20.915 1 WARNING oslo_config.cfg [None req-faf69609-e6e0-471a-8026-c3b25403c96a - - - - - -] 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. 2026-05-19 17:29:20.916 1 WARNING oslo_config.cfg [None req-faf69609-e6e0-471a-8026-c3b25403c96a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-19 17:29:20.925 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-19 17:29:20.955 1 INFO cinder.backup.manager [None req-a05a6eec-9df1-424a-9359-b686d0d50363 - - - - - -] Cleaning up incomplete backup operations. 2026-05-19 17:29:21.021 1 INFO cinder.keymgr.migration [None req-fc2f69e3-1d4b-4234-b5b2-0509bdc75230 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.