+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-09-29 04:16:36.951 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-09-29 04:16:37.159 1 INFO cinder.rpc [None req-d8f874fa-f8e1-4200-b610-60500c9faed1 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-09-29 04:16:37.164 1 INFO cinder.rpc [None req-d8f874fa-f8e1-4200-b610-60500c9faed1 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-09-29 04:16:37.167 1 INFO cinder.rpc [None req-d8f874fa-f8e1-4200-b610-60500c9faed1 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-09-29 04:16:37.170 1 INFO cinder.rpc [None req-d8f874fa-f8e1-4200-b610-60500c9faed1 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-09-29 04:16:37.172 1 INFO cinder.rpc [None req-d8f874fa-f8e1-4200-b610-60500c9faed1 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-09-29 04:16:37.176 1 INFO cinder.rpc [None req-d8f874fa-f8e1-4200-b610-60500c9faed1 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-09-29 04:16:37.260 1 WARNING oslo_config.cfg [None req-d8f874fa-f8e1-4200-b610-60500c9faed1 - - - - - -] 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 04:16:37.261 1 WARNING oslo_config.cfg [None req-d8f874fa-f8e1-4200-b610-60500c9faed1 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-09-29 04:16:37.274 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.2) 2026-09-29 04:16:37.291 1 INFO cinder.backup.manager [None req-9d4336ee-cfae-45af-8079-e0ef60b3fd89 - - - - - -] Cleaning up incomplete backup operations. 2026-09-29 04:16:37.418 1 INFO cinder.keymgr.migration [None req-9a47039d-f71a-4895-842a-0c1812c23aa5 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.