+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-14 16:21:35.329 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-14 16:21:35.559 1 INFO cinder.rpc [None req-ae7c6060-9fb0-4da9-9311-71994c3bb91d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-14 16:21:35.564 1 INFO cinder.rpc [None req-ae7c6060-9fb0-4da9-9311-71994c3bb91d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-14 16:21:35.567 1 INFO cinder.rpc [None req-ae7c6060-9fb0-4da9-9311-71994c3bb91d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-14 16:21:35.570 1 INFO cinder.rpc [None req-ae7c6060-9fb0-4da9-9311-71994c3bb91d - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-04-14 16:21:35.573 1 INFO cinder.rpc [None req-ae7c6060-9fb0-4da9-9311-71994c3bb91d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-14 16:21:35.576 1 INFO cinder.rpc [None req-ae7c6060-9fb0-4da9-9311-71994c3bb91d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-14 16:21:35.715 1 WARNING oslo_config.cfg [None req-ae7c6060-9fb0-4da9-9311-71994c3bb91d - - - - - -] 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. 2026-04-14 16:21:35.716 1 WARNING oslo_config.cfg [None req-ae7c6060-9fb0-4da9-9311-71994c3bb91d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-14 16:21:35.726 1 INFO cinder.service [-] Starting cinder-backup node (version 23.5.0) 2026-04-14 16:21:35.744 1 INFO cinder.backup.manager [None req-522f2194-4363-4a16-9a6c-7dd98fe708a1 - - - - - -] Cleaning up incomplete backup operations. 2026-04-14 16:21:35.806 1 INFO cinder.keymgr.migration [None req-352b9758-27a5-4bd1-a7cf-cbcf8a97061d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.