+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-27 12:29:54.184 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-27 12:29:54.488 1 INFO cinder.rpc [None req-4e719c55-94c0-48c3-8332-e43f9a61c16a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-27 12:29:54.491 1 INFO cinder.rpc [None req-4e719c55-94c0-48c3-8332-e43f9a61c16a - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-27 12:29:54.493 1 INFO cinder.rpc [None req-4e719c55-94c0-48c3-8332-e43f9a61c16a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-27 12:29:54.495 1 INFO cinder.rpc [None req-4e719c55-94c0-48c3-8332-e43f9a61c16a - - - - - -] Automatically selected cinder-volume RPC version 3.19 as minimum service version. 2026-04-27 12:29:54.498 1 INFO cinder.rpc [None req-4e719c55-94c0-48c3-8332-e43f9a61c16a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-27 12:29:54.501 1 INFO cinder.rpc [None req-4e719c55-94c0-48c3-8332-e43f9a61c16a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-27 12:29:54.579 1 WARNING oslo_config.cfg [None req-4e719c55-94c0-48c3-8332-e43f9a61c16a - - - - - -] 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. 2026-04-27 12:29:54.580 1 WARNING oslo_config.cfg [None req-4e719c55-94c0-48c3-8332-e43f9a61c16a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-27 12:29:54.592 1 INFO cinder.service [-] Starting cinder-backup node (version 24.4.1) 2026-04-27 12:29:54.614 1 INFO cinder.backup.manager [None req-204b63de-1798-458f-ae37-6dbbaf9272cc - - - - - -] Cleaning up incomplete backup operations. 2026-04-27 12:29:54.679 1 INFO cinder.keymgr.migration [None req-2497319b-e5ee-47d8-a1af-e633cf039095 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.