+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-07 23:45:31.291 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-07 23:45:31.517 1 INFO cinder.rpc [None req-14ea4d12-0fa7-4d27-b25c-4a95291f8106 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-07 23:45:31.520 1 INFO cinder.rpc [None req-14ea4d12-0fa7-4d27-b25c-4a95291f8106 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-05-07 23:45:31.522 1 INFO cinder.rpc [None req-14ea4d12-0fa7-4d27-b25c-4a95291f8106 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-07 23:45:31.525 1 INFO cinder.rpc [None req-14ea4d12-0fa7-4d27-b25c-4a95291f8106 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-07 23:45:31.528 1 INFO cinder.rpc [None req-14ea4d12-0fa7-4d27-b25c-4a95291f8106 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-07 23:45:31.530 1 INFO cinder.rpc [None req-14ea4d12-0fa7-4d27-b25c-4a95291f8106 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-07 23:45:31.576 1 WARNING oslo_config.cfg [None req-14ea4d12-0fa7-4d27-b25c-4a95291f8106 - - - - - -] 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. 2026-05-07 23:45:31.577 1 WARNING oslo_config.cfg [None req-14ea4d12-0fa7-4d27-b25c-4a95291f8106 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-07 23:45:31.588 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-05-07 23:45:31.605 1 INFO cinder.backup.manager [None req-c57adbba-29d7-4a75-a6b1-3c445755e069 - - - - - -] Cleaning up incomplete backup operations. 2026-05-07 23:45:31.722 1 INFO cinder.keymgr.migration [None req-9b40f388-ab25-4b7c-b997-a06c38b5d412 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.