+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-12 06:11:21.295 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-12 06:11:21.562 1 INFO cinder.rpc [None req-5703c0f7-fed8-42dc-9482-c2290df8a415 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-12 06:11:21.566 1 INFO cinder.rpc [None req-5703c0f7-fed8-42dc-9482-c2290df8a415 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-05-12 06:11:21.576 1 INFO cinder.rpc [None req-5703c0f7-fed8-42dc-9482-c2290df8a415 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-12 06:11:21.582 1 INFO cinder.rpc [None req-5703c0f7-fed8-42dc-9482-c2290df8a415 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-12 06:11:21.586 1 INFO cinder.rpc [None req-5703c0f7-fed8-42dc-9482-c2290df8a415 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-12 06:11:21.589 1 INFO cinder.rpc [None req-5703c0f7-fed8-42dc-9482-c2290df8a415 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-12 06:11:21.651 1 WARNING oslo_config.cfg [None req-5703c0f7-fed8-42dc-9482-c2290df8a415 - - - - - -] 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. 2026-05-12 06:11:21.653 1 WARNING oslo_config.cfg [None req-5703c0f7-fed8-42dc-9482-c2290df8a415 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-12 06:11:21.664 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-05-12 06:11:21.683 1 INFO cinder.backup.manager [None req-2685d439-7926-42dc-8038-0b3602fb474e - - - - - -] Cleaning up incomplete backup operations. 2026-05-12 06:11:21.843 1 INFO cinder.keymgr.migration [None req-11942178-6979-4b30-84e2-3164832c245d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.