+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-20 11:04:31.670 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-20 11:04:31.944 1 INFO cinder.rpc [None req-cdc4d064-dacd-4f78-b448-ea12ac976ba9 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-20 11:04:31.946 1 INFO cinder.rpc [None req-cdc4d064-dacd-4f78-b448-ea12ac976ba9 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-20 11:04:31.949 1 INFO cinder.rpc [None req-cdc4d064-dacd-4f78-b448-ea12ac976ba9 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-20 11:04:31.951 1 INFO cinder.rpc [None req-cdc4d064-dacd-4f78-b448-ea12ac976ba9 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-20 11:04:31.954 1 INFO cinder.rpc [None req-cdc4d064-dacd-4f78-b448-ea12ac976ba9 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-20 11:04:31.956 1 INFO cinder.rpc [None req-cdc4d064-dacd-4f78-b448-ea12ac976ba9 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-20 11:04:32.014 1 WARNING oslo_config.cfg [None req-cdc4d064-dacd-4f78-b448-ea12ac976ba9 - - - - - -] 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. 2026-04-20 11:04:32.015 1 WARNING oslo_config.cfg [None req-cdc4d064-dacd-4f78-b448-ea12ac976ba9 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-20 11:04:32.023 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-20 11:04:32.048 1 INFO cinder.backup.manager [None req-f7b8d591-0f7a-4888-bfc2-ead44d41197a - - - - - -] Cleaning up incomplete backup operations. 2026-04-20 11:04:32.119 1 INFO cinder.keymgr.migration [None req-6aa27fa9-d571-4b90-8668-08880395a29d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.