+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-06-08 01:31:07.645 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-06-08 01:31:07.921 1 INFO cinder.rpc [None req-709624db-6612-4f8f-b5b5-309df80e1fda - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-06-08 01:31:07.924 1 INFO cinder.rpc [None req-709624db-6612-4f8f-b5b5-309df80e1fda - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-06-08 01:31:07.926 1 INFO cinder.rpc [None req-709624db-6612-4f8f-b5b5-309df80e1fda - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-06-08 01:31:07.929 1 INFO cinder.rpc [None req-709624db-6612-4f8f-b5b5-309df80e1fda - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-06-08 01:31:07.932 1 INFO cinder.rpc [None req-709624db-6612-4f8f-b5b5-309df80e1fda - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-06-08 01:31:07.935 1 INFO cinder.rpc [None req-709624db-6612-4f8f-b5b5-309df80e1fda - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-06-08 01:31:08.013 1 WARNING oslo_config.cfg [None req-709624db-6612-4f8f-b5b5-309df80e1fda - - - - - -] 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. 2026-06-08 01:31:08.014 1 WARNING oslo_config.cfg [None req-709624db-6612-4f8f-b5b5-309df80e1fda - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-06-08 01:31:08.027 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-06-08 01:31:08.059 1 INFO cinder.backup.manager [None req-8ee6bfb7-d983-41b7-af8a-12a8f3b851f5 - - - - - -] Cleaning up incomplete backup operations. 2026-06-08 01:31:08.122 1 INFO cinder.keymgr.migration [None req-3668fd04-a6d0-4e0e-8dfc-7a9d758f728d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.