+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-28 09:19:14.715 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-28 09:19:14.990 1 INFO cinder.rpc [None req-7c81aa07-fafc-4585-92e1-a8d3554b6029 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-28 09:19:14.993 1 INFO cinder.rpc [None req-7c81aa07-fafc-4585-92e1-a8d3554b6029 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-28 09:19:14.995 1 INFO cinder.rpc [None req-7c81aa07-fafc-4585-92e1-a8d3554b6029 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-28 09:19:14.998 1 INFO cinder.rpc [None req-7c81aa07-fafc-4585-92e1-a8d3554b6029 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-28 09:19:15.001 1 INFO cinder.rpc [None req-7c81aa07-fafc-4585-92e1-a8d3554b6029 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-28 09:19:15.004 1 INFO cinder.rpc [None req-7c81aa07-fafc-4585-92e1-a8d3554b6029 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-28 09:19:15.093 1 WARNING oslo_config.cfg [None req-7c81aa07-fafc-4585-92e1-a8d3554b6029 - - - - - -] 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. 2026-05-28 09:19:15.094 1 WARNING oslo_config.cfg [None req-7c81aa07-fafc-4585-92e1-a8d3554b6029 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-28 09:19:15.106 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-28 09:19:15.150 1 INFO cinder.backup.manager [None req-eb265e37-ac1d-46ca-9cd3-d7293aa96726 - - - - - -] Cleaning up incomplete backup operations. 2026-05-28 09:19:15.211 1 INFO cinder.keymgr.migration [None req-9aaf13d6-27bc-441f-b7ac-6ff202d0cd74 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.