+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-06-10 08:56:03.644 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-06-10 08:56:03.880 1 INFO cinder.rpc [None req-0620507a-984c-4ecb-aab8-922d62071859 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-06-10 08:56:03.883 1 INFO cinder.rpc [None req-0620507a-984c-4ecb-aab8-922d62071859 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-06-10 08:56:03.885 1 INFO cinder.rpc [None req-0620507a-984c-4ecb-aab8-922d62071859 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-06-10 08:56:03.887 1 INFO cinder.rpc [None req-0620507a-984c-4ecb-aab8-922d62071859 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-06-10 08:56:03.890 1 INFO cinder.rpc [None req-0620507a-984c-4ecb-aab8-922d62071859 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-06-10 08:56:03.892 1 INFO cinder.rpc [None req-0620507a-984c-4ecb-aab8-922d62071859 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-06-10 08:56:04.021 1 WARNING oslo_config.cfg [None req-0620507a-984c-4ecb-aab8-922d62071859 - - - - - -] 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. 2026-06-10 08:56:04.022 1 WARNING oslo_config.cfg [None req-0620507a-984c-4ecb-aab8-922d62071859 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-06-10 08:56:04.034 1 INFO cinder.service [-] Starting cinder-backup node (version 23.5.0) 2026-06-10 08:56:04.052 1 INFO cinder.backup.manager [None req-db9e5214-b6c3-4612-9181-28c3a7871edb - - - - - -] Cleaning up incomplete backup operations. 2026-06-10 08:56:04.114 1 INFO cinder.keymgr.migration [None req-542eedf4-0764-47d2-9064-58b19a4c15dc - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.