+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-28 22:09:44.393 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-28 22:09:44.662 1 INFO cinder.rpc [None req-ce3568ff-8810-4fd5-8083-d00b98165a98 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-28 22:09:44.665 1 INFO cinder.rpc [None req-ce3568ff-8810-4fd5-8083-d00b98165a98 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-28 22:09:44.668 1 INFO cinder.rpc [None req-ce3568ff-8810-4fd5-8083-d00b98165a98 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-28 22:09:44.670 1 INFO cinder.rpc [None req-ce3568ff-8810-4fd5-8083-d00b98165a98 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-28 22:09:44.672 1 INFO cinder.rpc [None req-ce3568ff-8810-4fd5-8083-d00b98165a98 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-28 22:09:44.675 1 INFO cinder.rpc [None req-ce3568ff-8810-4fd5-8083-d00b98165a98 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-28 22:09:44.734 1 WARNING oslo_config.cfg [None req-ce3568ff-8810-4fd5-8083-d00b98165a98 - - - - - -] 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 22:09:44.735 1 WARNING oslo_config.cfg [None req-ce3568ff-8810-4fd5-8083-d00b98165a98 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-28 22:09:44.745 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-05-28 22:09:44.769 1 INFO cinder.backup.manager [None req-9c2bdac2-6fe3-4b90-ab74-ad52c134b927 - - - - - -] Cleaning up incomplete backup operations. 2026-05-28 22:09:44.813 1 INFO cinder.keymgr.migration [None req-3cfcb98d-77d5-49be-9340-dd7f6e40bea7 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.