+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-28 17:45:21.381 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-28 17:45:21.665 1 INFO cinder.rpc [None req-ccb95ab3-0872-40a0-836b-0ee091ab0202 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-28 17:45:21.667 1 INFO cinder.rpc [None req-ccb95ab3-0872-40a0-836b-0ee091ab0202 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-28 17:45:21.669 1 INFO cinder.rpc [None req-ccb95ab3-0872-40a0-836b-0ee091ab0202 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-28 17:45:21.672 1 INFO cinder.rpc [None req-ccb95ab3-0872-40a0-836b-0ee091ab0202 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-28 17:45:21.675 1 INFO cinder.rpc [None req-ccb95ab3-0872-40a0-836b-0ee091ab0202 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-28 17:45:21.677 1 INFO cinder.rpc [None req-ccb95ab3-0872-40a0-836b-0ee091ab0202 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-28 17:45:21.747 1 WARNING oslo_config.cfg [None req-ccb95ab3-0872-40a0-836b-0ee091ab0202 - - - - - -] 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. 2026-04-28 17:45:21.749 1 WARNING oslo_config.cfg [None req-ccb95ab3-0872-40a0-836b-0ee091ab0202 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-28 17:45:21.760 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-28 17:45:21.787 1 INFO cinder.backup.manager [None req-bd562cd8-a687-47a6-bda9-28c2ee7b6dda - - - - - -] Cleaning up incomplete backup operations. 2026-04-28 17:45:21.849 1 INFO cinder.keymgr.migration [None req-6e2ae536-1aa5-41e8-9297-548de8eadc4a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.