+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-23 13:45:21.045 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-23 13:45:21.328 1 INFO cinder.rpc [None req-bcd36028-7162-415f-a6e4-1370b17fd23b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-23 13:45:21.331 1 INFO cinder.rpc [None req-bcd36028-7162-415f-a6e4-1370b17fd23b - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-23 13:45:21.334 1 INFO cinder.rpc [None req-bcd36028-7162-415f-a6e4-1370b17fd23b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-23 13:45:21.336 1 INFO cinder.rpc [None req-bcd36028-7162-415f-a6e4-1370b17fd23b - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-23 13:45:21.339 1 INFO cinder.rpc [None req-bcd36028-7162-415f-a6e4-1370b17fd23b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-23 13:45:21.341 1 INFO cinder.rpc [None req-bcd36028-7162-415f-a6e4-1370b17fd23b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-23 13:45:21.407 1 WARNING oslo_config.cfg [None req-bcd36028-7162-415f-a6e4-1370b17fd23b - - - - - -] 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. 2026-04-23 13:45:21.408 1 WARNING oslo_config.cfg [None req-bcd36028-7162-415f-a6e4-1370b17fd23b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-23 13:45:21.419 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-23 13:45:21.444 1 INFO cinder.backup.manager [None req-fd6ec5b7-b07c-41ca-bf25-954b0c10feb4 - - - - - -] Cleaning up incomplete backup operations. 2026-04-23 13:45:21.497 1 INFO cinder.keymgr.migration [None req-74a1d851-6a04-4918-bd3a-24a035db766a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.