+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-07 11:15:10.262 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-07 11:15:10.494 1 INFO cinder.rpc [None req-15381241-4b36-48e1-a255-25a7c19fc91b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-07 11:15:10.497 1 INFO cinder.rpc [None req-15381241-4b36-48e1-a255-25a7c19fc91b - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-07 11:15:10.499 1 INFO cinder.rpc [None req-15381241-4b36-48e1-a255-25a7c19fc91b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-07 11:15:10.501 1 INFO cinder.rpc [None req-15381241-4b36-48e1-a255-25a7c19fc91b - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-07 11:15:10.504 1 INFO cinder.rpc [None req-15381241-4b36-48e1-a255-25a7c19fc91b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-07 11:15:10.506 1 INFO cinder.rpc [None req-15381241-4b36-48e1-a255-25a7c19fc91b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-07 11:15:10.554 1 WARNING oslo_config.cfg [None req-15381241-4b36-48e1-a255-25a7c19fc91b - - - - - -] 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.
2026-09-07 11:15:10.555 1 WARNING oslo_config.cfg [None req-15381241-4b36-48e1-a255-25a7c19fc91b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-07 11:15:10.565 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-09-07 11:15:10.583 1 INFO cinder.backup.manager [None req-5b3144db-cd58-4a8f-b246-ce5130dc923b - - - - - -] Cleaning up incomplete backup operations.
2026-09-07 11:15:10.718 1 INFO cinder.keymgr.migration [None req-73a24feb-7755-41c0-a5eb-c1806811948a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.