+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-02-27 15:10:20.327 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-02-27 15:10:20.580 1 INFO cinder.rpc [None req-a519e31c-38d4-4884-8bd2-43565fad6724 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-02-27 15:10:20.585 1 INFO cinder.rpc [None req-a519e31c-38d4-4884-8bd2-43565fad6724 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-02-27 15:10:20.588 1 INFO cinder.rpc [None req-a519e31c-38d4-4884-8bd2-43565fad6724 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-02-27 15:10:20.600 1 INFO cinder.rpc [None req-a519e31c-38d4-4884-8bd2-43565fad6724 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-02-27 15:10:20.604 1 INFO cinder.rpc [None req-a519e31c-38d4-4884-8bd2-43565fad6724 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-02-27 15:10:20.607 1 INFO cinder.rpc [None req-a519e31c-38d4-4884-8bd2-43565fad6724 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-02-27 15:10:20.682 1 WARNING oslo_config.cfg [None req-a519e31c-38d4-4884-8bd2-43565fad6724 - - - - - -] 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.
2026-02-27 15:10:20.684 1 WARNING oslo_config.cfg [None req-a519e31c-38d4-4884-8bd2-43565fad6724 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-02-27 15:10:20.697 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-02-27 15:10:20.716 1 INFO cinder.backup.manager [None req-7648d413-6f84-4942-a57d-2196608b2185 - - - - - -] Cleaning up incomplete backup operations.
2026-02-27 15:10:20.854 1 INFO cinder.keymgr.migration [None req-67d2bc5e-864e-4042-b61c-035e53c6661b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.