+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-02 08:27:22.252 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-02 08:27:22.460 1 INFO cinder.rpc [None req-af99e9f6-f59c-4d72-998a-0a85622bb011 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-02 08:27:22.465 1 INFO cinder.rpc [None req-af99e9f6-f59c-4d72-998a-0a85622bb011 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-02 08:27:22.467 1 INFO cinder.rpc [None req-af99e9f6-f59c-4d72-998a-0a85622bb011 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-02 08:27:22.470 1 INFO cinder.rpc [None req-af99e9f6-f59c-4d72-998a-0a85622bb011 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-02 08:27:22.473 1 INFO cinder.rpc [None req-af99e9f6-f59c-4d72-998a-0a85622bb011 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-02 08:27:22.476 1 INFO cinder.rpc [None req-af99e9f6-f59c-4d72-998a-0a85622bb011 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-02 08:27:22.529 1 WARNING oslo_config.cfg [None req-af99e9f6-f59c-4d72-998a-0a85622bb011 - - - - - -] 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.
2026-09-02 08:27:22.530 1 WARNING oslo_config.cfg [None req-af99e9f6-f59c-4d72-998a-0a85622bb011 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-02 08:27:22.539 1 INFO cinder.service [-] Starting cinder-backup node (version 22.3.7)
2026-09-02 08:27:22.555 1 INFO cinder.backup.manager [None req-b3815257-54b0-4c24-b9fd-f8c07b0e288f - - - - - -] Cleaning up incomplete backup operations.
2026-09-02 08:27:22.806 1 INFO cinder.keymgr.migration [None req-99be6e26-2551-4b9a-93b3-1964168f933a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.