+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-10-02 09:41:23.775 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-10-02 09:41:24.097 1 INFO cinder.rpc [None req-c3a85d75-af5d-453d-a43a-9071751a1fda - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-10-02 09:41:24.100 1 INFO cinder.rpc [None req-c3a85d75-af5d-453d-a43a-9071751a1fda - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-10-02 09:41:24.103 1 INFO cinder.rpc [None req-c3a85d75-af5d-453d-a43a-9071751a1fda - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-10-02 09:41:24.105 1 INFO cinder.rpc [None req-c3a85d75-af5d-453d-a43a-9071751a1fda - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-10-02 09:41:24.108 1 INFO cinder.rpc [None req-c3a85d75-af5d-453d-a43a-9071751a1fda - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-10-02 09:41:24.111 1 INFO cinder.rpc [None req-c3a85d75-af5d-453d-a43a-9071751a1fda - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-10-02 09:41:24.172 1 WARNING oslo_config.cfg [None req-c3a85d75-af5d-453d-a43a-9071751a1fda - - - - - -] 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.
2026-10-02 09:41:24.173 1 WARNING oslo_config.cfg [None req-c3a85d75-af5d-453d-a43a-9071751a1fda - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-10-02 09:41:24.181 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-10-02 09:41:24.205 1 INFO cinder.backup.manager [None req-1edc240e-bfc1-4dc2-9278-aa365a057b37 - - - - - -] Cleaning up incomplete backup operations.
2026-10-02 09:41:24.244 1 INFO cinder.keymgr.migration [None req-3a356320-fef1-44bf-ba6e-a8690af8ce99 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.