verilator/test_regress/t/t_flag_threads_dpi_bad.out

%Error: Unknown setting for --threads-dpi: 'bad_one'
        ... Suggest 'all', 'none', or 'pure'
        ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance.
%Error: Exiting due to