zhouqt/autotest — comment on commit 1e79f5ee63ec3598066d06649cda96521c79dd43
File: client/tools/tapfd_helper.py line 18
By ypu:

This line force qemu cmdline use format ‘tap,id=***,’ for nic device. We should find a better one to suit for all conditions. Or at least print some help info here before script quit.