self.wait_for_console_pattern('Starting kernel ...')
self.wait_for_console_pattern('Booting Linux on physical CPU ' + cpu_id)
self.wait_for_console_pattern('lease of 10.0.2.15')
+ # the line before login:
self.wait_for_console_pattern('Aspeed EVB')
+ time.sleep(0.1)
exec_command(self, 'root')
time.sleep(0.1)