def METHOD_NAME(self):
    stdout, stderr, retc = lib.base.coe(lib.shell.shell_exec(self.check + ' --test=stdout/EXAMPLE-b4.nok-wo-lacp'))
    self.assertRegex(stdout, r'Could not detect the MAC Address of the switch\. This could indicate that LACP is not configured properly\.')
    self.assertRegex(stdout, r'enp3s0f1 is down with 0 link failure')
    self.assertEqual(stderr, '')
    self.assertEqual(retc, STATE_WARN)