@pytest.fixture(scope='module', params=['ipv4', 'ipv6'])
def ip_version(request, tbinfo, duthosts, rand_one_dut_hostname):
    if ((tbinfo['topo']['type'] == 't0') and (request.param == 'ipv6')):
        pytest.skip('IPV6 ACL test not currently supported on t0 testbeds')
    return request.param
@pytest.fixture(scope='module', params=['ipv4', 'ipv6'])
def ip_version(request, tbinfo, duthosts, rand_one_dut_hostname):
    if ((tbinfo['topo']['type'] == 't0') and (request.param == 'ipv6')):
        pytest.skip('IPV6 ACL test not currently supported on t0 testbeds')
    return request.param