def METHOD_NAME(duthost, tbinfo, ptf_port_id):
    """
    Given a ptf port ID, find the corresponding port name on the DUT ex. Ethernet0
    """
    ext_minig_facts = duthost.get_extended_minigraph_facts(tbinfo)
    for dut_port, ptf_port in ext_minig_facts['minigraph_ptf_indices'].items():
        if ptf_port == int(ptf_port_id):
            return dut_port
    return None