C++, WinPcap pcap_open() 함수에서 발생한 문제 입니다.

/* Open the device */
    if ( (adhandle= pcap_open(d->name,
                              65536,
                              PCAP_OPENFLAG_PROMISCUOUS,
                              1000,
                              NULL,
                              errbuf
                              ) ) == NULL)
    {
        fprintf(stderr,"\nUnable to open the adapter. %s is not supported by WinPcap\n", d->name);
        /* Free the device list */
        pcap_freealldevs(alldevs);
        return -1;
    }