static const char *const ssh2_disconnect_reasons[] = {
    NULL,
    "host not allowed to connect",
    "protocol error",
    "key exchange failed",
    "host authentication failed",
    "mac error",
    "MAC error",
    "compression error",
    "service not available",
    "protocol version not supported",
    "host key not verifiable",
    "connection lost",
    "by application",
    "too many connections",