.Builder()
        .body("abc")
        .build(),
    )
    val ipAddress = InetAddress.getLoopbackAddress().hostAddress
    val call =
      client.newCallWithListener(
        Request
          .Builder()
          .url(
            server
              .url("/")
              .newBuilder()
              .host(ipAddress!!)
              .build(),
          ).build(),
      )