UDS + UDP unexpected messages

uds_block_example.ex

defmodule UdsBlockExample do
  def test_socket() do
    {:ok, socket} = :gen_udp.open(0, [:local, {:active, false}])

    for i <- 0..100000 do
      packet = ["#{i} hello " |> List.duplicate(100), "\n"]
      :gen_udp.send(socket, {:local, "/tmp/test.sock"}, 0, packet)

      receive do
        {:inet_reply, _port, _ref} = msg ->
          raise "Got unexpected inet reply message: #{inspect(msg)}"
      after
        0 -> nil
      end
    end

    :gen_udp.close(socket)
  end

  def test_listen() do
    {:ok, socket} = :gen_udp.open(0, [:local, :binary, {:ifaddr, {:local, "/tmp/test.sock"}}])

    listen_loop(socket)
  end

  defp listen_loop(socket) do
    receive do
      {:udp, _socket, peer_ip, peer_port, packet} ->
        IO.puts("Got packet from #{inspect(peer_ip)} #{inspect(peer_port)}: #{byte_size(packet)} bytes")
        listen_loop(socket)
    end
  end
end