diff --git a/cpp/devices/daynaport.cpp b/cpp/devices/daynaport.cpp
index d5dce49e..ff9dd2a3 100644
--- a/cpp/devices/daynaport.cpp
+++ b/cpp/devices/daynaport.cpp
@@ -22,12 +22,14 @@
 
 #include "shared/shared_exceptions.h"
 #include "shared/network_util.h"
+#include "shared/s2p_util.h"
 #include "base/memory_util.h"
 #include "daynaport.h"
 
 using namespace scsi_defs;
 using namespace memory_util;
 using namespace network_util;
+using namespace s2p_util;
 
 // The MacOS DaynaPort driver needs to have a delay after the size/flags field of the read response.
 // It appears as if the real DaynaPort hardware indeed has this delay.
@@ -159,11 +161,14 @@ int DaynaPort::Read(cdb_t cdb, vector<uint8_t> &buf, uint64_t)
 
     // If we didn't receive anything, return size of 0
     if (rx_packet_size <= 0) {
-        LogTrace("No packet received");
+        LogTrace("No network packet received");
         response->length = 0;
         response->flags = read_data_flags_t::e_no_more_data;
         return DAYNAPORT_READ_HEADER_SZ;
     }
+    else if (spdlog::get_level() == spdlog::level::trace) {
+        LogTrace(fmt::format("Read {} byte(s) of network data:\n{}", rx_packet_size, FormatBytes(buf, rx_packet_size)));
+    }
 
     byte_read_count += rx_packet_size;
 
@@ -207,14 +212,15 @@ int DaynaPort::Read(cdb_t cdb, vector<uint8_t> &buf, uint64_t)
 //---------------------------------------------------------------------------
 bool DaynaPort::Write(cdb_t cdb, span<const uint8_t> buf)
 {
+    int data_length;
     if (const int data_format = cdb[5]; data_format == 0x00) {
-        const int data_length = GetInt16(cdb, 3);
+        data_length = GetInt16(cdb, 3);
         tap.Send(buf.data(), data_length);
         byte_write_count += data_length;
     }
     else if (data_format == 0x80) {
         // The data length is specified in the first 2 bytes of the payload
-        const int data_length = buf[1] + ((static_cast<int>(buf[0]) & 0xff) << 8);
+        data_length = buf[1] + ((static_cast<int>(buf[0]) & 0xff) << 8);
         tap.Send(&(buf.data()[4]), data_length);
         byte_write_count += data_length;
     }
@@ -222,6 +228,14 @@ bool DaynaPort::Write(cdb_t cdb, span<const uint8_t> buf)
         LogWarn(fmt::format("Unknown data format: ${:02x}", data_format));
     }
 
+    if (spdlog::get_level() == spdlog::level::trace) {
+        vector<uint8_t> data;
+        for (uint8_t b : buf) {
+            data.emplace_back(b);
+        }
+        LogTrace(fmt::format("Sent {} byte(s) of network data:\n{}", data_length, FormatBytes(data, data_length)));
+    }
+
     GetController()->SetBlocks(0);
 
     return true;