diff --git a/src/iperf_udp.c b/src/iperf_udp.c
index b697c9729..45e2e6454 100644
--- a/src/iperf_udp.c
+++ b/src/iperf_udp.c
@@ -250,8 +250,11 @@ iperf_udp_send(struct iperf_stream *sp)
 
     r = Nwrite(sp->socket, sp->buffer, size, Pudp);
 
-    if (r < 0)
-	return r;
+    if (r < 0) {
+        if (r == NET_SOFTERROR && sp->test->debug_level >= DEBUG_LEVEL_INFO)
+            printf("UDP send failed on NET_SOFTERROR. errno=%s\n", strerror(errno));
+        return r;
+    }
 
     sp->result->bytes_sent += r;
     sp->result->bytes_sent_this_interval += r;