Sender sleep between SYN/ACK and send.

prrt/time-receiver.c

@@ -156,6 +156,8 @@ int main(int argc, char **argv) {
            trans_receive_pace_dependent &&
            trans_receive_pace_internal &&
            trans_receive_pace_external);
+
+    printf("About to open socket.\n");
     s = _open(false, &arguments);
 
     uint32_t i = 0;

prrt/time-sender.c

@@ -166,6 +166,7 @@ int main(int argc, char **argv) {
     struct timespec start = prev;
     size_t payload_length = buffer_size * sizeof(char);
     assert(payload_length >= 2 * sizeof(struct timespec) + 20);
+    sleep_nano(1);
 	printf("Start sending.\n");
     while (round < rounds) {
 		struct timespec now;