<blockquote>
<p>I can't reproduce your issue. I get:</p>
<pre><code>2019-07-22 17:22:26,498 - INFO # main(): This is RIOT! (Version: 2019.04)
2019-07-22 17:22:26,500 - INFO # Vehicle control execute 
2019-07-22 17:22:26,500 - INFO # 
2019-07-22 17:22:26,504 - INFO # gateway: fe80::f58c:2fb7:adad:1
2019-07-22 17:22:26,506 - INFO # local: fe80::f58c:2fb7:adad:10
2019-07-22 17:22:26,506 - INFO # send 2
</code></pre>
<p>and <code>send 2</code> continues 'endlessly'. Any ideas <a class="user-mention" data-hovercard-type="user" data-hovercard-url="/hovercards?user_id=42711262" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/jhx2002">@jhx2002</a>?</p>
<p>What is your compiler version? Did you double check that there are no other (unstaged) changes in your repository?</p>
</blockquote>
<p>how long did you run the test case</p>

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