<p></p>
<p><b>@benpicco</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/RIOT-OS/RIOT/pull/16634#discussion_r668555595">sys/net/gnrc/Makefile.dep</a>:</p>
<pre style='color:#555'>> @@ -260,6 +260,7 @@ ifneq (,$(filter gnrc_icmpv6_echo,$(USEMODULE)))
   USEMODULE += gnrc_icmpv6
   USEMODULE += gnrc_ipv6_hdr
   USEMODULE += gnrc_netif_hdr
+  USEMODULE += netutils
</pre>
<p>let's leave <code>sc_gnrc_icmpv6_echo.c</code> for a later PR then.</p>

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