<literal>macvlan</literal>, <literal>vxlan</literal>,
<literal>ipip</literal>, <literal>gre</literal>,
<literal>sit</literal>, <literal>vti</literal>,
- <literal>veth</literal>, and <literal>dummy</literal>
+ <literal>veth</literal>, <literal>tun</literal>,
+ <literal>tap</literal> and <literal>dummy</literal>
are supported. This option is compulsory.</para>
</listitem>
</varlistentry>
<listitem><para>Takes a boolean argument. Configures whether packets
should be prepened with four extra bytes (two flag bytes and two
protocol bytes). If disabled it indicates that the packets will be
- pure IP packets. Defaults to <literal>yes</literal>.</para>
+ pure IP packets. Defaults to <literal>no</literal>.</para>
</listitem>
</varlistentry>
<varlistentry>