man: add missing netdev kind in Tunnel section

diff --git a/man/systemd.netdev.xml b/man/systemd.netdev.xml
index c568a7e7f669ff89a4155453071b445930e91edf..ecfb660b586f0cb1c3148a8c1411b87432ae8f6f 100644 (file)
--- a/man/systemd.netdev.xml
+++ b/man/systemd.netdev.xml
@@ -751,8 +751,9 @@
     <literal>ip6gre</literal>,
     <literal>ip6gretap</literal>,
     <literal>vti</literal>,
-    <literal>vti6</literal>, and
-    <literal>ip6tnl</literal> and accepts
+    <literal>vti6</literal>,
+    <literal>ip6tnl</literal>, and
+    <literal>erspan</literal> and accepts
     the following keys:</para>
 
     <variablelist class='network-directives'>