man: link - add suggestion for debugging

udevadm test-builtin can be very useful for testing .link files, so add a reference.

Addresses issue #2406.

diff --git a/man/systemd.link.xml b/man/systemd.link.xml
index a9f8a654c8ceaedce0e915f041043ee8541c4f59..d5b4d1038d245ac3589de2f5b608b33c8866ca6e 100644 (file)
--- a/man/systemd.link.xml
+++ b/man/systemd.link.xml
@@ -82,6 +82,10 @@
     shipped by the system, any user-supplied
     <filename>.link</filename> should hence have a lexically earlier
     name to be considered at all.</para>
+
+    <para>See
+    <citerefentry><refentrytitle>udevadm</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+    for diagnosing problems with <filename>.link</filename> files.</para>
   </refsect1>
 
   <refsect1>