doc/output: Highlight ethertype value change

Issue: 8007

Highlight the change to how ether_type values are displayed. Previously,
they were displayed in network order as a decimal value.

They are now displayed in host order as a decimal value.

(cherry picked from commit 16d124c)

Author: jlucovsky

doc/userguide/upgrade.rst

@@ -34,6 +34,15 @@ also check all the new features that have been added but are not covered by
 this guide. Those features are either not enabled by default or require
 dedicated new configuration.
 
+Upgrading to 8.0.2
+------------------
+
+Logging Changes
+~~~~~~~~~~~~~~~
+- Ethertype values (``ether.ether_type``) are now logged matching the network order value.
+  E.g., previously, ``ether_type`` values were logged in host order;  an ethertype value of ``0xfbb7``
+  (network order) was logged as `47099`` (``0xb7fb``). This ethertype value will be logged as ``64439``.
+
 Upgrading to 8.0.1
 ------------------