--- packetbeat/packetbeat.yml.orig	2020-08-11 15:19:45 UTC
+++ packetbeat/packetbeat.yml
@@ -10,8 +10,10 @@
 # =============================== Network device ===============================
 
 # Select the network interface to sniff the data. On Linux, you can use the
-# "any" keyword to sniff on all connected interfaces.
-packetbeat.interfaces.device: any
+# "any" keyword to sniff on all connected interfaces. FreeBSD is a bit different
+# and the beats programmers did not bother to implement it, so you must set this
+# to your preferred device
+packetbeat.interfaces.device: em0
 
 # =================================== Flows ====================================
 
