Set the 'radius service name' in the radius.d to $fr_service.

templates/radiusd.conf.erb

@@ -67,7 +67,7 @@ raddbdir = ${sysconfdir}/raddb
 radacctdir = ${logdir}/radacct
 
 #  name of the running server.  See also the "-n" command-line option.
-name = radiusd
+name = <%= @fr_service %>
 
 #  Location of config and logfiles.
 confdir = ${raddbdir}