--- Makefile.orig	2020-10-06 07:53:27.652193000 +0200
+++ Makefile	2020-10-06 08:58:29.939691000 +0200
@@ -19,8 +19,8 @@
 
 .include <bsd.port.options.mk>
 
-.if ${OSVERSION} >= 1300000
-IGNORE = The iplog port is broken for FreeBSD 13.x and above
+.if ${OSVERSION} >= 1300000 || ( ${OSVERSION} >= 1140000 && ${OSVERSION} < 1200000 ) || ( ${OSVERSION} >= 1201000 && ${OSVERSION} < 1300000 )
+IGNORE = The iplog port is broken for FreeBSD 11.4, 12.1, 13.0 and above
 .endif
 
 post-patch: