When there is a locked MTU in the routing table, scapy gets confused

by the additional L.  So be aware of this additional column in
read_routes().
ok danj@

net/scapy/Makefile

@@ -1,10 +1,10 @@
-# $OpenBSD: Makefile,v 1.24 2016/12/09 16:40:11 bluhm Exp $
+# $OpenBSD: Makefile,v 1.25 2018/03/07 16:43:43 bluhm Exp $
 
 COMMENT=	powerful interactive packet manipulation in python
 
 MODPY_EGG_VERSION=	2.3.3
 DISTNAME=		scapy-${MODPY_EGG_VERSION}
-REVISION =		1
+REVISION =		2
 
 CATEGORIES=		net
 

net/scapy/patches/patch-scapy_arch_unix_py

@@ -0,0 +1,17 @@
+$OpenBSD: patch-scapy_arch_unix_py,v 1.4 2018/03/07 16:43:43 bluhm Exp $
+
+https://github.com/secdev/scapy/pull/1213
+
+Index: scapy/arch/unix.py
+--- scapy/arch/unix.py.orig
++++ scapy/arch/unix.py
+@@ -79,7 +79,8 @@ def read_routes():
+         else:
+             rt = l.split()
+             dest,gw,flg = rt[:3]
+-            netif = rt[4 + mtu_present + prio_present + refs_present]
++            locked = scapy.arch.OPENBSD and rt[6] == "L"
++            netif = rt[4 + mtu_present + prio_present + refs_present + locked]
+         if flg.find("Lc") >= 0:
+             continue                
+         if dest == "default":