Is only useful with IPv6, right? Currently it doesn't build if you
don't have INET6 enabled. Is this patch correct:

--- files	2001/05/26 17:46:11	1.442
+++ files	2001/05/30 12:40:22
@@ -941,7 +943,7 @@
 file	net/bridgestp.c			bridge
 file	net/if_ethersubr.c		ether | fddi | netatalk | token |
 					    wlan | vlan | pppoe
-file	net/if_faith.c			faith			needs-flag
+file	net/if_faith.c			faith & inet & inet6	needs-flag
 file	net/if_fddisubr.c		fddi			needs-flag
 file	net/if_gif.c			gif			needs-flag
 file	net/if_gre.c			gre			needs-count	
/Johan