K 10
svn:author
V 2
bz
K 8
svn:date
V 27
2011-05-29T21:03:40.115414Z
K 7
svn:log
V 272
Check for IPv4 or IPv6 to be available by the kernel to not
provoke errors trying to query options not available.
Make it possible to compile out INET or INET6 only parts.

Reviewed by:	jamie
Sponsored by:	The FreeBSD Foundation
Sponsored by:	iXsystems
MFC after:	10 days

END