Upgrade to version 0.13:
0.13 Fri Feb 20 16:11:02 EST 2015 - fully integrated Math::Int64 and hex parsing - added some exceptions for certain failure modes - enabled environment variable control of debug (NET_NMSG_DEBUG)
Differential Revision: https://reviews.freebsd.org/D1933
Approved by: mat (mentor)
Sponsored by: Farsight Security Inc.