net-mgmt/nfdump installs libtool created scripts instead of the real binaries. This seems to be more or less a global phenomenon within the ports infrastructure.
You're right, I'll work on a fix for nfdump.
Thanks, fix committed!
A commit references this bug:
Date: Tue Feb 28 20:02:40 UTC 2017
New revision: 435082
net-mgmt/nfdump: fix installation
- install real binaries and library, not libtool scripts
Submitted by: Trond.Endrestol@ximalas.info