Checking if your kit is complete...
Looks good
Writing Makefile for Linux::TunTap
cp lib/Linux/TunTap.pm blib/lib/Linux/TunTap.pm
Manifying blib/man3/Linux::TunTap.3
PERL_DL_NONLAZY=1 /Users/cpanrun/pristine/5.8.7/bin/perl "-MExtUtils::Command::MM" "-e" "test_harness(0, 'blib/lib', 'blib/arch')" t/*.t
t/use....# Failed test 2 in t/use.t at line 15
#  t/use.t line 15 is: ok($^O eq 'linux');
# Failed test 3 in t/use.t at line 17
#  t/use.t line 17 is: ok(-e '/dev/net/tun');
FAILED tests 2-3
	Failed 2/3 tests, 33.33% okay
Failed Test Stat Wstat Total Fail  Failed  List of Failed
-------------------------------------------------------------------------------
t/use.t                    3    2  66.67%  2-3
Failed 1/1 test scripts, 0.00% okay. 2/3 subtests failed, 33.33% okay.
make: *** [test_dynamic] Error 25