make: Remove warning about unavailable Makefile

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
trafgen: different seeds for forks, drop privs later

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
tprintf: do not buffer internally

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
netsniff-ng: drop privs later

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>