Transmission

Please see the logs, download.sh is just simple wrapper for transmission-cli,

root@debian-mm:/home/bob# ./download.sh --status
[2016-11-02 08:17:16.142 EDT] Port Forwarding (NAT-PMP): initnatpmp succeeded (0)
[2016-11-02 08:17:16.142 EDT] Port Forwarding (NAT-PMP): sendpublicaddressrequest ...