natpmpc -g => segmentation fault

[odarcan]

I run natpmpc -g
and get
Segmentation fault (core dumped)

Im running latest Mint.

.

after running natpmpc -a 12345 12345 tcp 3600 ...

after these :
initnatpmp() returned 0 (SUCCESS)
using gateway : 192.168.....
sendpublicaddressrequest returned 2 (SUCCESS)

are these lines supposed to repeat ? :
readnatpmpresponseorretry returned -100 (TRY AGAIN)
readnatpmpresponseorretry returned -100 (TRY AGAIN)
readnatpmpresponseorretry returned -100 (TRY AGAIN)
readnatpmpresponseorretry returned -100 (TRY AGAIN)