Bug#1039613: nmap breaks udptunnel autopkgtest: UDPTunnel communication failed

[Gordon Fyodor Lyon]

Thanks Paul.  We did make some changes in Nmap 7.94 which could have caused
regressions.  I've opened an issue for this on our upstream tracker (
https://github.com/nmap/nmap/issues/2685).  Please let us know if you
figure anything else out.

-Gordon