IFHWADDRLEN undefined on OSX
Merge branch 'master' of https://github.com/s390guy/hercules-390
Merge branch 'master' of https://github.com/s390guy/hercules-390
Merge branch 'master' of https://github.com/s390guy/hercules-390
Merge branch 'master' of https://github.com/s390guy/hercules-390
TUNSETIFF unsupported on IOS