FIX: newer versions of cliff import fcntl which fails on windows
FIX: newer versions of cliff import fcntl which fails on windows

cloudbase/hyperv-networking-ci,cloudbase/hyperv-networking-ci,andreibacos/hyperv-networking-ci,rbuzatu90/hyperv-networking-ci,rbuzatu90/hyperv-networking-ci,andreibacos/hyperv-networking-ci