Sets the specified virtual network IPv6 net mask.
PRL_RESULT PrlVirtNet_SetIP6NetMask( PRL_HANDLE hVirtNet, PRL_CONST_STR sIPNetMask );
PrlApiNet.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_SUCCESS - function completed successfully.