From Fedora Project Wiki
Description
This test case verifies how network interfaces registered for the Virtual Functions enabled by network adapters with SRIOV capability. For more information on SRIOV and how to enable Virtual Functions can be found here - http://fedoraproject.org/wiki/Test_Day:2009-09-17_Virtualization_SR-IOV.
Setup
Plug in a PCI add-in network adapter with SRIOV capability in say PCI Slot 3.
07:00.0 Ethernet controller: Intel Corporation 82576 Gigabit Network Connection (rev 01) [root@fedora-14-r710 ~]# lspci -s 07:00.0 -n 07:00.0 0200: 8086:10c9 (rev 01)