:param node: DUT node.
:param pf_pci_addr: Physical Function PCI device address.
- :param type: Either device or driver.
+ :param path: Either device or driver.
:param numvfs: Number of VFs to initialize, 0 - removes the VFs.
:type node: dict
:type pf_pci_addr: str
- :type type: str
+ :type path: str
:type numvfs: int
:raises RuntimeError: Failed to create VFs on PCI.
"""