code: func LinkSetVfHardwareAddr(link Link, vf int, hwaddr net.HardwareAddr) error {
  	return pkgHandle.LinkSetVfHardwareAddr(link, vf, hwaddr)
  }
docs: // LinkSetVfHardwareAddr sets the hardware address of a vf for the link.
  // Equivalent to: `ip link set $link vf $vf mac $hwaddr`