code: def _check_for_supported_vendor(self, profile):
          
          vendor_info = profile.get('pci_vendor_info')
          if not vendor_info:
              return False
          if vendor_info not in self.supported_pci_devs:
              return False
          return True
docs: Checks if the port belongs to a supported vendor.
  
          Returns True for supported_pci_devs.