code: def add_vlan_int(self, vlan_id):
          
          config = ET.Element('config')
          vlinterface = ET.SubElement(config, 'interface-vlan',
                                      xmlns=("urn:brocade.com:mgmt:"
                                             "brocade-interface"))
          interface = ET.SubElement(vlinterface, 'interface')
          vlan = ET.SubElement(interface, 'vlan')
          name = ET.SubElement(vlan, 'name')
          name.text = vlan_id
          try:
              self._callback(config)
              return True
          # TODO add logging and narrow exception window.
          except Exception as error:
              logging.error(error)
              return False
docs: Add VLAN Interface. VLAN interfaces are required for VLANs even when
          not wanting to use the interface for any L3 features.
  
          Args:
              vlan_id: ID for the VLAN interface being created. Value of 2-4096.
  
          Returns:
              True if command completes successfully or False if not.
  
          Raises:
              None