code: def get(self):
          
          resource = dict()
          resource.update(self._parse_mac_address())
          resource.update(self._parse_interfaces())
          return resource
docs: Returns the current VARP configuration
  
          The Varp resource returns the following:
  
              * mac_address (str): The virtual-router mac address
              * interfaces (dict): A list of the interfaces that have a
                                   virtual-router address configured.
  
          Return:
              A Python dictionary object of key/value pairs that represents
              the current configuration of the node.  If the specified
              interface does not exist then None is returned::
  
                  {
                      "mac_address": "aa:bb:cc:dd:ee:ff",
                      "interfaces": {
                          "Vlan100": {
                              "addresses": [ "1.1.1.1", "2.2.2.2"]
                          },
                          "Vlan200": [...]
                      }
                  }