get Thread device's parent extended address and rloc16 short address

        Returns:
            The extended address of parent in hex format

def getParentAddress(self):
        """get Thread device's parent extended address and rloc16 short address

        Returns:
            The extended address of parent in hex format
        """
        print '%s call getParentAddress' % self.port
        parentInfo = []
        parentInfo = self.__stripValue(self.__sendCommand(WPANCTL_CMD + 'getporp -v Thread:Parent')).split(' ')

        return parentInfo[0]