'get end state info'

def get_end_state(self):

    intf_info = self.get_interface_dict(self.interface)
    self.end_state['interface'] = self.interface
    self.end_state['ipv4addr'] = intf_info['am4CfgAddr']
    self.end_state['ipv6addr'] = intf_info['am6CfgAddr']
    self.end_state['ipv6enalbe'] = intf_info['enableFlag']
