code: func GetStatusCode(o dhcp6.Options) (*StatusCode, error) {
  	v, err := o.GetOne(dhcp6.OptionStatusCode)
  	if err != nil {
  		return nil, err
  	}
  
  	s := new(StatusCode)
  	err = s.UnmarshalBinary(v)
  	return s, err
  }
docs: // GetStatusCode returns the Status Code Option value, described in RFC 3315,
  // Section 22.13.
  //
  // The StatusCode return value may be used to determine a code and an
  // explanation for the status.