creds:            creds,
	})
	var prevResult madmin.SpeedTestResult
	for {
		select {
		case <-ctx.Done():
			return
		case <-keepAliveTicker.C:
			// if previous result is set keep writing the
			// previous result back to the client
			if prevResult.Version != "" {
				if err := enc.Encode(prevResult); err != nil {
					return
				}
			} else {

        "type": "testIPAM"
    },
    "dns": {
        "nameservers": ["testNameServer"],
        "domain": "testDomain",
        "search": ["testSearch"],
        "options": ["testOption"]
    },
    "prevResult": {
        "cniversion": "%s",
        "interfaces": [
            {
                "name": "%s",
                "sandbox": "%s"
            }
        ],
        "ips": [
            {