diff --git a/client/client.go b/client/client.go
index 50a070e67..bd6a20216 100644
--- a/client/client.go
+++ b/client/client.go
@@ -582,6 +582,7 @@ func (c *Client) reservePorts() {
 func (c *Client) fingerprint() error {
 	whitelist := c.config.ReadStringListToMap("fingerprint.whitelist")
 	whitelistEnabled := len(whitelist) > 0
+	c.logger.Printf("[DEBUG] client: built-in fingerprints: %v", fingerprint.BuiltinFingerprints)
 
 	var applied []string
 	var skipped []string
diff --git a/client/fingerprint/cpu.go b/client/fingerprint/cpu.go
index 5027c8e9a..d1c90300d 100644
--- a/client/fingerprint/cpu.go
+++ b/client/fingerprint/cpu.go
@@ -48,10 +48,12 @@ func (f *CPUFingerprint) Fingerprint(cfg *config.Config, node *structs.Node) (bo
 
 	if mhz > 0 {
 		node.Attributes["cpu.frequency"] = fmt.Sprintf("%.6f", mhz)
+		f.logger.Printf("[DEBUG] fingerprint.cpu: frequency: %02.1fMHz", mhz)
 	}
 
 	if numCores > 0 {
 		node.Attributes["cpu.numcores"] = fmt.Sprintf("%d", numCores)
+		f.logger.Printf("[DEBUG] fingerprint.cpu: core count: %d", numCores)
 	}
 
 	if mhz > 0 && numCores > 0 {
diff --git a/client/fingerprint/network.go b/client/fingerprint/network.go
index ebea7bc9c..f2fec805e 100644
--- a/client/fingerprint/network.go
+++ b/client/fingerprint/network.go
@@ -77,6 +77,7 @@ func (f *NetworkFingerprint) Fingerprint(cfg *config.Config, node *structs.Node)
 
 	if throughput := f.linkSpeed(intf.Name); throughput > 0 {
 		newNetwork.MBits = throughput
+		f.logger.Printf("[DEBUG] fingerprint.network: link speed for %v set to %v", intf.Name, newNetwork.MBits)
 	} else {
 		f.logger.Printf("[DEBUG] fingerprint.network: Unable to read link speed; setting to default %v", cfg.NetworkSpeed)
 		newNetwork.MBits = cfg.NetworkSpeed
diff --git a/client/fingerprint/network_linux.go b/client/fingerprint/network_linux.go
index 34827364f..5a1ba001f 100644
--- a/client/fingerprint/network_linux.go
+++ b/client/fingerprint/network_linux.go
@@ -16,14 +16,14 @@ func (f *NetworkFingerprint) linkSpeedSys(device string) int {
 	// Read contents of the device/speed file
 	content, err := ioutil.ReadFile(path)
 	if err != nil {
-		f.logger.Printf("[WARN] fingerprint.network: Unable to read link speed from %s", path)
+		f.logger.Printf("[DEBUG] fingerprint.network: Unable to read link speed from %s", path)
 		return 0
 	}
 
 	lines := strings.Split(string(content), "\n")
 	mbs, err := strconv.Atoi(lines[0])
 	if err != nil || mbs <= 0 {
-		f.logger.Printf("[WARN] fingerprint.network: Unable to parse link speed from %s", path)
+		f.logger.Printf("[DEBUG] fingerprint.network: Unable to parse link speed from %s", path)
 		return 0
 	}