diff --git a/internal/onload_device/fingerprint.go b/internal/onload_device/fingerprint.go
index aeb93c7..c05441f 100644
--- a/internal/onload_device/fingerprint.go
+++ b/internal/onload_device/fingerprint.go
@@ -99,6 +99,7 @@ func (d *OnloadDevicePlugin) getFingerprintData() (*FingerprintData, error) {
 	for _, dev := range deviceInfos {
 		for _, deviceType := range deviceTypes {
 			// create pseudo-devices for non-exclusive access
+			d.logger.Info("Fingerprinted NIC device", "deviceType", deviceType, "iface", dev.Interface)
 			devices = append(devices, makePsuedoDeviceFingerprints(d.config.NumPsuedoNIC, deviceType, dev)...)
 		}
 	}
@@ -107,6 +108,7 @@ func (d *OnloadDevicePlugin) getFingerprintData() (*FingerprintData, error) {
 	if d.config.ProbePPS {
 		if devs, err := ProbePPS(); err == nil {
 			for _, dev := range devs {
+				d.logger.Info("Fingerprinted PPS device", "deviceType", deviceType_PPS, "iface", dev.Interface)
 				devices = append(devices, makePsuedoDeviceFingerprints(d.config.NumPsuedoPPS, deviceType_PPS, dev)...)
 			}
 		} else {
@@ -116,6 +118,7 @@ func (d *OnloadDevicePlugin) getFingerprintData() (*FingerprintData, error) {
 	if d.config.ProbePTP {
 		if devs, err := ProbePTP(); err == nil {
 			for _, dev := range devs {
+				d.logger.Info("Fingerprinted PTP device", "deviceType", deviceType_PTP, "iface", dev.Interface)
 				devices = append(devices, makePsuedoDeviceFingerprints(d.config.NumPsuedoPTP, deviceType_PTP, dev)...)
 			}
 		} else {
@@ -138,7 +141,7 @@ func makePsuedoDeviceFingerprints(numPsuedoDevices int, deviceType string, devIn
 		deviceID := fmt.Sprintf("%s-%d", devInfo.Interface, i)
 		fingprintDevices = append(fingprintDevices, &FingerprintDeviceData{
 			Interface:  deviceID,
-			Model:      devInfo.Interface, // hard to know actual Model, so allow Interface as specifier
+			Model:      devInfo.Interface, // hard to know actual Model, so use Interface as specifier
 			DeviceType: deviceType,
 			Vendor:     devInfo.Vendor,
 			PCIBusID:   devInfo.PCIBusID,
@@ -277,11 +280,10 @@ func (d *OnloadDevicePlugin) deviceGroupFromFingerprintData(groupName string, de
 
 	dev := deviceList[0] // safe, we checked above
 	deviceGroup := &device.DeviceGroup{
-		Vendor:  dev.Vendor,
-		Type:    dev.DeviceType,
-		Name:    groupName,
-		Devices: devices,
-		// TODO: what are common attributes?
+		Vendor:     dev.Vendor,
+		Type:       dev.DeviceType,
+		Name:       groupName,
+		Devices:    devices,
 		Attributes: map[string]*structs.Attribute{},
 	}
 
diff --git a/internal/onload_device/probes.go b/internal/onload_device/probes.go
index 9241a85..addb2f4 100644
--- a/internal/onload_device/probes.go
+++ b/internal/onload_device/probes.go
@@ -142,8 +142,9 @@ func ProbePPS() ([]DeviceInfo, error) {
 	}
 	var devs []DeviceInfo
 	for _, ppsDevice := range ppsDevices {
+		iface := strings.TrimPrefix(ppsDevice, "/dev/")
 		devs = append(devs, DeviceInfo{
-			Interface: ppsDevice,
+			Interface: iface,
 			Vendor:    vendor_None, // TODO: this is discoverable?
 			PCIBusID:  "",          // TODO: this is discoverable?
 		})
@@ -159,8 +160,9 @@ func ProbePTP() ([]DeviceInfo, error) {
 	}
 	var devs []DeviceInfo
 	for _, ptpDevice := range ptpDevices {
+		iface := strings.TrimPrefix(ptpDevice, "/dev/")
 		devs = append(devs, DeviceInfo{
-			Interface: ptpDevice,
+			Interface: iface,
 			Vendor:    vendor_None, // TODO: this is discoverable?
 			PCIBusID:  "",          // TODO: this is discoverable?
 		})
diff --git a/internal/onload_device/reserve.go b/internal/onload_device/reserve.go
index 78fb917..bf5f342 100644
--- a/internal/onload_device/reserve.go
+++ b/internal/onload_device/reserve.go
@@ -104,27 +104,24 @@ func (d *OnloadDevicePlugin) Reserve(deviceIDs []string) (*device.ContainerReser
 		Mounts:  []*device.Mount{},
 		Devices: []*device.DeviceSpec{},
 	}
-
 	// Add devices
 	for _, deviceID := range deviceIDs {
 		device, ok := d.devices[deviceID]
 		if !ok {
-			d.logger.Warn("Device not known", "deviceID", deviceID)
+			d.logger.Warn("Reserving a device not known", "deviceID", deviceID)
 			continue
 		}
+
 		switch device.DeviceType {
-		case deviceType_Onload:
-		case deviceType_ZF:
-		case deviceType_OnloadZF:
+		case deviceType_Onload, deviceType_ZF, deviceType_OnloadZF:
 			// updates resp
 			d.logger.Info("Reserving onload device", "deviceID", deviceID, "deviceType", device.DeviceType)
 			d.reserveOnloadDevice(resp, device.DeviceType, deviceID)
-		case deviceType_PTP:
-		case deviceType_PPS:
+		case deviceType_PTP, deviceType_PPS:
 			d.logger.Info("Reserving timekeeping device", "deviceID", deviceID, "deviceType", device.DeviceType)
-			d.reserveTimekeepingDevice(resp, device.DeviceType, device.Interface)
+			d.reserveTimekeepingDevice(resp, device.DeviceType, device.Model)
 		default:
-			d.logger.Warn("DeviceType not known", "deviceType", device.DeviceType, "deviceID", deviceID)
+			d.logger.Warn("Reserving a DeviceType not known", "deviceType", device.DeviceType, "deviceID", deviceID)
 			continue
 		}