Hi,

I have the same problem.  
I can perfectly use this key on a usb2 port.
The usb3 port is working, i can use pendrive on this port.

The outputs when the key is plugged on usb3 are:

1) dmesg

[40261.131061] usb 2-1: new SuperSpeed USB device number 6 using xhci_hcd
[40261.152025] usb 2-1: New USB device found, idVendor=0bda, idProduct=8153
[40261.152035] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=6
[40261.152042] usb 2-1: Product: USB 10/100/1000 LAN
[40261.152048] usb 2-1: Manufacturer: Realtek
[40261.152053] usb 2-1: SerialNumber: 000001000000
[40261.283522] usb 2-1: reset SuperSpeed USB device number 6 using xhci_hcd
[40261.345831] r8152 2-1:1.0 eth0: v1.09.9
[40261.407779] r8152 2-1:1.0 enx9cebe85eac03: renamed from eth0
[40261.433452] IPv6: ADDRCONF(NETDEV_UP): enx9cebe85eac03: link is not ready
[40261.437807] IPv6: ADDRCONF(NETDEV_UP): enx9cebe85eac03: link is not ready
[40261.471953] usb 2-1: USB disconnect, device number 6
[40261.472042] r8152 2-1:1.0 enx9cebe85eac03: Stop submitting intr, status -108


2) lspci

00:00.0 Host bridge: Intel Corporation Skylake Host Bridge/DRAM Registers (rev 08)
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 520 (rev 07)
00:04.0 Signal processing controller: Intel Corporation Skylake Processor Thermal Subsystem (rev 08)
00:13.0 Non-VGA unclassified device: Intel Corporation Sunrise Point-LP Integrated Sensor Hub (rev 21)
00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
00:15.0 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #0 (rev 21)
00:15.1 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #1 (rev 21)
00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21)
00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21)
00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 (rev f1)
00:1f.0 ISA bridge: Intel Corporation Sunrise Point-LP LPC Controller (rev 21)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21)
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
01:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter (rev 32)

3) lsb_release -a

LSB Version:	core-9.20170808ubuntu1-noarch:printing-9.20170808ubuntu1-noarch:security-9.20170808ubuntu1-noarch
Distributor ID:	Ubuntu
Description:	Ubuntu 18.04.1 LTS
Release:	18.04
Codename:	bionic

4) uname -a

Linux xxx-inspiron 4.15.0-39-generic #42-Ubuntu SMP Tue Oct 23 15:48:01 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux


5) lsusb

Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 04f3:2494 Elan Microelectronics Corp. 
Bus 001 Device 004: ID 0cf3:e007 Atheros Communications, Inc. 
Bus 001 Device 003: ID 0bda:58c2 Realtek Semiconductor Corp. 
Bus 001 Device 024: ID 045e:0797 Microsoft Corp. Optical Mouse 200
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub