As an additional datapoint, I borrowed another Dell USB-C docking station from work and it ran just fine over night (MUCH longer than my D6000 docking station).
Here's the information that "dmesg" provides when I plug it in:
Code:
amdgpu 0000:01:00.0: GPU pci config reset
usb 1-2: new high-speed USB device number 10 using xhci_hcd
usb 1-2: New USB device found, idVendor=0424, idProduct=2807, bcdDevice= 2.04
usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-2: Product: USB2807 Hub
usb 1-2: Manufacturer: Microchip
hub 1-2:1.0: USB hub found
hub 1-2:1.0: 7 ports detected
usb 1-2.5: new high-speed USB device number 11 using xhci_hcd
usb 1-2.5: New USB device found, idVendor=0bda, idProduct=4014, bcdDevice= 0.05
usb 1-2.5: New USB device strings: Mfr=3, Product=1, SerialNumber=2
usb 1-2.5: Product: USB Audio
usb 1-2.5: Manufacturer: Generic
usb 1-2.5: SerialNumber: 200901010001
Attached si the DLSupportTool output after the working USB-C dock was running over night.