The device that cannot attach is of the following IDs:
VendorId: 0x0781 (0781) ProductId: 0x5595 (5595)
VendorId: 0x0781 (0781) ProductId: 0x5595 (5595)
However I didn't see the device being plugged in after the VM started. Did you do that, insert the device after you had logged into the Guest?UUID: 547ad909-c329-41e0-9ea9-6ea1f8d3add8 VendorId: 0x0781 (0781) ProductId: 0x5595 (5595) Revision: 1.0 (0100) Port: 1 USB version/speed: 3/Super Manufacturer: SanDisk Product: Ultra USB 3.0 SerialNumber: 4C531001610626104534 Address: {36fc9e60-c465-11cf-8056-444553540000}\0025 Current State: Captured
lsusbBus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 002: ID 80ee:0021 VirtualBox USB Tablet Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub