journalctl -f 2

Aug 09 14:24:01 Fedoras systemd[1]: Started Session 12 of user fedoer.
Aug 09 14:24:01 Fedoras systemd[1]: Starting Session 12 of user fedoer.
Aug 09 14:24:02 Fedoras kernel: usb 7-3: new high-speed USB device number 4 using ehci-pci
Aug 09 14:24:02 Fedoras kernel: usb 7-3: New USB device found, idVendor=1f75, idProduct=0903
Aug 09 14:24:02 Fedoras kernel: usb 7-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
Aug 09 14:24:02 Fedoras kernel: usb 7-3: Product: IS903
Aug 09 14:24:02 Fedoras kernel: usb 7-3: Manufacturer: Innostor Technology Corp.
Aug 09 14:24:02 Fedoras kernel: usb-storage 7-3:1.0: USB Mass Storage device detected
Aug 09 14:24:02 Fedoras kernel: scsi host6: usb-storage 7-3:1.0
Aug 09 14:24:02 Fedoras mtp-probe[6560]: checking bus 7, device 4: "/sys/devices/pci0000:00/0000:00:16.2/usb7/7-3"
Aug 09 14:24:02 Fedoras mtp-probe[6560]: bus: 7, device: 4 was not an MTP device
Aug 09 14:24:03 Fedoras kernel: scsi 6:0:0:0: Direct-Access     Innostor NAND Flash       1.00 PQ: 0 ANSI: 6
Aug 09 14:24:03 Fedoras kernel: sd 6:0:0:0: Attached scsi generic sg1 type 0
Aug 09 14:24:03 Fedoras kernel: sd 6:0:0:0: [sdb] Attached SCSI removable disk
Aug 09 14:24:03 Fedoras systemd-udevd[613]: error: /dev/sdb: No medium found
Aug 09 14:24:03 Fedoras systemd-udevd[613]: error: /dev/sdb: No medium found
....#intentional
Aug 09 14:26:21 Fedoras kernel: usb 7-3: USB disconnect, device number 4
Aug 09 14:26:22 Fedoras systemd-udevd[613]: error opening USB device 'descriptors' file