Comment 14 for bug 1584557

and then:
[ 2081.759381] sd 0:0:0:0: tag#0 uas_eh_abort_handler 0 uas-tag 1 inflight: IN
[ 2081.759388] sd 0:0:0:0: tag#0 CDB: Report supported operation codes a3 0c 01 12 00 00 00 00 02 00 00 00
[ 2081.759576] scsi host0: uas_eh_bus_reset_handler start
[ 2081.879432] usb 2-1: reset SuperSpeed USB device number 8 using xhci_hcd
[ 2081.902123] scsi host0: uas_eh_bus_reset_handler success
[ 2114.526621] sd 0:0:0:0: tag#0 uas_eh_abort_handler 0 uas-tag 1 inflight: IN
[ 2114.526628] sd 0:0:0:0: tag#0 CDB: Report supported operation codes a3 0c 01 12 00 00 00 00 02 00 00 00
[ 2114.526751] scsi host0: uas_eh_bus_reset_handler start
[ 2114.647413] usb 2-1: reset SuperSpeed USB device number 8 using xhci_hcd
[ 2114.669711] scsi host0: uas_eh_bus_reset_handler success
[ 2145.246599] sd 0:0:0:0: tag#0 uas_eh_abort_handler 0 uas-tag 1 inflight: IN
[ 2145.246606] sd 0:0:0:0: tag#0 CDB: Report supported operation codes a3 0c 01 12 00 00 00 00 02 00 00 00
[ 2145.246691] scsi host0: uas_eh_bus_reset_handler start
[ 2145.366868] usb 2-1: reset SuperSpeed USB device number 8 using xhci_hcd
[ 2145.388835] scsi host0: uas_eh_bus_reset_handler success

and regularli every 30sec it repeats