Garmin connect (has two memory devices) :
1461677509.880428 uhub_intr#7@0: called!
1461677509.880429 uhub_intr#7@0: uhub4
1461677509.880430 uhub_intr#7@0: uhub4: explore pending 0
1461677509.880430 uhub_intr#7@0: uhub4: pending/new ports [0] 0x8/0x8
1461677509.880431 uhub_intr#7@0: uhub4: exploring ports [0] 0x8
1461677509.880440 uhub_explore#19@0: called!
1461677509.880440 uhub_explore#19@0: uhub1 dev=0xfffffe81076d5e10
addr=1 speed=3
1461677509.880446 uhub_explore#19@0: uhub1 s/c=0/0
1461677509.880449 uhub_explore#19@0: uhub1 port 1: s/c=503/0
1461677509.880450 uhub_explore#20@0: called!
1461677509.880451 uhub_explore#20@0: uhub3 dev=0xfffffe81076d58d0
addr=2 speed=3
1461677509.880678 uhub_explore#20@0: uhub3 port 2: s/c=100/0
1461677509.880678 uhub_explore#21@0: called!
1461677509.880679 uhub_explore#21@0: uhub4 dev=0xfffffe81076d5710
addr=4 speed=2
1461677509.880927 uhub_explore#21@0: uhub4 port 3: s/c=101/1
1461677509.880927 uhub_explore#21@0: uhub4 status change port 3
1461677509.881176 uhub_explore#21@0: unit 4 dev->speed=2 dev->depth=2
1461677510.510877 uhub_explore#21@0: uhub4 port 3 after reset: s/c=103/10
1461677510.510878 uhub_explore#21@0: uhub4 speed 2
1461677512.568463 uhub_intr#8@0: called!
1461677512.568463 uhub_intr#8@0: uhub4
1461677512.568464 uhub_intr#8@0: uhub4: explore pending 1
1461677512.568465 uhub_intr#8@0: uhub4: pending/new ports [0] 0x8/0x8
1461677513.252225 uhub_explore#21@0: usbd_new_device failed, error 17