Ive reread - what happens if you try:
usb0: host=1-6.1
should be this device (in italic):
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/8p, 480M
|__ Port 6: Dev 69, If 0, Class=hub, Driver=hub/4p, 480M
|__ Port 1: Dev 70, If 0, Class=vend., Driver=cp210x, 12M...