329.097651] sunxi-ehci 4200000.ehci1-controller: ehci_irq: highspeed device connect
[  329.430362] usb 1-1: new high-speed USB device number 2 using sunxi-ehci
[  588.619464] sunxi-ehci 4200000.ehci1-controller: ehci_irq: highspeed device disconnect
[  588.619894] usb 1-1: USB disconnect, device number 2
[  593.030050] sunxi-ehci 4200000.ehci1-controller: ehci_irq: highspeed device connect
[  593.296801] usb 1-1: new high-speed USB device number 3 using sunxi-ehci
[  597.666897] sunxi-ehci 4200000.ehci1-controller: ehci_irq: highspeed device disconnect
[  597.667432] usb 1-1: USB disconnect, device number 3
[  599.427918] sunxi-ehci 4200000.ehci1-controller: ehci_irq: highspeed device connect
[  599.696948] usb 1-1: new high-speed USB device number 4 using sunxi-ehci
[  765.951277] sunxi-ehci 4200000.ehci1-controller: ehci_irq: highspeed device disconnect
[  765.951705] usb 1-1: USB disconnect, device number 4
[  767.032149] sunxi-ehci 4200000.ehci1-controller: ehci_irq: highspeed device connect
[  767.301175] usb 1-1: new high-speed USB device number 5 using sunxi-ehci
[  912.772627] sunxi-ehci 4200000.ehci1-controller: ehci_irq: highspeed device disconnect
[  912.773484] usb 1-1: USB disconnect, device number 5
[  913.694449] sunxi-ehci 4200000.ehci1-controller: ehci_irq: highspeed device connect
[  913.964719] usb 1-1: new high-speed USB device number 6 using sunxi-ehci