求解循环打印USB信息

铭仔宝贝

请问，在调试RK3288时，为什么一直循环打印如下信息？
[    8.933177] usb 1-1: USB disconnect, device number 5
[    9.282946] usb 1-1: new high-speed USB device number 6 using dwc2
18 Jan 08:50:15 ntpd[488]: Deleting interface #3 eth0, 192.168.1.100#123, interface stats: received=0, sent=0, dropped=0, active_time=3 secs
[    9.484236] usb 1-1: New USB device found, idVendor=1a40, idProduct=0101
[    9.491042] usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[    9.498484] usb 1-1: Product: USB2.0 HUB
[    9.505898] hub 1-1:1.0: USB hub found
[    9.509723] hub 1-1:1.0: 4 ports detected
[   10.003086] usb 1-1: reset high-speed USB device number 6 using dwc2
[   10.423172] usb 1-1: USB disconnect, device number 6
[   10.772957] usb 1-1: new high-speed USB device number 7 using dwc2
[   10.974119] usb 1-1: New USB device found, idVendor=1a40, idProduct=0101
[   10.980984] usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[   10.988455] usb 1-1: Product: USB2.0 HUB
[   10.996292] hub 1-1:1.0: USB hub found
[   11.000466] hub 1-1:1.0: 4 ports detected