Similar issue as T148016: ms-be1017 repeated usb connect/disconnect message though for a different usb driver, the connect/disconnect messages are reported periodically:
Oct 13 10:10:47 lvs2002 kernel: [644865.520886] usb 2-1.3: USB disconnect, device number 67 Oct 13 10:10:47 lvs2002 kernel: [644865.944850] usb 2-1.3: new high-speed USB device number 68 using ehci-pci Oct 13 10:10:47 lvs2002 kernel: [644866.041148] usb 2-1.3: New USB device found, idVendor=0424, idProduct=2660 Oct 13 10:10:47 lvs2002 kernel: [644866.041151] usb 2-1.3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 Oct 13 10:10:47 lvs2002 kernel: [644866.041421] hub 2-1.3:1.0: USB hub found Oct 13 10:10:47 lvs2002 kernel: [644866.041518] hub 2-1.3:1.0: 2 ports detected Oct 13 10:11:40 lvs2002 kernel: [644919.362727] usb 2-1.3: USB disconnect, device number 68 Oct 13 10:11:41 lvs2002 kernel: [644919.782691] usb 2-1.3: new high-speed USB device number 69 using ehci-pci Oct 13 10:11:41 lvs2002 kernel: [644919.875006] usb 2-1.3: New USB device found, idVendor=0424, idProduct=2660 Oct 13 10:11:41 lvs2002 kernel: [644919.875009] usb 2-1.3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 Oct 13 10:11:41 lvs2002 kernel: [644919.875156] hub 2-1.3:1.0: USB hub found Oct 13 10:11:41 lvs2002 kernel: [644919.875253] hub 2-1.3:1.0: 2 ports detected