Aug 25 01:49:07 myvm kernel: [  159.223419] usb 1-1: new high-speed USB device number 2 using ehci-pci
Aug 25 01:49:13 myvm kernel: [  164.876601] usb 1-1: device descriptor read/64, error -110
Aug 25 01:49:28 myvm kernel: [  180.736710] usb 1-1: device descriptor read/64, error -110
Aug 25 01:49:29 myvm kernel: [  181.260446] usb 1-1: new high-speed USB device number 3 using ehci-pci
Aug 25 01:49:35 myvm kernel: [  186.865726] usb 1-1: device descriptor read/64, error -110
Aug 25 01:49:50 myvm kernel: [  202.729830] usb 1-1: device descriptor read/64, error -110
Aug 25 01:49:51 myvm kernel: [  202.837792] usb usb1-port1: attempt power cycle
Aug 25 01:49:51 myvm kernel: [  203.333545] usb 1-1: new high-speed USB device number 4 using ehci-pci
Aug 25 01:50:02 myvm kernel: [  214.036146] usb 1-1: device not accepting address 4, error -110
Aug 25 01:50:02 myvm kernel: [  214.463960] usb 1-1: new high-speed USB device number 5 using ehci-pci
Aug 25 01:50:13 myvm kernel: [  225.294590] usb 1-1: device not accepting address 5, error -110
Aug 25 01:50:13 myvm kernel: [  225.294668] usb usb1-port1: unable to enumerate USB device