[ 842.266504] usb 1-4: USB disconnect, device number 5
[ 853.987019] usb 1-3: new high-speed USB device number 6 using ehci_hcd
[ 854.118867] usb 1-3: New USB device found, idVendor=2001, idProduct=3c19
[ 854.118872] usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 854.118876] usb 1-3: Product: 11n Adapter
[ 854.118879] usb 1-3: Manufacturer: Ralink
[ 854.118881] usb 1-3: SerialNumber: 1.0
[ 875.386744] SELinux: initialized (dev proc, type proc), uses genfs_contexts
[ 944.483287] ATL1E 0000:02:00.0: em1: NIC Link is Down
[ 947.089615] ATL1E 0000:02:00.0: em1: NIC Link is Up <100 Mbps Full Duplex>
[ 947.106007] ATL1E 0000:02:00.0: em1: NIC Link is Down
[ 948.908227] ATL1E 0000:02:00.0: em1: NIC Link is Up <100 Mbps Full Duplex>
[ 1174.015391] ATL1E 0000:02:00.0: em1: NIC Link is Down
[ 1177.249417] ATL1E 0000:02:00.0: em1: NIC Link is Up <100 Mbps Full Duplex>
[ 1202.536131] ATL1E 0000:02:00.0: em1: NIC Link is Down
[ 1211.837532] ATL1E 0000:02:00.0: em1: NIC Link is Up <100 Mbps Full Duplex>
[ 2884.162810] SELinux: initialized (dev proc, type proc), uses genfs_contexts
[ 7153.322546] usb 1-3: USB disconnect, device number 6
[ 7156.720026] usb 1-4: new high-speed USB device number 7 using ehci_hcd
[ 7156.852940] usb 1-4: New USB device found, idVendor=2001, idProduct=3c19
[ 7156.852945] usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 7156.852949] usb 1-4: Product: 11n Adapter
[ 7156.852952] usb 1-4: Manufacturer: Ralink
[ 7156.852954] usb 1-4: SerialNumber: 1.0