Every 2,0s: dmesg | tail                                                                                                                                         Sun Sep 29 17:29:08 2013

[16683.579596] input: Logitech USB Optical Mouse as /devices/pci0000:00/0000:00:04.0/usb3/3-1/3-1:1.0/input/input14
[16683.579898] generic-usb 0003:046D:C058.0004: input,hidraw0: USB HID v1.11 Mouse [Logitech USB Optical Mouse] on usb-0000:00:04.0-1/input0
[16812.204056] tg3 0000:0b:00.0: eth0: Link is down
[16817.271117] ADDRCONF(NETDEV_UP): eth0: link is not ready
[16826.066584] NMI watchdog enabled, takes one hw-pmu counter.
[16826.067584] NMI watchdog enabled, takes one hw-pmu counter.
[16827.756061] tg3 0000:0b:00.0: eth0: Link is up at 100 Mbps, full duplex
[16827.756068] tg3 0000:0b:00.0: eth0: Flow control is off for TX and off for RX
[16827.756833] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[16837.888037] eth0: no IPv6 routers present