max@max:~$ dmesg | grep eth
[ 1.637556] r8169 0000:02:00.0: eth0: RTL8168c/8111c at 0xf8118000, 00:1f:d0:55:95:a4, XID 1c4000c0 IRQ 43
[ 1.650294] eth1: IC Plus Corporation IP100A FAST Ethernet Adapter at 0001cf00, 94:0c:6d:85:58:d3, IRQ 20.
[ 1.651179] eth1: MII PHY found at address 0, status 0x786d advertising 01e1.
[ 12.593103] udev[402]: renamed network interface eth1 to eth3
[ 12.943331] radeon 0000:01:00.0: Error during ACPI methods call
[ 13.492788] r8169 0000:02:00.0: eth0: link up
[ 13.492796] r8169 0000:02:00.0: eth0: link up
[ 13.506693] eth3: Link up
[ 13.507184] eth3: Link changed: 100Mbps, full duplex
[ 23.888010] eth3: no IPv6 routers present
[ 23.968008] eth0: no IPv6 routers present
[ 230.131458] eth3: Link down
[ 231.992320] eth3: Link up
[ 231.992842] eth3: Link changed: 100Mbps, full duplex
[ 3007.677821] eth3: Link down
[ 3009.188133] eth3: Link up
[ 3009.188654] eth3: Link changed: 100Mbps, full duplex
[ 7081.803625] eth3: Link down
[ 7083.335039] eth3: Link up
[ 7083.335560] eth3: Link changed: 100Mbps, full duplex