banana3216# dmesg | grep em0
em0: <Intel(R) PRO/1000 Network Connection Version - 6.2.9> port 0x20e0-0x20ff m
em 0x90300000-0x9031ffff,0x90324000-0x90324fff irq 20 at device 25.0 on pci0
em0: Ethernet address: 00:19:d1:a4:cd:1d
arp: 207.29.253.25 moved from 00:19:d1:b0:31:69 to 00:19:d1:e0:f4:80 on em0
arp: 207.29.253.30 moved from 00:19:d1:b0:31:70 to 00:19:d1:e0:f3:bc on em0
arp: 207.29.253.190 moved from 00:1c:c0:07:33:29 to 00:1c:c0:07:33:2a on em0
arp: 207.29.253.30 moved from 00:19:d1:e0:f3:bc to 00:19:d1:b0:31:70 on em0
arp: 207.29.253.190 moved from 00:1c:c0:07:33:2a to 00:1c:c0:07:33:29 on em0
arp: 207.29.253.25 moved from 00:19:d1:e0:f4:80 to 00:19:d1:b0:31:69 on em0
em0: link state changed to DOWN
em0: link state changed to UP
em0: link state changed to DOWN
em0: link state changed to UP
arp: 207.29.253.230 moved from 00:19:d1:a4:cd:13 to 00:16:76:b0:32:15 on em0
arp: 207.29.253.230 moved from 00:16:76:b0:32:15 to 00:19:d1:a4:cd:13 on em0
arp: 207.29.253.230 moved from 00:19:d1:a4:cd:13 to 00:19:d1:a4:cd:11 on em0
arp: 207.29.253.230 moved from 00:19:d1:a4:cd:11 to 00:19:d1:a4:cd:13 on em0
arp: 207.29.253.230 moved from 00:19:d1:a4:cd:13 to 00:16:76:b0:32:15 on em0
em0: <Intel(R) PRO/1000 Network Connection Version - 6.6.6> port 0x20e0-0x20ff m
em 0x90300000-0x9031ffff,0x90324000-0x90324fff irq 20 at device 25.0 on pci0
em0: Ethernet address: 00:19:d1:a4:cd:1d
em0: [FAST]
arp: 207.29.253.230 moved from 00:16:76:b0:32:15 to 00:19:d1:a4:cd:13 on em0
arp: 207.29.253.25 moved from 00:19:d1:b0:31:69 to 00:19:d1:e0:f4:80 on em0
arp: 207.29.253.30 moved from 00:19:d1:b0:31:70 to 00:19:d1:e0:f3:bc on em0
arp: 207.29.253.190 moved from 00:1c:c0:07:33:29 to 00:1c:c0:07:33:2a on em0
arp: 207.29.253.25 moved from 00:19:d1:e0:f4:80 to 00:19:d1:b0:31:69 on em0
arp: 207.29.253.30 moved from 00:19:d1:e0:f3:bc to 00:19:d1:b0:31:70 on em0
banana3216#