here is console ：
U-Boot 2017.07-tld-1 (Sep 05 2017 - 00:13:18 -0700) Pogo E02 SoC: Kirkwood 88F6281_A0 DRAM: 256 MiB WARNING: Caches not enabled NAND: 128 MiB In: serial Out: serial Err: serial Net: egiga0 Using egiga0 device host 192.168.1.105 is alive Using egiga0 device ARP Retry count exceeded; starting again ping failed; host 192.168.1.105 is not alive Using egiga0 device ARP Retry count exceeded; starting again ping failed; host 192.168.1.105 is not alive Using egiga0 device ARP Retry count exceeded; starting again ping failed; host 192.168.1.105 is not alive Using egiga0 device host 192.168.1.105 is alive