开发板ping 虚拟机出现
ERROR: resetting DM9000 -> not responding
dm9000 i/o: 0x20000000, id: 0x90000a46
DM9000: running in 16 bit mode
MAC: 08:00:3e:26:0a:5b
could not establish link
checksum bad
checksum bad
checksum bad
ping failed; host 202.193.61.125 is not alive