为什么提示input error呢？
[root@localhost ~]# mii-tool
SIOCGMIIREG on eth0 failed: Input/output error
eth0: negotiated 100baseTx-FD flow-control, link ok
SIOCGMIIREG on eth1 failed: Input/output error
eth1: negotiated 100baseTx-FD flow-control, link ok
SIOCGMIIREG on eth2 failed: Input/output error
eth2: 10 Mbit, half duplex, no link
SIOCGMIIREG on eth3 failed: Input/output error
eth3: 10 Mbit, half duplex, no link
[root@localhost ~]#

有大神麽 帮忙看看了 小弟我不懂啊