Determining if ip address 43.241.255.196 is already in use for device eth2...
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Determining if ip address 43.241.255.197 is already in use for device eth2...
Determining if ip address 43.241.255.198 is already in use for device eth2...
Determining if ip address 43.241.255.199 is already in use for device eth2...
Determining if ip address 43.241.255.200 is already in use for device eth2...
Determining if ip address 43.241.255.201 is already in use for device eth2...
翻译：
如果确定IP地址43.241.255.196已在使用的设备的eth2...
如果确定IP地址43.241.255.197已在使用的设备的eth2...
如果确定IP地址43.241.255.198已在使用的设备的eth2...
如果确定IP地址43.241.255.199已在使用的设备的eth2...
如果确定IP地址43.241.255.200已在使用的设备的eth2...
如果确定IP地址43.241.255.201已在使用的设备的eth2...
该警告一般是由于网卡解析arp协议导致的，可在网卡的配置文件中加入ARPCHECK=NO参数来屏蔽该检查
[root@rac01 ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth2
TYPE=Ethernet
BOOTPROTO=none
IPADDR=10.109.67.81
PREFIX=24
GATEWAY=10.109.67.254
DEFROUTE=yes
IPV4_FAILURE_FATAL=yes
IPV6INIT=no
NAME=eth2
UUID=86d44060-4579-48cc-b85b-219a206ca37c
ONBOOT=yes
HWADDR=00:50:56:95:09:76
LAST_CONNECT=1411004329
ARPCHECK=no
再次启动网卡，一切正常
[root@rac01 ~]# service network restart
Shutting down interface eth0: [ OK ]
Shutting down interface eth2: [ OK ]
Shutting down loopback interface: [ OK ]
Bringing up loopback interface: [ OK ]
Bringing up interface eth0: [ OK ]
Bringing up interface eth2: [ OK ]
参考：http://www.cnblogs.com/littlehb/p/4215684.html