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_ [OS][Network] Device eth0 has different MAC address than expected

Red Hat Enterprise Linux
起動時にeth0が立ち上がらない場合

Bringing up interface eth0:  Device eth0 has different MAC address than expected, ignoring.
                                                           [FAILED]

HWADDRを消してみる。
vi /etc/sysconfig/network-scripts/ifcfg-eth0
#HWADDR=00:00:00:00:00:00

ネットワーク再起動
service network restart