linux網卡eth0配置橋接正常重啓後網卡沒法啓動

    因安裝kvm虛擬化將網卡eth0做橋接配置當時正常，後來重啓發現網卡起不來還沒有到緣由

# less ifcfg-br0 

DEVICE=br0

HWADDR=FC:15:B4:28:B9:30

#TYPE=Ethernet

UUID=43fc66da-809b-4006-845d-dbeff816fb9f

ONBOOT=yes

NM_CONTROLLED=yes

BOOTPROTO=static

IPADDR=192.168.0.90

NETMASK=255.255.255.0

GATEWAY=192.168.0.254

DNS1=114.114.114.114

DNS2=223.5.5.5

# less ifcfg-eth0

DEVICE=eth0

HWADDR=FC:15:B4:28:B9:30

TYPE=Ethernet

#UUID=43fc66da-809b-4006-845d-dbeff816fb9f

ONBOOT=yes

NM_CONTROLLED=yes

BOOTPROTO=static

#IPADDR=192.168.0.90

#NETMASK=255.255.255.0

#GATEWAY=192.168.0.254

BRIDGE=br0

#TYPE=Bridge