配置linux双网卡绑定是遇到问题

问题总结
查看上网卡绑定时发现有一个网卡没有绑定上
查看了一下网线是否插好
[root@CDN-GZ-023 gmond]# ethtool em2
Settings for em2:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: Symmetric
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 1
Transceiver: internal
Auto-negotiation: on
MDI-X: Unknown
Supports Wake-on: d
Wake-on: d
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes
[root@CDN-GZ-023 gmond]# mii-tool em2
em2: negotiated 100baseTx-FD, link ok

从上面来看已经插好，看配置文件em2上少了下面一句
SLAVE=yes

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