原因是NetworkManager 开启导致。关闭NetworkManager服务,否则会报错master connection not found or invalid。主要是因为NetworkManager接管了网卡启动,将NetworkManager停掉,并启动 network 服务来接管网卡服务,请查看如下四条命令:
1 service NetworkManager stop 2 chkconfig NetworkManager off 3 chkconfig network on 4 service network start