解决:
[root@mina0 hadoop]# systemctl stop NetworkManager
[root@mina0 hadoop]# systemctl disable NetworkManager
##############
然后:重启网卡即可:
[root@mina0 hadoop]# systemctl restart network
[root@mina0 hadoop]# ifconfig
centos7重启网卡报Job for network.service failed because...错误
原文:https://www.cnblogs.com/116970u/p/11391816.html