[root@bogon ~]# vim /etc/sysconfig/network-scripts/ifcfg-enp0s3
BOOTPROTO=dhcp
DEFROUTE=yes
NAME=enp0s3
DEVICE=enp0s3
ONBOOT=yes

[root@bogon ~]# vim /etc/sysconfig/network-scripts/ifcfg-enp0s8
BOOTPROTO=static
NAME=enp0s8
DEVICE=enp0s8
ONBOOT=yes
IPADDR=192.168.0.100
NETMASK=255.255.255.0