Interface names

Change back to ethX

vim /etc/default/grub

add "net.ifnames=0" to GRUB_CMDLINE_LINUX

grub2-mkconfig -o /boot/grub2/grub.cfg

rename interfaces in /etc/sysconfig/network-scripts/ifcfg-*

reboot

Bonding

/etc/modprobe.d/bonding.conf

alias bond0 bonding

/etc/sysconfig/network-scripts/ifcfg-bond0

DEVICE=bond0
USERCTL=no
BOOTPROTO=none
ONBOOT=yes
IPADDR=10.0.0.1
NETMASK=255.255.255.0
BONDING_OPTS="miimon=100 mode=active-backup primary=eth0"

/etc/sysconfig/network-scripts/ifcfg-ethX

DEVICE=ethX
TYPE=Ethernet
ONBOOT=yes
BOOTPROTO=none
MASTER=bond0
SLAVE=yes