apt-get install ifenslave

vim /etc/module
加bonding

This file describes the network interfaces available on your system

and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

The loopback network interface

auto lo
iface lo inet loopback

The primary network interface

auto enp2s0f0
iface enp2s0f0 inet manual
bond-master bond0

auto enp2s0f1
iface enp2s0f1 inet manual
bond-master bond0

auto bond0
iface bond0 inet static
address 172.20.31.1
netmask 255.255.255.0
network 172.20.31.0
broadcast 172.20.31.255
gateway 172.20.31.254
dns-nameservers 61.139.2.69
bond-mode 4
bond-miimon 100
bond-lacp-rate 1
bond-slaves enp2s0f0 enp2s0f1

auto lo
iface lo inet loopback

The primary network interface

auto p1p1

iface p1p1 inet manual

auto p1p2
iface p1p2 inet manual

auto em1

iface em1 inet manual

up ip link set $IFACE promisc on

down ip link set $IFACE promisc off

mtu 9000

auto p1p1
iface p1p1 inet static
up ip link set $IFACE promisc on

post-up ifenslave bond0 p1p1 p1p2

down ip link set $IFACE promisc off

post-down ifenslave -d bond0 p1p1 p1p2

address 172.18.20.1
netmask 255.255.255.0
gateway 172.18.20.254
dns-nameservers 61.139.2.69