gistfile1.txt

auto eno1
iface eno1 inet manual
  up ip link set up dev $IFACE
  down ip link set down dev $IFACE

auto eno2
iface eno2 inet manual
  up ip link set up dev $IFACE
  down ip link set down dev $IFACE

# auto eth2
# iface eth2 inet manual
#   up ip link set up dev $IFACE
#   down ip link set down dev $IFACE

# auto eth3
# iface eth3 inet manual
#   up ip link set up dev $IFACE
#   down ip link set down dev $IFACE

# LACP aggregate of eno1-eno2
auto bond0
iface bond0 inet manual
  pre-up modprobe bonding miimon=100 mode=4 lacp_rate=1
  pre-up echo "+bond0" > /sys/class/net/bonding_masters
  up ip link set up dev $IFACE
  post-up /sbin/ifenslave ${IFACE} eno1 eno2
  pre-down /sbin/ifenslave -d ${IFACE} eno1 eno2
  down ip link set down dev $IFACE
  post-down echo "-bond0" > /sys/class/net/bonding_masters

auto ens2f0
iface ens2f0 inet manual
  up ip link set up dev ${IFACE}
  down ip link set down dev ${IFACE}

auto ens2f1
iface ens2f1 inet manual
  up ip link set up dev ${IFACE}
  down ip link set down dev ${IFACE}

# LACP aggregate of ens2f0,ens2f1
auto bond1
iface bond1 inet manual
  pre-up modprobe bonding miimon=100 mode=4 lacp_rate=1
  pre-up echo "+${IFACE}" > /sys/class/net/bonding_masters
  up ip link set up dev ${IFACE}
  post-up /sbin/ifenslave ${IFACE} ens2f0 ens2f1
  pre-down /sbin/ifenslave -d ${IFACE} ens2f0 ens2f1
  down ip link set down dev $IFACE
  post-down echo "-${IFACE}" > /sys/class/net/bonding_masters