Network interfaces setup (/etc/network/interfaces)

interfaces

# 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

auto ens18
iface ens18 inet static
	address 172.16.0.3/20
	gateway 172.16.0.1
	up ifconfig ens18 promisc up
	down ifconfig ens18 promisc down
	up ip link add mgmtshim link ens18 type macvlan mode bridge
	up ip addr add 172.16.1.254/24 dev mgmtshim
	up ifconfig mgmtshim up

auto ens18.16
iface ens18.16 inet static
	address 172.16.16.3/20
	gateway 172.16.16.1
	up ifconfig ens18.16 promisc up
	down ifconfig ens18.16 promisc down
	up route add -net 172.16.16.0 netmask 255.255.240.0 gw 172.16.16.1
	down route del -net 172.16.16.0 netmask 255.255.240.0 gw 172.16.16.1
	up ip link add trustedshim link ens18.16 type macvlan mode bridge
	up ip addr add 172.16.17.254/24 dev trustedshim
	up ifconfig trustedshim up

auto ens18.32
iface ens18.32 inet static
	address 172.16.32.3/20
	gateway 172.16.32.1
	up ifconfig ens18.32 promisc up
	down ifconfig ens18.32 promisc down
	up route add -net 172.16.32.0 netmask 255.255.240.0 gw 172.16.32.1
	down route del -net 172.16.32.0 netmask 255.255.240.0 gw 172.16.32.1
	up ip link add vpnoutshim link ens18.32 type macvlan mode bridge
	up ip addr add 172.16.33.254/24 dev vpnoutshim
	up ifconfig vpnoutshim up