auto lo enp4s0 enp3s0 enp2s5

iface lo inet loopback


iface enp4s0 inet dhcp (its need to be PPPoE)

allow-hotplug enp3s0
iface enp3s0 inet static
        address 10.169.89.51
        netmask 255.255.255.0
        gateway 10.169.89.1
        dns-nameserver 8.8.8.8

allow-hotplug enp2s5
iface enp2s5 inet static
        address 192.168.0.147
        netmask 255.255.255.0

pre-up iptables-restore < /etc/iptables.up.rules
up route add -net 192.168.0.0 netmask 255.255.255.0 dev enp2s5
up route add -net 0.0.0.0 netmask 255.255.255.255 dev enp4s0
up route add -net 0.0.0.0 netmask 255.255.255.255 dev enp3s0
iptables -t nat -A POSTROUTING -o enp3s0 -j MASQUERADE