# create this file at /etc/network and name it interfaces source-directory /etc/network/interfaces.d auto lo iface lo inet loopback allow-hotplug enp6s0 iface enp6s0 inet manual allow-hotplug enp6s0.1 iface enp6s0.1 inet dhcp vlan-raw-device enp6s0 allow-hotplug enp6s0.6 iface enp6s0.6 inet dhcp vlan-raw-device enp6s0