#!/bin/bash -xe case $(hostname) in gtplab0) IFACE_UPF="enp2s0f0np0" ;; c240-3) IFACE_UPF="ens2f0np0" ;; *) echo "UNEXPECTED HOSTNAME: $(hostname)" exit 1 ;; esac sudo ip addr add 172.16.31.1/24 dev $IFACE_UPF || true sudo ip link set up dev $IFACE_UPF || true