Get pair network interface to container name

README.md

A simple script that returns the network interface name on the host by the container name. Based on https://github.com/cslev/find_veth_docker/blob/master/find_veth_docker.sh

./container_netiface.sh <containername>
veth63443be

container_netiface.sh

#!/bin/bash
NAME=$1
IFACE=eth0
ip a|grep "if`docker exec ${NAME} ip a|grep ${IFACE}@|cut -d ':' -f 1`"|cut -d ":" -f 2|cut -d '@' -f 1|sed "s/ //g"