#!/bin/bash

function create_netns {
    netns_name="${1}"

    ip netns add "${netns_name}"

}

function check_netns {
    netns_name="${1}"

    ip netns | grep "${netns_name}" > /dev/null \
      && return 0 \
      || return 1
}

function delete_netns {
    netns_name="${1}"

    ip netns delete "${netns_name}"

}