#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# Execute a subprocess in a network namespace
set -e
readonly NETNS="ns-$(mktemp -u XXXXXX)"
setup() {
ip netns add "${NETNS}"
ip -netns "${NETNS}" link set lo up
}
cleanup() {
ip netns del "${NETNS}"
}
trap cleanup EXIT
setup
ip netns exec "${NETNS}" "$@"
exit "$?"