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System: Linux ip-172-31-42-149 5.15.0-1084-aws #91~20.04.1-Ubuntu SMP Fri May 2 07:00:04 UTC 2025 aarch64
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Disabled: pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare,
$ pwd: /proc/self/root/usr/src/linux-aws-headers-5.4.0-1038/tools/testing/selftests/net/
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File: //proc/self/root/usr/src/linux-aws-headers-5.4.0-1038/tools/testing/selftests/net/in_netns.sh
#!/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 "$?"
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