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Diffstat (limited to 'tools/testing/selftests/bpf/test_tcp_check_syncookie.sh')
-rwxr-xr-xtools/testing/selftests/bpf/test_tcp_check_syncookie.sh5
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/testing/selftests/bpf/test_tcp_check_syncookie.sh b/tools/testing/selftests/bpf/test_tcp_check_syncookie.sh
index 6413c1472554..102e6588e2fe 100755
--- a/tools/testing/selftests/bpf/test_tcp_check_syncookie.sh
+++ b/tools/testing/selftests/bpf/test_tcp_check_syncookie.sh
@@ -4,6 +4,7 @@
# Copyright (c) 2019 Cloudflare
set -eu
+readonly NS1="ns1-$(mktemp -u XXXXXX)"
wait_for_ip()
{
@@ -28,12 +29,12 @@ get_prog_id()
ns1_exec()
{
- ip netns exec ns1 "$@"
+ ip netns exec ${NS1} "$@"
}
setup()
{
- ip netns add ns1
+ ip netns add ${NS1}
ns1_exec ip link set lo up
ns1_exec sysctl -w net.ipv4.tcp_syncookies=2