script/priv-net-run: improve shebang compatibility

diff --git a/scripts/priv-net-run.sh b/scripts/priv-net-run.sh
index d96d31e..3dd1a60 100755 (executable)
--- a/scripts/priv-net-run.sh
+++ b/scripts/priv-net-run.sh
@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 # Run a command in a private network namespace
 # set up by CNI plugins