<p></p>
<p>This is how it looks in chrooted environments:</p>
<pre><code>$ strace -qq -a24 -esignal=none -eioctl,unshare ./kill--pidns-translation >/dev/null 
ioctl(3, NS_GET_USERNS) = 4
unshare(CLONE_NEWUSER|CLONE_NEWPID) = -1 EPERM (Operation not permitted)
unshare: Operation not permitted
</code></pre>

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