Comment 4 for bug 1847478

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Jason A. Donenfeld (zx2c4) wrote : Re: wireguard crashes system shortly after wg-quick down wg0

Here's a one liner that *doesn't require root* that you can use to test whether the kernel fix has landed:

    unshare -rUn sh -c 'ip link add dummy1 type dummy && ip link set dummy1 up && ip -6 route add default dev dummy1 && ip -6 rule add table main suppress_prefixlength 0 && ping -f 1234::1'

Note: this will crash your system.