[  424.044835] tun0: no available key for peer 1, key-id: 0
[  429.579961] iperf3 (6637) used greatest stack depth: 12000 bytes left
[  429.620701] tun3: deleting peer with id 12, reason 4
[  429.620815] tun1: deleting peer with id 10, reason 4
[  429.620861] tun4: deleting peer with id 13, reason 4
[  429.620998] tun5: deleting peer with id 14, reason 4
[  429.621007] tun0: deleting peer with id 6, reason 4
[  429.621090] tun6: deleting peer with id 15, reason 4
[  429.621169] tun2: deleting peer with id 11, reason 4
[  429.626783] tun0: deleting peer with id 5, reason 4
[  429.633642] tun0: deleting peer with id 4, reason 4
[  429.639781] tun0: deleting peer with id 3, reason 4
[  429.645812] tun0: deleting peer with id 2, reason 4
[  429.651744] tun0: deleting peer with id 1, reason 4