[  398.432893] tun0: no available key for peer 1, key-id: 0
[  398.446259] tun0: no available key for peer 2, key-id: 0
[  398.459540] tun0: no available key for peer 3, key-id: 0
[  398.472844] tun0: no available key for peer 4, key-id: 0
[  398.485978] tun0: no available key for peer 5, key-id: 0
[  398.498827] tun0: no available key for peer 6, key-id: 0
[  402.934580] iperf3 (10048) used greatest stack depth: 11792 bytes left
[  403.063890] tun4: deleting peer with id 13, reason 4
[  403.064005] tun1: deleting peer with id 10, reason 4
[  403.064008] tun2: deleting peer with id 11, reason 4
[  403.064009] tun6: deleting peer with id 15, reason 4
[  403.064074] tun3: deleting peer with id 12, reason 4
[  403.064096] tun5: deleting peer with id 14, reason 4
[  403.064224] tun0: deleting peer with id 6, reason 4
[  403.070004] tun0: deleting peer with id 5, reason 4
[  403.079991] tun0: deleting peer with id 4, reason 4
[  403.083984] tun0: deleting peer with id 3, reason 4
[  403.096001] tun0: deleting peer with id 2, reason 4
[  403.103979] tun0: deleting peer with id 1, reason 4