[  400.272336] tun0: no available key for peer 2, key-id: 0
[  400.297221] tun0: no available key for peer 4, key-id: 0
[  400.309517] tun0: no available key for peer 5, key-id: 0
[  400.321858] tun0: no available key for peer 6, key-id: 0
[  404.749735] iperf3 (10213) used greatest stack depth: 11792 bytes left
[  404.884023] tun2: deleting peer with id 11, reason 4
[  404.884129] tun5: deleting peer with id 14, reason 4
[  404.884180] tun3: deleting peer with id 12, reason 4
[  404.884183] tun1: deleting peer with id 10, reason 4
[  404.884301] tun0: deleting peer with id 6, reason 4
[  404.884305] tun6: deleting peer with id 15, reason 4
[  404.884445] tun4: deleting peer with id 13, reason 4
[  404.886950] tun0: deleting peer with id 5, reason 4
[  404.897942] tun0: deleting peer with id 4, reason 4
[  404.900980] tun0: deleting peer with id 3, reason 4
[  404.911945] tun0: deleting peer with id 2, reason 4
[  404.917968] tun0: deleting peer with id 1, reason 4