[  399.356773] tun0: no available key for peer 1, key-id: 0
[  399.371079] tun0: no available key for peer 2, key-id: 0
[  399.384896] tun0: no available key for peer 3, key-id: 0
[  399.399015] tun0: no available key for peer 4, key-id: 0
[  403.909667] iperf3 (10044) used greatest stack depth: 11816 bytes left
[  404.045313] tun1: deleting peer with id 10, reason 4
[  404.045451] tun0: deleting peer with id 6, reason 4
[  404.045451] tun6: deleting peer with id 15, reason 4
[  404.045454] tun2: deleting peer with id 11, reason 4
[  404.045455] tun4: deleting peer with id 13, reason 4
[  404.045514] tun3: deleting peer with id 12, reason 4
[  404.045656] tun5: deleting peer with id 14, reason 4
[  404.050989] tun0: deleting peer with id 5, reason 4
[  404.058939] tun0: deleting peer with id 4, reason 4
[  404.061960] tun0: deleting peer with id 3, reason 4
[  404.070962] tun0: deleting peer with id 2, reason 4
[  404.072940] tun0: deleting peer with id 1, reason 4