[  399.465461] tun0: no available key for peer 1, key-id: 0
[  399.478408] tun0: no available key for peer 2, key-id: 0
[  399.491093] tun0: no available key for peer 3, key-id: 0
[  399.528556] tun0: no available key for peer 6, key-id: 0
[  403.963096] iperf3 (10218) used greatest stack depth: 11816 bytes left
[  404.139357] tun1: deleting peer with id 10, reason 4
[  404.139463] tun5: deleting peer with id 14, reason 4
[  404.139500] tun3: deleting peer with id 12, reason 4
[  404.139503] tun4: deleting peer with id 13, reason 4
[  404.139603] tun2: deleting peer with id 11, reason 4
[  404.139694] tun6: deleting peer with id 15, reason 4
[  404.139774] tun0: deleting peer with id 6, reason 4
[  404.142334] tun0: deleting peer with id 5, reason 4
[  404.145307] tun0: deleting peer with id 4, reason 4
[  404.155296] tun0: deleting peer with id 3, reason 4
[  404.163291] tun0: deleting peer with id 2, reason 4
[  404.167289] tun0: deleting peer with id 1, reason 4