[  400.020394] tun0: no available key for peer 1, key-id: 0
[  400.034787] tun0: no available key for peer 2, key-id: 0
[  400.049162] tun0: no available key for peer 3, key-id: 0
[  400.091572] tun0: no available key for peer 6, key-id: 0
[  404.545655] iperf3 (10929) used greatest stack depth: 11832 bytes left
[  404.721387] tun2: deleting peer with id 11, reason 4
[  404.721515] tun4: deleting peer with id 13, reason 4
[  404.721515] tun1: deleting peer with id 10, reason 4
[  404.721517] tun5: deleting peer with id 14, reason 4
[  404.721709] tun0: deleting peer with id 6, reason 4
[  404.721741] tun6: deleting peer with id 15, reason 4
[  404.721804] tun3: deleting peer with id 12, reason 4
[  404.724096] tun0: deleting peer with id 5, reason 4
[  404.732095] tun0: deleting peer with id 4, reason 4
[  404.741093] tun0: deleting peer with id 3, reason 4
[  404.750100] tun0: deleting peer with id 2, reason 4
[  404.756078] tun0: deleting peer with id 1, reason 4