[  399.810077] tun0: no available key for peer 1, key-id: 0
[  399.823248] tun0: no available key for peer 2, key-id: 0
[  399.835967] tun0: no available key for peer 3, key-id: 0
[  399.849799] tun0: no available key for peer 4, key-id: 0
[  404.308645] iperf3 (10052) used greatest stack depth: 11792 bytes left
[  404.477998] tun1: deleting peer with id 10, reason 4
[  404.478188] tun3: deleting peer with id 12, reason 4
[  404.478188] tun6: deleting peer with id 15, reason 4
[  404.478194] tun2: deleting peer with id 11, reason 4
[  404.478199] tun4: deleting peer with id 13, reason 4
[  404.478464] tun5: deleting peer with id 14, reason 4
[  404.478512] tun0: deleting peer with id 6, reason 4
[  404.483182] tun0: deleting peer with id 5, reason 4
[  404.492176] tun0: deleting peer with id 4, reason 4
[  404.500180] tun0: deleting peer with id 3, reason 4
[  404.507180] tun0: deleting peer with id 2, reason 4
[  404.516159] tun0: deleting peer with id 1, reason 4