[  399.860804] tun0: no available key for peer 1, key-id: 0
[  399.873967] tun0: no available key for peer 2, key-id: 0
[  399.886913] tun0: no available key for peer 3, key-id: 0
[  404.366220] iperf3 (10219) used greatest stack depth: 11832 bytes left
[  404.539818] tun2: deleting peer with id 11, reason 4
[  404.539956] tun1: deleting peer with id 10, reason 4
[  404.539966] tun4: deleting peer with id 13, reason 4
[  404.539966] tun6: deleting peer with id 15, reason 4
[  404.540000] tun5: deleting peer with id 14, reason 4
[  404.540253] tun3: deleting peer with id 12, reason 4
[  404.540258] tun0: deleting peer with id 6, reason 4
[  404.542407] tun0: deleting peer with id 5, reason 4
[  404.550404] tun0: deleting peer with id 4, reason 4
[  404.556445] tun0: deleting peer with id 3, reason 4
[  404.564403] tun0: deleting peer with id 2, reason 4
[  404.571399] tun0: deleting peer with id 1, reason 4