[  400.562540] tun0: no available key for peer 2, key-id: 0
[  400.573930] tun0: no available key for peer 3, key-id: 0
[  400.585140] tun0: no available key for peer 4, key-id: 0
[  400.596279] tun0: no available key for peer 5, key-id: 0
[  405.016221] iperf3 (9843) used greatest stack depth: 11784 bytes left
[  405.172371] tun3: deleting peer with id 12, reason 4
[  405.172542] tun6: deleting peer with id 15, reason 4
[  405.172543] tun1: deleting peer with id 10, reason 4
[  405.172554] tun5: deleting peer with id 14, reason 4
[  405.172686] tun2: deleting peer with id 11, reason 4
[  405.172699] tun0: deleting peer with id 6, reason 4
[  405.172742] tun4: deleting peer with id 13, reason 4
[  405.177183] tun0: deleting peer with id 5, reason 4
[  405.185180] tun0: deleting peer with id 4, reason 4
[  405.192179] tun0: deleting peer with id 3, reason 4
[  405.201171] tun0: deleting peer with id 2, reason 4
[  405.209166] tun0: deleting peer with id 1, reason 4