[  401.217013] tun0: no available key for peer 2, key-id: 0
[  401.240536] tun0: no available key for peer 4, key-id: 0
[  401.252865] tun0: no available key for peer 5, key-id: 0
[  401.264649] tun0: no available key for peer 6, key-id: 0
[  405.682847] iperf3 (10154) used greatest stack depth: 11816 bytes left
[  405.852485] tun1: deleting peer with id 10, reason 4
[  405.852642] tun6: deleting peer with id 15, reason 4
[  405.852650] tun3: deleting peer with id 12, reason 4
[  405.852652] tun5: deleting peer with id 14, reason 4
[  405.852665] tun2: deleting peer with id 11, reason 4
[  405.852756] tun4: deleting peer with id 13, reason 4
[  405.852830] tun0: deleting peer with id 6, reason 4
[  405.858305] tun0: deleting peer with id 5, reason 4
[  405.872266] tun0: deleting peer with id 4, reason 4
[  405.878263] tun0: deleting peer with id 3, reason 4
[  405.886255] tun0: deleting peer with id 2, reason 4
[  405.893251] tun0: deleting peer with id 1, reason 4