[  398.763791] tun0: no available key for peer 1, key-id: 0
[  403.261199] iperf3 (10051) used greatest stack depth: 11792 bytes left
[  403.394571] tun2: deleting peer with id 11, reason 4
[  403.394642] tun5: deleting peer with id 14, reason 4
[  403.394642] tun6: deleting peer with id 15, reason 4
[  403.394676] tun3: deleting peer with id 12, reason 4
[  403.394779] tun1: deleting peer with id 10, reason 4
[  403.394852] tun4: deleting peer with id 13, reason 4
[  403.394905] tun0: deleting peer with id 6, reason 4
[  403.397114] tun0: deleting peer with id 5, reason 4
[  403.405071] tun0: deleting peer with id 4, reason 4
[  403.406101] tun0: deleting peer with id 3, reason 4
[  403.411062] tun0: deleting peer with id 2, reason 4
[  403.423073] tun0: deleting peer with id 1, reason 4