[  399.225261] tun0: no available key for peer 1, key-id: 0
[  399.250698] tun0: no available key for peer 3, key-id: 0
[  399.263277] tun0: no available key for peer 4, key-id: 0
[  399.275896] tun0: no available key for peer 5, key-id: 0
[  403.717440] iperf3 (10934) used greatest stack depth: 11784 bytes left
[  403.851602] tun4: deleting peer with id 13, reason 4
[  403.851683] tun1: deleting peer with id 10, reason 4
[  403.851689] tun2: deleting peer with id 11, reason 4
[  403.851708] tun6: deleting peer with id 15, reason 4
[  403.851716] tun3: deleting peer with id 12, reason 4
[  403.851848] tun5: deleting peer with id 14, reason 4
[  403.851913] tun0: deleting peer with id 6, reason 4
[  403.854345] tun0: deleting peer with id 5, reason 4
[  403.857354] tun0: deleting peer with id 4, reason 4
[  403.862343] tun0: deleting peer with id 3, reason 4
[  403.875326] tun0: deleting peer with id 2, reason 4
[  403.881302] tun0: deleting peer with id 1, reason 4