[  387.418503] tun0: no available key for peer 4, key-id: 0
[  391.866817] iperf3 (9778) used greatest stack depth: 11736 bytes left
[  392.041276] tun1: deleting peer with id 10, reason 4
[  392.041281] tun4: deleting peer with id 13, reason 4
[  392.041311] tun6: deleting peer with id 15, reason 4
[  392.041347] tun3: deleting peer with id 12, reason 4
[  392.041388] tun2: deleting peer with id 11, reason 4
[  392.041492] tun5: deleting peer with id 14, reason 4
[  392.041605] tun0: deleting peer with id 6, reason 4
[  392.049122] tun0: deleting peer with id 5, reason 4
[  392.052101] tun0: deleting peer with id 4, reason 4
[  392.060061] tun0: deleting peer with id 3, reason 4
[  392.067105] tun0: deleting peer with id 2, reason 4
[  392.077046] tun0: deleting peer with id 1, reason 4