[  387.205635] tun0: no available key for peer 2, key-id: 0
[  391.666402] iperf3 (9783) used greatest stack depth: 11768 bytes left
[  391.795695] tun2: deleting peer with id 11, reason 4
[  391.795845] tun4: deleting peer with id 13, reason 4
[  391.795848] tun3: deleting peer with id 12, reason 4
[  391.795856] tun6: deleting peer with id 15, reason 4
[  391.795949] tun1: deleting peer with id 10, reason 4
[  391.795993] tun5: deleting peer with id 14, reason 4
[  391.796077] tun0: deleting peer with id 6, reason 4
[  391.801121] tun0: deleting peer with id 5, reason 4
[  391.807123] tun0: deleting peer with id 4, reason 4
[  391.814121] tun0: deleting peer with id 3, reason 4
[  391.822123] tun0: deleting peer with id 2, reason 4
[  391.827109] tun0: deleting peer with id 1, reason 4