[  401.117668] tun0: no available key for peer 1, key-id: 0
[  401.151699] tun0: no available key for peer 4, key-id: 0
[  405.583268] iperf3 (9919) used greatest stack depth: 11768 bytes left
[  405.688411] tun1: deleting peer with id 10, reason 4
[  405.688535] tun5: deleting peer with id 14, reason 4
[  405.688535] tun4: deleting peer with id 13, reason 4
[  405.688536] tun3: deleting peer with id 12, reason 4
[  405.688569] tun2: deleting peer with id 11, reason 4
[  405.688675] tun6: deleting peer with id 15, reason 4
[  405.688827] tun0: deleting peer with id 6, reason 4
[  405.693351] tun0: deleting peer with id 5, reason 4
[  405.701274] tun0: deleting peer with id 4, reason 4
[  405.707276] tun0: deleting peer with id 3, reason 4
[  405.715274] tun0: deleting peer with id 2, reason 4
[  405.721257] tun0: deleting peer with id 1, reason 4