[  401.635249] tun0: no available key for peer 2, key-id: 0
[  401.662363] tun0: no available key for peer 4, key-id: 0
[  406.142635] iperf3 (10145) used greatest stack depth: 11792 bytes left
[  406.272803] tun4: deleting peer with id 13, reason 4
[  406.273014] tun2: deleting peer with id 11, reason 4
[  406.273022] tun3: deleting peer with id 12, reason 4
[  406.273075] tun1: deleting peer with id 10, reason 4
[  406.273180] tun6: deleting peer with id 15, reason 4
[  406.273267] tun0: deleting peer with id 6, reason 4
[  406.273269] tun5: deleting peer with id 14, reason 4
[  406.276267] tun0: deleting peer with id 5, reason 4
[  406.282234] tun0: deleting peer with id 4, reason 4
[  406.288235] tun0: deleting peer with id 3, reason 4
[  406.295237] tun0: deleting peer with id 2, reason 4
[  406.304220] tun0: deleting peer with id 1, reason 4