[  401.851927] tun0: no available key for peer 1, key-id: 0
[  401.865545] tun0: no available key for peer 2, key-id: 0
[  401.906280] tun0: no available key for peer 5, key-id: 0
[  401.919968] tun0: no available key for peer 6, key-id: 0
[  406.364309] iperf3 (10216) used greatest stack depth: 11832 bytes left
[  406.536732] tun2: deleting peer with id 11, reason 4
[  406.536740] tun1: deleting peer with id 10, reason 4
[  406.536741] tun6: deleting peer with id 15, reason 4
[  406.536756] tun5: deleting peer with id 14, reason 4
[  406.536766] tun3: deleting peer with id 12, reason 4
[  406.536952] tun4: deleting peer with id 13, reason 4
[  406.537040] tun0: deleting peer with id 6, reason 4
[  406.539591] tun0: deleting peer with id 5, reason 4
[  406.546559] tun0: deleting peer with id 4, reason 4
[  406.555609] tun0: deleting peer with id 3, reason 4
[  406.563554] tun0: deleting peer with id 2, reason 4
[  406.572553] tun0: deleting peer with id 1, reason 4