[  398.973871] tun0: no available key for peer 1, key-id: 0
[  398.987016] tun0: no available key for peer 2, key-id: 0
[  398.999761] tun0: no available key for peer 3, key-id: 0
[  399.012663] tun0: no available key for peer 4, key-id: 0
[  403.471465] iperf3 (10046) used greatest stack depth: 11792 bytes left
[  403.604035] tun1: deleting peer with id 10, reason 4
[  403.604195] tun3: deleting peer with id 12, reason 4
[  403.604196] tun6: deleting peer with id 15, reason 4
[  403.604204] tun2: deleting peer with id 11, reason 4
[  403.604206] tun4: deleting peer with id 13, reason 4
[  403.604244] tun5: deleting peer with id 14, reason 4
[  403.604482] tun0: deleting peer with id 6, reason 4
[  403.611176] tun0: deleting peer with id 5, reason 4
[  403.619169] tun0: deleting peer with id 4, reason 4
[  403.625161] tun0: deleting peer with id 3, reason 4
[  403.631182] tun0: deleting peer with id 2, reason 4
[  403.643147] tun0: deleting peer with id 1, reason 4