[  403.993759] tun0: no available key for peer 1, key-id: 0
[  404.017544] tun0: no available key for peer 3, key-id: 0
[  404.040588] tun0: no available key for peer 5, key-id: 0
[  404.052198] tun0: no available key for peer 6, key-id: 0
[  408.461723] iperf3 (10063) used greatest stack depth: 11768 bytes left
[  408.631047] tun2: deleting peer with id 11, reason 4
[  408.631136] tun3: deleting peer with id 12, reason 4
[  408.631153] tun6: deleting peer with id 15, reason 4
[  408.631163] tun0: deleting peer with id 6, reason 4
[  408.631302] tun5: deleting peer with id 14, reason 4
[  408.631374] tun1: deleting peer with id 10, reason 4
[  408.631421] tun4: deleting peer with id 13, reason 4
[  408.636338] tun0: deleting peer with id 5, reason 4
[  408.642246] tun0: deleting peer with id 4, reason 4
[  408.650246] tun0: deleting peer with id 3, reason 4
[  408.660245] tun0: deleting peer with id 2, reason 4
[  408.668238] tun0: deleting peer with id 1, reason 4