[  402.856280] tun0: no available key for peer 1, key-id: 0
[  402.868843] tun0: no available key for peer 2, key-id: 0
[  402.881351] tun0: no available key for peer 3, key-id: 0
[  407.343984] iperf3 (9708) used greatest stack depth: 11768 bytes left
[  407.517348] tun1: deleting peer with id 10, reason 4
[  407.517537] tun6: deleting peer with id 15, reason 4
[  407.517539] tun3: deleting peer with id 12, reason 4
[  407.517540] tun2: deleting peer with id 11, reason 4
[  407.517775] tun5: deleting peer with id 14, reason 4
[  407.517855] tun0: deleting peer with id 6, reason 4
[  407.517858] tun4: deleting peer with id 13, reason 4
[  407.520151] tun0: deleting peer with id 5, reason 4
[  407.531139] tun0: deleting peer with id 4, reason 4
[  407.550124] tun0: deleting peer with id 3, reason 4
[  407.559131] tun0: deleting peer with id 2, reason 4
[  407.568117] tun0: deleting peer with id 1, reason 4