[  397.839843] tun0: no available key for peer 1, key-id: 0
[  397.864159] tun0: no available key for peer 3, key-id: 0
[  397.888099] tun0: no available key for peer 5, key-id: 0
[  397.899998] tun0: no available key for peer 6, key-id: 0
[  402.325854] iperf3 (10057) used greatest stack depth: 11816 bytes left
[  402.500247] tun4: deleting peer with id 13, reason 4
[  402.500354] tun5: deleting peer with id 14, reason 4
[  402.500356] tun6: deleting peer with id 15, reason 4
[  402.500357] tun3: deleting peer with id 12, reason 4
[  402.500369] tun1: deleting peer with id 10, reason 4
[  402.500465] tun2: deleting peer with id 11, reason 4
[  402.500696] tun0: deleting peer with id 6, reason 4
[  402.508175] tun0: deleting peer with id 5, reason 4
[  402.513180] tun0: deleting peer with id 4, reason 4
[  402.518184] tun0: deleting peer with id 3, reason 4
[  402.526183] tun0: deleting peer with id 2, reason 4
[  402.537165] tun0: deleting peer with id 1, reason 4