[  424.880924] tun0: no available key for peer 1, key-id: 0
[  424.946304] tun0: no available key for peer 6, key-id: 0
[  430.418034] iperf3 (6647) used greatest stack depth: 12032 bytes left
[  430.524912] tun2: deleting peer with id 11, reason 4
[  430.524993] tun1: deleting peer with id 10, reason 4
[  430.524994] tun3: deleting peer with id 12, reason 4
[  430.525007] tun6: deleting peer with id 15, reason 4
[  430.525062] tun5: deleting peer with id 14, reason 4
[  430.525106] tun4: deleting peer with id 13, reason 4
[  430.525291] tun0: deleting peer with id 6, reason 4
[  430.532031] tun0: deleting peer with id 5, reason 4
[  430.532460] tun0: TCP error to peer 1: -32
[  430.532665] tun0: deleting peer with id 1, reason 3
[  430.537033] tun0: deleting peer with id 4, reason 4
[  430.546040] tun0: deleting peer with id 3, reason 4
[  430.555021] tun0: deleting peer with id 2, reason 4