[  397.987208] tun0: no available key for peer 4, key-id: 0
[  402.444578] iperf3 (10049) used greatest stack depth: 11816 bytes left
[  402.575979] tun1: deleting peer with id 10, reason 4
[  402.576061] tun2: deleting peer with id 11, reason 4
[  402.576062] tun3: deleting peer with id 12, reason 4
[  402.576073] tun6: deleting peer with id 15, reason 4
[  402.576232] tun4: deleting peer with id 13, reason 4
[  402.576309] tun5: deleting peer with id 14, reason 4
[  402.576460] tun0: deleting peer with id 6, reason 4
[  402.582193] tun0: deleting peer with id 5, reason 4
[  402.591195] tun0: deleting peer with id 4, reason 4
[  402.601190] tun0: deleting peer with id 3, reason 4
[  402.607173] tun0: deleting peer with id 2, reason 4
[  402.614175] tun0: deleting peer with id 1, reason 4