[  150.919687] ip (2141) used greatest stack depth: 12008 bytes left
[  156.153575] tun0: no available key for peer 4, key-id: 0
[  162.495815] iperf3 (2437) used greatest stack depth: 11872 bytes left
[  162.823315] tun0: deleting peer with id 1, reason 1
[  162.835411] tun1: deleting peer with id 1, reason 1
[  164.938750] tun0: deleting peer with id 2, reason 1
[  164.956391] tun2: deleting peer with id 2, reason 1
[  170.109937] tun0: deleting peer with id 4, reason 2
[  170.110003] tun0: deleting peer with id 3, reason 2
[  170.110041] tun0: deleting peer with id 5, reason 2
[  170.110073] tun0: deleting peer with id 6, reason 2
[  175.101944] tun4: deleting peer with id 4, reason 2
[  175.102026] tun3: deleting peer with id 3, reason 2
[  175.165941] tun5: deleting peer with id 5, reason 2
[  175.165941] tun6: deleting peer with id 6, reason 2