[  289.924868][ T1456] tun1: deleting peer with id 10, reason 4
[  289.926674][ T1462] tun3: deleting peer with id 12, reason 4
[  289.926712][ T1468] tun5: deleting peer with id 14, reason 4
[  289.927917][ T1472] tun0: deleting peer with id 6, reason 4
[  289.928649][ T1465] tun4: deleting peer with id 13, reason 4
[  289.929488][ T1471] tun6: deleting peer with id 15, reason 4
[  289.929880][ T1459] tun2: deleting peer with id 11, reason 4
[  289.939217][ T1472] tun0: deleting peer with id 5, reason 4
[  289.943462][ T1472] tun0: deleting peer with id 4, reason 4
[  289.946988][ T1472] tun0: deleting peer with id 3, reason 4
[  289.954471][ T1472] tun0: deleting peer with id 2, reason 4
[  289.962524][ T1472] tun0: deleting peer with id 1, reason 4
[  299.296687][    C1] tun0: no available key for peer 1, key-id: 0
[  299.674617][   T67] tun0: no available key for peer 5, key-id: 0
[  299.674938][   T67] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/67
[  299.675180][   T67] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[  299.675322][   T67] CPU: 1 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 7.0.0-rc2-virtme #1 PREEMPT(full) 
[  299.675325][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  299.675327][   T67] Workqueue: kstrp strp_work
[  299.675335][   T67] Call Trace:
[  299.675337][   T67]  <TASK>
[  299.675340][   T67]  dump_stack_lvl+0x6f/0xa0
[  299.675346][   T67]  check_preemption_disabled+0xdb/0xf0
[  299.675352][   T67]  ovpn_recv+0x192/0x2a0 [ovpn]
[  299.675357][   T67]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[  299.675362][   T67]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[  299.675366][   T67]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  299.675369][   T67]  ? skb_dump+0xb00/0x1180
[  299.675375][   T67]  __strp_recv+0x1ee/0x1b70
[  299.675380][   T67]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  299.675386][   T67]  __tcp_read_sock+0x1a1/0x7c0
[  299.675390][   T67]  ? strp_process+0xb0/0xb0
[  299.675393][   T67]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  299.675399][   T67]  strp_read_sock+0x20f/0x2b0
[  299.675402][   T67]  ? strp_stop+0x50/0x50
[  299.675404][   T67]  ? __lock_release.isra.0+0x59/0x170
[  299.675409][   T67]  ? lockdep_hardirqs_on+0x84/0x130
[  299.675411][   T67]  ? __local_bh_enable_ip+0xa3/0x140
[  299.675415][   T67]  strp_work+0x9f/0xe0
[  299.675417][   T67]  process_one_work+0xd57/0x1390
[  299.675425][   T67]  ? pwq_dec_nr_in_flight+0x700/0x700
[  299.675427][   T67]  ? lock_acquire.part.0+0xbc/0x260
[  299.675434][   T67]  worker_thread+0x4d6/0xd40
[  299.675438][   T67]  ? rescuer_thread+0x1330/0x1330
[  299.675441][   T67]  ? __kthread_parkme+0xb3/0x200
[  299.675446][   T67]  ? rescuer_thread+0x1330/0x1330
[  299.675449][   T67]  kthread+0x30f/0x3f0
[  299.675453][   T67]  ? trace_irq_enable.constprop.0+0x13c/0x190
[  299.675458][   T67]  ? kthread_affine_node+0x150/0x150
[  299.675463][   T67]  ret_from_fork+0x472/0x6b0
[  299.675467][   T67]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  299.675471][   T67]  ? __switch_to+0x538/0xcf0
[  299.675474][   T67]  ? kthread_affine_node+0x150/0x150
[  299.675477][   T67]  ret_from_fork_asm+0x11/0x20
[  299.675485][   T67]  </TASK>
[  310.020788][ T2517] iperf3 (2517) used greatest stack depth: 23072 bytes left
[  310.249360][ T2471] tun2: deleting peer with id 11, reason 4
[  310.250106][ T2480] tun5: deleting peer with id 14, reason 4
[  310.250363][ T2484] tun6: deleting peer with id 15, reason 4
[  310.251038][ T2468] tun1: deleting peer with id 10, reason 4
[  310.252003][ T2477] tun4: deleting peer with id 13, reason 4
[  310.253799][ T2474] tun3: deleting peer with id 12, reason 4
[  310.253801][ T2483] tun0: deleting peer with id 6, reason 4
[  310.259210][ T2483] tun0: deleting peer with id 5, reason 4
[  310.266085][ T2483] tun0: deleting peer with id 4, reason 4
[  310.270521][ T2483] tun0: deleting peer with id 3, reason 4
[  310.279557][ T2483] tun0: deleting peer with id 2, reason 4
[  310.286553][ T2483] tun0: deleting peer with id 1, reason 4