[  149.848013][    C1] tun0: no available key for peer 3, key-id: 0
[  149.985325][   T12] tun0: no available key for peer 5, key-id: 0
[  149.985605][   T12] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:0/12
[  149.985835][   T12] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[  149.985976][   T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 7.0.0-rc2-virtme #1 PREEMPT(full) 
[  149.985980][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  149.985981][   T12] Workqueue: kstrp strp_work
[  149.985989][   T12] Call Trace:
[  149.985991][   T12]  <TASK>
[  149.985993][   T12]  dump_stack_lvl+0x6f/0xa0
[  149.985999][   T12]  check_preemption_disabled+0xdb/0xf0
[  149.986005][   T12]  ovpn_recv+0x192/0x2a0 [ovpn]
[  149.986009][   T12]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[  149.986014][   T12]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[  149.986017][   T12]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  149.986028][   T12]  ? skb_dump+0xb00/0x1180
[  149.986033][   T12]  __strp_recv+0x1ee/0x1b70
[  149.986038][   T12]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  149.986044][   T12]  __tcp_read_sock+0x1a1/0x7c0
[  149.986048][   T12]  ? strp_process+0xb0/0xb0
[  149.986051][   T12]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  149.986056][   T12]  strp_read_sock+0x20f/0x2b0
[  149.986059][   T12]  ? strp_stop+0x50/0x50
[  149.986060][   T12]  ? __lock_release.isra.0+0x59/0x170
[  149.986065][   T12]  ? lockdep_hardirqs_on+0x84/0x130
[  149.986067][   T12]  ? __local_bh_enable_ip+0xa3/0x140
[  149.986071][   T12]  strp_work+0x9f/0xe0
[  149.986073][   T12]  process_one_work+0xd57/0x1390
[  149.986080][   T12]  ? pwq_dec_nr_in_flight+0x700/0x700
[  149.986083][   T12]  ? lock_acquire.part.0+0xbc/0x260
[  149.986089][   T12]  worker_thread+0x4d6/0xd40
[  149.986096][   T12]  ? rescuer_thread+0x1330/0x1330
[  149.986098][   T12]  kthread+0x30f/0x3f0
[  149.986100][   T12]  ? trace_irq_enable.constprop.0+0x13c/0x190
[  149.986104][   T12]  ? kthread_affine_node+0x150/0x150
[  149.986107][   T12]  ret_from_fork+0x472/0x6b0
[  149.986111][   T12]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  149.986115][   T12]  ? __switch_to+0x538/0xcf0
[  149.986118][   T12]  ? kthread_affine_node+0x150/0x150
[  149.986121][   T12]  ret_from_fork_asm+0x11/0x20
[  149.986128][   T12]  </TASK>
[  150.083993][    C0] tun0: no available key for peer 6, key-id: 0
[  168.135032][ T1577] iperf3 (1577) used greatest stack depth: 22368 bytes left
[  170.202925][ T1602] tun0: deleting peer with id 1, reason 1
[  170.257553][ T1603] tun1: deleting peer with id 10, reason 1
[  172.786910][ T1617] tun0: deleting peer with id 2, reason 1
[  172.836112][ T1618] tun2: deleting peer with id 11, reason 1
[  176.553703][   T60] tun0: deleting peer with id 4, reason 2
[  176.554212][   T60] tun0: deleting peer with id 3, reason 2
[  176.554466][   T60] tun0: deleting peer with id 5, reason 2
[  176.554674][   T60] tun0: deleting peer with id 6, reason 2
[  181.672571][   T60] tun3: deleting peer with id 12, reason 2
[  181.672837][   T10] tun4: deleting peer with id 13, reason 2
[  181.736453][   T60] tun5: deleting peer with id 14, reason 2
[  181.800455][   T10] tun6: deleting peer with id 15, reason 2