[  771.509051][   T70] tun0: no available key for peer 1, key-id: 0
[  771.509331][   T70] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/70
[  771.509550][   T70] caller is ovpn_recv+0x193/0x2b0 [ovpn]
[  771.509693][   T70] CPU: 3 UID: 0 PID: 70 Comm: kworker/u16:1 Not tainted 7.0.0-rc6-virtme #1 PREEMPT(full) 
[  771.509697][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  771.509699][   T70] Workqueue: kstrp strp_work
[  771.509707][   T70] Call Trace:
[  771.509708][   T70]  <TASK>
[  771.509710][   T70]  dump_stack_lvl+0x6f/0xa0
[  771.509717][   T70]  check_preemption_disabled+0xdb/0xf0
[  771.509722][   T70]  ovpn_recv+0x193/0x2b0 [ovpn]
[  771.509727][   T70]  ovpn_tcp_rcv+0x279/0x910 [ovpn]
[  771.509732][   T70]  ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn]
[  771.509736][   T70]  ? __copy_skb_header+0xb7/0x440
[  771.509740][   T70]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  771.509743][   T70]  ? alloc_skb_for_msg+0x250/0x2a0
[  771.509747][   T70]  __strp_recv+0x20f/0x1c30
[  771.509752][   T70]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  771.509758][   T70]  __tcp_read_sock+0x1c7/0x850
[  771.509763][   T70]  ? strp_process+0xb0/0xb0
[  771.509766][   T70]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  771.509772][   T70]  strp_read_sock+0x20f/0x2b0
[  771.509774][   T70]  ? strp_stop+0x50/0x50
[  771.509776][   T70]  ? __lock_release.isra.0+0x6b/0x1a0
[  771.509781][   T70]  ? lockdep_hardirqs_on+0x8c/0x130
[  771.509783][   T70]  ? __local_bh_enable_ip+0xa5/0x140
[  771.509787][   T70]  strp_work+0x9f/0xe0
[  771.509789][   T70]  process_one_work+0xdf5/0x1410
[  771.509797][   T70]  ? pwq_dec_nr_in_flight+0x710/0x710
[  771.509799][   T70]  ? lock_acquire.part.0+0xbc/0x260
[  771.509806][   T70]  worker_thread+0x4f1/0xd60
[  771.509810][   T70]  ? rescuer_thread+0x1320/0x1320
[  771.509812][   T70]  ? __kthread_parkme+0xbd/0x210
[  771.509817][   T70]  ? rescuer_thread+0x1320/0x1320
[  771.509819][   T70]  kthread+0x364/0x460
[  771.509821][   T70]  ? trace_irq_enable.constprop.0+0x9b/0x180
[  771.509824][   T70]  ? kthread_affine_node+0x330/0x330
[  771.509827][   T70]  ret_from_fork+0x474/0x6b0
[  771.509831][   T70]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  771.509835][   T70]  ? __switch_to+0x540/0xd10
[  771.509838][   T70]  ? kthread_affine_node+0x330/0x330
[  771.509841][   T70]  ret_from_fork_asm+0x11/0x20
[  771.509849][   T70]  </TASK>
[  771.586088][    C3] tun0: no available key for peer 2, key-id: 0
[  771.817596][    C3] tun0: no available key for peer 5, key-id: 0
[  782.785934][ T6544] tun1: deleting peer with id 10, reason 4
[  782.786074][ T6547] tun2: deleting peer with id 11, reason 4
[  782.786283][ T6556] tun5: deleting peer with id 14, reason 4
[  782.786335][ T6561] tun6: deleting peer with id 15, reason 4
[  782.786923][ T6550] tun3: deleting peer with id 12, reason 4
[  782.787407][ T6553] tun4: deleting peer with id 13, reason 4
[  782.788049][ T6559] tun0: deleting peer with id 6, reason 4
[  782.796556][ T6559] tun0: deleting peer with id 5, reason 4
[  782.802258][ T6559] tun0: deleting peer with id 4, reason 4
[  782.808825][ T6559] tun0: deleting peer with id 3, reason 4
[  782.816825][ T6559] tun0: deleting peer with id 2, reason 4
[  782.824824][ T6559] tun0: deleting peer with id 1, reason 4
[  791.081068][  T111] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)