[  716.133741][    C3] tun0: no available key for peer 1, key-id: 0
[  716.306661][    C3] tun0: no available key for peer 4, key-id: 0
[  716.372503][    C3] tun0: no available key for peer 5, key-id: 0
[  716.424373][   T71] tun0: no available key for peer 6, key-id: 0
[  716.424571][   T71] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/71
[  716.424801][   T71] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[  716.425728][   T71] CPU: 3 UID: 0 PID: 71 Comm: kworker/u16:1 Not tainted 7.0.0-rc4-virtme #1 PREEMPT(full) 
[  716.425732][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  716.425734][   T71] Workqueue: kstrp strp_work
[  716.425742][   T71] Call Trace:
[  716.425744][   T71]  <TASK>
[  716.425745][   T71]  dump_stack_lvl+0x6f/0xa0
[  716.425752][   T71]  check_preemption_disabled+0xdb/0xf0
[  716.425758][   T71]  ovpn_recv+0x192/0x2a0 [ovpn]
[  716.425764][   T71]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[  716.425769][   T71]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[  716.425773][   T71]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  716.425781][   T71]  ? __splice_segment+0x2c0/0x810
[  716.425787][   T71]  __strp_recv+0x1ee/0x1b70
[  716.425792][   T71]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  716.425798][   T71]  __tcp_read_sock+0x1a1/0x7c0
[  716.425803][   T71]  ? strp_process+0xb0/0xb0
[  716.425806][   T71]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  716.425812][   T71]  strp_read_sock+0x20f/0x2b0
[  716.425815][   T71]  ? strp_stop+0x50/0x50
[  716.425817][   T71]  ? __lock_release.isra.0+0x59/0x170
[  716.425822][   T71]  ? lockdep_hardirqs_on+0x84/0x130
[  716.425824][   T71]  ? __local_bh_enable_ip+0xa3/0x140
[  716.425828][   T71]  strp_work+0x9f/0xe0
[  716.425831][   T71]  process_one_work+0xdf6/0x1410
[  716.425838][   T71]  ? pwq_dec_nr_in_flight+0x700/0x700
[  716.425841][   T71]  ? lock_acquire.part.0+0xbc/0x260
[  716.425848][   T71]  worker_thread+0x4eb/0xd60
[  716.425855][   T71]  ? rescuer_thread+0x1340/0x1340
[  716.425857][   T71]  kthread+0x30f/0x3f0
[  716.425860][   T71]  ? trace_irq_enable.constprop.0+0x13c/0x190
[  716.425864][   T71]  ? kthread_affine_node+0x150/0x150
[  716.425867][   T71]  ret_from_fork+0x472/0x6b0
[  716.425872][   T71]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  716.425875][   T71]  ? __switch_to+0x538/0xcf0
[  716.425879][   T71]  ? kthread_affine_node+0x150/0x150
[  716.425882][   T71]  ret_from_fork_asm+0x11/0x20
[  716.425890][   T71]  </TASK>
[  738.107134][ T5761] tun0: deleting peer with id 1, reason 1
[  738.163745][ T5762] tun1: deleting peer with id 1, reason 1
[  740.711743][ T5776] tun0: deleting peer with id 2, reason 1
[  740.762182][ T5777] tun2: deleting peer with id 2, reason 1
[  744.471368][   T34] tun0: deleting peer with id 4, reason 2
[  744.471873][   T34] tun0: deleting peer with id 3, reason 2
[  744.472123][   T34] tun0: deleting peer with id 5, reason 2
[  744.472331][   T34] tun0: deleting peer with id 6, reason 2
[  749.591197][   T10] tun3: deleting peer with id 3, reason 2
[  749.591767][   T34] tun4: deleting peer with id 4, reason 2
[  749.655086][   T34] tun6: deleting peer with id 6, reason 2
[  749.655102][   T67] tun5: deleting peer with id 5, reason 2