[  825.211075][    C1] tun0: no available key for peer 2, key-id: 0
[  825.333152][    C1] tun0: no available key for peer 4, key-id: 0
[  825.459249][   T12] tun0: no available key for peer 6, key-id: 0
[  825.459521][   T12] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:0/12
[  825.459749][   T12] caller is ovpn_recv+0x193/0x2b0 [ovpn]
[  825.460004][   T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 7.0.0-rc6-virtme #1 PREEMPT(full) 
[  825.460008][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  825.460010][   T12] Workqueue: kstrp strp_work
[  825.460018][   T12] Call Trace:
[  825.460019][   T12]  <TASK>
[  825.460021][   T12]  dump_stack_lvl+0x6f/0xa0
[  825.460027][   T12]  check_preemption_disabled+0xdb/0xf0
[  825.460032][   T12]  ovpn_recv+0x193/0x2b0 [ovpn]
[  825.460037][   T12]  ovpn_tcp_rcv+0x279/0x910 [ovpn]
[  825.460042][   T12]  ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn]
[  825.460045][   T12]  ? __copy_skb_header+0xb7/0x440
[  825.460050][   T12]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  825.460052][   T12]  ? skb_copy_expand+0x310/0x420
[  825.460055][   T12]  __strp_recv+0x20f/0x1c30
[  825.460060][   T12]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  825.460065][   T12]  __tcp_read_sock+0x1c7/0x850
[  825.460069][   T12]  ? strp_process+0xb0/0xb0
[  825.460072][   T12]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  825.460077][   T12]  strp_read_sock+0x20f/0x2b0
[  825.460079][   T12]  ? strp_stop+0x50/0x50
[  825.460081][   T12]  ? __lock_release.isra.0+0x6b/0x1a0
[  825.460086][   T12]  ? lockdep_hardirqs_on+0x8c/0x130
[  825.460088][   T12]  ? __local_bh_enable_ip+0xa5/0x140
[  825.460092][   T12]  strp_work+0x9f/0xe0
[  825.460094][   T12]  process_one_work+0xdf5/0x1410
[  825.460101][   T12]  ? pwq_dec_nr_in_flight+0x710/0x710
[  825.460103][   T12]  ? lock_acquire.part.0+0xbc/0x260
[  825.460109][   T12]  worker_thread+0x4f1/0xd60
[  825.460115][   T12]  ? rescuer_thread+0x1320/0x1320
[  825.460118][   T12]  kthread+0x364/0x460
[  825.460120][   T12]  ? trace_irq_enable.constprop.0+0x9b/0x180
[  825.460124][   T12]  ? kthread_affine_node+0x330/0x330
[  825.460126][   T12]  ret_from_fork+0x474/0x6b0
[  825.460130][   T12]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  825.460134][   T12]  ? __switch_to+0x540/0xd10
[  825.460137][   T12]  ? kthread_affine_node+0x330/0x330
[  825.460140][   T12]  ret_from_fork_asm+0x11/0x20
[  825.460147][   T12]  </TASK>
[  833.739205][ T6342] tun1: deleting peer with id 10, reason 4
[  833.740414][ T6354] tun5: deleting peer with id 14, reason 4
[  833.740433][ T6348] tun3: deleting peer with id 12, reason 4
[  833.740526][ T6351] tun4: deleting peer with id 13, reason 4
[  833.744734][ T6359] tun0: deleting peer with id 6, reason 4
[  833.744750][ T6345] tun2: deleting peer with id 11, reason 4
[  833.746128][ T6357] tun6: deleting peer with id 15, reason 4
[  833.752605][ T6359] tun0: deleting peer with id 5, reason 4
[  833.756867][ T6359] tun0: deleting peer with id 4, reason 4
[  833.766233][ T6359] tun0: deleting peer with id 3, reason 4
[  833.772822][ T6359] tun0: deleting peer with id 2, reason 4
[  833.780831][ T6359] tun0: deleting peer with id 1, reason 4