[  188.147314][    C2] tun0: no available key for peer 1, key-id: 0
[  188.209809][   T67] tun0: no available key for peer 2, key-id: 0
[  188.210501][   T67] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/67
[  188.210775][   T67] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[  188.210976][   T67] CPU: 2 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 7.0.0-rc5-virtme #1 PREEMPT(full) 
[  188.210980][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  188.210983][   T67] Workqueue: kstrp strp_work
[  188.210991][   T67] Call Trace:
[  188.210993][   T67]  <TASK>
[  188.210995][   T67]  dump_stack_lvl+0x6f/0xa0
[  188.211001][   T67]  check_preemption_disabled+0xdb/0xf0
[  188.211007][   T67]  ovpn_recv+0x192/0x2a0 [ovpn]
[  188.211013][   T67]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[  188.211018][   T67]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[  188.211022][   T67]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  188.211025][   T67]  ? skb_pp_frag_ref+0x440/0x440
[  188.211030][   T67]  __strp_recv+0x1ee/0x1b70
[  188.211035][   T67]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  188.211040][   T67]  __tcp_read_sock+0x1a1/0x7c0
[  188.211045][   T67]  ? strp_process+0xb0/0xb0
[  188.211048][   T67]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  188.211053][   T67]  strp_read_sock+0x20f/0x2b0
[  188.211056][   T67]  ? strp_stop+0x50/0x50
[  188.211057][   T67]  ? __lock_release.isra.0+0x59/0x170
[  188.211062][   T67]  ? lockdep_hardirqs_on+0x84/0x130
[  188.211064][   T67]  ? __local_bh_enable_ip+0xa3/0x140
[  188.211068][   T67]  strp_work+0x9f/0xe0
[  188.211070][   T67]  process_one_work+0xdf6/0x1410
[  188.211077][   T67]  ? pwq_dec_nr_in_flight+0x700/0x700
[  188.211079][   T67]  ? lock_acquire.part.0+0xbc/0x260
[  188.211086][   T67]  worker_thread+0x4eb/0xd60
[  188.211090][   T67]  ? rescuer_thread+0x1340/0x1340
[  188.211092][   T67]  ? __kthread_parkme+0xb3/0x200
[  188.211096][   T67]  ? rescuer_thread+0x1340/0x1340
[  188.211098][   T67]  kthread+0x30f/0x3f0
[  188.211100][   T67]  ? trace_irq_enable.constprop.0+0x13c/0x190
[  188.211104][   T67]  ? kthread_affine_node+0x150/0x150
[  188.211107][   T67]  ret_from_fork+0x472/0x6b0
[  188.211111][   T67]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  188.211114][   T67]  ? __switch_to+0x538/0xcf0
[  188.211117][   T67]  ? kthread_affine_node+0x150/0x150
[  188.211120][   T67]  ret_from_fork_asm+0x11/0x20
[  188.211127][   T67]  </TASK>
[  188.278791][    C2] tun0: no available key for peer 3, key-id: 0
[  188.416334][    C3] tun0: no available key for peer 5, key-id: 0
[  196.880513][ T1893] tun2: deleting peer with id 11, reason 4
[  196.881858][ T1896] tun3: deleting peer with id 12, reason 4
[  196.881976][ T1890] tun1: deleting peer with id 10, reason 4
[  196.882314][ T1899] tun4: deleting peer with id 13, reason 4
[  196.883092][ T1902] tun5: deleting peer with id 14, reason 4
[  196.884557][ T1906] tun6: deleting peer with id 15, reason 4
[  196.884683][ T1905] tun0: deleting peer with id 6, reason 4
[  196.889457][ T1905] tun0: deleting peer with id 5, reason 4
[  196.895499][ T1905] tun0: deleting peer with id 4, reason 4
[  196.903221][ T1905] tun0: deleting peer with id 3, reason 4
[  196.912213][ T1905] tun0: deleting peer with id 2, reason 4
[  196.922212][ T1905] tun0: deleting peer with id 1, reason 4