[ 1486.489696][   T72] tun0: no available key for peer 6, key-id: 0
[ 1486.490123][   T72] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/72
[ 1486.490405][   T72] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[ 1486.490590][   T72] CPU: 2 UID: 0 PID: 72 Comm: kworker/u16:1 Not tainted 7.0.0-rc5-virtme #1 PREEMPT(full) 
[ 1486.490594][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1486.490596][   T72] Workqueue: kstrp strp_work
[ 1486.490604][   T72] Call Trace:
[ 1486.490606][   T72]  <TASK>
[ 1486.490608][   T72]  dump_stack_lvl+0x6f/0xa0
[ 1486.490615][   T72]  check_preemption_disabled+0xdb/0xf0
[ 1486.490621][   T72]  ovpn_recv+0x192/0x2a0 [ovpn]
[ 1486.490626][   T72]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[ 1486.490631][   T72]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[ 1486.490635][   T72]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[ 1486.490638][   T72]  ? skb_pp_frag_ref+0x1e0/0x440
[ 1486.490643][   T72]  __strp_recv+0x1ee/0x1b70
[ 1486.490648][   T72]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[ 1486.490654][   T72]  __tcp_read_sock+0x1a1/0x7c0
[ 1486.490658][   T72]  ? strp_process+0xb0/0xb0
[ 1486.490661][   T72]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[ 1486.490666][   T72]  strp_read_sock+0x20f/0x2b0
[ 1486.490669][   T72]  ? strp_stop+0x50/0x50
[ 1486.490670][   T72]  ? __lock_release.isra.0+0x59/0x170
[ 1486.490675][   T72]  ? lockdep_hardirqs_on+0x84/0x130
[ 1486.490677][   T72]  ? __local_bh_enable_ip+0xa3/0x140
[ 1486.490681][   T72]  strp_work+0x9f/0xe0
[ 1486.490683][   T72]  process_one_work+0xdf6/0x1410
[ 1486.490690][   T72]  ? pwq_dec_nr_in_flight+0x700/0x700
[ 1486.490692][   T72]  ? lock_acquire.part.0+0xbc/0x260
[ 1486.490698][   T72]  worker_thread+0x4eb/0xd60
[ 1486.490705][   T72]  ? rescuer_thread+0x1340/0x1340
[ 1486.490707][   T72]  kthread+0x30f/0x3f0
[ 1486.490709][   T72]  ? trace_irq_enable.constprop.0+0x13c/0x190
[ 1486.490713][   T72]  ? kthread_affine_node+0x150/0x150
[ 1486.490716][   T72]  ret_from_fork+0x472/0x6b0
[ 1486.490719][   T72]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[ 1486.490723][   T72]  ? __switch_to+0x538/0xcf0
[ 1486.490726][   T72]  ? kthread_affine_node+0x150/0x150
[ 1486.490729][   T72]  ret_from_fork_asm+0x11/0x20
[ 1486.490736][   T72]  </TASK>
[ 1495.006117][T10297] tun2: deleting peer with id 11, reason 4
[ 1495.009230][T10294] tun1: deleting peer with id 10, reason 4
[ 1495.009248][T10309] tun6: deleting peer with id 15, reason 4
[ 1495.009391][T10306] tun5: deleting peer with id 14, reason 4
[ 1495.009726][T10303] tun4: deleting peer with id 13, reason 4
[ 1495.012310][T10300] tun3: deleting peer with id 12, reason 4
[ 1495.016521][T10312] tun0: deleting peer with id 6, reason 4
[ 1495.023467][T10312] tun0: deleting peer with id 5, reason 4
[ 1495.029735][T10312] tun0: deleting peer with id 4, reason 4
[ 1495.036448][T10312] tun0: deleting peer with id 3, reason 4
[ 1495.044438][T10312] tun0: deleting peer with id 2, reason 4
[ 1495.053372][T10312] tun0: deleting peer with id 1, reason 4