[  448.623612][ T1978] tun0: deleting peer with id 4, reason 4
[  448.623859][ T1989] tun1: deleting peer with id 10, reason 4
[  448.624220][ T1978] tun0: deleting peer with id 3, reason 4
[  448.624472][ T1978] tun0: deleting peer with id 5, reason 4
[  448.624840][ T1978] tun0: deleting peer with id 1, reason 4
[  448.625113][ T1978] tun0: deleting peer with id 6, reason 4
[  448.625374][ T1978] tun0: deleting peer with id 2, reason 4
[  448.627958][ T2003] tun3: deleting peer with id 12, reason 4
[  448.628702][ T1996] tun2: deleting peer with id 11, reason 4
[  458.594083][    C1] tun0: no available key for peer 1, key-id: 0
[  458.646030][    C3] tun0: no available key for peer 2, key-id: 0
[  458.750728][   T71] tun0: no available key for peer 4, key-id: 0
[  458.750954][   T71] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/71
[  458.751181][   T71] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[  458.751321][   T71] CPU: 3 UID: 0 PID: 71 Comm: kworker/u16:1 Not tainted 7.0.0-rc5-virtme #1 PREEMPT(full) 
[  458.751325][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  458.751327][   T71] Workqueue: kstrp strp_work
[  458.751336][   T71] Call Trace:
[  458.751337][   T71]  <TASK>
[  458.751339][   T71]  dump_stack_lvl+0x6f/0xa0
[  458.751346][   T71]  check_preemption_disabled+0xdb/0xf0
[  458.751352][   T71]  ovpn_recv+0x192/0x2a0 [ovpn]
[  458.751356][   T71]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[  458.751361][   T71]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[  458.751365][   T71]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  458.751369][   T71]  ? __napi_alloc_frag_align+0x90/0x470
[  458.751374][   T71]  __strp_recv+0x1ee/0x1b70
[  458.751379][   T71]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  458.751386][   T71]  __tcp_read_sock+0x1a1/0x7c0
[  458.751390][   T71]  ? strp_process+0xb0/0xb0
[  458.751393][   T71]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  458.751399][   T71]  strp_read_sock+0x20f/0x2b0
[  458.751401][   T71]  ? strp_stop+0x50/0x50
[  458.751403][   T71]  ? __lock_release.isra.0+0x59/0x170
[  458.751408][   T71]  ? lockdep_hardirqs_on+0x84/0x130
[  458.751410][   T71]  ? __local_bh_enable_ip+0xa3/0x140
[  458.751415][   T71]  strp_work+0x9f/0xe0
[  458.751417][   T71]  process_one_work+0xdf6/0x1410
[  458.751424][   T71]  ? pwq_dec_nr_in_flight+0x700/0x700
[  458.751427][   T71]  ? lock_acquire.part.0+0xbc/0x260
[  458.751434][   T71]  worker_thread+0x4eb/0xd60
[  458.751438][   T71]  ? rescuer_thread+0x1340/0x1340
[  458.751440][   T71]  ? __kthread_parkme+0xb3/0x200
[  458.751445][   T71]  ? rescuer_thread+0x1340/0x1340
[  458.751447][   T71]  kthread+0x30f/0x3f0
[  458.751449][   T71]  ? trace_irq_enable.constprop.0+0x13c/0x190
[  458.751453][   T71]  ? kthread_affine_node+0x150/0x150
[  458.751456][   T71]  ret_from_fork+0x472/0x6b0
[  458.751461][   T71]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  458.751464][   T71]  ? __switch_to+0x538/0xcf0
[  458.751468][   T71]  ? kthread_affine_node+0x150/0x150
[  458.751471][   T71]  ret_from_fork_asm+0x11/0x20
[  458.751478][   T71]  </TASK>
[  458.849449][    C2] tun0: no available key for peer 6, key-id: 0
[  480.105545][ T3098] tun0: deleting peer with id 1, reason 1
[  480.156871][ T3099] tun1: deleting peer with id 1, reason 1
[  482.712863][ T3113] tun0: deleting peer with id 2, reason 1
[  482.778947][ T3114] tun2: deleting peer with id 2, reason 1
[  486.497926][   T68] tun0: deleting peer with id 4, reason 2
[  486.498834][   T68] tun0: deleting peer with id 3, reason 2
[  486.499147][   T68] tun0: deleting peer with id 5, reason 2
[  486.499419][   T68] tun0: deleting peer with id 6, reason 2
[  491.621379][   T68] tun3: deleting peer with id 3, reason 2
[  491.681932][   T68] tun5: deleting peer with id 5, reason 2
[  491.681948][   T10] tun4: deleting peer with id 4, reason 2
[  491.746921][   T10] tun6: deleting peer with id 6, reason 2