[ 1200.020308][    C2] tun0: no available key for peer 1, key-id: 0
[ 1200.309528][ T7769] tun0: no available key for peer 5, key-id: 0
[ 1200.309733][ T7769] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/7769
[ 1200.309956][ T7769] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[ 1200.310092][ T7769] CPU: 0 UID: 0 PID: 7769 Comm: kworker/u16:1 Not tainted 7.0.0-rc6-virtme #1 PREEMPT(full) 
[ 1200.310096][ T7769] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1200.310097][ T7769] Workqueue: kstrp strp_work
[ 1200.310105][ T7769] Call Trace:
[ 1200.310107][ T7769]  <TASK>
[ 1200.310109][ T7769]  dump_stack_lvl+0x6f/0xa0
[ 1200.310115][ T7769]  check_preemption_disabled+0xdb/0xf0
[ 1200.310121][ T7769]  ovpn_recv+0x192/0x2a0 [ovpn]
[ 1200.310126][ T7769]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[ 1200.310130][ T7769]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[ 1200.310134][ T7769]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[ 1200.310138][ T7769]  ? skb_copy_and_csum_bits+0x1d0/0x8e0
[ 1200.310143][ T7769]  __strp_recv+0x1ec/0x1bb0
[ 1200.310148][ T7769]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[ 1200.310154][ T7769]  __tcp_read_sock+0x1a1/0x7c0
[ 1200.310159][ T7769]  ? strp_process+0xb0/0xb0
[ 1200.310162][ T7769]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[ 1200.310172][ T7769]  strp_read_sock+0x20f/0x2b0
[ 1200.310175][ T7769]  ? strp_stop+0x50/0x50
[ 1200.310177][ T7769]  ? __lock_release.isra.0+0x59/0x170
[ 1200.310183][ T7769]  ? lockdep_hardirqs_on+0x84/0x130
[ 1200.310184][ T7769]  ? __local_bh_enable_ip+0xa3/0x140
[ 1200.310189][ T7769]  strp_work+0x9f/0xe0
[ 1200.310191][ T7769]  process_one_work+0xdf6/0x1410
[ 1200.310199][ T7769]  ? pwq_dec_nr_in_flight+0x700/0x700
[ 1200.310201][ T7769]  ? lock_acquire.part.0+0xbc/0x260
[ 1200.310208][ T7769]  worker_thread+0x4eb/0xd60
[ 1200.310212][ T7769]  ? rescuer_thread+0x1340/0x1340
[ 1200.310215][ T7769]  ? __kthread_parkme+0xb3/0x200
[ 1200.310219][ T7769]  ? rescuer_thread+0x1340/0x1340
[ 1200.310221][ T7769]  kthread+0x30f/0x3f0
[ 1200.310223][ T7769]  ? trace_irq_enable.constprop.0+0x13c/0x190
[ 1200.310227][ T7769]  ? kthread_affine_node+0x150/0x150
[ 1200.310230][ T7769]  ret_from_fork+0x472/0x6b0
[ 1200.310234][ T7769]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[ 1200.310238][ T7769]  ? __switch_to+0x538/0xcf0
[ 1200.310242][ T7769]  ? kthread_affine_node+0x150/0x150
[ 1200.310244][ T7769]  ret_from_fork_asm+0x11/0x20
[ 1200.310252][ T7769]  </TASK>
[ 1208.845460][ T9044] tun1: deleting peer with id 10, reason 4
[ 1208.845708][ T9047] tun2: deleting peer with id 11, reason 4
[ 1208.846613][ T9050] tun3: deleting peer with id 12, reason 4
[ 1208.847802][ T9053] tun4: deleting peer with id 13, reason 4
[ 1208.851176][ T9060] tun6: deleting peer with id 15, reason 4
[ 1208.855719][ T9056] tun5: deleting peer with id 14, reason 4
[ 1208.859958][ T9059] tun0: deleting peer with id 6, reason 4
[ 1208.868717][ T9059] tun0: deleting peer with id 5, reason 4
[ 1208.880570][ T9059] tun0: deleting peer with id 4, reason 4
[ 1208.888777][ T9059] tun0: deleting peer with id 3, reason 4
[ 1208.896534][ T9059] tun0: deleting peer with id 2, reason 4
[ 1208.904488][ T9059] tun0: deleting peer with id 1, reason 4