[  530.673336][   T71] tun0: no available key for peer 2, key-id: 0
[  530.673608][   T71] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/71
[  530.673871][   T71] caller is ovpn_recv+0x193/0x2b0 [ovpn]
[  530.674059][   T71] CPU: 2 UID: 0 PID: 71 Comm: kworker/u16:1 Not tainted 7.0.0-rc7-virtme #1 PREEMPT(full) 
[  530.674063][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  530.674066][   T71] Workqueue: kstrp strp_work
[  530.674074][   T71] Call Trace:
[  530.674076][   T71]  <TASK>
[  530.674079][   T71]  dump_stack_lvl+0x6f/0xa0
[  530.674085][   T71]  check_preemption_disabled+0xdb/0xf0
[  530.674091][   T71]  ovpn_recv+0x193/0x2b0 [ovpn]
[  530.674097][   T71]  ovpn_tcp_rcv+0x279/0x910 [ovpn]
[  530.674102][   T71]  ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn]
[  530.674105][   T71]  ? __copy_skb_header+0xb7/0x440
[  530.674110][   T71]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  530.674113][   T71]  ? __skb_clone+0x400/0x760
[  530.674117][   T71]  __strp_recv+0x20f/0x1c30
[  530.674122][   T71]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  530.674128][   T71]  __tcp_read_sock+0x1c7/0x850
[  530.674132][   T71]  ? strp_process+0xb0/0xb0
[  530.674135][   T71]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  530.674140][   T71]  strp_read_sock+0x20f/0x2b0
[  530.674143][   T71]  ? strp_stop+0x50/0x50
[  530.674144][   T71]  ? __lock_release.isra.0+0x6b/0x1a0
[  530.674150][   T71]  ? lockdep_hardirqs_on+0x8c/0x130
[  530.674152][   T71]  ? __local_bh_enable_ip+0xa5/0x140
[  530.674156][   T71]  strp_work+0x9f/0xe0
[  530.674158][   T71]  process_one_work+0xdf5/0x1410
[  530.674166][   T71]  ? pwq_dec_nr_in_flight+0x710/0x710
[  530.674168][   T71]  ? lock_acquire.part.0+0xbc/0x260
[  530.674175][   T71]  worker_thread+0x4f1/0xd60
[  530.674179][   T71]  ? rescuer_thread+0x1320/0x1320
[  530.674181][   T71]  ? __kthread_parkme+0xbd/0x210
[  530.674186][   T71]  ? rescuer_thread+0x1320/0x1320
[  530.674188][   T71]  kthread+0x364/0x460
[  530.674190][   T71]  ? trace_irq_enable.constprop.0+0x9b/0x180
[  530.674193][   T71]  ? kthread_affine_node+0x330/0x330
[  530.674196][   T71]  ret_from_fork+0x474/0x6b0
[  530.674201][   T71]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  530.674204][   T71]  ? __switch_to+0x540/0xd10
[  530.674207][   T71]  ? kthread_affine_node+0x330/0x330
[  530.674210][   T71]  ret_from_fork_asm+0x11/0x20
[  530.674218][   T71]  </TASK>
[  530.871456][    C3] tun0: no available key for peer 5, key-id: 0
[  530.978334][    C0] tun0: no available key for peer 6, key-id: 0
[  550.496509][ T3869] iperf3 (3869) used greatest stack depth: 22640 bytes left
[  552.791301][ T3894] tun0: deleting peer with id 1, reason 1
[  552.848153][ T3895] tun1: deleting peer with id 10, reason 1
[  555.377998][ T3909] tun0: deleting peer with id 2, reason 1
[  555.431371][ T3910] tun2: deleting peer with id 11, reason 1
[  559.135791][   T67] tun0: deleting peer with id 4, reason 2
[  559.136356][   T67] tun0: deleting peer with id 3, reason 2
[  559.136661][   T67] tun0: deleting peer with id 5, reason 2
[  559.136916][   T67] tun0: deleting peer with id 6, reason 2
[  564.254995][  T283] tun3: deleting peer with id 12, reason 2
[  564.318620][  T283] tun5: deleting peer with id 14, reason 2
[  564.319623][  T605] tun4: deleting peer with id 13, reason 2
[  564.383656][   T52] tun6: deleting peer with id 15, reason 2