[  215.280961][   T69] tun0: no available key for peer 3, key-id: 0
[  215.281239][   T69] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/69
[  215.281479][   T69] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[  215.281625][   T69] CPU: 3 UID: 0 PID: 69 Comm: kworker/u16:1 Not tainted 7.0.0-rc3-virtme #1 PREEMPT(full) 
[  215.281629][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  215.281631][   T69] Workqueue: kstrp strp_work
[  215.281638][   T69] Call Trace:
[  215.281640][   T69]  <TASK>
[  215.281642][   T69]  dump_stack_lvl+0x6f/0xa0
[  215.281648][   T69]  check_preemption_disabled+0xdb/0xf0
[  215.281654][   T69]  ovpn_recv+0x192/0x2a0 [ovpn]
[  215.281659][   T69]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[  215.281663][   T69]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[  215.281668][   T69]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  215.281671][   T69]  ? __skb_ext_set+0x170/0x430
[  215.281676][   T69]  __strp_recv+0x1ee/0x1b70
[  215.281681][   T69]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  215.281687][   T69]  __tcp_read_sock+0x1a1/0x7c0
[  215.281691][   T69]  ? strp_process+0xb0/0xb0
[  215.281694][   T69]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  215.281699][   T69]  strp_read_sock+0x20f/0x2b0
[  215.281702][   T69]  ? strp_stop+0x50/0x50
[  215.281703][   T69]  ? __lock_release.isra.0+0x59/0x170
[  215.281708][   T69]  ? lockdep_hardirqs_on+0x84/0x130
[  215.281710][   T69]  ? __local_bh_enable_ip+0xa3/0x140
[  215.281714][   T69]  strp_work+0x9f/0xe0
[  215.281716][   T69]  process_one_work+0xd57/0x1390
[  215.281724][   T69]  ? pwq_dec_nr_in_flight+0x700/0x700
[  215.281726][   T69]  ? lock_acquire.part.0+0xbc/0x260
[  215.281733][   T69]  worker_thread+0x4d6/0xd40
[  215.281737][   T69]  ? rescuer_thread+0x1330/0x1330
[  215.281739][   T69]  ? __kthread_parkme+0xb3/0x200
[  215.281744][   T69]  ? rescuer_thread+0x1330/0x1330
[  215.281746][   T69]  kthread+0x30f/0x3f0
[  215.281748][   T69]  ? trace_irq_enable.constprop.0+0x13c/0x190
[  215.281752][   T69]  ? kthread_affine_node+0x150/0x150
[  215.281755][   T69]  ret_from_fork+0x472/0x6b0
[  215.281759][   T69]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  215.281763][   T69]  ? __switch_to+0x538/0xcf0
[  215.281766][   T69]  ? kthread_affine_node+0x150/0x150
[  215.281769][   T69]  ret_from_fork_asm+0x11/0x20
[  215.281782][   T69]  </TASK>
[  215.494289][    C0] tun0: no available key for peer 6, key-id: 0
[  235.176588][ T2255] iperf3 (2255) used greatest stack depth: 22368 bytes left
[  237.235970][ T2280] tun0: deleting peer with id 1, reason 1
[  237.291018][ T2281] tun1: deleting peer with id 10, reason 1
[  239.839682][ T2295] tun0: deleting peer with id 2, reason 1
[  239.891567][ T2296] tun2: deleting peer with id 11, reason 1
[  242.596071][   T10] tun0: deleting peer with id 4, reason 2
[  242.596654][   T10] tun0: deleting peer with id 3, reason 2
[  242.596887][   T10] tun0: deleting peer with id 5, reason 2
[  243.619809][   T10] tun0: deleting peer with id 6, reason 2
[  248.676199][   T10] tun3: deleting peer with id 12, reason 2
[  248.739826][   T66] tun5: deleting peer with id 14, reason 2
[  248.740812][   T73] tun4: deleting peer with id 13, reason 2
[  248.803807][   T73] tun6: deleting peer with id 15, reason 2