[  144.022822][    C1] tun0: no available key for peer 2, key-id: 0
[  144.119408][ T1424] tun0: no available key for peer 4, key-id: 0
[  144.119659][ T1424] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:2/1424
[  144.119882][ T1424] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[  144.120019][ T1424] CPU: 3 UID: 0 PID: 1424 Comm: kworker/u16:2 Not tainted 7.0.0-rc3-virtme #1 PREEMPT(full) 
[  144.120022][ T1424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  144.120024][ T1424] Workqueue: kstrp strp_work
[  144.120032][ T1424] Call Trace:
[  144.120033][ T1424]  <TASK>
[  144.120035][ T1424]  dump_stack_lvl+0x6f/0xa0
[  144.120042][ T1424]  check_preemption_disabled+0xdb/0xf0
[  144.120047][ T1424]  ovpn_recv+0x192/0x2a0 [ovpn]
[  144.120052][ T1424]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[  144.120056][ T1424]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[  144.120060][ T1424]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  144.120063][ T1424]  ? __build_skb_around+0x50/0x330
[  144.120068][ T1424]  __strp_recv+0x1ee/0x1b70
[  144.120073][ T1424]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  144.120079][ T1424]  __tcp_read_sock+0x1a1/0x7c0
[  144.120083][ T1424]  ? strp_process+0xb0/0xb0
[  144.120086][ T1424]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  144.120091][ T1424]  strp_read_sock+0x20f/0x2b0
[  144.120094][ T1424]  ? strp_stop+0x50/0x50
[  144.120096][ T1424]  ? __lock_release.isra.0+0x59/0x170
[  144.120101][ T1424]  ? lockdep_hardirqs_on+0x84/0x130
[  144.120103][ T1424]  ? __local_bh_enable_ip+0xa3/0x140
[  144.120106][ T1424]  strp_work+0x9f/0xe0
[  144.120109][ T1424]  process_one_work+0xd57/0x1390
[  144.120116][ T1424]  ? pwq_dec_nr_in_flight+0x700/0x700
[  144.120118][ T1424]  ? lock_acquire.part.0+0xbc/0x260
[  144.120125][ T1424]  worker_thread+0x4d6/0xd40
[  144.120128][ T1424]  ? rescuer_thread+0x1330/0x1330
[  144.120131][ T1424]  ? __kthread_parkme+0xb3/0x200
[  144.120135][ T1424]  ? rescuer_thread+0x1330/0x1330
[  144.120137][ T1424]  kthread+0x30f/0x3f0
[  144.120139][ T1424]  ? trace_irq_enable.constprop.0+0x13c/0x190
[  144.120143][ T1424]  ? kthread_affine_node+0x150/0x150
[  144.120146][ T1424]  ret_from_fork+0x472/0x6b0
[  144.120150][ T1424]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  144.120153][ T1424]  ? __switch_to+0x538/0xcf0
[  144.120156][ T1424]  ? kthread_affine_node+0x150/0x150
[  144.120159][ T1424]  ret_from_fork_asm+0x11/0x20
[  144.120167][ T1424]  </TASK>
[  144.207354][    C3] tun0: no available key for peer 6, key-id: 0
[  162.008037][ T1540] iperf3 (1540) used greatest stack depth: 23240 bytes left
[  164.054016][ T1565] tun0: deleting peer with id 1, reason 1
[  164.103600][ T1566] tun1: deleting peer with id 1, reason 1
[  166.600037][ T1580] tun0: deleting peer with id 2, reason 1
[  166.656021][ T1581] tun2: deleting peer with id 2, reason 1
[  170.331175][   T64] tun0: deleting peer with id 4, reason 2
[  170.331718][   T64] tun0: deleting peer with id 3, reason 2
[  170.332031][   T64] tun0: deleting peer with id 5, reason 2
[  170.332303][   T64] tun0: deleting peer with id 6, reason 2
[  175.386230][   T64] tun3: deleting peer with id 3, reason 2
[  175.449973][   T64] tun4: deleting peer with id 4, reason 2
[  175.513912][   T64] tun6: deleting peer with id 6, reason 2
[  175.513933][   T10] tun5: deleting peer with id 5, reason 2