[  417.523609][ T1670] tun0: deleting peer with id 4, reason 4
[  417.523643][ T1681] tun1: deleting peer with id 10, reason 4
[  417.524011][ T1670] tun0: deleting peer with id 3, reason 4
[  417.524381][ T1670] tun0: deleting peer with id 5, reason 4
[  417.524694][ T1670] tun0: deleting peer with id 1, reason 4
[  417.524974][ T1670] tun0: deleting peer with id 6, reason 4
[  417.525238][ T1670] tun0: deleting peer with id 2, reason 4
[  417.529820][ T1695] tun3: deleting peer with id 12, reason 4
[  417.530450][ T1688] tun2: deleting peer with id 11, reason 4
[  427.258992][   T12] tun0: no available key for peer 1, key-id: 0
[  427.259313][   T12] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:0/12
[  427.259581][   T12] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[  427.259748][   T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 7.0.0-rc4-virtme #1 PREEMPT(full) 
[  427.259751][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  427.259754][   T12] Workqueue: kstrp strp_work
[  427.259762][   T12] Call Trace:
[  427.259764][   T12]  <TASK>
[  427.259766][   T12]  dump_stack_lvl+0x6f/0xa0
[  427.259773][   T12]  check_preemption_disabled+0xdb/0xf0
[  427.259779][   T12]  ovpn_recv+0x192/0x2a0 [ovpn]
[  427.259785][   T12]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[  427.259790][   T12]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[  427.259794][   T12]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  427.259797][   T12]  ? skb_find_text+0x1d0/0x2a0
[  427.259803][   T12]  __strp_recv+0x1ee/0x1b70
[  427.259808][   T12]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  427.259815][   T12]  __tcp_read_sock+0x1a1/0x7c0
[  427.259820][   T12]  ? strp_process+0xb0/0xb0
[  427.259823][   T12]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  427.259829][   T12]  strp_read_sock+0x20f/0x2b0
[  427.259832][   T12]  ? strp_stop+0x50/0x50
[  427.259833][   T12]  ? __lock_release.isra.0+0x59/0x170
[  427.259839][   T12]  ? lockdep_hardirqs_on+0x84/0x130
[  427.259841][   T12]  ? __local_bh_enable_ip+0xa3/0x140
[  427.259845][   T12]  strp_work+0x9f/0xe0
[  427.259847][   T12]  process_one_work+0xdf6/0x1410
[  427.259855][   T12]  ? pwq_dec_nr_in_flight+0x700/0x700
[  427.259858][   T12]  ? lock_acquire.part.0+0xbc/0x260
[  427.259865][   T12]  worker_thread+0x4eb/0xd60
[  427.259872][   T12]  ? rescuer_thread+0x1340/0x1340
[  427.259875][   T12]  kthread+0x30f/0x3f0
[  427.259877][   T12]  ? trace_irq_enable.constprop.0+0x13c/0x190
[  427.259881][   T12]  ? kthread_affine_node+0x150/0x150
[  427.259884][   T12]  ret_from_fork+0x472/0x6b0
[  427.259889][   T12]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  427.259892][   T12]  ? __switch_to+0x538/0xcf0
[  427.259896][   T12]  ? kthread_affine_node+0x150/0x150
[  427.259899][   T12]  ret_from_fork_asm+0x11/0x20
[  427.259907][   T12]  </TASK>
[  427.407855][    C1] tun0: no available key for peer 3, key-id: 0
[  446.976495][ T2770] iperf3 (2770) used greatest stack depth: 23072 bytes left
[  449.176325][ T2795] tun0: deleting peer with id 1, reason 1
[  449.235137][ T2796] tun1: deleting peer with id 10, reason 1
[  451.756581][ T2810] tun0: deleting peer with id 2, reason 1
[  451.810217][ T2811] tun2: deleting peer with id 11, reason 1
[  455.524581][ T2422] tun0: deleting peer with id 4, reason 2
[  455.525203][ T2422] tun0: deleting peer with id 3, reason 2
[  455.525439][ T2422] tun0: deleting peer with id 5, reason 2
[  455.525698][ T2422] tun0: deleting peer with id 6, reason 2
[  460.581012][ T2422] tun3: deleting peer with id 12, reason 2
[  460.645791][   T66] tun4: deleting peer with id 13, reason 2
[  460.708595][   T34] tun5: deleting peer with id 14, reason 2
[  460.708609][ T2422] tun6: deleting peer with id 15, reason 2