[  134.404307][   T12] tun0: no available key for peer 2, key-id: 0
[  134.404602][   T12] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:0/12
[  134.404871][   T12] caller is ovpn_recv+0x193/0x2b0 [ovpn]
[  134.405041][   T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 7.0.0-rc7-virtme #1 PREEMPT(full) 
[  134.405046][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  134.405048][   T12] Workqueue: kstrp strp_work
[  134.405056][   T12] Call Trace:
[  134.405059][   T12]  <TASK>
[  134.405061][   T12]  dump_stack_lvl+0x6f/0xa0
[  134.405067][   T12]  check_preemption_disabled+0xdb/0xf0
[  134.405073][   T12]  ovpn_recv+0x193/0x2b0 [ovpn]
[  134.405078][   T12]  ovpn_tcp_rcv+0x279/0x910 [ovpn]
[  134.405083][   T12]  ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn]
[  134.405086][   T12]  ? __copy_skb_header+0xb7/0x440
[  134.405091][   T12]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  134.405094][   T12]  ? __skb_clone+0x560/0x760
[  134.405097][   T12]  __strp_recv+0x20f/0x1c30
[  134.405102][   T12]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  134.405108][   T12]  __tcp_read_sock+0x1c7/0x850
[  134.405111][   T12]  ? strp_process+0xb0/0xb0
[  134.405115][   T12]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  134.405119][   T12]  strp_read_sock+0x20f/0x2b0
[  134.405122][   T12]  ? strp_stop+0x50/0x50
[  134.405124][   T12]  ? __lock_release.isra.0+0x6b/0x1a0
[  134.405129][   T12]  ? lockdep_hardirqs_on+0x8c/0x130
[  134.405131][   T12]  ? __local_bh_enable_ip+0xa5/0x140
[  134.405134][   T12]  strp_work+0x9f/0xe0
[  134.405137][   T12]  process_one_work+0xdf5/0x1410
[  134.405144][   T12]  ? pwq_dec_nr_in_flight+0x710/0x710
[  134.405146][   T12]  ? lock_acquire.part.0+0xbc/0x260
[  134.405152][   T12]  worker_thread+0x4f1/0xd60
[  134.405159][   T12]  ? rescuer_thread+0x1320/0x1320
[  134.405161][   T12]  kthread+0x364/0x460
[  134.405163][   T12]  ? trace_irq_enable.constprop.0+0x9b/0x180
[  134.405167][   T12]  ? kthread_affine_node+0x330/0x330
[  134.405170][   T12]  ret_from_fork+0x474/0x6b0
[  134.405174][   T12]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  134.405177][   T12]  ? __switch_to+0x540/0xd10
[  134.405181][   T12]  ? kthread_affine_node+0x330/0x330
[  134.405183][   T12]  ret_from_fork_asm+0x11/0x20
[  134.405191][   T12]  </TASK>
[  134.477402][    C1] tun0: no available key for peer 3, key-id: 0
[  152.053709][ T1546] iperf3 (1546) used greatest stack depth: 23288 bytes left
[  154.247831][ T1571] tun0: deleting peer with id 1, reason 1
[  154.297819][ T1572] tun1: deleting peer with id 10, reason 1
[  156.789646][ T1586] tun0: deleting peer with id 2, reason 1
[  156.837469][ T1587] tun2: deleting peer with id 11, reason 1
[  159.521123][   T62] tun0: deleting peer with id 4, reason 2
[  159.521667][   T62] tun0: deleting peer with id 3, reason 2
[  159.521943][   T62] tun0: deleting peer with id 5, reason 2
[  160.545866][   T62] tun0: deleting peer with id 6, reason 2
[  165.601162][   T72] tun3: deleting peer with id 12, reason 2
[  165.664885][   T10] tun4: deleting peer with id 13, reason 2
[  165.728876][   T10] tun6: deleting peer with id 15, reason 2
[  165.728891][   T72] tun5: deleting peer with id 14, reason 2