[  211.729914][ T2182] ovpn-cli (2182) used greatest stack depth: 23616 bytes left
[  211.982976][   T68] tun0: no available key for peer 3, key-id: 0
[  211.983305][   T68] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/68
[  211.983590][   T68] caller is ovpn_recv+0x193/0x2b0 [ovpn]
[  211.983716][   T68] CPU: 1 UID: 0 PID: 68 Comm: kworker/u16:1 Not tainted 7.1.0-rc2-virtme #1 PREEMPT(full) 
[  211.983720][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  211.983722][   T68] Workqueue: kstrp strp_work
[  211.983731][   T68] Call Trace:
[  211.983734][   T68]  <TASK>
[  211.983737][   T68]  dump_stack_lvl+0x6f/0xa0
[  211.983746][   T68]  check_preemption_disabled+0xdb/0xf0
[  211.983752][   T68]  ovpn_recv+0x193/0x2b0 [ovpn]
[  211.983760][   T68]  ovpn_tcp_rcv+0x279/0x910 [ovpn]
[  211.983768][   T68]  ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn]
[  211.983773][   T68]  ? __copy_skb_header+0xb7/0x510
[  211.983778][   T68]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  211.983781][   T68]  ? __skb_splice_bits.isra.0+0x380/0x890
[  211.983785][   T68]  __strp_recv+0x20f/0x1c30
[  211.983790][   T68]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  211.983796][   T68]  __tcp_read_sock+0x1c7/0x850
[  211.983800][   T68]  ? strp_process+0xb0/0xb0
[  211.983804][   T68]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  211.983809][   T68]  strp_read_sock+0x20f/0x2b0
[  211.983812][   T68]  ? strp_stop+0x50/0x50
[  211.983814][   T68]  ? __lock_release.isra.0+0x6b/0x1a0
[  211.983819][   T68]  ? lockdep_hardirqs_on+0x8c/0x130
[  211.983820][   T68]  ? __local_bh_enable_ip+0xa5/0x140
[  211.983824][   T68]  strp_work+0x9f/0xe0
[  211.983826][   T68]  process_one_work+0xdf5/0x1410
[  211.983833][   T68]  ? pwq_dec_nr_in_flight+0x710/0x710
[  211.983835][   T68]  ? lock_acquire.part.0+0xbc/0x260
[  211.983843][   T68]  worker_thread+0x4f1/0xd60
[  211.983847][   T68]  ? rescuer_thread+0x1320/0x1320
[  211.983849][   T68]  ? __kthread_parkme+0xbd/0x210
[  211.983853][   T68]  ? rescuer_thread+0x1320/0x1320
[  211.983855][   T68]  kthread+0x364/0x460
[  211.983857][   T68]  ? trace_irq_enable.constprop.0+0x9b/0x180
[  211.983860][   T68]  ? kthread_affine_node+0x330/0x330
[  211.983863][   T68]  ret_from_fork+0x474/0x6b0
[  211.983868][   T68]  ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[  211.983872][   T68]  ? __switch_to+0x5a3/0xe00
[  211.983875][   T68]  ? kthread_affine_node+0x330/0x330
[  211.983877][   T68]  ret_from_fork_asm+0x11/0x20
[  211.983885][   T68]  </TASK>
[  212.363856][    C1] tun0: no available key for peer 6, key-id: 0
[  223.978342][ T2411] iperf3 (2411) used greatest stack depth: 22400 bytes left
[  225.795211][ T2505] tun0: deleting peer with id 1, reason 1
[  225.879618][ T2509] tun1: deleting peer with id 10, reason 1
[  228.742846][ T2557] tun0: deleting peer with id 2, reason 1
[  228.834365][ T2561] tun2: deleting peer with id 11, reason 1
[  235.151709][  T205] tun0: deleting peer with id 4, reason 2
[  235.152260][  T205] tun0: deleting peer with id 3, reason 2
[  235.152636][  T205] tun0: deleting peer with id 5, reason 2
[  235.152866][  T205] tun0: deleting peer with id 6, reason 2
[  240.336110][   T64] tun3: deleting peer with id 12, reason 2
[  240.399448][   T64] tun4: deleting peer with id 13, reason 2
[  240.463433][  T205] tun5: deleting peer with id 14, reason 2
[  240.527425][  T205] tun6: deleting peer with id 15, reason 2