[  305.306876][ T1418] tun2: deleting peer with id 11, reason 4
[  305.310440][ T1394] tun0: deleting peer with id 4, reason 4
[  305.310844][ T1394] tun0: deleting peer with id 3, reason 4
[  305.311099][ T1394] tun0: deleting peer with id 5, reason 4
[  305.311331][ T1394] tun0: deleting peer with id 1, reason 4
[  305.311613][ T1394] tun0: deleting peer with id 6, reason 4
[  305.311889][ T1394] tun0: deleting peer with id 2, reason 4
[  305.312494][ T1425] tun3: deleting peer with id 12, reason 4
[  305.312545][ T1411] tun1: deleting peer with id 10, reason 4
[  315.951943][   T12] tun0: no available key for peer 5, key-id: 0
[  315.952212][   T12] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:0/12
[  315.952437][   T12] caller is ovpn_recv+0x193/0x2b0 [ovpn]
[  315.952564][   T12] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 7.0.0-virtme #1 PREEMPT(full) 
[  315.952568][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  315.952569][   T12] Workqueue: kstrp strp_work
[  315.952578][   T12] Call Trace:
[  315.952580][   T12]  <TASK>
[  315.952581][   T12]  dump_stack_lvl+0x6f/0xa0
[  315.952592][   T12]  check_preemption_disabled+0xdb/0xf0
[  315.952596][   T12]  ovpn_recv+0x193/0x2b0 [ovpn]
[  315.952601][   T12]  ovpn_tcp_rcv+0x279/0x910 [ovpn]
[  315.952606][   T12]  ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn]
[  315.952609][   T12]  ? __copy_skb_header+0xb7/0x440
[  315.952613][   T12]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  315.952616][   T12]  ? sock_queue_err_skb+0x5b0/0x660
[  315.952619][   T12]  __strp_recv+0x20f/0x1c30
[  315.952624][   T12]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  315.952630][   T12]  __tcp_read_sock+0x1c7/0x850
[  315.952633][   T12]  ? strp_process+0xb0/0xb0
[  315.952637][   T12]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  315.952642][   T12]  strp_read_sock+0x20f/0x2b0
[  315.952645][   T12]  ? strp_stop+0x50/0x50
[  315.952647][   T12]  ? __lock_release.isra.0+0x6b/0x1a0
[  315.952652][   T12]  ? lockdep_hardirqs_on+0x8c/0x130
[  315.952654][   T12]  ? __local_bh_enable_ip+0xa5/0x140
[  315.952657][   T12]  strp_work+0x9f/0xe0
[  315.952660][   T12]  process_one_work+0xdf5/0x1410
[  315.952673][   T12]  ? pwq_dec_nr_in_flight+0x710/0x710
[  315.952675][   T12]  ? lock_acquire.part.0+0xbc/0x260
[  315.952682][   T12]  worker_thread+0x4f1/0xd60
[  315.952688][   T12]  ? rescuer_thread+0x1320/0x1320
[  315.952690][   T12]  kthread+0x364/0x460
[  315.952693][   T12]  ? trace_irq_enable.constprop.0+0x9b/0x180
[  315.952696][   T12]  ? kthread_affine_node+0x330/0x330
[  315.952699][   T12]  ret_from_fork+0x474/0x6b0
[  315.952703][   T12]  ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[  315.952707][   T12]  ? __switch_to+0x5a3/0xe00
[  315.952710][   T12]  ? kthread_affine_node+0x330/0x330
[  315.952712][   T12]  ret_from_fork_asm+0x11/0x20
[  315.952720][   T12]  </TASK>
[  334.460992][ T2496] iperf3 (2496) used greatest stack depth: 22944 bytes left
[  336.807414][ T2521] tun0: deleting peer with id 1, reason 1
[  336.862875][ T2522] tun1: deleting peer with id 10, reason 1
[  339.433545][ T2536] tun0: deleting peer with id 2, reason 1
[  339.479498][ T2537] tun2: deleting peer with id 11, reason 1
[  343.205662][   T24] tun0: deleting peer with id 4, reason 2
[  343.206240][   T24] tun0: deleting peer with id 3, reason 2
[  343.206476][   T24] tun0: deleting peer with id 5, reason 2
[  343.206961][   T24] tun0: deleting peer with id 6, reason 2
[  348.325267][   T63] tun3: deleting peer with id 12, reason 2
[  348.388691][  T287] tun4: deleting peer with id 13, reason 2
[  348.389682][  T211] tun5: deleting peer with id 14, reason 2
[  348.452672][  T287] tun6: deleting peer with id 15, reason 2