[  936.475375][    C2] tun0: no available key for peer 1, key-id: 0
[  936.618965][   T70] tun0: no available key for peer 3, key-id: 0
[  936.619373][   T70] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/70
[  936.619729][   T70] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[  936.619974][   T70] CPU: 2 UID: 0 PID: 70 Comm: kworker/u16:1 Not tainted 7.0.0-rc2-virtme #1 PREEMPT(full) 
[  936.619979][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  936.619981][   T70] Workqueue: kstrp strp_work
[  936.619996][   T70] Call Trace:
[  936.619999][   T70]  <TASK>
[  936.620001][   T70]  dump_stack_lvl+0x6f/0xa0
[  936.620008][   T70]  check_preemption_disabled+0xdb/0xf0
[  936.620014][   T70]  ovpn_recv+0x192/0x2a0 [ovpn]
[  936.620020][   T70]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[  936.620025][   T70]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[  936.620029][   T70]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  936.620032][   T70]  ? skb_dump+0xb00/0x1180
[  936.620037][   T70]  __strp_recv+0x1ee/0x1b70
[  936.620042][   T70]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  936.620048][   T70]  __tcp_read_sock+0x1a1/0x7c0
[  936.620053][   T70]  ? strp_process+0xb0/0xb0
[  936.620056][   T70]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  936.620062][   T70]  strp_read_sock+0x20f/0x2b0
[  936.620065][   T70]  ? strp_stop+0x50/0x50
[  936.620067][   T70]  ? __lock_release.isra.0+0x59/0x170
[  936.620072][   T70]  ? lockdep_hardirqs_on+0x84/0x130
[  936.620074][   T70]  ? __local_bh_enable_ip+0xa3/0x140
[  936.620078][   T70]  strp_work+0x9f/0xe0
[  936.620080][   T70]  process_one_work+0xd57/0x1390
[  936.620088][   T70]  ? pwq_dec_nr_in_flight+0x700/0x700
[  936.620090][   T70]  ? lock_acquire.part.0+0xbc/0x260
[  936.620097][   T70]  worker_thread+0x4d6/0xd40
[  936.620104][   T70]  ? rescuer_thread+0x1330/0x1330
[  936.620107][   T70]  kthread+0x30f/0x3f0
[  936.620109][   T70]  ? trace_irq_enable.constprop.0+0x13c/0x190
[  936.620113][   T70]  ? kthread_affine_node+0x150/0x150
[  936.620116][   T70]  ret_from_fork+0x472/0x6b0
[  936.620120][   T70]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  936.620124][   T70]  ? __switch_to+0x538/0xcf0
[  936.620127][   T70]  ? kthread_affine_node+0x150/0x150
[  936.620130][   T70]  ret_from_fork_asm+0x11/0x20
[  936.620139][   T70]  </TASK>

WAIT TIMEOUT stderr

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Ctrl-C stderr