[  247.973607][  T335] tun1: deleting peer with id 10, reason 4
[  247.977854][  T341] tun3: deleting peer with id 12, reason 4
[  247.978661][  T338] tun2: deleting peer with id 11, reason 4
[  247.978996][  T347] tun5: deleting peer with id 14, reason 4
[  247.979879][  T344] tun4: deleting peer with id 13, reason 4
[  247.992835][  T351] tun6: deleting peer with id 15, reason 4
[  247.999888][  T350] tun0: deleting peer with id 6, reason 4
[  248.007186][  T350] tun0: deleting peer with id 5, reason 4
[  248.013964][  T350] tun0: deleting peer with id 4, reason 4
[  248.027137][  T350] tun0: deleting peer with id 3, reason 4
[  248.035982][  T350] tun0: deleting peer with id 2, reason 4
[  248.045004][  T350] tun0: deleting peer with id 1, reason 4
[  256.680619][   T12] tun0: no available key for peer 1, key-id: 0
[  256.680939][   T12] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:0/12
[  256.681186][   T12] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[  256.681347][   T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 7.0.0-rc4-virtme #1 PREEMPT(full) 
[  256.681350][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  256.681353][   T12] Workqueue: kstrp strp_work
[  256.681360][   T12] Call Trace:
[  256.681362][   T12]  <TASK>
[  256.681363][   T12]  dump_stack_lvl+0x6f/0xa0
[  256.681370][   T12]  check_preemption_disabled+0xdb/0xf0
[  256.681375][   T12]  ovpn_recv+0x192/0x2a0 [ovpn]
[  256.681380][   T12]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[  256.681384][   T12]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[  256.681389][   T12]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  256.681391][   T12]  ? skb_find_text+0x250/0x2a0
[  256.681397][   T12]  __strp_recv+0x1ee/0x1b70
[  256.681401][   T12]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  256.681407][   T12]  __tcp_read_sock+0x1a1/0x7c0
[  256.681412][   T12]  ? strp_process+0xb0/0xb0
[  256.681415][   T12]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  256.681420][   T12]  strp_read_sock+0x20f/0x2b0
[  256.681423][   T12]  ? strp_stop+0x50/0x50
[  256.681424][   T12]  ? __lock_release.isra.0+0x59/0x170
[  256.681430][   T12]  ? lockdep_hardirqs_on+0x84/0x130
[  256.681432][   T12]  ? __local_bh_enable_ip+0xa3/0x140
[  256.681435][   T12]  strp_work+0x9f/0xe0
[  256.681438][   T12]  process_one_work+0xdf6/0x1410
[  256.681445][   T12]  ? pwq_dec_nr_in_flight+0x700/0x700
[  256.681447][   T12]  ? lock_acquire.part.0+0xbc/0x260
[  256.681454][   T12]  worker_thread+0x4eb/0xd60
[  256.681461][   T12]  ? rescuer_thread+0x1340/0x1340
[  256.681463][   T12]  kthread+0x30f/0x3f0
[  256.681466][   T12]  ? trace_irq_enable.constprop.0+0x13c/0x190
[  256.681470][   T12]  ? kthread_affine_node+0x150/0x150
[  256.681473][   T12]  ret_from_fork+0x472/0x6b0
[  256.681477][   T12]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  256.681480][   T12]  ? __switch_to+0x538/0xcf0
[  256.681483][   T12]  ? kthread_affine_node+0x150/0x150
[  256.681486][   T12]  ret_from_fork_asm+0x11/0x20
[  256.681494][   T12]  </TASK>
[  256.748430][    C0] tun0: no available key for peer 2, key-id: 0
[  265.198337][ T1791] iperf3 (1791) used greatest stack depth: 22368 bytes left
[  265.361397][ T1741] tun1: deleting peer with id 10, reason 4
[  265.361697][ T1751] tun4: deleting peer with id 13, reason 4
[  265.364773][ T1744] tun2: deleting peer with id 11, reason 4
[  265.367380][ T1748] tun3: deleting peer with id 12, reason 4
[  265.370399][ T1758] tun6: deleting peer with id 15, reason 4
[  265.372987][ T1757] tun0: deleting peer with id 6, reason 4
[  265.372999][ T1754] tun5: deleting peer with id 14, reason 4
[  265.380875][ T1757] tun0: deleting peer with id 5, reason 4
[  265.385890][ T1757] tun0: deleting peer with id 4, reason 4
[  265.393928][ T1757] tun0: deleting peer with id 3, reason 4
[  265.405865][ T1757] tun0: deleting peer with id 2, reason 4
[  265.414078][ T1757] tun0: deleting peer with id 1, reason 4