[  303.124319][ T1414] tun2: deleting peer with id 11, reason 4
[  303.124402][ T1390] tun0: deleting peer with id 4, reason 4
[  303.124967][ T1390] tun0: deleting peer with id 3, reason 4
[  303.125135][ T1421] tun3: deleting peer with id 12, reason 4
[  303.125550][ T1390] tun0: deleting peer with id 5, reason 4
[  303.126046][ T1390] tun0: deleting peer with id 1, reason 4
[  303.126367][ T1390] tun0: deleting peer with id 6, reason 4
[  303.126659][ T1390] tun0: deleting peer with id 2, reason 4
[  303.128231][ T1407] tun1: deleting peer with id 10, reason 4
[  313.278959][   T12] tun0: no available key for peer 3, key-id: 0
[  313.279241][   T12] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:0/12
[  313.279471][   T12] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[  313.279614][   T12] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 7.0.0-rc5-virtme #1 PREEMPT(full) 
[  313.279618][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  313.279619][   T12] Workqueue: kstrp strp_work
[  313.279627][   T12] Call Trace:
[  313.279629][   T12]  <TASK>
[  313.279631][   T12]  dump_stack_lvl+0x6f/0xa0
[  313.279637][   T12]  check_preemption_disabled+0xdb/0xf0
[  313.279643][   T12]  ovpn_recv+0x192/0x2a0 [ovpn]
[  313.279647][   T12]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[  313.279652][   T12]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[  313.279656][   T12]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  313.279659][   T12]  ? skb_pp_frag_ref+0x1c0/0x440
[  313.279664][   T12]  __strp_recv+0x1ee/0x1b70
[  313.279669][   T12]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  313.279675][   T12]  __tcp_read_sock+0x1a1/0x7c0
[  313.279679][   T12]  ? strp_process+0xb0/0xb0
[  313.279682][   T12]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  313.279688][   T12]  strp_read_sock+0x20f/0x2b0
[  313.279690][   T12]  ? strp_stop+0x50/0x50
[  313.279692][   T12]  ? __lock_release.isra.0+0x59/0x170
[  313.279697][   T12]  ? lockdep_hardirqs_on+0x84/0x130
[  313.279699][   T12]  ? __local_bh_enable_ip+0xa3/0x140
[  313.279703][   T12]  strp_work+0x9f/0xe0
[  313.279705][   T12]  process_one_work+0xdf6/0x1410
[  313.279712][   T12]  ? pwq_dec_nr_in_flight+0x700/0x700
[  313.279714][   T12]  ? lock_acquire.part.0+0xbc/0x260
[  313.279721][   T12]  worker_thread+0x4eb/0xd60
[  313.279727][   T12]  ? rescuer_thread+0x1340/0x1340
[  313.279729][   T12]  kthread+0x30f/0x3f0
[  313.279732][   T12]  ? trace_irq_enable.constprop.0+0x13c/0x190
[  313.279736][   T12]  ? kthread_affine_node+0x150/0x150
[  313.279738][   T12]  ret_from_fork+0x472/0x6b0
[  313.279743][   T12]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  313.279746][   T12]  ? __switch_to+0x538/0xcf0
[  313.279749][   T12]  ? kthread_affine_node+0x150/0x150
[  313.279752][   T12]  ret_from_fork_asm+0x11/0x20
[  313.279759][   T12]  </TASK>
[  313.527282][    C2] tun0: no available key for peer 6, key-id: 0
[  333.692144][ T2495] iperf3 (2495) used greatest stack depth: 23240 bytes left
[  336.015179][ T2520] tun0: deleting peer with id 1, reason 1
[  336.057954][ T2521] tun1: deleting peer with id 10, reason 1
[  338.574428][ T2535] tun0: deleting peer with id 2, reason 1
[  338.644397][ T2536] tun2: deleting peer with id 11, reason 1
[  342.499940][   T64] tun0: deleting peer with id 4, reason 2
[  342.500804][   T64] tun0: deleting peer with id 3, reason 2
[  342.501101][   T64] tun0: deleting peer with id 5, reason 2
[  342.501384][   T64] tun0: deleting peer with id 6, reason 2
[  347.620365][   T10] tun3: deleting peer with id 12, reason 2
[  347.683980][   T70] tun4: deleting peer with id 13, reason 2
[  347.747947][   T10] tun5: deleting peer with id 14, reason 2
[  347.748936][   T70] tun6: deleting peer with id 15, reason 2