[ 1526.495063][ T9128] tun0: deleting peer with id 4, reason 4
[ 1526.495123][ T9139] tun1: deleting peer with id 10, reason 4
[ 1526.495255][ T9146] tun2: deleting peer with id 11, reason 4
[ 1526.495913][ T9128] tun0: deleting peer with id 3, reason 4
[ 1526.496560][ T9128] tun0: deleting peer with id 5, reason 4
[ 1526.496798][ T9128] tun0: deleting peer with id 1, reason 4
[ 1526.497039][ T9128] tun0: deleting peer with id 6, reason 4
[ 1526.497389][ T9128] tun0: deleting peer with id 2, reason 4
[ 1526.498303][ T9153] tun3: deleting peer with id 12, reason 4
[ 1537.214646][    C1] tun0: no available key for peer 1, key-id: 0
[ 1537.262368][ T6187] tun0: no available key for peer 2, key-id: 0
[ 1537.262555][ T6187] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:2/6187
[ 1537.262779][ T6187] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[ 1537.262911][ T6187] CPU: 1 UID: 0 PID: 6187 Comm: kworker/u16:2 Not tainted 7.0.0-rc6-virtme #1 PREEMPT(full) 
[ 1537.262914][ T6187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1537.262916][ T6187] Workqueue: kstrp strp_work
[ 1537.262924][ T6187] Call Trace:
[ 1537.262926][ T6187]  <TASK>
[ 1537.262927][ T6187]  dump_stack_lvl+0x6f/0xa0
[ 1537.262933][ T6187]  check_preemption_disabled+0xdb/0xf0
[ 1537.262939][ T6187]  ovpn_recv+0x192/0x2a0 [ovpn]
[ 1537.262943][ T6187]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[ 1537.262948][ T6187]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[ 1537.262952][ T6187]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[ 1537.262955][ T6187]  ? skb_copy_and_csum_bits+0x1d0/0x8e0
[ 1537.262960][ T6187]  __strp_recv+0x1ec/0x1bb0
[ 1537.262965][ T6187]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[ 1537.262970][ T6187]  __tcp_read_sock+0x1a1/0x7c0
[ 1537.262974][ T6187]  ? strp_process+0xb0/0xb0
[ 1537.262977][ T6187]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[ 1537.262983][ T6187]  strp_read_sock+0x20f/0x2b0
[ 1537.262985][ T6187]  ? strp_stop+0x50/0x50
[ 1537.262987][ T6187]  ? __lock_release.isra.0+0x59/0x170
[ 1537.262992][ T6187]  ? lockdep_hardirqs_on+0x84/0x130
[ 1537.262994][ T6187]  ? __local_bh_enable_ip+0xa3/0x140
[ 1537.262998][ T6187]  strp_work+0x9f/0xe0
[ 1537.263000][ T6187]  process_one_work+0xdf6/0x1410
[ 1537.263007][ T6187]  ? pwq_dec_nr_in_flight+0x700/0x700
[ 1537.263009][ T6187]  ? lock_acquire.part.0+0xbc/0x260
[ 1537.263016][ T6187]  worker_thread+0x4eb/0xd60
[ 1537.263022][ T6187]  ? rescuer_thread+0x1340/0x1340
[ 1537.263024][ T6187]  kthread+0x30f/0x3f0
[ 1537.263027][ T6187]  ? trace_irq_enable.constprop.0+0x13c/0x190
[ 1537.263031][ T6187]  ? kthread_affine_node+0x150/0x150
[ 1537.263033][ T6187]  ret_from_fork+0x472/0x6b0
[ 1537.263037][ T6187]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[ 1537.263041][ T6187]  ? __switch_to+0x538/0xcf0
[ 1537.263044][ T6187]  ? kthread_affine_node+0x150/0x150
[ 1537.263047][ T6187]  ret_from_fork_asm+0x11/0x20
[ 1537.263054][ T6187]  </TASK>
[ 1537.371170][    C1] tun0: no available key for peer 4, key-id: 0
[ 1537.416215][    C2] tun0: no available key for peer 5, key-id: 0
[ 1556.918312][ T9511] iperf3 (9511) used greatest stack depth: 23168 bytes left
[ 1559.180642][ T9536] tun0: deleting peer with id 1, reason 1
[ 1559.232917][ T9537] tun1: deleting peer with id 1, reason 1
[ 1561.876147][ T9551] tun0: deleting peer with id 2, reason 1
[ 1561.926811][ T9552] tun2: deleting peer with id 2, reason 1
[ 1564.713148][   T66] tun0: deleting peer with id 4, reason 2
[ 1564.713851][   T66] tun0: deleting peer with id 3, reason 2
[ 1565.738151][   T66] tun0: deleting peer with id 5, reason 2
[ 1565.738554][   T66] tun0: deleting peer with id 6, reason 2
[ 1570.793659][ T7490] tun3: deleting peer with id 3, reason 2
[ 1570.857142][ T7490] tun5: deleting peer with id 5, reason 2
[ 1570.858164][   T66] tun4: deleting peer with id 4, reason 2
[ 1570.922138][   T66] tun6: deleting peer with id 6, reason 2