[  258.069729][ T2131] tun3: deleting peer with id 12, reason 4
[  258.070817][ T2124] tun2: deleting peer with id 11, reason 4
[  258.071561][ T2100] tun0: deleting peer with id 4, reason 4
[  258.071791][ T2117] tun1: deleting peer with id 10, reason 4
[  258.072008][ T2100] tun0: deleting peer with id 3, reason 4
[  258.072359][ T2100] tun0: deleting peer with id 5, reason 4
[  258.072633][ T2100] tun0: deleting peer with id 1, reason 4
[  258.072918][ T2100] tun0: deleting peer with id 6, reason 4
[  258.073224][ T2100] tun0: deleting peer with id 2, reason 4
[  268.198297][    C1] tun0: no available key for peer 3, key-id: 0
[  268.331494][    C1] tun0: no available key for peer 5, key-id: 0
[  268.411041][   T12] tun0: no available key for peer 6, key-id: 0
[  268.411375][   T12] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:0/12
[  268.411624][   T12] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[  268.411774][   T12] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 7.0.0-rc3-virtme #1 PREEMPT(full) 
[  268.411778][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  268.411780][   T12] Workqueue: kstrp strp_work
[  268.411788][   T12] Call Trace:
[  268.411789][   T12]  <TASK>
[  268.411792][   T12]  dump_stack_lvl+0x6f/0xa0
[  268.411798][   T12]  check_preemption_disabled+0xdb/0xf0
[  268.411804][   T12]  ovpn_recv+0x192/0x2a0 [ovpn]
[  268.411808][   T12]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[  268.411813][   T12]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[  268.411818][   T12]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  268.411821][   T12]  ? __get_netmem+0x70/0xa0
[  268.411827][   T12]  __strp_recv+0x1ee/0x1b70
[  268.411832][   T12]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  268.411838][   T12]  __tcp_read_sock+0x1a1/0x7c0
[  268.411843][   T12]  ? strp_process+0xb0/0xb0
[  268.411846][   T12]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  268.411852][   T12]  strp_read_sock+0x20f/0x2b0
[  268.411855][   T12]  ? strp_stop+0x50/0x50
[  268.411856][   T12]  ? __lock_release.isra.0+0x59/0x170
[  268.411861][   T12]  ? lockdep_hardirqs_on+0x84/0x130
[  268.411864][   T12]  ? __local_bh_enable_ip+0xa3/0x140
[  268.411868][   T12]  strp_work+0x9f/0xe0
[  268.411870][   T12]  process_one_work+0xd57/0x1390
[  268.411878][   T12]  ? pwq_dec_nr_in_flight+0x700/0x700
[  268.411881][   T12]  ? lock_acquire.part.0+0xbc/0x260
[  268.411888][   T12]  worker_thread+0x4d6/0xd40
[  268.411896][   T12]  ? rescuer_thread+0x1330/0x1330
[  268.411898][   T12]  kthread+0x30f/0x3f0
[  268.411901][   T12]  ? trace_irq_enable.constprop.0+0x13c/0x190
[  268.411910][   T12]  ? kthread_affine_node+0x150/0x150
[  268.411913][   T12]  ret_from_fork+0x472/0x6b0
[  268.411918][   T12]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[  268.411922][   T12]  ? __switch_to+0x538/0xcf0
[  268.411925][   T12]  ? kthread_affine_node+0x150/0x150
[  268.411928][   T12]  ret_from_fork_asm+0x11/0x20
[  268.411937][   T12]  </TASK>
[  288.473835][ T2495] iperf3 (2495) used greatest stack depth: 23240 bytes left
[  291.006039][ T2520] tun0: deleting peer with id 1, reason 1
[  291.060172][ T2521] tun1: deleting peer with id 10, reason 1
[  293.715815][ T2535] tun0: deleting peer with id 2, reason 1
[  293.771531][ T2536] tun2: deleting peer with id 11, reason 1
[  297.510367][   T64] tun0: deleting peer with id 4, reason 2
[  297.511075][   T64] tun0: deleting peer with id 3, reason 2
[  297.511431][   T64] tun0: deleting peer with id 5, reason 2
[  297.511778][   T64] tun0: deleting peer with id 6, reason 2
[  302.630416][   T10] tun3: deleting peer with id 12, reason 2
[  302.695018][   T64] tun4: deleting peer with id 13, reason 2
[  302.759013][   T66] tun5: deleting peer with id 14, reason 2
[  302.822997][   T64] tun6: deleting peer with id 15, reason 2