[  654.569349][    C1] tun0: no available key for peer 3, key-id: 0
[  654.679634][   T69] tun0: no available key for peer 4, key-id: 0
[  654.679901][   T69] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/69
[  654.680103][   T69] caller is ovpn_recv+0x193/0x2b0 [ovpn]
[  654.680274][   T69] CPU: 1 UID: 0 PID: 69 Comm: kworker/u16:1 Not tainted 7.1.0-rc2-virtme #1 PREEMPT(full) 
[  654.680278][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  654.680280][   T69] Workqueue: kstrp strp_work
[  654.680289][   T69] Call Trace:
[  654.680291][   T69]  <TASK>
[  654.680292][   T69]  dump_stack_lvl+0x6f/0xa0
[  654.680299][   T69]  check_preemption_disabled+0xdb/0xf0
[  654.680303][   T69]  ovpn_recv+0x193/0x2b0 [ovpn]
[  654.680308][   T69]  ovpn_tcp_rcv+0x279/0x910 [ovpn]
[  654.680313][   T69]  ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn]
[  654.680317][   T69]  ? __copy_skb_header+0xb7/0x510
[  654.680322][   T69]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[  654.680325][   T69]  ? __skb_to_sgvec+0x990/0xa50
[  654.680329][   T69]  __strp_recv+0x20f/0x1c30
[  654.680334][   T69]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[  654.680340][   T69]  __tcp_read_sock+0x1c7/0x850
[  654.680344][   T69]  ? strp_process+0xb0/0xb0
[  654.680348][   T69]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[  654.680353][   T69]  strp_read_sock+0x20f/0x2b0
[  654.680356][   T69]  ? strp_stop+0x50/0x50
[  654.680358][   T69]  ? __lock_release.isra.0+0x6b/0x1a0
[  654.680363][   T69]  ? lockdep_hardirqs_on+0x8c/0x130
[  654.680364][   T69]  ? __local_bh_enable_ip+0xa5/0x140
[  654.680368][   T69]  strp_work+0x9f/0xe0
[  654.680374][   T69]  process_one_work+0xdf5/0x1410
[  654.680382][   T69]  ? pwq_dec_nr_in_flight+0x710/0x710
[  654.680384][   T69]  ? lock_acquire.part.0+0xbc/0x260
[  654.680390][   T69]  worker_thread+0x4f1/0xd60
[  654.680394][   T69]  ? rescuer_thread+0x1320/0x1320
[  654.680396][   T69]  ? __kthread_parkme+0xbd/0x210
[  654.680400][   T69]  ? rescuer_thread+0x1320/0x1320
[  654.680402][   T69]  kthread+0x364/0x460
[  654.680404][   T69]  ? trace_irq_enable.constprop.0+0x9b/0x180
[  654.680407][   T69]  ? kthread_affine_node+0x330/0x330
[  654.680410][   T69]  ret_from_fork+0x474/0x6b0
[  654.680415][   T69]  ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[  654.680418][   T69]  ? __switch_to+0x5a3/0xe00
[  654.680421][   T69]  ? kthread_affine_node+0x330/0x330
[  654.680424][   T69]  ret_from_fork_asm+0x11/0x20
[  654.680432][   T69]  </TASK>
[  654.895289][    C2] tun0: no available key for peer 6, key-id: 0
[  662.822705][ T9601] tun1: deleting peer with id 10, reason 4
[  662.824226][ T9608] tun2: deleting peer with id 11, reason 4
[  662.828918][ T9615] tun3: deleting peer with id 12, reason 4
[  662.832192][ T9637] tun6: deleting peer with id 15, reason 4
[  662.834562][ T9629] tun5: deleting peer with id 14, reason 4
[  662.835958][ T9622] tun4: deleting peer with id 13, reason 4
[  662.837122][ T9636] tun0: deleting peer with id 6, reason 4
[  662.842669][ T9636] tun0: deleting peer with id 5, reason 4
[  662.847584][ T9636] tun0: deleting peer with id 4, reason 4
[  662.855597][ T9636] tun0: deleting peer with id 3, reason 4
[  662.862581][ T9636] tun0: deleting peer with id 2, reason 4
[  662.870581][ T9636] tun0: deleting peer with id 1, reason 4