[ 1124.790260][    C2] tun0: no available key for peer 2, key-id: 0
[ 1124.832448][ T7373] tun0: no available key for peer 3, key-id: 0
[ 1124.832645][ T7373] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:2/7373
[ 1124.832869][ T7373] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[ 1124.833014][ T7373] CPU: 3 UID: 0 PID: 7373 Comm: kworker/u16:2 Not tainted 7.0.0-rc5-virtme #1 PREEMPT(full) 
[ 1124.833017][ T7373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1124.833019][ T7373] Workqueue: kstrp strp_work
[ 1124.833027][ T7373] Call Trace:
[ 1124.833028][ T7373]  <TASK>
[ 1124.833030][ T7373]  dump_stack_lvl+0x6f/0xa0
[ 1124.833037][ T7373]  check_preemption_disabled+0xdb/0xf0
[ 1124.833042][ T7373]  ovpn_recv+0x192/0x2a0 [ovpn]
[ 1124.833047][ T7373]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[ 1124.833052][ T7373]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[ 1124.833056][ T7373]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[ 1124.833060][ T7373]  ? __napi_alloc_frag_align+0x270/0x470
[ 1124.833066][ T7373]  __strp_recv+0x1ee/0x1b70
[ 1124.833071][ T7373]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[ 1124.833077][ T7373]  __tcp_read_sock+0x1a1/0x7c0
[ 1124.833081][ T7373]  ? strp_process+0xb0/0xb0
[ 1124.833084][ T7373]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[ 1124.833090][ T7373]  strp_read_sock+0x20f/0x2b0
[ 1124.833092][ T7373]  ? strp_stop+0x50/0x50
[ 1124.833094][ T7373]  ? __lock_release.isra.0+0x59/0x170
[ 1124.833099][ T7373]  ? lockdep_hardirqs_on+0x84/0x130
[ 1124.833101][ T7373]  ? __local_bh_enable_ip+0xa3/0x140
[ 1124.833105][ T7373]  strp_work+0x9f/0xe0
[ 1124.833108][ T7373]  process_one_work+0xdf6/0x1410
[ 1124.833115][ T7373]  ? pwq_dec_nr_in_flight+0x700/0x700
[ 1124.833117][ T7373]  ? lock_acquire.part.0+0xbc/0x260
[ 1124.833124][ T7373]  worker_thread+0x4eb/0xd60
[ 1124.833128][ T7373]  ? rescuer_thread+0x1340/0x1340
[ 1124.833130][ T7373]  ? __kthread_parkme+0xb3/0x200
[ 1124.833135][ T7373]  ? rescuer_thread+0x1340/0x1340
[ 1124.833137][ T7373]  kthread+0x30f/0x3f0
[ 1124.833139][ T7373]  ? trace_irq_enable.constprop.0+0x13c/0x190
[ 1124.833143][ T7373]  ? kthread_affine_node+0x150/0x150
[ 1124.833146][ T7373]  ret_from_fork+0x472/0x6b0
[ 1124.833150][ T7373]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[ 1124.833154][ T7373]  ? __switch_to+0x538/0xcf0
[ 1124.833157][ T7373]  ? kthread_affine_node+0x150/0x150
[ 1124.833160][ T7373]  ret_from_fork_asm+0x11/0x20
[ 1124.833168][ T7373]  </TASK>
[ 1124.896690][    C0] tun0: no available key for peer 4, key-id: 0
[ 1124.992409][    C3] tun0: no available key for peer 6, key-id: 0
[ 1145.165582][ T8812] tun0: deleting peer with id 1, reason 1
[ 1145.216172][ T8813] tun1: deleting peer with id 1, reason 1
[ 1147.731095][ T8827] tun0: deleting peer with id 2, reason 1
[ 1147.777668][ T8828] tun2: deleting peer with id 2, reason 1
[ 1151.458323][   T10] tun0: deleting peer with id 4, reason 2
[ 1151.458855][   T10] tun0: deleting peer with id 3, reason 2
[ 1151.459116][   T10] tun0: deleting peer with id 5, reason 2
[ 1151.459329][   T10] tun0: deleting peer with id 6, reason 2
[ 1156.578390][ T4428] tun3: deleting peer with id 3, reason 2
[ 1156.579035][   T63] tun4: deleting peer with id 4, reason 2
[ 1156.642011][   T10] tun5: deleting peer with id 5, reason 2
[ 1156.707015][   T63] tun6: deleting peer with id 6, reason 2