[ 1368.996982][    C1] tun0: no available key for peer 2, key-id: 0
[ 1369.127098][    C2] tun0: no available key for peer 4, key-id: 0
[ 1369.190313][    C2] tun0: no available key for peer 5, key-id: 0
[ 1369.258644][ T9283] tun0: no available key for peer 6, key-id: 0
[ 1369.258850][ T9283] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/9283
[ 1369.259084][ T9283] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[ 1369.259234][ T9283] CPU: 0 UID: 0 PID: 9283 Comm: kworker/u16:1 Not tainted 7.0.0-rc4-virtme #1 PREEMPT(full) 
[ 1369.259238][ T9283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1369.259240][ T9283] Workqueue: kstrp strp_work
[ 1369.259247][ T9283] Call Trace:
[ 1369.259249][ T9283]  <TASK>
[ 1369.259250][ T9283]  dump_stack_lvl+0x6f/0xa0
[ 1369.259257][ T9283]  check_preemption_disabled+0xdb/0xf0
[ 1369.259262][ T9283]  ovpn_recv+0x192/0x2a0 [ovpn]
[ 1369.259267][ T9283]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[ 1369.259272][ T9283]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[ 1369.259276][ T9283]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[ 1369.259279][ T9283]  ? skb_find_text+0xd0/0x2a0
[ 1369.259284][ T9283]  __strp_recv+0x1ee/0x1b70
[ 1369.259288][ T9283]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[ 1369.259294][ T9283]  __tcp_read_sock+0x1a1/0x7c0
[ 1369.259299][ T9283]  ? strp_process+0xb0/0xb0
[ 1369.259302][ T9283]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[ 1369.259307][ T9283]  strp_read_sock+0x20f/0x2b0
[ 1369.259310][ T9283]  ? strp_stop+0x50/0x50
[ 1369.259311][ T9283]  ? __lock_release.isra.0+0x59/0x170
[ 1369.259316][ T9283]  ? lockdep_hardirqs_on+0x84/0x130
[ 1369.259318][ T9283]  ? __local_bh_enable_ip+0xa3/0x140
[ 1369.259322][ T9283]  strp_work+0x9f/0xe0
[ 1369.259324][ T9283]  process_one_work+0xdf6/0x1410
[ 1369.259332][ T9283]  ? pwq_dec_nr_in_flight+0x700/0x700
[ 1369.259334][ T9283]  ? lock_acquire.part.0+0xbc/0x260
[ 1369.259341][ T9283]  worker_thread+0x4eb/0xd60
[ 1369.259344][ T9283]  ? rescuer_thread+0x1340/0x1340
[ 1369.259347][ T9283]  ? __kthread_parkme+0xb3/0x200
[ 1369.259351][ T9283]  ? rescuer_thread+0x1340/0x1340
[ 1369.259353][ T9283]  kthread+0x30f/0x3f0
[ 1369.259355][ T9283]  ? trace_irq_enable.constprop.0+0x13c/0x190
[ 1369.259359][ T9283]  ? kthread_affine_node+0x150/0x150
[ 1369.259362][ T9283]  ret_from_fork+0x472/0x6b0
[ 1369.259366][ T9283]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[ 1369.259369][ T9283]  ? __switch_to+0x538/0xcf0
[ 1369.259373][ T9283]  ? kthread_affine_node+0x150/0x150
[ 1369.259375][ T9283]  ret_from_fork_asm+0x11/0x20
[ 1369.259383][ T9283]  </TASK>
[ 1379.351228][ T9277] tun2: deleting peer with id 11, reason 4
[ 1379.351414][ T9274] tun1: deleting peer with id 10, reason 4
[ 1379.353418][ T9287] tun5: deleting peer with id 14, reason 4
[ 1379.354081][ T9284] tun4: deleting peer with id 13, reason 4
[ 1379.354317][ T9290] tun6: deleting peer with id 15, reason 4
[ 1379.355012][ T9293] tun0: deleting peer with id 6, reason 4
[ 1379.356327][ T9280] tun3: deleting peer with id 12, reason 4
[ 1379.361720][ T9293] tun0: deleting peer with id 5, reason 4
[ 1379.369703][ T9293] tun0: deleting peer with id 4, reason 4
[ 1379.377468][ T9293] tun0: deleting peer with id 3, reason 4
[ 1379.385452][ T9293] tun0: deleting peer with id 2, reason 4
[ 1379.393581][ T9293] tun0: deleting peer with id 1, reason 4