[ 1581.303899][    C3] tun0: no available key for peer 2, key-id: 0
[ 1581.373140][ T7345] tun0: no available key for peer 3, key-id: 0
[ 1581.373452][ T7345] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:2/7345
[ 1581.373743][ T7345] caller is ovpn_recv+0x193/0x2b0 [ovpn]
[ 1581.373880][ T7345] CPU: 1 UID: 0 PID: 7345 Comm: kworker/u16:2 Not tainted 7.0.0-virtme #1 PREEMPT(full) 
[ 1581.373883][ T7345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1581.373885][ T7345] Workqueue: kstrp strp_work
[ 1581.373892][ T7345] Call Trace:
[ 1581.373894][ T7345]  <TASK>
[ 1581.373896][ T7345]  dump_stack_lvl+0x6f/0xa0
[ 1581.373903][ T7345]  check_preemption_disabled+0xdb/0xf0
[ 1581.373907][ T7345]  ovpn_recv+0x193/0x2b0 [ovpn]
[ 1581.373911][ T7345]  ovpn_tcp_rcv+0x279/0x910 [ovpn]
[ 1581.373916][ T7345]  ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn]
[ 1581.373919][ T7345]  ? __copy_skb_header+0xb7/0x440
[ 1581.373923][ T7345]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[ 1581.373926][ T7345]  ? sock_queue_err_skb+0x5b0/0x660
[ 1581.373929][ T7345]  __strp_recv+0x20f/0x1c30
[ 1581.373933][ T7345]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[ 1581.373939][ T7345]  __tcp_read_sock+0x1c7/0x850
[ 1581.373942][ T7345]  ? strp_process+0xb0/0xb0
[ 1581.373946][ T7345]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[ 1581.373950][ T7345]  strp_read_sock+0x20f/0x2b0
[ 1581.373953][ T7345]  ? strp_stop+0x50/0x50
[ 1581.373955][ T7345]  ? __lock_release.isra.0+0x6b/0x1a0
[ 1581.373960][ T7345]  ? lockdep_hardirqs_on+0x8c/0x130
[ 1581.373961][ T7345]  ? __local_bh_enable_ip+0xa5/0x140
[ 1581.373965][ T7345]  strp_work+0x9f/0xe0
[ 1581.373967][ T7345]  process_one_work+0xdf5/0x1410
[ 1581.373973][ T7345]  ? pwq_dec_nr_in_flight+0x710/0x710
[ 1581.373975][ T7345]  ? lock_acquire.part.0+0xbc/0x260
[ 1581.373982][ T7345]  worker_thread+0x4f1/0xd60
[ 1581.373985][ T7345]  ? rescuer_thread+0x1320/0x1320
[ 1581.373987][ T7345]  ? __kthread_parkme+0xbd/0x210
[ 1581.373991][ T7345]  ? rescuer_thread+0x1320/0x1320
[ 1581.373992][ T7345]  kthread+0x364/0x460
[ 1581.373994][ T7345]  ? trace_irq_enable.constprop.0+0x9b/0x180
[ 1581.373997][ T7345]  ? kthread_affine_node+0x330/0x330
[ 1581.373999][ T7345]  ret_from_fork+0x474/0x6b0
[ 1581.374003][ T7345]  ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 1581.374007][ T7345]  ? __switch_to+0x5a3/0xe00
[ 1581.374009][ T7345]  ? kthread_affine_node+0x330/0x330
[ 1581.374012][ T7345]  ret_from_fork_asm+0x11/0x20
[ 1581.374019][ T7345]  </TASK>
[ 1589.702939][ T9574] tun1: deleting peer with id 10, reason 4
[ 1589.704063][ T9577] tun2: deleting peer with id 11, reason 4
[ 1589.704100][ T9586] tun5: deleting peer with id 14, reason 4
[ 1589.705571][ T9580] tun3: deleting peer with id 12, reason 4
[ 1589.705878][ T9590] tun0: deleting peer with id 6, reason 4
[ 1589.707667][ T9583] tun4: deleting peer with id 13, reason 4
[ 1589.708483][ T9589] tun6: deleting peer with id 15, reason 4
[ 1589.712957][ T9590] tun0: deleting peer with id 5, reason 4
[ 1589.716478][ T9590] tun0: deleting peer with id 4, reason 4
[ 1589.724033][ T9590] tun0: deleting peer with id 3, reason 4
[ 1589.732124][ T9590] tun0: deleting peer with id 2, reason 4
[ 1589.739938][ T9590] tun0: deleting peer with id 1, reason 4