[ 781.548019][ C1] tun0: no available key for peer 1, key-id: 0
[ 781.661095][ C1] tun0: no available key for peer 2, key-id: 0
[ 781.839638][ C0] tun0: no available key for peer 4, key-id: 0
[ 781.928279][ T71] tun0: no available key for peer 5, key-id: 0
[ 781.928656][ T71] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/71
[ 781.928924][ T71] caller is ovpn_recv+0x193/0x2b0 [ovpn]
[ 781.929079][ T71] CPU: 1 UID: 0 PID: 71 Comm: kworker/u16:1 Not tainted 7.0.0-virtme #1 PREEMPT(full)
[ 781.929082][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 781.929084][ T71] Workqueue: kstrp strp_work
[ 781.929092][ T71] Call Trace:
[ 781.929093][ T71]
[ 781.929096][ T71] dump_stack_lvl+0x6f/0xa0
[ 781.929103][ T71] check_preemption_disabled+0xdb/0xf0
[ 781.929107][ T71] ovpn_recv+0x193/0x2b0 [ovpn]
[ 781.929112][ T71] ovpn_tcp_rcv+0x279/0x910 [ovpn]
[ 781.929117][ T71] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn]
[ 781.929121][ T71] ? __copy_skb_header+0xb7/0x440
[ 781.929125][ T71] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[ 781.929128][ T71] ? sock_queue_err_skb+0x630/0x660
[ 781.929131][ T71] __strp_recv+0x20f/0x1c30
[ 781.929136][ T71] ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[ 781.929142][ T71] __tcp_read_sock+0x1c7/0x850
[ 781.929146][ T71] ? strp_process+0xb0/0xb0
[ 781.929149][ T71] ? tcp_cleanup_rbuf+0x1c0/0x1c0
[ 781.929154][ T71] strp_read_sock+0x20f/0x2b0
[ 781.929157][ T71] ? strp_stop+0x50/0x50
[ 781.929159][ T71] ? __lock_release.isra.0+0x6b/0x1a0
[ 781.929166][ T71] ? lockdep_hardirqs_on+0x8c/0x130
[ 781.929169][ T71] ? __local_bh_enable_ip+0xa5/0x140
[ 781.929175][ T71] strp_work+0x9f/0xe0
[ 781.929182][ T71] process_one_work+0xdf5/0x1410
[ 781.929207][ T71] ? pwq_dec_nr_in_flight+0x710/0x710
[ 781.929210][ T71] ? lock_acquire.part.0+0xbc/0x260
[ 781.929223][ T71] worker_thread+0x4f1/0xd60
[ 781.929238][ T71] ? rescuer_thread+0x1320/0x1320
[ 781.929241][ T71] kthread+0x364/0x460
[ 781.929244][ T71] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 781.929248][ T71] ? kthread_affine_node+0x330/0x330
[ 781.929252][ T71] ret_from_fork+0x474/0x6b0
[ 781.929259][ T71] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 781.929265][ T71] ? __switch_to+0x5a3/0xe00
[ 781.929268][ T71] ? kthread_affine_node+0x330/0x330
[ 781.929272][ T71] ret_from_fork_asm+0x11/0x20
[ 781.929285][ T71]
[ 782.004730][ T12] tun0: no available key for peer 6, key-id: 0
[ 782.004904][ T12] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:0/12
[ 782.005127][ T12] caller is ovpn_recv+0x193/0x2b0 [ovpn]
[ 782.005258][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 7.0.0-virtme #1 PREEMPT(full)
[ 782.005261][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 782.005263][ T12] Workqueue: kstrp strp_work
[ 782.005272][ T12] Call Trace:
[ 782.005274][ T12]
[ 782.005275][ T12] dump_stack_lvl+0x6f/0xa0
[ 782.005283][ T12] check_preemption_disabled+0xdb/0xf0
[ 782.005287][ T12] ovpn_recv+0x193/0x2b0 [ovpn]
[ 782.005291][ T12] ovpn_tcp_rcv+0x279/0x910 [ovpn]
[ 782.005296][ T12] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn]
[ 782.005300][ T12] ? __copy_skb_header+0xb7/0x440
[ 782.005303][ T12] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[ 782.005307][ T12] ? sock_queue_err_skb+0x630/0x660
[ 782.005310][ T12] __strp_recv+0x20f/0x1c30
[ 782.005315][ T12] ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[ 782.005321][ T12] __tcp_read_sock+0x1c7/0x850
[ 782.005324][ T12] ? strp_process+0xb0/0xb0
[ 782.005328][ T12] ? tcp_cleanup_rbuf+0x1c0/0x1c0
[ 782.005333][ T12] strp_read_sock+0x20f/0x2b0
[ 782.005337][ T12] ? strp_stop+0x50/0x50
[ 782.005338][ T12] ? __lock_release.isra.0+0x6b/0x1a0
[ 782.005344][ T12] ? lockdep_hardirqs_on+0x8c/0x130
[ 782.005345][ T12] ? __local_bh_enable_ip+0xa5/0x140
[ 782.005348][ T12] strp_work+0x9f/0xe0
[ 782.005351][ T12] process_one_work+0xdf5/0x1410
[ 782.005358][ T12] ? pwq_dec_nr_in_flight+0x710/0x710
[ 782.005360][ T12] ? lock_acquire.part.0+0xbc/0x260
[ 782.005368][ T12] worker_thread+0x4f1/0xd60
[ 782.005374][ T12] ? rescuer_thread+0x1320/0x1320
[ 782.005376][ T12] kthread+0x364/0x460
[ 782.005379][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180
[ 782.005382][ T12] ? kthread_affine_node+0x330/0x330
[ 782.005384][ T12] ret_from_fork+0x474/0x6b0
[ 782.005389][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 782.005392][ T12] ? __switch_to+0x5a3/0xe00
[ 782.005395][ T12] ? kthread_affine_node+0x330/0x330
[ 782.005398][ T12] ret_from_fork_asm+0x11/0x20
[ 782.005406][ T12]
[ 792.195099][ T6566] iperf3 (6566) used greatest stack depth: 23048 bytes left
[ 792.355414][ T6520] tun2: deleting peer with id 11, reason 4
[ 792.357162][ T6529] tun5: deleting peer with id 14, reason 4
[ 792.357349][ T6526] tun4: deleting peer with id 13, reason 4
[ 792.359024][ T6532] tun6: deleting peer with id 15, reason 4
[ 792.359405][ T6517] tun1: deleting peer with id 10, reason 4
[ 792.359568][ T6533] tun0: deleting peer with id 6, reason 4
[ 792.360218][ T6523] tun3: deleting peer with id 12, reason 4
[ 792.362373][ T6533] tun0: deleting peer with id 5, reason 4
[ 792.366724][ T6533] tun0: deleting peer with id 4, reason 4
[ 792.374860][ T6533] tun0: deleting peer with id 3, reason 4
[ 792.383811][ T6533] tun0: deleting peer with id 2, reason 4
[ 792.392956][ T6533] tun0: deleting peer with id 1, reason 4