[ 34.149550][ T431] ------------[ cut here ]------------
[ 34.149740][ T431] workqueue: ovpn is using neither WQ_PERCPU or WQ_UNBOUND. Setting WQ_PERCPU.
[ 34.149978][ T431] WARNING: kernel/workqueue.c:5851 at __alloc_workqueue+0xa8b/0xe40, CPU#0: modprobe/431
[ 34.150238][ T431] Modules linked in: ovpn(+) ip6_udp_tunnel udp_tunnel
[ 34.150491][ T431] CPU: 0 UID: 0 PID: 431 Comm: modprobe Not tainted 7.2.0-rc6-virtme #1 PREEMPT(full)
[ 34.150745][ T431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.150927][ T431] RIP: 0010:__alloc_workqueue+0xa8f/0xe40
[ 34.151083][ T431] Code: 80 fb 01 0f 87 24 3e 9f ff 83 e3 01 0f 84 2f 3e 9f ff 89 e8 25 02 01 00 00 0f 85 b8 f7 ff ff 48 8d 3d c5 ca ea 03 48 8b 34 24 <67> 48 0f b9 3a 31 db 81 cd 00 01 00 00 e9 ab f7 ff ff 90 0f 0b 90
[ 34.151599][ T431] RSP: 0018:ffa00000018577f0 EFLAGS: 00010246
[ 34.151771][ T431] RAX: 0000000000000004 RBX: ffffffffc04b7b60 RCX: 1ff400000030aeea
[ 34.151979][ T431] RDX: 0000000000000000 RSI: ff1100000c665170 RDI: ffffffffbd4e81e0
[ 34.152193][ T431] RBP: 0000000000000000 R08: ffffffffc04b7b64 R09: 0000000000000000
[ 34.152412][ T431] R10: 0000000000000000 R11: ff1100000c665190 R12: ffa0000001857890
[ 34.152619][ T431] R13: 0000000000000000 R14: ff1100000c665000 R15: ffffffffc04b0ac0
[ 34.152825][ T431] FS: 00007f7132c91bc0(0000) GS:ff110000772c8000(0000) knlGS:0000000000000000
[ 34.153073][ T431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 34.153256][ T431] CR2: 00007ffffaedcff8 CR3: 000000000b29f003 CR4: 0000000000771ef0
[ 34.153469][ T431] PKRU: 55555554
[ 34.153575][ T431] Call Trace:
[ 34.153681][ T431]
[ 34.153756][ T431] ? udp_tunnel_nic_cleanup_module+0xb70/0xb70 [udp_tunnel]
[ 34.153962][ T431] alloc_workqueue_noprof+0xb3/0x100
[ 34.154105][ T431] ? alloc_workqueue_lockdep_map+0x130/0x130
[ 34.154282][ T431] ? do_one_initcall+0x11a/0x4f0
[ 34.154423][ T431] ovpn_init+0x1f/0xa0 [ovpn]
[ 34.154563][ T431] do_one_initcall+0x12b/0x4f0
[ 34.154698][ T431] ? trace_event_raw_event_initcall_level+0x280/0x280
[ 34.154869][ T431] ? kasan_save_track+0x14/0x30
[ 34.155011][ T431] ? do_init_module+0xae/0x8a0
[ 34.155148][ T431] ? kasan_unpoison+0x44/0x70
[ 34.155305][ T431] do_init_module+0x2ad/0x8a0
[ 34.155450][ T431] ? lockdep_hardirqs_on+0x8c/0x130
[ 34.155590][ T431] ? free_module+0x4a0/0x4a0
[ 34.155729][ T431] ? kfree+0x123/0x5a0
[ 34.155834][ T431] load_module+0x13fa/0x1ae0
[ 34.155974][ T431] ? layout_and_allocate.isra.0+0x680/0x680
[ 34.156144][ T431] ? __ia32_sys_fsconfig+0x180/0x180
[ 34.156287][ T431] ? backing_file_read_iter+0x541/0x790
[ 34.156431][ T431] init_module_from_file+0x11f/0x1a0
[ 34.156566][ T431] ? __do_sys_init_module+0x220/0x220
[ 34.156786][ T431] ? __lock_acquire+0x518/0xc20
[ 34.157007][ T431] ? ovl_dentry_clear_flag+0x1f/0x40
[ 34.157150][ T431] ? __rwlock_init+0x150/0x150
[ 34.157305][ T431] ? do_raw_spin_unlock+0x59/0x250
[ 34.157538][ T431] idempotent_init_module+0x37b/0x7c0
[ 34.157676][ T431] ? init_module_from_file+0x1a0/0x1a0
[ 34.157820][ T431] ? rcu_is_watching+0x15/0xd0
[ 34.157959][ T431] ? cap_capable+0x1d7/0x3d0
[ 34.158186][ T431] __x64_sys_finit_module+0xdf/0x190
[ 34.158331][ T431] ? trace_irq_enable.constprop.0+0x9b/0x160
[ 34.158510][ T431] do_syscall_64+0x117/0x590
[ 34.158643][ T431] ? trace_hardirqs_off+0xd/0x30
[ 34.158864][ T431] ? exc_page_fault+0xee/0x100
[ 34.159090][ T431] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 34.159264][ T431] RIP: 0033:0x7f7132d8737d
[ 34.159406][ T431] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
[ 34.159989][ T431] RSP: 002b:00007ffffaee0118 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 34.160201][ T431] RAX: ffffffffffffffda RBX: 00005637a1ed69c0 RCX: 00007f7132d8737d
[ 34.160419][ T431] RDX: 0000000000000000 RSI: 0000563768b72ffd RDI: 0000000000000007
[ 34.160713][ T431] RBP: 00007ffffaee01b0 R08: 0000000000000000 R09: 0000000000000000
[ 34.160918][ T431] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563768b72ffd
[ 34.161222][ T431] R13: 00005637a1ed6ae0 R14: 0000000000040000 R15: 0000000000000000
[ 34.161440][ T431]
[ 34.161544][ T431] irq event stamp: 83965
[ 34.161649][ T431] hardirqs last enabled at (83973): [] __up_console_sem+0x5a/0x70
[ 34.161886][ T431] hardirqs last disabled at (83980): [] __up_console_sem+0x3f/0x70
[ 34.162207][ T431] softirqs last enabled at (83678): [] handle_softirqs+0x5e5/0x8f0
[ 34.162455][ T431] softirqs last disabled at (83673): [] __irq_exit_rcu+0x103/0x1c0
[ 34.162696][ T431] ---[ end trace 0000000000000000 ]---
[ 45.021919][ T744] iperf3 (744) used greatest stack depth: 23856 bytes left
[ 45.121643][ T632] tun4: deleting peer with id 13, reason 4
[ 45.121698][ T646] tun5: deleting peer with id 14, reason 4
[ 45.122652][ T618] tun3: deleting peer with id 12, reason 4
[ 45.122827][ T604] tun2: deleting peer with id 11, reason 4
[ 45.123038][ T590] tun1: deleting peer with id 10, reason 4
[ 45.123554][ T563] tun0: deleting peer with id 4, reason 4
[ 45.124318][ T563] tun0: deleting peer with id 3, reason 4
[ 45.124640][ T563] tun0: deleting peer with id 5, reason 4
[ 45.125009][ T563] tun0: deleting peer with id 1, reason 4
[ 45.125361][ T563] tun0: deleting peer with id 6, reason 4
[ 45.125728][ T563] tun0: deleting peer with id 2, reason 4
[ 45.129178][ T660] tun6: deleting peer with id 15, reason 4