[ 9.857929][ T207] ------------[ cut here ]------------
[ 9.858086][ T207] workqueue: ovpn is using neither WQ_PERCPU or WQ_UNBOUND. Setting WQ_PERCPU.
[ 9.858287][ T207] WARNING: kernel/workqueue.c:5851 at __alloc_workqueue+0xa8b/0xe40, CPU#3: modprobe/207
[ 9.858510][ T207] Modules linked in: ovpn(+) ip6_udp_tunnel udp_tunnel
[ 9.858709][ T207] CPU: 3 UID: 0 PID: 207 Comm: modprobe Not tainted 7.2.0-rc6-virtme #1 PREEMPT(full)
[ 9.858922][ T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.859074][ T207] RIP: 0010:__alloc_workqueue+0xa8f/0xe40
[ 9.859202][ T207] 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
[ 9.859640][ T207] RSP: 0018:ffa00000018d77f0 EFLAGS: 00010246
[ 9.859794][ T207] RAX: 0000000000000004 RBX: ffffffffc0485b60 RCX: 1ff400000031aeea
[ 9.859975][ T207] RDX: 0000000000000000 RSI: ff1100000c4b8970 RDI: ffffffff884e81e0
[ 9.860160][ T207] RBP: 0000000000000000 R08: ffffffffc0485b64 R09: 0000000000000000
[ 9.860337][ T207] R10: 0000000000000000 R11: ff1100000c4b8990 R12: ffa00000018d7890
[ 9.860520][ T207] R13: 0000000000000000 R14: ff1100000c4b8800 R15: ffffffffc047eac0
[ 9.860701][ T207] FS: 00007f2822b00bc0(0000) GS:ff110000ac448000(0000) knlGS:0000000000000000
[ 9.860911][ T207] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.861065][ T207] CR2: 0000561685030120 CR3: 000000000c40c004 CR4: 0000000000771ef0
[ 9.861252][ T207] PKRU: 55555554
[ 9.861342][ T207] Call Trace:
[ 9.861436][ T207]
[ 9.861501][ T207] ? udp_tunnel_nic_cleanup_module+0xb70/0xb70 [udp_tunnel]
[ 9.861679][ T207] alloc_workqueue_noprof+0xb3/0x100
[ 9.861798][ T207] ? alloc_workqueue_lockdep_map+0x130/0x130
[ 9.861948][ T207] ? do_one_initcall+0x11a/0x4f0
[ 9.862068][ T207] ovpn_init+0x1f/0xa0 [ovpn]
[ 9.862194][ T207] do_one_initcall+0x12b/0x4f0
[ 9.862314][ T207] ? trace_event_raw_event_initcall_level+0x280/0x280
[ 9.862468][ T207] ? kasan_save_track+0x14/0x30
[ 9.862591][ T207] ? do_init_module+0xae/0x8a0
[ 9.862709][ T207] ? kasan_unpoison+0x44/0x70
[ 9.862829][ T207] do_init_module+0x2ad/0x8a0
[ 9.862947][ T207] ? lockdep_hardirqs_on+0x8c/0x130
[ 9.863069][ T207] ? free_module+0x4a0/0x4a0
[ 9.863193][ T207] ? kfree+0x123/0x5a0
[ 9.863285][ T207] load_module+0x13fa/0x1ae0
[ 9.863410][ T207] ? layout_and_allocate.isra.0+0x680/0x680
[ 9.863561][ T207] ? __ia32_sys_fsconfig+0x180/0x180
[ 9.863682][ T207] ? backing_file_read_iter+0x541/0x790
[ 9.863803][ T207] init_module_from_file+0x11f/0x1a0
[ 9.863922][ T207] ? __do_sys_init_module+0x220/0x220
[ 9.864040][ T207] ? __lock_acquire+0x518/0xc20
[ 9.864164][ T207] ? ovl_set_dir_cache+0x1a/0x50
[ 9.864289][ T207] ? __rwlock_init+0x150/0x150
[ 9.864416][ T207] ? do_raw_spin_unlock+0x59/0x250
[ 9.864533][ T207] idempotent_init_module+0x37b/0x7c0
[ 9.864652][ T207] ? init_module_from_file+0x1a0/0x1a0
[ 9.864772][ T207] ? rcu_is_watching+0x15/0xd0
[ 9.864891][ T207] ? cap_capable+0x1d7/0x3d0
[ 9.865010][ T207] __x64_sys_finit_module+0xdf/0x190
[ 9.865131][ T207] ? trace_irq_enable.constprop.0+0x9b/0x160
[ 9.865281][ T207] do_syscall_64+0x117/0x590
[ 9.865404][ T207] ? irq_exit_rcu+0x1a/0x30
[ 9.865523][ T207] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 9.865670][ T207] RIP: 0033:0x7f2822bf637d
[ 9.865798][ T207] 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
[ 9.866233][ T207] RSP: 002b:00007ffe7ab6ae18 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 9.866417][ T207] RAX: ffffffffffffffda RBX: 000056168be929c0 RCX: 00007f2822bf637d
[ 9.866595][ T207] RDX: 0000000000000000 RSI: 0000561685033ffd RDI: 0000000000000007
[ 9.866772][ T207] RBP: 00007ffe7ab6aeb0 R08: 0000000000000000 R09: 0000000000000000
[ 9.866950][ T207] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561685033ffd
[ 9.867131][ T207] R13: 000056168be92ae0 R14: 0000000000040000 R15: 0000000000000000
[ 9.867313][ T207]
[ 9.867407][ T207] irq event stamp: 66641
[ 9.867497][ T207] hardirqs last enabled at (66649): [] __up_console_sem+0x5a/0x70
[ 9.867705][ T207] hardirqs last disabled at (66656): [] __up_console_sem+0x3f/0x70
[ 9.867910][ T207] softirqs last enabled at (59256): [] handle_softirqs+0x5e5/0x8f0
[ 9.868120][ T207] softirqs last disabled at (59141): [] __irq_exit_rcu+0x103/0x1c0
[ 9.868325][ T207] ---[ end trace 0000000000000000 ]---
[ 14.364008][ T299] ip (299) used greatest stack depth: 24464 bytes left
[ 14.564563][ T306] ip (306) used greatest stack depth: 23952 bytes left
[ 20.122729][ T562] tcpdump (562) used greatest stack depth: 23840 bytes left
[ 28.246941][ T744] iperf3 (744) used greatest stack depth: 23536 bytes left
[ 29.882972][ T839] tun0: deleting peer with id 1, reason 1
[ 29.955088][ T843] tun1: deleting peer with id 1, reason 1
[ 32.797252][ T891] tun0: deleting peer with id 2, reason 1
[ 32.883701][ T895] tun2: deleting peer with id 2, reason 1
[ 38.825489][ T51] tun0: deleting peer with id 4, reason 2
[ 38.825899][ T51] tun0: deleting peer with id 3, reason 2
[ 38.826090][ T51] tun0: deleting peer with id 5, reason 2
[ 38.826268][ T51] tun0: deleting peer with id 6, reason 2
[ 44.009704][ T65] tun3: deleting peer with id 3, reason 2
[ 44.073397][ T51] tun4: deleting peer with id 4, reason 2
[ 44.136410][ T9] tun5: deleting peer with id 5, reason 2
[ 44.200390][ T9] tun6: deleting peer with id 6, reason 2