[ 10.823400][ T208] ------------[ cut here ]------------
[ 10.823649][ T208] workqueue: ovpn is using neither WQ_PERCPU or WQ_UNBOUND. Setting WQ_PERCPU.
[ 10.823990][ T208] WARNING: kernel/workqueue.c:5851 at __alloc_workqueue+0xa8b/0xe40, CPU#2: modprobe/208
[ 10.824269][ T208] Modules linked in: ovpn(+) ip6_udp_tunnel udp_tunnel
[ 10.824547][ T208] CPU: 2 UID: 0 PID: 208 Comm: modprobe Not tainted 7.2.0-rc6-virtme #1 PREEMPT(full)
[ 10.824840][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.825058][ T208] RIP: 0010:__alloc_workqueue+0xa8f/0xe40
[ 10.825247][ T208] 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
[ 10.825793][ T208] RSP: 0018:ffa00000005c77f0 EFLAGS: 00010246
[ 10.826023][ T208] RAX: 0000000000000004 RBX: ffffffffc056ab60 RCX: 1ff40000000b8eea
[ 10.826282][ T208] RDX: 0000000000000000 RSI: ff1100000cece970 RDI: ffffffffbcce81e0
[ 10.826544][ T208] RBP: 0000000000000000 R08: ffffffffc056ab64 R09: 0000000000000000
[ 10.826828][ T208] R10: 0000000000000000 R11: ff1100000cece990 R12: ffa00000005c7890
[ 10.827076][ T208] R13: 0000000000000000 R14: ff1100000cece800 R15: ffffffffc0563ac0
[ 10.827322][ T208] FS: 00007f085a94abc0(0000) GS:ff11000077bc8000(0000) knlGS:0000000000000000
[ 10.827600][ T208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.827825][ T208] CR2: 00007ffc3c8e6ff8 CR3: 000000000daab003 CR4: 0000000000771ef0
[ 10.828075][ T208] PKRU: 55555554
[ 10.828218][ T208] Call Trace:
[ 10.828374][ T208]
[ 10.828492][ T208] ? udp_tunnel_nic_cleanup_module+0xb70/0xb70 [udp_tunnel]
[ 10.828733][ T208] alloc_workqueue_noprof+0xb3/0x100
[ 10.828932][ T208] ? alloc_workqueue_lockdep_map+0x130/0x130
[ 10.829142][ T208] ? do_one_initcall+0x11a/0x4f0
[ 10.829325][ T208] ovpn_init+0x1f/0xa0 [ovpn]
[ 10.829510][ T208] do_one_initcall+0x12b/0x4f0
[ 10.829719][ T208] ? trace_event_raw_event_initcall_level+0x280/0x280
[ 10.829948][ T208] ? kasan_save_track+0x14/0x30
[ 10.830165][ T208] ? do_init_module+0xae/0x8a0
[ 10.830389][ T208] ? kasan_unpoison+0x44/0x70
[ 10.830596][ T208] do_init_module+0x2ad/0x8a0
[ 10.830816][ T208] ? lockdep_hardirqs_on+0x8c/0x130
[ 10.831035][ T208] ? free_module+0x4a0/0x4a0
[ 10.831255][ T208] ? kfree+0x123/0x5a0
[ 10.831441][ T208] load_module+0x13fa/0x1ae0
[ 10.831656][ T208] ? layout_and_allocate.isra.0+0x680/0x680
[ 10.831883][ T208] ? __ia32_sys_fsconfig+0x180/0x180
[ 10.832069][ T208] ? backing_file_read_iter+0x541/0x790
[ 10.832269][ T208] init_module_from_file+0x11f/0x1a0
[ 10.832481][ T208] ? __do_sys_init_module+0x220/0x220
[ 10.832686][ T208] ? __lock_acquire+0x518/0xc20
[ 10.832887][ T208] ? ovl_set_dir_cache+0x19/0x50
[ 10.833078][ T208] ? __rwlock_init+0x150/0x150
[ 10.833274][ T208] ? do_raw_spin_unlock+0x59/0x250
[ 10.833475][ T208] idempotent_init_module+0x37b/0x7c0
[ 10.833674][ T208] ? init_module_from_file+0x1a0/0x1a0
[ 10.833896][ T208] ? rcu_is_watching+0x15/0xd0
[ 10.834087][ T208] ? cap_capable+0x1d7/0x3d0
[ 10.834264][ T208] __x64_sys_finit_module+0xdf/0x190
[ 10.834468][ T208] ? trace_irq_enable.constprop.0+0x9b/0x160
[ 10.834735][ T208] do_syscall_64+0x117/0x590
[ 10.834955][ T208] ? trace_hardirqs_off+0xd/0x30
[ 10.835136][ T208] ? exc_page_fault+0xee/0x100
[ 10.835315][ T208] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 10.835559][ T208] RIP: 0033:0x7f085aa4037d
[ 10.835793][ T208] 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
[ 10.836352][ T208] RSP: 002b:00007ffc3c8ea0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 10.836639][ T208] RAX: ffffffffffffffda RBX: 0000559a593089c0 RCX: 00007f085aa4037d
[ 10.836962][ T208] RDX: 0000000000000000 RSI: 0000559a33db7ffd RDI: 0000000000000007
[ 10.837218][ T208] RBP: 00007ffc3c8ea160 R08: 0000000000000000 R09: 0000000000000000
[ 10.837490][ T208] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559a33db7ffd
[ 10.837731][ T208] R13: 0000559a59308ae0 R14: 0000000000040000 R15: 0000000000000000
[ 10.837996][ T208]
[ 10.838172][ T208] irq event stamp: 68989
[ 10.838341][ T208] hardirqs last enabled at (68999): [] __up_console_sem+0x5a/0x70
[ 10.838642][ T208] hardirqs last disabled at (69008): [] __up_console_sem+0x3f/0x70
[ 10.838935][ T208] softirqs last enabled at (68312): [] handle_softirqs+0x5e5/0x8f0
[ 10.839241][ T208] softirqs last disabled at (68299): [] __irq_exit_rcu+0x103/0x1c0
[ 10.839520][ T208] ---[ end trace 0000000000000000 ]---
[ 16.150908][ T321] ip (321) used greatest stack depth: 23744 bytes left
[ 30.642783][ T744] iperf3 (744) used greatest stack depth: 23312 bytes left
[ 32.597329][ T838] tun0: deleting peer with id 1, reason 1
[ 32.725281][ T842] tun1: deleting peer with id 1, reason 1
[ 35.697422][ T890] tun0: deleting peer with id 2, reason 1
[ 35.775585][ T894] tun2: deleting peer with id 2, reason 1
[ 41.990029][ T251] tun0: deleting peer with id 4, reason 2
[ 41.990535][ T251] tun0: deleting peer with id 3, reason 2
[ 41.990733][ T251] tun0: deleting peer with id 5, reason 2
[ 41.991061][ T251] tun0: deleting peer with id 6, reason 2
[ 47.174332][ T74] tun3: deleting peer with id 3, reason 2
[ 47.300795][ T10] tun4: deleting peer with id 4, reason 2
[ 47.364773][ T10] tun5: deleting peer with id 5, reason 2
[ 47.492842][ T10] tun6: deleting peer with id 6, reason 2