======================================
| [ 3105.714269][   T66] br2: port 1(vethhv-21) entered disabled state
| [ 3106.096085][   T66] ------------[ cut here ]------------
| [ 3106.096344][ T66] WARNING: CPU: 2 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3106.096654][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
[ 3106.097591][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3106.097809][   T66] Workqueue: netns cleanup_net
[ 3106.097994][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.098172][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3106.098771][   T66] RSP: 0000:ffffc900004776b8 EFLAGS: 00010287
[ 3106.098990][   T66] RAX: ffff888009d345c0 RBX: ffff8880092cc5c0 RCX: ffffffff84bcecc8
[ 3106.099260][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888008631178
[ 3106.099507][   T66] RBP: dffffc0000000000 R08: ffff888008631130 R09: ffffed1001bb1a8c
[ 3106.099760][   T66] R10: ffff88800dd8d463 R11: dffffc0000000000 R12: ffffc90000477838
[ 3106.100007][   T66] R13: ffffc900004778f0 R14: dffffc0000000000 R15: ffffc900004778f0
[ 3106.100279][   T66] FS:  0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
[ 3106.100564][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3106.100774][   T66] CR2: 00007f5434433178 CR3: 0000000059f3a006 CR4: 0000000000772ef0
[ 3106.101032][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3106.101293][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3106.101550][   T66] PKRU: 55555554
[ 3106.101688][   T66] Call Trace:
[ 3106.101826][   T66]  <TASK>
[ 3106.101929][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.102114][ T66] ? __warn (kernel/panic.c:748)
[ 3106.102264][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.102436][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3106.102611][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3106.102746][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3106.102919][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3106.103098][ T66] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 3106.103292][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.103475][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 3106.103693][ T66] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 3106.103869][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3106.104046][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3106.104273][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3106.104452][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3106.104648][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3106.104828][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3106.105042][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3106.105240][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3106.105417][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3106.105595][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3106.105773][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3106.105956][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3106.106177][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3106.106399][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3106.106577][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3106.106748][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3106.106952][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3106.107163][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3106.107402][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3106.107587][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3106.107798][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3106.107978][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3106.108145][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3106.108330][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3106.108500][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3106.108683][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3106.108855][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3106.109034][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3106.109229][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3106.109403][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3106.109587][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3106.109765][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3106.109942][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3106.110157][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3106.110343][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3106.110511][ T66] kthread (kernel/kthread.c:389)
[ 3106.110647][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3106.110819][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3106.110991][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3106.111166][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3106.145988][   T66] ------------[ cut here ]------------
| [ 3106.146232][ T66] WARNING: CPU: 2 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3106.146527][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3106.147471][   T66] Tainted: [W]=WARN
[ 3106.147614][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3106.147827][   T66] Workqueue: netns cleanup_net
[ 3106.148016][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.148189][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3106.148752][   T66] RSP: 0000:ffffc900004776b8 EFLAGS: 00010287
[ 3106.148971][   T66] RAX: ffff888009d345c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3106.149210][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888008631178
[ 3106.149468][   T66] RBP: ffff8880086311b8 R08: 0000000000000001 R09: fffff5200008eeb1
[ 3106.149714][   T66] R10: ffffc9000047758f R11: ffff8880092cc5c0 R12: ffffc90000477838
[ 3106.149964][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477768
[ 3106.150233][   T66] FS:  0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
[ 3106.150526][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3106.150735][   T66] CR2: 00007f5434433178 CR3: 0000000059f3a006 CR4: 0000000000772ef0
[ 3106.150991][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3106.151251][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3106.151495][   T66] PKRU: 55555554
[ 3106.151625][   T66] Call Trace:
[ 3106.151757][   T66]  <TASK>
[ 3106.151851][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.152023][ T66] ? __warn (kernel/panic.c:748)
[ 3106.152161][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.152354][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3106.152529][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3106.152667][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3106.152842][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3106.153018][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3106.153193][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.153380][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3106.153612][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3106.153822][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3106.153997][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3106.154172][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3106.154357][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3106.154579][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3106.154771][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3106.154947][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3106.155124][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3106.155313][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3106.155494][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3106.155710][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3106.155917][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3106.156097][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3106.156279][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3106.156480][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3106.156687][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3106.156900][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3106.157070][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3106.157295][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3106.157478][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3106.157650][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3106.157817][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3106.157983][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3106.158154][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3106.158332][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3106.158508][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3106.158694][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3106.158877][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3106.159069][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3106.159273][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3106.159444][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3106.159659][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3106.159834][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3106.160011][ T66] kthread (kernel/kthread.c:389)
[ 3106.160148][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3106.160333][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3106.160508][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3106.160680][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3106.283190][   T66] ------------[ cut here ]------------
| [ 3106.283412][ T66] WARNING: CPU: 2 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3106.283710][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3106.284703][   T66] Tainted: [W]=WARN
[ 3106.284839][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3106.285047][   T66] Workqueue: netns cleanup_net
[ 3106.285243][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.285424][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3106.286003][   T66] RSP: 0000:ffffc90000477720 EFLAGS: 00010287
[ 3106.286233][   T66] RAX: ffff888009d345c0 RBX: ffff8880092cc5c0 RCX: ffffffff84bcecc8
[ 3106.286479][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88801ac30178
[ 3106.286726][   T66] RBP: dffffc0000000000 R08: ffff88801ac30130 R09: ffffed100121a72c
[ 3106.286984][   T66] R10: ffff8880090d3963 R11: dffffc0000000000 R12: ffffc900004778a0
[ 3106.287246][   T66] R13: ffffc90000477910 R14: dffffc0000000000 R15: ffffc90000477910
[ 3106.287500][   T66] FS:  0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
[ 3106.287786][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3106.287995][   T66] CR2: 00007f5434433178 CR3: 0000000059f3a006 CR4: 0000000000772ef0
[ 3106.288264][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3106.288513][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3106.288761][   T66] PKRU: 55555554
[ 3106.288894][   T66] Call Trace:
[ 3106.289029][   T66]  <TASK>
[ 3106.289129][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.289317][ T66] ? __warn (kernel/panic.c:748)
[ 3106.289462][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.289639][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3106.289818][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3106.289956][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3106.290140][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3106.290337][ T66] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 3106.290524][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.290705][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 3106.290934][ T66] ? netdev_upper_dev_unlink (net/core/dev.c:8219)
[ 3106.291126][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3106.291361][ T66] ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4494) vxlan
[ 3106.291566][ T66] ? net_generic (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48) vxlan
[ 3106.291764][ T66] ? net_generic (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48) vxlan
[ 3106.291956][ T66] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4733 drivers/net/vxlan/vxlan_core.c:4742) vxlan
[ 3106.292190][ T66] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4737) vxlan
[ 3106.292444][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3106.292639][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3106.292822][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3106.293050][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3106.293280][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3106.293472][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3106.293656][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3106.293872][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3106.294088][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3106.294325][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3106.294502][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3106.294744][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3106.294944][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3106.295128][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3106.295336][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3106.295526][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3106.295711][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3106.295887][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3106.296073][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3106.296288][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3106.296472][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3106.296654][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3106.296833][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3106.297005][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3106.297233][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3106.297407][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3106.297583][ T66] kthread (kernel/kthread.c:389)
[ 3106.297718][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3106.297894][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3106.298066][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3106.298259][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3106.338094][   T66] ------------[ cut here ]------------
| [ 3106.338329][ T66] WARNING: CPU: 2 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3106.338643][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3106.339590][   T66] Tainted: [W]=WARN
[ 3106.339732][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3106.339943][   T66] Workqueue: netns cleanup_net
[ 3106.340126][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.340319][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3106.340890][   T66] RSP: 0000:ffffc90000477720 EFLAGS: 00010287
[ 3106.341109][   T66] RAX: ffff888009d345c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3106.341378][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88801ac30178
[ 3106.341631][   T66] RBP: ffff88801ac301b8 R08: 0000000000000001 R09: fffff5200008eebe
[ 3106.341885][   T66] R10: ffffc900004775f7 R11: ffff8880092cc5c0 R12: ffffc900004778a0
[ 3106.342141][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900004777d0
[ 3106.342405][   T66] FS:  0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
[ 3106.342701][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3106.342918][   T66] CR2: 00007f5434433178 CR3: 0000000059f3a006 CR4: 0000000000772ef0
[ 3106.343179][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3106.343440][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3106.343686][   T66] PKRU: 55555554
[ 3106.343818][   T66] Call Trace:
[ 3106.343952][   T66]  <TASK>
[ 3106.344047][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.344231][ T66] ? __warn (kernel/panic.c:748)
[ 3106.344374][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.344549][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3106.344741][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3106.344876][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3106.345059][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3106.345251][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3106.345427][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.345600][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3106.345827][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3106.346039][ T66] ? net_generic (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48) vxlan
[ 3106.346251][ T66] ? net_generic (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48) vxlan
[ 3106.346442][ T66] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4733 drivers/net/vxlan/vxlan_core.c:4742) vxlan
[ 3106.346668][ T66] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4737) vxlan
[ 3106.346887][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3106.347075][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3106.347269][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3106.347492][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3106.347697][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3106.347881][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3106.348053][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3106.348279][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3106.348487][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3106.348707][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3106.348884][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3106.349098][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3106.349290][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3106.349464][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3106.349645][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3106.349818][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3106.349992][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3106.350165][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3106.350358][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3106.350542][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3106.350714][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3106.350899][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3106.351082][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3106.351264][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3106.351484][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3106.351658][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3106.351830][ T66] kthread (kernel/kthread.c:389)
[ 3106.351965][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3106.352150][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3106.352333][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3106.352508][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3106.368833][   T66] ------------[ cut here ]------------
| [ 3106.369031][ T66] WARNING: CPU: 2 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3106.369333][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3106.370241][   T66] Tainted: [W]=WARN
[ 3106.370375][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3106.370576][   T66] Workqueue: netns cleanup_net
[ 3106.370755][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.370919][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3106.372017][   T66] RSP: 0000:ffffc900004779c0 EFLAGS: 00010287
[ 3106.372292][   T66] RAX: ffff888009d345c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3106.372607][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888008c91178
[ 3106.372900][   T66] RBP: ffff888008c911b8 R08: 0000000000000001 R09: fffff5200008ef12
[ 3106.373192][   T66] R10: ffffc90000477897 R11: ffff8880092cc5c0 R12: ffffc90000477b40
[ 3106.373498][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477a70
[ 3106.373800][   T66] FS:  0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
[ 3106.374133][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3106.374421][   T66] CR2: 00007f5434433178 CR3: 0000000059f3a006 CR4: 0000000000772ef0
[ 3106.374722][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3106.375015][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3106.375313][   T66] PKRU: 55555554
[ 3106.375447][   T66] Call Trace:
[ 3106.375574][   T66]  <TASK>
[ 3106.375664][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.375832][ T66] ? __warn (kernel/panic.c:748)
[ 3106.375967][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.376130][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3106.376322][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3106.376453][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3106.376620][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3106.376791][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3106.376963][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.377130][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3106.377358][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3106.377560][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3106.377735][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3106.377900][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3106.378101][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3106.378316][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3106.378529][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3106.378700][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3106.378906][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3106.379078][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3106.379262][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3106.379429][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3106.379598][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3106.379765][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3106.379931][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3106.380110][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3106.380296][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3106.380482][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3106.380657][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3106.380829][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3106.380993][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3106.381201][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3106.381387][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3106.381554][ T66] kthread (kernel/kthread.c:389)
[ 3106.381685][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3106.381855][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3106.382022][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3106.382188][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3106.827100][   T66] ------------[ cut here ]------------
| [ 3106.827357][ T66] WARNING: CPU: 2 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3106.827661][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3106.828642][   T66] Tainted: [W]=WARN
[ 3106.828784][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3106.829008][   T66] Workqueue: netns cleanup_net
[ 3106.829191][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.829384][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3106.829947][   T66] RSP: 0000:ffffc900004776b8 EFLAGS: 00010287
[ 3106.830178][   T66] RAX: ffff88800d4515c0 RBX: ffff8880092cc5c0 RCX: ffffffff84bcecc8
[ 3106.830443][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88801b174178
[ 3106.830692][   T66] RBP: dffffc0000000000 R08: ffff88801b174130 R09: ffffed1001bb13cc
[ 3106.830942][   T66] R10: ffff88800dd89e63 R11: dffffc0000000000 R12: ffffc90000477838
[ 3106.831206][   T66] R13: ffffc900004778f0 R14: dffffc0000000000 R15: ffffc900004778f0
[ 3106.831475][   T66] FS:  0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
[ 3106.831766][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3106.831984][   T66] CR2: 00007fc3339b0030 CR3: 0000000059f3a006 CR4: 0000000000772ef0
[ 3106.832238][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3106.832494][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3106.832737][   T66] PKRU: 55555554
[ 3106.832869][   T66] Call Trace:
[ 3106.833012][   T66]  <TASK>
[ 3106.833110][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.833297][ T66] ? __warn (kernel/panic.c:748)
[ 3106.833443][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.833620][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3106.833797][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3106.833933][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3106.834101][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3106.834305][ T66] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 3106.834486][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.834676][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 3106.834899][ T66] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 3106.835073][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3106.835259][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3106.835474][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3106.835652][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3106.835827][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3106.836009][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3106.836249][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3106.836440][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3106.836612][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3106.836798][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3106.836980][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3106.837159][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3106.837400][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3106.837612][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3106.837792][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3106.837962][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3106.838177][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3106.838400][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3106.838636][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3106.838810][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3106.839029][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3106.839212][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3106.839414][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3106.839591][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3106.839763][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3106.839951][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3106.840126][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3106.840322][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3106.840523][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3106.840695][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3106.840895][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3106.841079][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3106.841273][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3106.841491][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3106.841670][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3106.841842][ T66] kthread (kernel/kthread.c:389)
[ 3106.841981][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3106.842158][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3106.842344][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3106.842521][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3106.875303][   T66] ------------[ cut here ]------------
| [ 3106.875492][ T66] WARNING: CPU: 0 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3106.875773][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3106.876679][   T66] Tainted: [W]=WARN
[ 3106.876799][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3106.876995][   T66] Workqueue: netns cleanup_net
[ 3106.877160][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.877330][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3106.877863][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3106.878068][   T66] RAX: ffff88800d4515c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3106.878306][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88801b174178
[ 3106.878533][   T66] RBP: ffff88801b1741b8 R08: 0000000000000001 R09: fffff5200008eeb1
[ 3106.878759][   T66] R10: ffffc9000047758f R11: ffff8880092cc5c0 R12: ffffc90000477838
[ 3106.878989][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477768
[ 3106.879225][   T66] FS:  0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000
[ 3106.879486][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3106.879679][   T66] CR2: 000055cdf03c0548 CR3: 0000000005b02004 CR4: 0000000000772ef0
[ 3106.879912][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3106.880147][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3106.880383][   T66] PKRU: 55555554
[ 3106.880502][   T66] Call Trace:
[ 3106.880618][   T66]  <TASK>
[ 3106.880698][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.880855][ T66] ? __warn (kernel/panic.c:748)
[ 3106.880977][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.881132][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3106.881307][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3106.881437][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3106.881595][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3106.881759][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3106.881920][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.882080][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3106.882290][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3106.882491][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3106.882657][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3106.882817][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3106.882971][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3106.883172][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3106.883349][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3106.883507][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3106.883671][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3106.883831][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3106.883993][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3106.884197][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3106.884396][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3106.884558][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3106.884725][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3106.884919][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3106.885111][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3106.885325][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3106.885483][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3106.885677][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3106.885838][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3106.885998][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3106.886152][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3106.886312][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3106.886478][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3106.886633][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3106.886793][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3106.886957][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3106.887118][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3106.887296][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3106.887460][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3106.887618][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3106.887818][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3106.887978][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3106.888132][ T66] kthread (kernel/kthread.c:389)
[ 3106.888260][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3106.888422][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3106.888581][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3106.888742][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3106.904548][   T66] ------------[ cut here ]------------
| [ 3106.904729][ T66] WARNING: CPU: 0 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3106.904999][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3106.905887][   T66] Tainted: [W]=WARN
[ 3106.906006][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3106.906196][   T66] Workqueue: netns cleanup_net
[ 3106.906900][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.907061][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3106.907655][   T66] RSP: 0018:ffffc900004779c0 EFLAGS: 00010287
[ 3106.907851][   T66] RAX: ffff88800d4515c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3106.908071][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888009f74178
[ 3106.908346][   T66] RBP: ffff888009f741b8 R08: 0000000000000001 R09: fffff5200008ef12
[ 3106.908576][   T66] R10: ffffc90000477897 R11: ffff8880092cc5c0 R12: ffffc90000477b40
[ 3106.908797][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477a70
[ 3106.909020][   T66] FS:  0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000
[ 3106.909287][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3106.909483][   T66] CR2: 000055cdf03c0548 CR3: 0000000005b02004 CR4: 0000000000772ef0
[ 3106.909706][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3106.909928][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3106.910148][   T66] PKRU: 55555554
[ 3106.910273][   T66] Call Trace:
[ 3106.910395][   T66]  <TASK>
[ 3106.910475][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.910626][ T66] ? __warn (kernel/panic.c:748)
[ 3106.910748][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.910902][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3106.911059][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3106.911177][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3106.911342][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3106.911503][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3106.911665][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3106.911820][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3106.912018][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3106.912204][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3106.912375][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3106.912526][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3106.912716][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3106.912906][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3106.913102][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3106.913265][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3106.913459][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3106.913616][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3106.913766][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3106.913926][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3106.914078][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3106.914245][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3106.914397][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3106.914557][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3106.914727][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3106.914880][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3106.915047][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3106.915207][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3106.915379][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3106.915577][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3106.915732][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3106.915883][ T66] kthread (kernel/kthread.c:389)
[ 3106.916000][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3106.916171][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3106.916337][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3106.916489][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3128.101092][   T66] ------------[ cut here ]------------
| [ 3128.101358][ T66] WARNING: CPU: 2 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3128.101654][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3128.102600][   T66] Tainted: [W]=WARN
[ 3128.102736][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3128.102953][   T66] Workqueue: netns cleanup_net
[ 3128.103139][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.103337][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3128.103910][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3128.104129][   T66] RAX: ffff88801834c5c0 RBX: ffff8880092cc5c0 RCX: ffffffff84bcecc8
[ 3128.104394][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88800d821178
[ 3128.104688][   T66] RBP: dffffc0000000000 R08: ffff88800d821130 R09: ffffed100362472c
[ 3128.104944][   T66] R10: ffff88801b123963 R11: dffffc0000000000 R12: ffffc90000477838
[ 3128.105194][   T66] R13: ffffc900004778f0 R14: dffffc0000000000 R15: ffffc900004778f0
[ 3128.105452][   T66] FS:  0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
[ 3128.105733][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3128.105951][   T66] CR2: 000055cb7e280000 CR3: 000000000983c006 CR4: 0000000000772ef0
[ 3128.106198][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3128.106465][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3128.106708][   T66] PKRU: 55555554
[ 3128.106838][   T66] Call Trace:
[ 3128.106973][   T66]  <TASK>
[ 3128.107071][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.107253][ T66] ? __warn (kernel/panic.c:748)
[ 3128.107404][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.107575][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3128.107756][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3128.107892][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3128.108060][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3128.108251][ T66] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 3128.108431][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.108610][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 3128.108819][ T66] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 3128.108995][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3128.109171][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3128.109399][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3128.109571][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3128.109752][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3128.109919][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3128.110133][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3128.110327][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3128.110499][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3128.110670][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3128.110851][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3128.111030][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3128.111271][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3128.111477][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3128.111655][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3128.111828][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3128.112031][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3128.112269][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3128.112492][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3128.112661][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3128.112878][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3128.113052][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3128.113257][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3128.113436][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3128.113605][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3128.113791][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3128.113961][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3128.114143][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3128.114335][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3128.114520][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3128.114706][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3128.114888][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3128.115057][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3128.115286][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3128.115456][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3128.115628][ T66] kthread (kernel/kthread.c:389)
[ 3128.115760][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3128.115936][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3128.116113][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3128.116298][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3128.153648][   T66] ------------[ cut here ]------------
| [ 3128.153865][ T66] WARNING: CPU: 2 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3128.154144][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3128.155179][   T66] Tainted: [W]=WARN
[ 3128.155330][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3128.155542][   T66] Workqueue: netns cleanup_net
[ 3128.155717][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.155898][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3128.156463][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3128.156679][   T66] RAX: ffff88801834c5c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3128.156923][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88800d821178
[ 3128.157168][   T66] RBP: ffff88800d8211b8 R08: 0000000000000001 R09: fffff5200008eeb1
[ 3128.157443][   T66] R10: ffffc9000047758f R11: ffff8880092cc5c0 R12: ffffc90000477838
[ 3128.157689][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477768
[ 3128.157931][   T66] FS:  0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
[ 3128.158228][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3128.158437][   T66] CR2: 000055cb7e280000 CR3: 000000000983c006 CR4: 0000000000772ef0
[ 3128.158683][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3128.158928][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3128.159177][   T66] PKRU: 55555554
[ 3128.159335][   T66] Call Trace:
[ 3128.159468][   T66]  <TASK>
[ 3128.159561][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.159730][ T66] ? __warn (kernel/panic.c:748)
[ 3128.159867][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.160040][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3128.160231][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3128.160383][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3128.160556][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3128.160734][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3128.160907][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.161081][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3128.161319][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3128.161534][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3128.161711][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3128.161884][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3128.162056][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3128.162294][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3128.162476][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3128.162646][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3128.162821][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3128.163004][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3128.163185][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3128.163413][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3128.163622][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3128.163800][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3128.163970][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3128.164175][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3128.164402][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3128.164624][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3128.164801][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3128.165011][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3128.165199][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3128.165384][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3128.165560][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3128.165729][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3128.165905][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3128.166074][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3128.166267][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3128.166446][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3128.166617][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3128.166803][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3128.166980][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3128.167150][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3128.167375][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3128.167549][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3128.167725][ T66] kthread (kernel/kthread.c:389)
[ 3128.167862][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3128.168038][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3128.168211][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3128.168399][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3128.283124][   T66] ------------[ cut here ]------------
| [ 3128.283340][ T66] WARNING: CPU: 3 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3128.283675][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3128.284783][   T66] Tainted: [W]=WARN
[ 3128.284921][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3128.285148][   T66] Workqueue: netns cleanup_net
[ 3128.285361][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.285561][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3128.286191][   T66] RSP: 0018:ffffc90000477720 EFLAGS: 00010287
[ 3128.286442][   T66] RAX: ffff88801834c5c0 RBX: ffff8880092cc5c0 RCX: ffffffff84bcecc8
[ 3128.286696][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88800de78178
[ 3128.286961][   T66] RBP: dffffc0000000000 R08: ffff88800de78130 R09: ffffed10036243cc
[ 3128.287322][   T66] R10: ffff88801b121e63 R11: dffffc0000000000 R12: ffffc900004778a0
[ 3128.287596][   T66] R13: ffffc90000477910 R14: dffffc0000000000 R15: ffffc90000477910
[ 3128.287854][   T66] FS:  0000000000000000(0000) GS:ffff88806d180000(0000) knlGS:0000000000000000
[ 3128.288167][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3128.288443][   T66] CR2: 00007f6b588bf000 CR3: 0000000059f3a003 CR4: 0000000000772ef0
[ 3128.288721][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3128.288974][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3128.289246][   T66] PKRU: 55555554
[ 3128.289384][   T66] Call Trace:
[ 3128.289518][   T66]  <TASK>
[ 3128.289609][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.289796][ T66] ? __warn (kernel/panic.c:748)
[ 3128.289939][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.290121][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3128.290318][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3128.290455][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3128.290638][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3128.290824][ T66] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 3128.291002][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.291187][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 3128.291424][ T66] ? netdev_upper_dev_unlink (net/core/dev.c:8219)
[ 3128.291612][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3128.291834][ T66] ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4494) vxlan
[ 3128.292034][ T66] ? net_generic (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48) vxlan
[ 3128.292247][ T66] ? net_generic (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48) vxlan
[ 3128.292449][ T66] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4733 drivers/net/vxlan/vxlan_core.c:4742) vxlan
[ 3128.292684][ T66] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4737) vxlan
[ 3128.292917][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3128.293106][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3128.293313][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3128.293566][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3128.293799][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3128.293983][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3128.294177][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3128.294410][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3128.294651][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3128.294879][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3128.295059][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3128.295302][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3128.295490][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3128.295666][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3128.295847][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3128.296032][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3128.296212][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3128.296398][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3128.296603][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3128.296805][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3128.296987][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3128.297183][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3128.297382][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3128.297562][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3128.297794][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3128.297987][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3128.298168][ T66] kthread (kernel/kthread.c:389)
[ 3128.298317][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3128.298498][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3128.298679][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3128.298876][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3128.342315][   T66] ------------[ cut here ]------------
| [ 3128.342513][ T66] WARNING: CPU: 3 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3128.342818][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3128.343838][   T66] Tainted: [W]=WARN
[ 3128.343975][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3128.344202][   T66] Workqueue: netns cleanup_net
[ 3128.344422][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.344620][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3128.345257][   T66] RSP: 0018:ffffc90000477720 EFLAGS: 00010287
[ 3128.345497][   T66] RAX: ffff88801834c5c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3128.345750][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88800de78178
[ 3128.346030][   T66] RBP: ffff88800de781b8 R08: 0000000000000001 R09: fffff5200008eebe
[ 3128.346306][   T66] R10: ffffc900004775f7 R11: ffff8880092cc5c0 R12: ffffc900004778a0
[ 3128.346578][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900004777d0
[ 3128.346844][   T66] FS:  0000000000000000(0000) GS:ffff88806d180000(0000) knlGS:0000000000000000
[ 3128.347159][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3128.347659][   T66] CR2: 00007f6b588bf000 CR3: 0000000059f3a003 CR4: 0000000000772ef0
[ 3128.347933][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3128.348196][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3128.348492][   T66] PKRU: 55555554
[ 3128.348628][   T66] Call Trace:
[ 3128.348765][   T66]  <TASK>
[ 3128.348858][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.349040][ T66] ? __warn (kernel/panic.c:748)
[ 3128.349183][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.349377][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3128.349580][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3128.349719][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3128.349911][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3128.350106][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3128.350313][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.350505][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3128.350736][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3128.350957][ T66] ? net_generic (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48) vxlan
[ 3128.351164][ T66] ? net_generic (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48) vxlan
[ 3128.351379][ T66] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4733 drivers/net/vxlan/vxlan_core.c:4742) vxlan
[ 3128.351618][ T66] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4737) vxlan
[ 3128.351849][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3128.352039][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3128.352245][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3128.352477][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3128.352710][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3128.352903][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3128.353084][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3128.353319][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3128.353546][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3128.353784][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3128.353968][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3128.354198][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3128.354398][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3128.354592][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3128.354772][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3128.354950][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3128.355139][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3128.355328][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3128.355520][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3128.355703][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3128.355889][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3128.356080][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3128.356287][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3128.356470][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3128.356700][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3128.356887][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3128.357061][ T66] kthread (kernel/kthread.c:389)
[ 3128.357203][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3128.357396][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3128.357577][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3128.357768][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3128.388741][   T66] ------------[ cut here ]------------
| [ 3128.388939][ T66] WARNING: CPU: 3 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3128.389501][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3128.390510][   T66] Tainted: [W]=WARN
[ 3128.390647][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3128.390855][   T66] Workqueue: netns cleanup_net
[ 3128.391035][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.391207][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3128.391808][   T66] RSP: 0018:ffffc900004779c0 EFLAGS: 00010287
[ 3128.392021][   T66] RAX: ffff88801834c5c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3128.392282][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888007a89178
[ 3128.392541][   T66] RBP: ffff888007a891b8 R08: 0000000000000001 R09: fffff5200008ef12
[ 3128.392790][   T66] R10: ffffc90000477897 R11: ffff8880092cc5c0 R12: ffffc90000477b40
[ 3128.393038][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477a70
[ 3128.393290][   T66] FS:  0000000000000000(0000) GS:ffff88806d180000(0000) knlGS:0000000000000000
[ 3128.393586][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3128.393797][   T66] CR2: 00007f6b588bf000 CR3: 0000000059f3a003 CR4: 0000000000772ef0
[ 3128.394045][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3128.394314][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3128.394571][   T66] PKRU: 55555554
[ 3128.394706][   T66] Call Trace:
[ 3128.394835][   T66]  <TASK>
[ 3128.394923][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.395111][ T66] ? __warn (kernel/panic.c:748)
[ 3128.395261][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.395436][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3128.395614][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3128.395745][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3128.395921][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3128.396112][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3128.396300][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.396493][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3128.396719][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3128.396942][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3128.397129][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3128.397327][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3128.397561][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3128.397769][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3128.398001][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3128.398168][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3128.398390][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3128.398584][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3128.398758][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3128.398927][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3128.399114][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3128.399307][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3128.399482][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3128.399661][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3128.399842][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3128.400021][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3128.400202][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3128.400391][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3128.400582][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3128.400819][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3128.400990][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3128.401151][ T66] kthread (kernel/kthread.c:389)
[ 3128.401320][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3128.401498][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3128.401675][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3128.401847][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3128.817310][   T66] ------------[ cut here ]------------
| [ 3128.817556][ T66] WARNING: CPU: 3 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3128.817886][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3128.818945][   T66] Tainted: [W]=WARN
[ 3128.819096][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3128.819333][   T66] Workqueue: netns cleanup_net
[ 3128.819519][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.819707][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3128.820351][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3128.820584][   T66] RAX: ffff8880064815c0 RBX: ffff8880092cc5c0 RCX: ffffffff84bcecc8
[ 3128.820867][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888008931178
[ 3128.821144][   T66] RBP: dffffc0000000000 R08: ffff888008931130 R09: ffffed100121a72c
[ 3128.821417][   T66] R10: ffff8880090d3963 R11: dffffc0000000000 R12: ffffc90000477838
[ 3128.821677][   T66] R13: ffffc900004778f0 R14: dffffc0000000000 R15: ffffc900004778f0
[ 3128.821937][   T66] FS:  0000000000000000(0000) GS:ffff88806d180000(0000) knlGS:0000000000000000
[ 3128.822249][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3128.822460][   T66] CR2: 00007f4daba2339a CR3: 0000000059f3a004 CR4: 0000000000772ef0
[ 3128.822715][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3128.822969][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3128.823243][   T66] PKRU: 55555554
[ 3128.823380][   T66] Call Trace:
[ 3128.823519][   T66]  <TASK>
[ 3128.823613][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.823801][ T66] ? __warn (kernel/panic.c:748)
[ 3128.823946][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.824137][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3128.824339][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3128.824486][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3128.824661][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3128.824860][ T66] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 3128.825039][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.825231][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 3128.825450][ T66] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 3128.825634][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3128.825822][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3128.826050][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3128.826258][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3128.826439][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3128.826616][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3128.826853][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3128.827050][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3128.827245][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3128.827439][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3128.827619][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3128.827804][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3128.828036][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3128.828264][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3128.828449][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3128.828634][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3128.828860][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3128.829084][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3128.829326][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3128.829519][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3128.829750][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3128.829939][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3128.830126][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3128.830331][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3128.830506][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3128.830690][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3128.830872][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3128.831047][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3128.831243][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3128.831427][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3128.831613][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3128.831811][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3128.831992][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3128.832236][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3128.832415][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3128.832595][ T66] kthread (kernel/kthread.c:389)
[ 3128.832744][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3128.832932][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3128.833116][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3128.833306][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3128.880648][   T66] ------------[ cut here ]------------
| [ 3128.880862][ T66] WARNING: CPU: 3 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3128.881158][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3128.882157][   T66] Tainted: [W]=WARN
[ 3128.882315][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3128.882535][   T66] Workqueue: netns cleanup_net
[ 3128.882712][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.882888][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3128.883502][   T66] RSP: 0018:ffffc900004779c0 EFLAGS: 00010287
[ 3128.883719][   T66] RAX: ffff8880158845c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3128.883979][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888009d34178
[ 3128.884245][   T66] RBP: ffff888009d341b8 R08: 0000000000000001 R09: fffff5200008ef12
[ 3128.884515][   T66] R10: ffffc90000477897 R11: ffff8880092cc5c0 R12: ffffc90000477b40
[ 3128.884777][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477a70
[ 3128.885035][   T66] FS:  0000000000000000(0000) GS:ffff88806d180000(0000) knlGS:0000000000000000
[ 3128.885347][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3128.885561][   T66] CR2: 00007f4daba2339a CR3: 0000000059f3a004 CR4: 0000000000772ef0
[ 3128.885824][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3128.886073][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3128.886346][   T66] PKRU: 55555554
[ 3128.886480][   T66] Call Trace:
[ 3128.886610][   T66]  <TASK>
[ 3128.886700][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.886879][ T66] ? __warn (kernel/panic.c:748)
[ 3128.887025][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.887198][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3128.887385][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3128.887526][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3128.887697][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3128.887882][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3128.888063][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3128.888244][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3128.888478][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3128.888695][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3128.888880][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3128.889052][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3128.889269][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3128.889485][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3128.889715][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3128.889893][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3128.890113][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3128.890298][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3128.890475][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3128.890654][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3128.890837][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3128.891017][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3128.891192][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3128.891378][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3128.891559][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3128.891741][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3128.891920][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3128.892106][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3128.892295][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3128.892513][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3128.892683][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3128.892852][ T66] kthread (kernel/kthread.c:389)
[ 3128.892988][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3128.893165][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3128.893352][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3128.893529][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3150.154182][   T66] ------------[ cut here ]------------
| [ 3150.154423][ T66] WARNING: CPU: 0 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3150.154730][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3150.155686][   T66] Tainted: [W]=WARN
[ 3150.155806][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3150.156007][   T66] Workqueue: netns cleanup_net
[ 3150.156175][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.156367][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3150.156940][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3150.157156][   T66] RAX: ffff88801b0245c0 RBX: ffff8880092cc5c0 RCX: ffffffff84bcecc8
[ 3150.157435][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff8880177c1178
[ 3150.157689][   T66] RBP: dffffc0000000000 R08: ffff8880177c1130 R09: ffffed1001bb13cc
[ 3150.157944][   T66] R10: ffff88800dd89e63 R11: dffffc0000000000 R12: ffffc90000477838
[ 3150.158212][   T66] R13: ffffc900004778f0 R14: dffffc0000000000 R15: ffffc900004778f0
[ 3150.158480][   T66] FS:  0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000
[ 3150.158774][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3150.158984][   T66] CR2: 00007f46765323a0 CR3: 000000000983c002 CR4: 0000000000772ef0
[ 3150.159244][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3150.159493][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3150.159724][   T66] PKRU: 55555554
[ 3150.159849][   T66] Call Trace:
[ 3150.159975][   T66]  <TASK>
[ 3150.160060][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.160233][ T66] ? __warn (kernel/panic.c:748)
[ 3150.160363][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.160529][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3150.160692][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3150.160818][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3150.160975][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3150.161149][ T66] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 3150.161326][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.161491][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 3150.161694][ T66] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 3150.161863][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3150.162026][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3150.162243][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3150.162414][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3150.162582][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3150.162747][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3150.162959][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3150.163140][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3150.163316][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3150.163486][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3150.163657][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3150.163824][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3150.164030][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3150.164241][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3150.164413][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3150.164570][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3150.164760][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3150.164955][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3150.165159][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3150.165332][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3150.165537][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3150.165698][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3150.165859][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3150.166018][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3150.166176][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3150.166351][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3150.166505][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3150.166673][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3150.166843][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3150.167003][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3150.167170][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3150.167348][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3150.167505][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3150.167710][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3150.167870][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3150.168025][ T66] kthread (kernel/kthread.c:389)
[ 3150.168145][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3150.168320][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3150.168482][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3150.168639][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3150.196294][   T66] ------------[ cut here ]------------
| [ 3150.196470][ T66] WARNING: CPU: 0 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3150.196744][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3150.197648][   T66] Tainted: [W]=WARN
[ 3150.197767][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3150.197963][   T66] Workqueue: netns cleanup_net
[ 3150.198132][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.198304][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3150.198834][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3150.199030][   T66] RAX: ffff88801b0245c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3150.199282][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff8880177c1178
[ 3150.199511][   T66] RBP: ffff8880177c11b8 R08: 0000000000000001 R09: fffff5200008eeb1
[ 3150.199737][   T66] R10: ffffc9000047758f R11: ffff8880092cc5c0 R12: ffffc90000477838
[ 3150.199962][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477768
[ 3150.200194][   T66] FS:  0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000
[ 3150.200476][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3150.200669][   T66] CR2: 00007f46765323a0 CR3: 000000000983c002 CR4: 0000000000772ef0
[ 3150.200898][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3150.201134][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3150.201376][   T66] PKRU: 55555554
[ 3150.201495][   T66] Call Trace:
[ 3150.201615][   T66]  <TASK>
[ 3150.201700][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.201856][ T66] ? __warn (kernel/panic.c:748)
[ 3150.201978][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.202135][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3150.202317][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3150.202439][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3150.202603][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3150.202767][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3150.202929][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.203088][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3150.203311][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3150.203520][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3150.203683][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3150.203843][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3150.204001][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3150.204203][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3150.204386][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3150.204552][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3150.204717][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3150.204881][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3150.205046][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3150.205258][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3150.205455][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3150.205618][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3150.205777][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3150.205971][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3150.206162][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3150.206376][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3150.206531][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3150.206726][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3150.206890][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3150.207058][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3150.207214][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3150.207385][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3150.207561][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3150.207715][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3150.207880][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3150.208044][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3150.208211][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3150.208398][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3150.208569][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3150.208737][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3150.208956][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3150.209122][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3150.209296][ T66] kthread (kernel/kthread.c:389)
[ 3150.209430][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3150.209601][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3150.209767][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3150.209933][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3150.356457][   T66] ------------[ cut here ]------------
| [ 3150.356632][ T66] WARNING: CPU: 0 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3150.356921][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3150.357855][   T66] Tainted: [W]=WARN
[ 3150.357978][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3150.358179][   T66] Workqueue: netns cleanup_net
[ 3150.358362][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.358535][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3150.359097][   T66] RSP: 0018:ffffc90000477720 EFLAGS: 00010287
[ 3150.359319][   T66] RAX: ffff88801b0245c0 RBX: ffff8880092cc5c0 RCX: ffffffff84bcecc8
[ 3150.359558][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88801ae58178
[ 3150.359800][   T66] RBP: dffffc0000000000 R08: ffff88801ae58130 R09: ffffed1001bb106c
[ 3150.360037][   T66] R10: ffff88800dd88363 R11: dffffc0000000000 R12: ffffc900004778a0
[ 3150.360292][   T66] R13: ffffc90000477910 R14: dffffc0000000000 R15: ffffc90000477910
[ 3150.360529][   T66] FS:  0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000
[ 3150.360815][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3150.361025][   T66] CR2: 00007f46765323a0 CR3: 0000000059f3a001 CR4: 0000000000772ef0
[ 3150.361276][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3150.361518][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3150.361758][   T66] PKRU: 55555554
[ 3150.361887][   T66] Call Trace:
[ 3150.362010][   T66]  <TASK>
[ 3150.362097][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.362268][ T66] ? __warn (kernel/panic.c:748)
[ 3150.362397][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.362566][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3150.362735][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3150.362858][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3150.363026][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3150.363198][ T66] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 3150.363379][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.363546][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 3150.363746][ T66] ? netdev_upper_dev_unlink (net/core/dev.c:8219)
[ 3150.363915][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3150.364112][ T66] ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4494) vxlan
[ 3150.364563][ T66] ? net_generic (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48) vxlan
[ 3150.364752][ T66] ? net_generic (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48) vxlan
[ 3150.364930][ T66] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4733 drivers/net/vxlan/vxlan_core.c:4742) vxlan
[ 3150.365141][ T66] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4737) vxlan
[ 3150.365369][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3150.365540][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3150.365709][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3150.365919][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3150.366123][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3150.366303][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3150.366467][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3150.366663][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3150.366863][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3150.367073][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3150.367244][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3150.367457][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3150.367627][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3150.367789][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3150.367953][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3150.368109][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3150.368284][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3150.368442][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3150.368610][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3150.368784][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3150.368946][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3150.369115][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3150.369290][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3150.369451][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3150.369656][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3150.369816][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3150.369987][ T66] kthread (kernel/kthread.c:389)
[ 3150.370111][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3150.370288][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3150.370447][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3150.370607][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3150.412938][   T66] ------------[ cut here ]------------
| [ 3150.413193][ T66] WARNING: CPU: 0 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3150.413476][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3150.414372][   T66] Tainted: [W]=WARN
[ 3150.414493][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3150.414684][   T66] Workqueue: netns cleanup_net
[ 3150.414848][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.415002][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3150.415550][   T66] RSP: 0018:ffffc900004779c0 EFLAGS: 00010287
[ 3150.415746][   T66] RAX: ffff888017d405c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3150.415970][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888005524178
[ 3150.416196][   T66] RBP: ffff8880055241b8 R08: 0000000000000001 R09: fffff5200008ef12
[ 3150.416434][   T66] R10: ffffc90000477897 R11: ffff8880092cc5c0 R12: ffffc90000477b40
[ 3150.416655][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477a70
[ 3150.416878][   T66] FS:  0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000
[ 3150.417143][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3150.417344][   T66] CR2: 00007f46765323a0 CR3: 0000000059f3a001 CR4: 0000000000772ef0
[ 3150.417569][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3150.417798][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3150.418024][   T66] PKRU: 55555554
[ 3150.418141][   T66] Call Trace:
[ 3150.418321][   T66]  <TASK>
[ 3150.418403][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.418559][ T66] ? __warn (kernel/panic.c:748)
[ 3150.418683][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.418840][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3150.419001][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3150.419124][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3150.419350][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3150.419525][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3150.419680][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.419839][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3150.420041][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3150.420296][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3150.420457][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3150.420610][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3150.420800][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3150.420988][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3150.421189][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3150.421406][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3150.421601][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3150.421760][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3150.421915][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3150.422074][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3150.422294][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3150.422460][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3150.422612][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3150.422774][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3150.422936][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3150.423095][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3150.423321][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3150.423485][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3150.423645][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3150.423840][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3150.423996][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3150.424146][ T66] kthread (kernel/kthread.c:389)
[ 3150.424328][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3150.424494][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3150.424645][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3150.424799][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3150.873205][   T66] ------------[ cut here ]------------
| [ 3150.873499][ T66] WARNING: CPU: 1 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3150.873785][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3150.874711][   T66] Tainted: [W]=WARN
[ 3150.874834][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3150.875033][   T66] Workqueue: netns cleanup_net
[ 3150.875203][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.875391][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3150.875947][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3150.876160][   T66] RAX: ffff888008a795c0 RBX: ffff8880092cc5c0 RCX: ffffffff84bcecc8
[ 3150.876506][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888005004178
[ 3150.876737][   T66] RBP: dffffc0000000000 R08: ffff888005004130 R09: ffffed1001bb1a8c
[ 3150.876965][   T66] R10: ffff88800dd8d463 R11: dffffc0000000000 R12: ffffc90000477838
[ 3150.877192][   T66] R13: ffffc900004778f0 R14: dffffc0000000000 R15: ffffc900004778f0
[ 3150.877446][   T66] FS:  0000000000000000(0000) GS:ffff88806d080000(0000) knlGS:0000000000000000
[ 3150.877714][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3150.877907][   T66] CR2: 00007f4d57dc5ff0 CR3: 0000000059f3a001 CR4: 0000000000772ef0
[ 3150.878136][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3150.878390][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3150.878617][   T66] PKRU: 55555554
[ 3150.878735][   T66] Call Trace:
[ 3150.878853][   T66]  <TASK>
[ 3150.878935][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.879094][ T66] ? __warn (kernel/panic.c:748)
[ 3150.879231][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.879391][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3150.879558][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3150.879679][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3150.879833][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3150.879995][ T66] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 3150.880152][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.880321][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 3150.880511][ T66] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 3150.880672][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3150.880833][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3150.881027][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3150.881188][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3150.881359][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3150.881514][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3150.881716][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3150.881885][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3150.882043][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3150.882202][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3150.882376][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3150.882541][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3150.882741][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3150.882935][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3150.883099][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3150.883265][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3150.883453][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3150.883642][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3150.883844][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3150.884000][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3150.884199][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3150.884377][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3150.884543][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3150.884697][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3150.884850][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3150.885011][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3150.885163][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3150.885341][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3150.885509][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3150.885664][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3150.885829][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3150.885990][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3150.886146][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3150.886353][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3150.886515][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3150.886670][ T66] kthread (kernel/kthread.c:389)
[ 3150.886790][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3150.886946][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3150.887101][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3150.887267][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3150.926539][   T66] ------------[ cut here ]------------
| [ 3150.926757][ T66] WARNING: CPU: 2 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3150.927034][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3150.927957][   T66] Tainted: [W]=WARN
[ 3150.928083][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3150.928312][   T66] Workqueue: netns cleanup_net
[ 3150.928491][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.928685][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3150.929230][   T66] RSP: 0018:ffffc900004779c0 EFLAGS: 00010287
[ 3150.929437][   T66] RAX: ffff8880151195c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3150.929677][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88800e0c4178
[ 3150.929908][   T66] RBP: ffff88800e0c41b8 R08: 0000000000000001 R09: fffff5200008ef12
[ 3150.930139][   T66] R10: ffffc90000477897 R11: ffff8880092cc5c0 R12: ffffc90000477b40
[ 3150.930384][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477a70
[ 3150.930636][   T66] FS:  0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
[ 3150.930907][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3150.931106][   T66] CR2: 00007f04512c42c0 CR3: 0000000059f3a002 CR4: 0000000000772ef0
[ 3150.931356][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3150.931599][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3150.931837][   T66] PKRU: 55555554
[ 3150.931966][   T66] Call Trace:
[ 3150.932096][   T66]  <TASK>
[ 3150.932189][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.932369][ T66] ? __warn (kernel/panic.c:748)
[ 3150.932504][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.932671][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3150.932847][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3150.932978][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3150.933147][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3150.933330][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3150.933500][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3150.933665][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3150.933875][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3150.934081][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3150.934265][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3150.934442][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3150.934640][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3150.934843][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3150.935053][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3150.935227][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3150.935450][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3150.935621][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3150.935791][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3150.935957][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3150.936123][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3150.936301][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3150.936467][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3150.936637][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3150.936822][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3150.936996][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3150.937173][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3150.937361][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3150.937527][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3150.937734][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3150.937897][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3150.938065][ T66] kthread (kernel/kthread.c:389)
[ 3150.938198][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3150.938376][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3150.938540][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3150.938706][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3172.419985][   T66] ------------[ cut here ]------------
| [ 3172.420181][ T66] WARNING: CPU: 0 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3172.420481][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3172.421422][   T66] Tainted: [W]=WARN
[ 3172.421557][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3172.421759][   T66] Workqueue: netns cleanup_net
[ 3172.421925][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.422097][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3172.422672][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3172.422877][   T66] RAX: ffff8880088645c0 RBX: ffff8880092cc5c0 RCX: ffffffff84bcecc8
[ 3172.423123][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff8880151c1178
[ 3172.423378][   T66] RBP: dffffc0000000000 R08: ffff8880151c1130 R09: ffffed100362406c
[ 3172.423609][   T66] R10: ffff88801b120363 R11: dffffc0000000000 R12: ffffc90000477838
[ 3172.423842][   T66] R13: ffffc900004778f0 R14: dffffc0000000000 R15: ffffc900004778f0
[ 3172.424079][   T66] FS:  0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000
[ 3172.424390][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3172.424594][   T66] CR2: 00007f6f98f31000 CR3: 000000000c454005 CR4: 0000000000772ef0
[ 3172.424834][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3172.425066][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3172.425314][   T66] PKRU: 55555554
[ 3172.425438][   T66] Call Trace:
[ 3172.425560][   T66]  <TASK>
[ 3172.425647][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.425809][ T66] ? __warn (kernel/panic.c:748)
[ 3172.425934][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.426097][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3172.426276][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3172.426398][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3172.426561][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3172.426743][ T66] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 3172.426902][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.427063][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 3172.427275][ T66] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 3172.427435][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3172.427601][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3172.427808][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3172.427974][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3172.428137][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3172.428305][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3172.428504][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3172.428671][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3172.428829][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3172.428999][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3172.429169][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3172.429344][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3172.429547][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3172.429745][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3172.429912][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3172.430070][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3172.430275][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3172.430474][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3172.430683][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3172.430841][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3172.431048][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3172.431212][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3172.431540][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3172.431711][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3172.431869][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3172.432032][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3172.432187][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3172.432364][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3172.432532][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3172.432694][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3172.432870][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3172.433039][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3172.433202][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3172.433416][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3172.433580][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3172.433737][ T66] kthread (kernel/kthread.c:389)
[ 3172.433857][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3172.434019][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3172.434184][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3172.434361][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3172.455824][   T66] ------------[ cut here ]------------
| [ 3172.456094][ T66] WARNING: CPU: 0 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3172.456400][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3172.457318][   T66] Tainted: [W]=WARN
[ 3172.457441][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3172.457641][   T66] Workqueue: netns cleanup_net
[ 3172.457806][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.457965][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3172.458525][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3172.458724][   T66] RAX: ffff8880088645c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3172.458952][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff8880151c1178
[ 3172.459182][   T66] RBP: ffff8880151c11b8 R08: 0000000000000001 R09: fffff5200008eeb1
[ 3172.459425][   T66] R10: ffffc9000047758f R11: ffff8880092cc5c0 R12: ffffc90000477838
[ 3172.459660][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477768
[ 3172.459889][   T66] FS:  0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000
[ 3172.460157][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3172.460370][   T66] CR2: 00007f6f98f31000 CR3: 000000000c454005 CR4: 0000000000772ef0
[ 3172.460606][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3172.460842][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3172.461071][   T66] PKRU: 55555554
[ 3172.461192][   T66] Call Trace:
[ 3172.461321][   T66]  <TASK>
[ 3172.461409][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.461570][ T66] ? __warn (kernel/panic.c:748)
[ 3172.461691][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.461848][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3172.462011][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3172.462135][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3172.462300][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3172.462464][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3172.462624][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.462794][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3172.463003][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3172.463196][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3172.463369][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3172.463537][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3172.463695][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3172.463895][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3172.464072][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3172.464245][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3172.464406][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3172.464571][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3172.464736][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3172.464942][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3172.465130][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3172.465318][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3172.465478][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3172.465667][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3172.465864][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3172.466065][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3172.466228][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3172.466426][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3172.466592][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3172.466755][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3172.466914][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3172.467066][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3172.467236][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3172.467394][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3172.467556][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3172.467728][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3172.467888][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3172.468056][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3172.468235][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3172.468392][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3172.468595][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3172.468759][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3172.468914][ T66] kthread (kernel/kthread.c:389)
[ 3172.469042][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3172.469201][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3172.469377][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3172.469537][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3172.577163][   T66] ------------[ cut here ]------------
| [ 3172.577355][ T66] WARNING: CPU: 0 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3172.577645][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3172.578592][   T66] Tainted: [W]=WARN
[ 3172.578713][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3172.578918][   T66] Workqueue: netns cleanup_net
[ 3172.579084][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.579261][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3172.579812][   T66] RSP: 0018:ffffc90000477720 EFLAGS: 00010287
[ 3172.580012][   T66] RAX: ffff8880088645c0 RBX: ffff8880092cc5c0 RCX: ffffffff84bcecc8
[ 3172.580258][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888009eb0178
[ 3172.580498][   T66] RBP: dffffc0000000000 R08: ffff888009eb0130 R09: ffffed10036243cc
[ 3172.580740][   T66] R10: ffff88801b121e63 R11: dffffc0000000000 R12: ffffc900004778a0
[ 3172.580975][   T66] R13: ffffc90000477910 R14: dffffc0000000000 R15: ffffc90000477910
[ 3172.581232][   T66] FS:  0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000
[ 3172.581509][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3172.581719][   T66] CR2: 00007f6f98f31000 CR3: 0000000059f3a002 CR4: 0000000000772ef0
[ 3172.581960][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3172.582195][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3172.582458][   T66] PKRU: 55555554
[ 3172.582589][   T66] Call Trace:
[ 3172.582708][   T66]  <TASK>
[ 3172.582792][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.582952][ T66] ? __warn (kernel/panic.c:748)
[ 3172.583083][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.583258][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3172.583428][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3172.583558][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3172.583726][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3172.583904][ T66] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 3172.584071][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.584253][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 3172.584466][ T66] ? netdev_upper_dev_unlink (net/core/dev.c:8219)
[ 3172.584642][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3172.584853][ T66] ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4494) vxlan
[ 3172.585032][ T66] ? net_generic (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48) vxlan
[ 3172.585238][ T66] ? net_generic (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48) vxlan
[ 3172.585425][ T66] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4733 drivers/net/vxlan/vxlan_core.c:4742) vxlan
[ 3172.585648][ T66] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4737) vxlan
[ 3172.585867][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3172.586041][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3172.586228][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3172.586443][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3172.586649][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3172.586824][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3172.586990][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3172.587195][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3172.587408][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3172.587627][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3172.587794][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3172.588003][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3172.588173][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3172.588344][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3172.588517][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3172.588676][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3172.588855][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3172.589021][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3172.589188][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3172.589378][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3172.589543][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3172.589720][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3172.589894][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3172.590070][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3172.590289][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3172.590472][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3172.590638][ T66] kthread (kernel/kthread.c:389)
[ 3172.590767][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3172.590933][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3172.591097][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3172.591273][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3172.627145][   T66] ------------[ cut here ]------------
| [ 3172.627343][ T66] WARNING: CPU: 0 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3172.627628][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3172.628569][   T66] Tainted: [W]=WARN
[ 3172.628693][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3172.628897][   T66] Workqueue: netns cleanup_net
[ 3172.629064][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.629245][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3172.629821][   T66] RSP: 0000:ffffc90000477720 EFLAGS: 00010287
[ 3172.630023][   T66] RAX: ffff8880088645c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3172.630270][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888009eb0178
[ 3172.630516][   T66] RBP: ffff888009eb01b8 R08: 0000000000000001 R09: fffff5200008eebe
[ 3172.630754][   T66] R10: ffffc900004775f7 R11: ffff8880092cc5c0 R12: ffffc900004778a0
[ 3172.630992][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900004777d0
[ 3172.631241][   T66] FS:  0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000
[ 3172.631522][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3172.631718][   T66] CR2: 00007f6752477561 CR3: 0000000059f3a002 CR4: 0000000000772ef0
[ 3172.631959][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3172.632199][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3172.632459][   T66] PKRU: 55555554
[ 3172.632583][   T66] Call Trace:
[ 3172.632703][   T66]  <TASK>
[ 3172.632785][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.632940][ T66] ? __warn (kernel/panic.c:748)
[ 3172.633064][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.633234][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3172.633399][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3172.633521][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3172.633677][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3172.633851][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3172.634020][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.634184][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3172.634415][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3172.634613][ T66] ? net_generic (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48) vxlan
[ 3172.634798][ T66] ? net_generic (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48) vxlan
[ 3172.634978][ T66] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4733 drivers/net/vxlan/vxlan_core.c:4742) vxlan
[ 3172.635191][ T66] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4737) vxlan
[ 3172.635417][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3172.635585][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3172.635752][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3172.635958][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3172.636151][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3172.636330][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3172.636492][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3172.636701][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3172.636899][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3172.637104][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3172.637276][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3172.637479][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3172.637649][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3172.637806][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3172.637969][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3172.638132][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3172.638312][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3172.638472][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3172.638637][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3172.638804][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3172.638962][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3172.639133][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3172.639315][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3172.639477][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3172.639687][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3172.639848][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3172.640009][ T66] kthread (kernel/kthread.c:389)
[ 3172.640132][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3172.640319][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3172.640487][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3172.640649][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3172.656072][   T66] ------------[ cut here ]------------
| [ 3172.656335][ T66] WARNING: CPU: 0 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3172.656606][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3172.657480][   T66] Tainted: [W]=WARN
[ 3172.657599][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3172.657798][   T66] Workqueue: netns cleanup_net
[ 3172.657959][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.658114][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3172.658654][   T66] RSP: 0000:ffffc900004779c0 EFLAGS: 00010287
[ 3172.658858][   T66] RAX: ffff8880088645c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3172.659098][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff8880021b1178
[ 3172.659396][   T66] RBP: ffff8880021b11b8 R08: 0000000000000001 R09: fffff5200008ef12
[ 3172.659622][   T66] R10: ffffc90000477897 R11: ffff8880092cc5c0 R12: ffffc90000477b40
[ 3172.659858][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477a70
[ 3172.660096][   T66] FS:  0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000
[ 3172.660378][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3172.660568][   T66] CR2: 00007f6752477561 CR3: 0000000059f3a002 CR4: 0000000000772ef0
[ 3172.660797][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3172.661024][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3172.661261][   T66] PKRU: 55555554
[ 3172.661379][   T66] Call Trace:
[ 3172.661496][   T66]  <TASK>
[ 3172.661574][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.661735][ T66] ? __warn (kernel/panic.c:748)
[ 3172.661861][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.662018][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3172.662189][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3172.662330][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3172.662488][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3172.662658][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3172.662818][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3172.662973][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3172.663185][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3172.663390][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3172.663562][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3172.663718][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3172.663911][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3172.664109][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3172.664343][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3172.664502][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3172.664706][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3172.664869][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3172.665032][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3172.665195][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3172.665366][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3172.665539][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3172.665701][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3172.665867][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3172.666038][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3172.666202][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3172.666382][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3172.666549][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3172.666705][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3172.666906][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3172.667082][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3172.667255][ T66] kthread (kernel/kthread.c:389)
[ 3172.667378][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3172.667538][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3172.667690][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3172.667854][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3173.098187][   T66] ------------[ cut here ]------------
| [ 3173.098408][ T66] WARNING: CPU: 0 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3173.098699][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3173.099643][   T66] Tainted: [W]=WARN
[ 3173.099766][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3173.099963][   T66] Workqueue: netns cleanup_net
[ 3173.100138][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3173.100413][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3173.100980][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3173.101189][   T66] RAX: ffff8880086315c0 RBX: ffff8880092cc5c0 RCX: ffffffff84bcecc8
[ 3173.101607][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff8880175c9178
[ 3173.101839][   T66] RBP: dffffc0000000000 R08: ffff8880175c9130 R09: ffffed100121a3cc
[ 3173.102069][   T66] R10: ffff8880090d1e63 R11: dffffc0000000000 R12: ffffc90000477838
[ 3173.102395][   T66] R13: ffffc900004778f0 R14: dffffc0000000000 R15: ffffc900004778f0
[ 3173.102633][   T66] FS:  0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000
[ 3173.102917][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3173.103110][   T66] CR2: 00007f2184fd7000 CR3: 0000000059f3a004 CR4: 0000000000772ef0
[ 3173.103355][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3173.103586][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3173.103816][   T66] PKRU: 55555554
[ 3173.103938][   T66] Call Trace:
[ 3173.104060][   T66]  <TASK>
[ 3173.104140][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3173.104321][ T66] ? __warn (kernel/panic.c:748)
[ 3173.104446][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3173.104611][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3173.104776][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3173.104901][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3173.105063][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3173.105246][ T66] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 3173.105415][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3173.105579][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 3173.105782][ T66] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 3173.105942][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3173.106108][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3173.106323][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3173.106503][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3173.106664][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3173.106831][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3173.107044][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3173.107232][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3173.107395][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3173.107561][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3173.107733][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3173.107903][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3173.108116][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3173.108326][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3173.108496][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3173.108653][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3173.108850][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3173.109046][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3173.109271][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3173.109435][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3173.109636][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3173.109802][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3173.109958][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3173.110116][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3173.110281][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3173.110447][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3173.110612][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3173.110779][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3173.110946][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3173.111104][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3173.111286][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3173.111453][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3173.111619][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3173.111822][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3173.111989][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3173.112151][ T66] kthread (kernel/kthread.c:389)
[ 3173.112282][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3173.112440][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3173.112598][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3173.112763][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3173.134883][   T66] ------------[ cut here ]------------
| [ 3173.135093][ T66] WARNING: CPU: 1 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3173.135393][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3173.136284][   T66] Tainted: [W]=WARN
[ 3173.136403][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3173.136594][   T66] Workqueue: netns cleanup_net
[ 3173.136756][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3173.136921][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3173.137532][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3173.137728][   T66] RAX: ffff8880086315c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3173.137961][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff8880175c9178
[ 3173.138185][   T66] RBP: ffff8880175c91b8 R08: 0000000000000001 R09: fffff5200008eeb1
[ 3173.138493][   T66] R10: ffffc9000047758f R11: ffff8880092cc5c0 R12: ffffc90000477838
[ 3173.138720][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477768
[ 3173.138949][   T66] FS:  0000000000000000(0000) GS:ffff88806d080000(0000) knlGS:0000000000000000
[ 3173.139214][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3173.139473][   T66] CR2: 00005611cafd2ff0 CR3: 0000000059f3a003 CR4: 0000000000772ef0
[ 3173.139706][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3173.139931][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3173.140163][   T66] PKRU: 55555554
[ 3173.140351][   T66] Call Trace:
[ 3173.140468][   T66]  <TASK>
[ 3173.140547][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3173.140702][ T66] ? __warn (kernel/panic.c:748)
[ 3173.140826][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3173.140982][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3173.141141][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3173.141336][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3173.141491][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3173.141652][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3173.141809][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3173.141968][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3173.142168][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3173.142433][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3173.142601][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3173.142760][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3173.142914][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3173.143113][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3173.143345][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3173.143501][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3173.143657][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3173.143825][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3173.143987][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3173.144187][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3173.144449][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3173.144616][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3173.144769][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3173.144957][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3173.145158][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3173.145431][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3173.145588][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3173.145786][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3173.145945][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3173.146100][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3173.146328][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3173.146483][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3173.146642][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3173.146795][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3173.146959][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3173.147124][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3173.147351][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3173.147520][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3173.147685][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3173.147840][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3173.148043][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3173.148198][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3173.148425][ T66] kthread (kernel/kthread.c:389)
[ 3173.148544][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3173.148703][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3173.148860][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3173.149015][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3173.165998][   T66] ------------[ cut here ]------------
| [ 3173.166188][ T66] WARNING: CPU: 0 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3173.166477][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3173.167362][   T66] Tainted: [W]=WARN
[ 3173.167483][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3173.167674][   T66] Workqueue: netns cleanup_net
[ 3173.167838][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3173.168000][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3173.168544][   T66] RSP: 0018:ffffc900004779c0 EFLAGS: 00010287
[ 3173.168739][   T66] RAX: ffff8880086315c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3173.168967][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888005e84178
[ 3173.169192][   T66] RBP: ffff888005e841b8 R08: 0000000000000001 R09: fffff5200008ef12
[ 3173.169436][   T66] R10: ffffc90000477897 R11: ffff8880092cc5c0 R12: ffffc90000477b40
[ 3173.169661][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477a70
[ 3173.169894][   T66] FS:  0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000
[ 3173.170162][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3173.170370][   T66] CR2: 00007f2184fd7000 CR3: 0000000059f3a004 CR4: 0000000000772ef0
[ 3173.170606][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3173.170834][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3173.171056][   T66] PKRU: 55555554
[ 3173.171176][   T66] Call Trace:
[ 3173.171312][   T66]  <TASK>
[ 3173.171393][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3173.171546][ T66] ? __warn (kernel/panic.c:748)
[ 3173.171670][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3173.171825][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3173.171981][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3173.172110][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3173.172273][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3173.172432][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3173.172600][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3173.172761][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3173.172956][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3173.173147][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3173.173318][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3173.173468][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3173.173666][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3173.173854][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3173.174065][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3173.174236][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3173.174445][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3173.174609][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3173.174765][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3173.174928][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3173.175083][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3173.175257][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3173.175408][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3173.175575][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3173.175740][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3173.175896][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3173.176072][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3173.176240][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3173.176400][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3173.176601][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3173.176754][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3173.176913][ T66] kthread (kernel/kthread.c:389)
[ 3173.177037][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3173.177197][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3173.177357][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3173.177519][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3207.232439][   T66] ------------[ cut here ]------------
| [ 3207.232685][ T66] WARNING: CPU: 3 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3207.233002][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3207.233981][   T66] Tainted: [W]=WARN
[ 3207.234130][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3207.234361][   T66] Workqueue: netns cleanup_net
[ 3207.234536][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.234703][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3207.235259][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3207.235472][   T66] RAX: ffff8880089395c0 RBX: ffff8880092cc5c0 RCX: ffffffff84bcecc8
[ 3207.235711][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88800a711178
[ 3207.235966][   T66] RBP: dffffc0000000000 R08: ffff88800a711130 R09: ffffed1001bb106c
[ 3207.236207][   T66] R10: ffff88800dd88363 R11: dffffc0000000000 R12: ffffc90000477838
[ 3207.236457][   T66] R13: ffffc900004778f0 R14: dffffc0000000000 R15: ffffc900004778f0
[ 3207.236715][   T66] FS:  0000000000000000(0000) GS:ffff88806d180000(0000) knlGS:0000000000000000
[ 3207.237011][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3207.237210][   T66] CR2: 00007fa608694000 CR3: 0000000059f3a005 CR4: 0000000000772ef0
[ 3207.237465][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3207.237696][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3207.237929][   T66] PKRU: 55555554
[ 3207.238057][   T66] Call Trace:
[ 3207.238180][   T66]  <TASK>
[ 3207.238275][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.238436][ T66] ? __warn (kernel/panic.c:748)
[ 3207.238573][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.238736][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3207.238904][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3207.239030][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3207.239186][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3207.239374][ T66] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 3207.239541][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.239703][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 3207.239905][ T66] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 3207.240079][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3207.240257][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3207.240457][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3207.240630][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3207.240795][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3207.240963][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3207.241172][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3207.241359][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3207.241522][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3207.241692][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3207.241868][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3207.242045][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3207.242269][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3207.242478][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3207.242649][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3207.242812][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3207.243015][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3207.243213][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3207.243441][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3207.243603][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3207.243803][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3207.243978][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3207.244145][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3207.244326][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3207.244481][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3207.244655][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3207.244818][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3207.244986][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3207.245158][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3207.245333][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3207.245513][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3207.245685][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3207.245846][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3207.246056][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3207.246230][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3207.246394][ T66] kthread (kernel/kthread.c:389)
[ 3207.246520][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3207.246690][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3207.246853][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3207.247017][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3207.278839][   T66] ------------[ cut here ]------------
| [ 3207.279109][ T66] WARNING: CPU: 3 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3207.279445][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3207.280412][   T66] Tainted: [W]=WARN
[ 3207.280539][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3207.280740][   T66] Workqueue: netns cleanup_net
[ 3207.280910][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.281078][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3207.281642][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3207.281854][   T66] RAX: ffff8880089395c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3207.282107][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88800a711178
[ 3207.282364][   T66] RBP: ffff88800a7111b8 R08: 0000000000000001 R09: fffff5200008eeb1
[ 3207.282609][   T66] R10: ffffc9000047758f R11: ffff8880092cc5c0 R12: ffffc90000477838
[ 3207.282851][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477768
[ 3207.283088][   T66] FS:  0000000000000000(0000) GS:ffff88806d180000(0000) knlGS:0000000000000000
[ 3207.283381][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3207.283590][   T66] CR2: 00007fa608694000 CR3: 0000000059f3a005 CR4: 0000000000772ef0
[ 3207.283831][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3207.284079][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3207.284329][   T66] PKRU: 55555554
[ 3207.284456][   T66] Call Trace:
[ 3207.284594][   T66]  <TASK>
[ 3207.284680][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.284854][ T66] ? __warn (kernel/panic.c:748)
[ 3207.284992][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.285160][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3207.285339][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3207.285475][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3207.285639][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3207.285817][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3207.285990][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.286158][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3207.286396][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3207.286601][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3207.286782][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3207.286952][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3207.287137][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3207.287364][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3207.287537][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3207.287710][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3207.287877][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3207.288053][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3207.288255][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3207.288485][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3207.288695][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3207.288867][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3207.289042][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3207.289251][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3207.289463][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3207.289697][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3207.289859][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3207.290068][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3207.290251][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3207.290419][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3207.290583][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3207.290746][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3207.290932][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3207.291102][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3207.291295][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3207.291477][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3207.291650][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3207.291827][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3207.292005][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3207.292165][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3207.292411][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3207.292587][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3207.292756][ T66] kthread (kernel/kthread.c:389)
[ 3207.292892][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3207.293062][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3207.293242][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3207.293414][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3207.476756][   T66] ------------[ cut here ]------------
| [ 3207.477030][ T66] WARNING: CPU: 3 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3207.477357][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3207.478362][   T66] Tainted: [W]=WARN
[ 3207.478488][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3207.478705][   T66] Workqueue: netns cleanup_net
[ 3207.478877][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.479053][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3207.479618][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3207.479827][   T66] RAX: ffff8880089395c0 RBX: ffff8880092cc5c0 RCX: ffffffff84bcecc8
[ 3207.480073][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888008111178
[ 3207.480318][   T66] RBP: dffffc0000000000 R08: ffff888008111130 R09: ffffed1001bb13cc
[ 3207.480549][   T66] R10: ffff88800dd89e63 R11: dffffc0000000000 R12: ffffc90000477838
[ 3207.480792][   T66] R13: ffffc900004778f0 R14: dffffc0000000000 R15: ffffc900004778f0
[ 3207.481035][   T66] FS:  0000000000000000(0000) GS:ffff88806d180000(0000) knlGS:0000000000000000
[ 3207.481335][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3207.481536][   T66] CR2: 00005611a7959dec CR3: 000000000c1c2002 CR4: 0000000000772ef0
[ 3207.481775][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3207.482009][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3207.482252][   T66] PKRU: 55555554
[ 3207.482386][   T66] Call Trace:
[ 3207.482510][   T66]  <TASK>
[ 3207.482594][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.482758][ T66] ? __warn (kernel/panic.c:748)
[ 3207.482889][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.483056][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3207.483242][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3207.483371][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3207.483528][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3207.483707][ T66] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 3207.483871][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.484032][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 3207.484256][ T66] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 3207.484422][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3207.484591][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3207.484796][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3207.484969][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3207.485137][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3207.485311][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3207.485518][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3207.485687][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3207.485849][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3207.486019][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3207.486191][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3207.486372][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3207.486584][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3207.486779][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3207.486950][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3207.487122][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3207.487333][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3207.487550][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3207.487766][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3207.487933][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3207.488138][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3207.488322][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3207.488489][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3207.488650][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3207.488810][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3207.488984][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3207.489145][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3207.489324][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3207.489505][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3207.489677][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3207.489852][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3207.490026][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3207.490191][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3207.490406][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3207.490572][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3207.490735][ T66] kthread (kernel/kthread.c:389)
[ 3207.490864][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3207.491029][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3207.491198][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3207.491389][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3207.521951][   T66] ------------[ cut here ]------------
| [ 3207.522236][ T66] WARNING: CPU: 3 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3207.522535][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3207.523493][   T66] Tainted: [W]=WARN
[ 3207.523618][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3207.523831][   T66] Workqueue: netns cleanup_net
[ 3207.524009][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.524190][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3207.524775][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3207.525001][   T66] RAX: ffff8880089395c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3207.525262][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888008111178
[ 3207.525504][   T66] RBP: ffff8880081111b8 R08: 0000000000000001 R09: fffff5200008eeb1
[ 3207.525753][   T66] R10: ffffc9000047758f R11: ffff8880092cc5c0 R12: ffffc90000477838
[ 3207.526015][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477768
[ 3207.526369][   T66] FS:  0000000000000000(0000) GS:ffff88806d180000(0000) knlGS:0000000000000000
[ 3207.526660][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3207.526869][   T66] CR2: 00005611a7959dec CR3: 000000000c1c2002 CR4: 0000000000772ef0
[ 3207.527148][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3207.527407][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3207.527654][   T66] PKRU: 55555554
[ 3207.527786][   T66] Call Trace:
[ 3207.527920][   T66]  <TASK>
[ 3207.528016][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.528200][ T66] ? __warn (kernel/panic.c:748)
[ 3207.528353][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.528537][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3207.528723][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3207.528858][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3207.529031][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3207.529210][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3207.529407][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.529587][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3207.529823][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3207.530048][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3207.530238][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3207.530419][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3207.530598][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3207.530818][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3207.531002][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3207.531178][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3207.531358][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3207.531541][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3207.531723][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3207.531940][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3207.532155][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3207.532356][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3207.532533][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3207.532736][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3207.532948][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3207.533170][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3207.533346][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3207.533559][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3207.533751][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3207.533922][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3207.534102][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3207.534276][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3207.534448][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3207.534611][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3207.534793][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3207.534982][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3207.535154][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3207.535344][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3207.535527][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3207.535703][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3207.535918][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3207.536084][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3207.536272][ T66] kthread (kernel/kthread.c:389)
[ 3207.536404][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3207.536584][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3207.536760][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3207.536927][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3207.697172][   T66] ------------[ cut here ]------------
| [ 3207.697406][ T66] WARNING: CPU: 3 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3207.697725][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3207.698788][   T66] Tainted: [W]=WARN
[ 3207.698918][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3207.699139][   T66] Workqueue: netns cleanup_net
[ 3207.699345][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.699520][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3207.700086][   T66] RSP: 0018:ffffc90000477720 EFLAGS: 00010287
[ 3207.700450][   T66] RAX: ffff8880089395c0 RBX: ffff8880092cc5c0 RCX: ffffffff84bcecc8
[ 3207.700689][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888009aa0178
[ 3207.700944][   T66] RBP: dffffc0000000000 R08: ffff888009aa0130 R09: ffffed1001bb172c
[ 3207.701186][   T66] R10: ffff88800dd8b963 R11: dffffc0000000000 R12: ffffc900004778a0
[ 3207.701517][   T66] R13: ffffc90000477910 R14: dffffc0000000000 R15: ffffc90000477910
[ 3207.701759][   T66] FS:  0000000000000000(0000) GS:ffff88806d180000(0000) knlGS:0000000000000000
[ 3207.702098][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3207.702471][   T66] CR2: 00005611a7959dec CR3: 000000000c1c2002 CR4: 0000000000772ef0
[ 3207.702711][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3207.702950][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3207.703204][   T66] PKRU: 55555554
[ 3207.703459][   T66] Call Trace:
[ 3207.703593][   T66]  <TASK>
[ 3207.703680][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.703860][ T66] ? __warn (kernel/panic.c:748)
[ 3207.703997][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.704187][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3207.704419][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3207.704548][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3207.704707][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3207.704880][ T66] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 3207.705047][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.705244][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 3207.705458][ T66] ? netdev_upper_dev_unlink (net/core/dev.c:8219)
[ 3207.705632][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3207.705840][ T66] ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4494) vxlan
[ 3207.706024][ T66] ? net_generic (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48) vxlan
[ 3207.706208][ T66] ? net_generic (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48) vxlan
[ 3207.706408][ T66] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4733 drivers/net/vxlan/vxlan_core.c:4742) vxlan
[ 3207.706624][ T66] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4737) vxlan
[ 3207.706841][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3207.707022][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3207.707196][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3207.707435][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3207.707649][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3207.707864][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3207.708038][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3207.708253][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3207.708476][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3207.708702][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3207.708872][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3207.709087][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3207.709287][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3207.709465][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3207.709636][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3207.709796][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3207.709987][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3207.710158][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3207.710362][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3207.710543][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3207.710704][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3207.710885][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3207.711063][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3207.711237][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3207.711452][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3207.711629][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3207.711788][ T66] kthread (kernel/kthread.c:389)
[ 3207.711913][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3207.712085][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3207.712269][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3207.712435][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3207.819813][   T66] ------------[ cut here ]------------
| [ 3207.820067][ T66] WARNING: CPU: 3 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3207.821520][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3207.822488][   T66] Tainted: [W]=WARN
[ 3207.822616][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3207.822826][   T66] Workqueue: netns cleanup_net
[ 3207.823003][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.823183][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3207.823759][   T66] RSP: 0018:ffffc90000477720 EFLAGS: 00010287
[ 3207.823979][   T66] RAX: ffff8880089395c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3207.824245][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888009aa0178
[ 3207.824489][   T66] RBP: ffff888009aa01b8 R08: 0000000000000001 R09: fffff5200008eebe
[ 3207.824734][   T66] R10: ffffc900004775f7 R11: ffff8880092cc5c0 R12: ffffc900004778a0
[ 3207.824973][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900004777d0
[ 3207.825231][   T66] FS:  0000000000000000(0000) GS:ffff88806d180000(0000) knlGS:0000000000000000
[ 3207.825519][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3207.825726][   T66] CR2: 00007f04512c42c0 CR3: 0000000059f3a005 CR4: 0000000000772ef0
[ 3207.825975][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3207.826212][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3207.826469][   T66] PKRU: 55555554
[ 3207.826597][   T66] Call Trace:
[ 3207.826723][   T66]  <TASK>
[ 3207.826810][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.826977][ T66] ? __warn (kernel/panic.c:748)
[ 3207.827114][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.827286][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3207.827465][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3207.827604][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3207.827767][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3207.827940][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3207.828105][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.828283][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3207.828500][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3207.828706][ T66] ? net_generic (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48) vxlan
[ 3207.828914][ T66] ? net_generic (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48) vxlan
[ 3207.829094][ T66] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4733 drivers/net/vxlan/vxlan_core.c:4742) vxlan
[ 3207.829314][ T66] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4737) vxlan
[ 3207.829527][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3207.829703][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3207.829877][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3207.830095][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3207.830307][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3207.830478][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3207.830649][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3207.830853][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3207.831054][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3207.831281][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3207.831456][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3207.831660][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3207.831837][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3207.832001][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3207.832166][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3207.832337][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3207.832502][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3207.832672][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3207.832846][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3207.833018][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3207.833183][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3207.833367][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3207.833541][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3207.833704][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3207.833924][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3207.834098][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3207.834275][ T66] kthread (kernel/kthread.c:389)
[ 3207.834404][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3207.834571][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3207.834737][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3207.834900][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3207.853911][   T66] ------------[ cut here ]------------
| [ 3207.854160][ T66] WARNING: CPU: 3 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3207.855051][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3207.856038][   T66] Tainted: [W]=WARN
[ 3207.856157][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3207.856362][   T66] Workqueue: netns cleanup_net
[ 3207.856533][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.856706][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3207.857243][   T66] RSP: 0018:ffffc900004779c0 EFLAGS: 00010287
[ 3207.857440][   T66] RAX: ffff8880089395c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3207.857675][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88801b1bc178
[ 3207.857903][   T66] RBP: ffff88801b1bc1b8 R08: 0000000000000001 R09: fffff5200008ef12
[ 3207.858135][   T66] R10: ffffc90000477897 R11: ffff8880092cc5c0 R12: ffffc90000477b40
[ 3207.858373][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477a70
[ 3207.858612][   T66] FS:  0000000000000000(0000) GS:ffff88806d180000(0000) knlGS:0000000000000000
[ 3207.858883][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3207.859076][   T66] CR2: 00007f04512c42c0 CR3: 0000000059f3a005 CR4: 0000000000772ef0
[ 3207.859315][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3207.859547][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3207.859787][   T66] PKRU: 55555554
[ 3207.859905][   T66] Call Trace:
[ 3207.860021][   T66]  <TASK>
[ 3207.860101][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.860265][ T66] ? __warn (kernel/panic.c:748)
[ 3207.860408][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.860568][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3207.860734][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3207.860864][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3207.861020][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3207.861185][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3207.861358][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3207.861515][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3207.861718][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3207.861906][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3207.862078][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3207.862244][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3207.862432][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3207.862621][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3207.862826][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3207.862986][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3207.863194][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3207.863369][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3207.863526][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3207.863692][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3207.863843][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3207.864005][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3207.864172][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3207.864349][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3207.864528][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3207.864689][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3207.864859][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3207.865026][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3207.865183][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3207.865398][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3207.865555][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3207.865718][ T66] kthread (kernel/kthread.c:389)
[ 3207.865843][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3207.866008][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3207.866170][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3207.866339][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3208.498682][   T66] ------------[ cut here ]------------
| [ 3208.498983][ T66] WARNING: CPU: 1 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3208.499321][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3208.500279][   T66] Tainted: [W]=WARN
[ 3208.500415][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3208.500625][   T66] Workqueue: netns cleanup_net
[ 3208.500805][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.500969][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3208.501655][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3208.501875][   T66] RAX: ffff888012dec5c0 RBX: ffff8880092cc5c0 RCX: ffffffff84bcecc8
[ 3208.502128][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff8880181fc178
[ 3208.502467][   T66] RBP: dffffc0000000000 R08: ffff8880181fc130 R09: ffffed100362472c
[ 3208.502720][   T66] R10: ffff88801b123963 R11: dffffc0000000000 R12: ffffc90000477838
[ 3208.502978][   T66] R13: ffffc900004778f0 R14: dffffc0000000000 R15: ffffc900004778f0
[ 3208.503328][   T66] FS:  0000000000000000(0000) GS:ffff88806d080000(0000) knlGS:0000000000000000
[ 3208.503594][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3208.503791][   T66] CR2: 00005611a7959dec CR3: 000000000c1c2002 CR4: 0000000000772ef0
[ 3208.504025][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3208.504340][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3208.504609][   T66] PKRU: 55555554
[ 3208.504735][   T66] Call Trace:
[ 3208.504858][   T66]  <TASK>
[ 3208.504944][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.505114][ T66] ? __warn (kernel/panic.c:748)
[ 3208.505265][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.505424][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3208.505590][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3208.505731][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3208.505888][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3208.506055][ T66] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 3208.506237][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.506402][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 3208.506605][ T66] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 3208.506772][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3208.506942][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3208.507144][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3208.507323][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3208.507490][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3208.507649][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3208.507857][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3208.508026][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3208.508199][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3208.508378][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3208.508541][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3208.508712][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3208.508917][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3208.509117][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3208.509306][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3208.509466][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3208.509659][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3208.509858][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3208.510070][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3208.510245][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3208.510443][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3208.510623][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3208.510785][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3208.510951][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3208.511121][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3208.511332][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3208.511491][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3208.511662][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3208.511840][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3208.512000][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3208.512168][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3208.512351][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3208.512509][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3208.512715][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3208.512877][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3208.513050][ T66] kthread (kernel/kthread.c:389)
[ 3208.513174][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3208.513356][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3208.513520][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3208.513675][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3208.564915][   T66] ------------[ cut here ]------------
| [ 3208.565164][ T66] WARNING: CPU: 3 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3208.565482][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3208.566444][   T66] Tainted: [W]=WARN
[ 3208.566569][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3208.566807][   T66] Workqueue: netns cleanup_net
[ 3208.566980][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.567143][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3208.567716][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3208.567927][   T66] RAX: ffff888012dec5c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3208.568166][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff8880181fc178
[ 3208.568426][   T66] RBP: ffff8880181fc1b8 R08: 0000000000000001 R09: fffff5200008eeb1
[ 3208.568666][   T66] R10: ffffc9000047758f R11: ffff8880092cc5c0 R12: ffffc90000477838
[ 3208.568912][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477768
[ 3208.569157][   T66] FS:  0000000000000000(0000) GS:ffff88806d180000(0000) knlGS:0000000000000000
[ 3208.569470][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3208.569672][   T66] CR2: 00007f176a54941d CR3: 0000000059f3a006 CR4: 0000000000772ef0
[ 3208.569912][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3208.570158][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3208.570410][   T66] PKRU: 55555554
[ 3208.570539][   T66] Call Trace:
[ 3208.570667][   T66]  <TASK>
[ 3208.570762][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.570929][ T66] ? __warn (kernel/panic.c:748)
[ 3208.571066][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.571244][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3208.571422][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3208.571551][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3208.571716][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3208.571891][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3208.572059][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.572235][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3208.572461][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3208.572671][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3208.572842][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3208.573015][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3208.573184][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3208.573403][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3208.573583][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3208.573743][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3208.573926][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3208.574101][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3208.574280][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3208.574499][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3208.574697][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3208.574871][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3208.575045][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3208.575262][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3208.575478][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3208.575696][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3208.575857][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3208.576071][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3208.576256][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3208.576431][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3208.576591][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3208.576753][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3208.576920][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3208.577083][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3208.577262][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3208.577430][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3208.577604][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3208.577771][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3208.577935][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3208.578097][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3208.578321][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3208.578483][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3208.578641][ T66] kthread (kernel/kthread.c:389)
[ 3208.578773][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3208.578946][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3208.579113][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3208.579284][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3208.748416][   T66] ------------[ cut here ]------------
| [ 3208.748738][ T66] WARNING: CPU: 3 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3208.749085][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3208.750190][   T66] Tainted: [W]=WARN
[ 3208.750341][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3208.750574][   T66] Workqueue: netns cleanup_net
[ 3208.750769][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.750961][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3208.751600][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3208.751834][   T66] RAX: ffff888012dec5c0 RBX: ffff8880092cc5c0 RCX: ffffffff84bcecc8
[ 3208.752127][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888009c14178
[ 3208.752419][   T66] RBP: dffffc0000000000 R08: ffff888009c14130 R09: ffffed10036243cc
[ 3208.752684][   T66] R10: ffff88801b121e63 R11: dffffc0000000000 R12: ffffc90000477838
[ 3208.752942][   T66] R13: ffffc900004778f0 R14: dffffc0000000000 R15: ffffc900004778f0
[ 3208.753257][   T66] FS:  0000000000000000(0000) GS:ffff88806d180000(0000) knlGS:0000000000000000
[ 3208.753555][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3208.753779][   T66] CR2: 00007f176a54941d CR3: 0000000059f3a006 CR4: 0000000000772ef0
[ 3208.754055][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3208.754328][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3208.754608][   T66] PKRU: 55555554
[ 3208.754740][   T66] Call Trace:
[ 3208.754870][   T66]  <TASK>
[ 3208.754964][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.755140][ T66] ? __warn (kernel/panic.c:748)
[ 3208.755307][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.755493][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3208.755686][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3208.755829][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3208.756016][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3208.756203][ T66] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 3208.756405][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.756590][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 3208.756812][ T66] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 3208.756996][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3208.757175][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3208.757438][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3208.757621][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3208.757799][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3208.757974][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3208.758202][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3208.758408][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3208.758593][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3208.758786][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3208.758966][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3208.759159][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3208.759401][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3208.759621][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3208.759806][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3208.759992][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3208.760234][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3208.760458][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3208.760696][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3208.760889][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3208.761116][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3208.761322][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3208.761515][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3208.761689][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3208.761878][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3208.762065][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3208.762259][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3208.762447][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3208.762641][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3208.762823][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3208.763012][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3208.763206][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3208.763409][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3208.763639][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3208.763822][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3208.764011][ T66] kthread (kernel/kthread.c:389)
[ 3208.764177][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3208.764369][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3208.764560][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3208.764741][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3208.794466][   T66] ------------[ cut here ]------------
| [ 3208.794703][ T66] WARNING: CPU: 3 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3208.795008][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3208.795983][   T66] Tainted: [W]=WARN
[ 3208.796106][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3208.796320][   T66] Workqueue: netns cleanup_net
[ 3208.796501][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.796672][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3208.797246][   T66] RSP: 0018:ffffc900004776b8 EFLAGS: 00010287
[ 3208.797454][   T66] RAX: ffff888012dec5c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3208.797698][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888009c14178
[ 3208.797975][   T66] RBP: ffff888009c141b8 R08: 0000000000000001 R09: fffff5200008eeb1
[ 3208.798243][   T66] R10: ffffc9000047758f R11: ffff8880092cc5c0 R12: ffffc90000477838
[ 3208.798497][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477768
[ 3208.798739][   T66] FS:  0000000000000000(0000) GS:ffff88806d180000(0000) knlGS:0000000000000000
[ 3208.799023][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3208.799236][   T66] CR2: 00007f176a54941d CR3: 0000000059f3a006 CR4: 0000000000772ef0
[ 3208.799480][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3208.799721][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3208.799977][   T66] PKRU: 55555554
[ 3208.800108][   T66] Call Trace:
[ 3208.800239][   T66]  <TASK>
[ 3208.800325][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.800498][ T66] ? __warn (kernel/panic.c:748)
[ 3208.800637][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.800805][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3208.800984][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3208.801116][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3208.801288][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3208.801471][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3208.801643][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.801820][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3208.802047][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3208.802268][ T66] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 3208.802443][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 3208.802623][ T66] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 3208.802808][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3208.803025][ T66] vlan_device_event (net/8021q/vlan.c:528)
[ 3208.803198][ T66] ? __pfx_vlan_device_event (net/8021q/vlan.c:362)
[ 3208.803376][ T66] ? __pfx_br_device_event (net/bridge/br.c:29)
[ 3208.803550][ T66] ? packet_notifier (net/packet/af_packet.c:4282)
[ 3208.803732][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 3208.803925][ T66] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 3208.804176][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3208.804405][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3208.804579][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3208.804740][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3208.804944][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3208.805162][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3208.805390][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3208.805557][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3208.805774][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3208.805952][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3208.806136][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3208.806310][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3208.806482][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3208.806649][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3208.806816][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3208.807000][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3208.807181][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3208.807370][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3208.807548][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3208.807736][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3208.807909][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3208.808126][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3208.808298][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3208.808458][ T66] kthread (kernel/kthread.c:389)
[ 3208.808587][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3208.808751][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3208.808931][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3208.809099][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 3208.823903][   T66] ------------[ cut here ]------------
| [ 3208.824141][ T66] WARNING: CPU: 3 PID: 66 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 3208.824456][   T66] Modules linked in: cls_bpf sch_ingress netdevsim xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
| [ 3208.825394][   T66] Tainted: [W]=WARN
[ 3208.825518][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3208.825725][   T66] Workqueue: netns cleanup_net
[ 3208.825895][ T66] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.826058][ T66] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 d7 87 e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 48 d7 87 	mov    $0xffffffff87d74880,%rdi
   f:	e8 8a 7d f1 fd       	call   0xfffffffffdf17d9e
  14:	e8 c5 d3 93 00       	call   0x93d3de
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 c3 82 6d fe       	call   0xfffffffffe6d82fe
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 c3 82 6d fe       	call   0xfffffffffe6d82d4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 3208.826626][   T66] RSP: 0018:ffffc900004779c0 EFLAGS: 00010287
[ 3208.826833][   T66] RAX: ffff888012dec5c0 RBX: ffff8880092cc5c0 RCX: ffffffff8753c8ca
[ 3208.827072][   T66] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888005399178
[ 3208.827313][   T66] RBP: ffff8880053991b8 R08: 0000000000000001 R09: fffff5200008ef12
[ 3208.827556][   T66] R10: ffffc90000477897 R11: ffff8880092cc5c0 R12: ffffc90000477b40
[ 3208.827796][   T66] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000477a70
[ 3208.828034][   T66] FS:  0000000000000000(0000) GS:ffff88806d180000(0000) knlGS:0000000000000000
[ 3208.828324][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3208.828543][   T66] CR2: 00007f176a54941d CR3: 0000000059f3a006 CR4: 0000000000772ef0
[ 3208.828783][   T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3208.829016][   T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3208.829264][   T66] PKRU: 55555554
[ 3208.829390][   T66] Call Trace:
[ 3208.829510][   T66]  <TASK>
[ 3208.829603][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.829765][ T66] ? __warn (kernel/panic.c:748)
[ 3208.829899][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.830064][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 3208.830244][ T66] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 3208.830381][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 3208.830552][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 3208.830718][ T66] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 3208.830900][ T66] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 3208.831065][ T66] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 3208.831286][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 3208.831475][ T66] ? default_device_exit_batch (net/core/dev.c:12133)
[ 3208.831639][ T66] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 3208.831804][ T66] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 3208.831991][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3208.832192][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 3208.832404][ T66] default_device_exit_batch (net/core/dev.c:12147)
[ 3208.832561][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12122)
[ 3208.832755][ T66] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3))
[ 3208.832919][ T66] cleanup_net (net/core/net_namespace.c:651 (discriminator 3))
[ 3208.833073][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 3208.833258][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 3208.833416][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 3208.833576][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 3208.833736][ T66] ? process_one_work (kernel/workqueue.c:3205)
[ 3208.833910][ T66] process_one_work (kernel/workqueue.c:3229)
[ 3208.834096][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 3208.834275][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 3208.834458][ T66] ? assign_work (kernel/workqueue.c:1200)
[ 3208.834630][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 3208.834790][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 3208.835013][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3208.835176][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 3208.835349][ T66] kthread (kernel/kthread.c:389)
[ 3208.835485][ T66] ? __pfx_kthread (kernel/kthread.c:342)
[ 3208.835665][ T66] ret_from_fork (arch/x86/kernel/process.c:147)
[ 3208.835831][ T66] ? __pfx_kthread (kernel/kthread.c:342)


Finger prints:
__rtnl_unlock:unregister_netdevice_many_notify:vxlan_netdevice_event:notifier_call_chain:unregister_netdevice_many_notify
__rtnl_unlock:unregister_netdevice_many_notify:default_device_exit_batch:cleanup_net:process_one_work
__rtnl_unlock:unregister_netdevice_many_notify:vlan_device_event:notifier_call_chain:unregister_netdevice_many_notify