======================================
| [ 1412.345993][   T67] br1: port 1(vx10) entered disabled state
| [ 1412.472723][   T67] ------------[ cut here ]------------
| [ 1412.472939][ T67] WARNING: CPU: 0 PID: 67 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 1412.473261][   T67] Modules linked in: macvlan vxlan ip6_udp_tunnel udp_tunnel act_vlan act_mpls dummy act_mirred bridge stp llc cls_matchall ip_gre act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
[ 1412.474260][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1412.474475][   T67] Workqueue: netns cleanup_net
[ 1412.474658][ T67] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1412.474835][ T67] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 f7 d6 9c e8 ca 45 f6 fd e8 05 28 74 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 b3 da 71 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 f7 d6 9c 	mov    $0xffffffff9cd6f780,%rdi
   f:	e8 ca 45 f6 fd       	call   0xfffffffffdf645de
  14:	e8 05 28 74 00       	call   0x74281e
  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 b3 da 71 fe       	call   0xfffffffffe71daee
  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 b3 da 71 fe       	call   0xfffffffffe71dac4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 1412.475435][   T67] RSP: 0018:ffffc900004874b8 EFLAGS: 00010287
[ 1412.475651][   T67] RAX: ffff88800e2115b0 RBX: ffff888008b88040 RCX: ffffffff99dc50a8
[ 1412.475903][   T67] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff8880078d9178
[ 1412.476207][   T67] RBP: dffffc0000000000 R08: ffff8880078d9130 R09: ffffed1000b6206c
[ 1412.476468][   T67] R10: ffff888005b10363 R11: dffffc0000000000 R12: ffffc90000487638
[ 1412.476719][   T67] R13: ffffc900004876a8 R14: dffffc0000000000 R15: ffffc900004876a8
[ 1412.476969][   T67] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[ 1412.477273][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1412.477494][   T67] CR2: 000056213c8dd868 CR3: 000000000f6ee001 CR4: 0000000000772ef0
[ 1412.477747][   T67] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1412.477994][   T67] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1412.478254][   T67] PKRU: 55555554
[ 1412.478388][   T67] Call Trace:
[ 1412.478520][   T67]  <TASK>
[ 1412.478616][ T67] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1412.478789][ T67] ? __warn (kernel/panic.c:748)
[ 1412.478921][ T67] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1412.479099][ T67] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 1412.479274][ T67] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 1412.479407][ T67] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 1412.479569][ T67] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 1412.479747][ T67] ? 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)
[ 1412.479925][ T67] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1412.480104][ T67] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 1412.480328][ T67] ? __netdev_upper_dev_unlink (net/core/dev.c:8180 (discriminator 11))
[ 1412.480537][ T67] ? __pfx___netdev_upper_dev_unlink (net/core/dev.c:8180)
[ 1412.480744][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 1412.480954][ T67] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 1412.481141][ T67] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 1412.481353][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 1412.481568][ T67] ? netdev_upper_dev_unlink (net/core/dev.c:8219)
[ 1412.481737][ T67] ? __pfx_netdev_upper_dev_unlink (net/core/dev.c:8219)
[ 1412.481954][ T67] macvlan_device_event (drivers/net/macvlan.c:1843) macvlan
[ 1412.482188][ T67] ? __pfx_macvlan_device_event (drivers/net/macvlan.c:1779) macvlan
[ 1412.482412][ T67] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:94 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[ 1412.482589][ T67] ? mirred_device_event (./include/linux/spinlock.h:392 net/sched/act_mirred.c:533) act_mirred
[ 1412.482802][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 1412.482980][ T67] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 1412.483204][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 1412.483416][ T67] ? 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)
[ 1412.483592][ T67] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 1412.483760][ T67] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 1412.483937][ T67] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 1412.484161][ T67] vlan_device_event (net/8021q/vlan.c:528) 8021q
[ 1412.484380][ T67] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:242 (discriminator 11))
[ 1412.484590][ T67] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 1412.484754][ T67] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:242 (discriminator 11))
[ 1412.484961][ T67] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q
[ 1412.485184][ T67] ? netconsole_netdev_event (drivers/net/netconsole.c:1082)
[ 1412.485356][ T67] ? packet_notifier (net/packet/af_packet.c:4282)
[ 1412.485531][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 1412.485704][ T67] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 1412.485910][ T67] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 1412.486077][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 1412.486291][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:66)
[ 1412.486456][ T67] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 1412.486796][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:66)
[ 1412.486964][ T67] ? nexthop_net_exit_batch_rtnl (net/ipv4/nexthop.c:585 net/ipv4/nexthop.c:2158 net/ipv4/nexthop.c:2666 net/ipv4/nexthop.c:4010)
[ 1412.487186][ T67] cleanup_net (net/core/net_namespace.c:648)
[ 1412.487449][ T67] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 1412.487619][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 1412.487786][ T67] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 1412.487957][ T67] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 1412.488130][ T67] ? process_one_work (kernel/workqueue.c:3205)
[ 1412.488308][ T67] process_one_work (kernel/workqueue.c:3229)
[ 1412.488486][ T67] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 1412.488652][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 1412.488828][ T67] ? assign_work (kernel/workqueue.c:1200)
[ 1412.489004][ T67] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 1412.489178][ T67] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 1412.489392][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 1412.489568][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 1412.489732][ T67] kthread (kernel/kthread.c:389)
[ 1412.489861][ T67] ? __pfx_kthread (kernel/kthread.c:342)
[ 1412.490036][ T67] ret_from_fork (arch/x86/kernel/process.c:147)
[ 1412.490302][ T67] ? __pfx_kthread (kernel/kthread.c:342)
[ 1412.490468][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 1412.506993][   T67] ------------[ cut here ]------------
| [ 1412.507352][ T67] WARNING: CPU: 0 PID: 67 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 1412.507660][   T67] Modules linked in: macvlan vxlan ip6_udp_tunnel udp_tunnel act_vlan act_mpls dummy act_mirred bridge stp llc cls_matchall ip_gre act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [ 1412.508647][   T67] Tainted: [W]=WARN
[ 1412.508782][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1412.508985][   T67] Workqueue: netns cleanup_net
[ 1412.509168][ T67] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1412.509346][ T67] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 f7 d6 9c e8 ca 45 f6 fd e8 05 28 74 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 b3 da 71 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 f7 d6 9c 	mov    $0xffffffff9cd6f780,%rdi
   f:	e8 ca 45 f6 fd       	call   0xfffffffffdf645de
  14:	e8 05 28 74 00       	call   0x74281e
  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 b3 da 71 fe       	call   0xfffffffffe71daee
  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 b3 da 71 fe       	call   0xfffffffffe71dac4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 1412.509918][   T67] RSP: 0018:ffffc900004874b8 EFLAGS: 00010287
[ 1412.510141][   T67] RAX: ffff88800e2115b0 RBX: ffff888008b88040 RCX: ffffffff9c4eb8aa
[ 1412.510385][   T67] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff8880078d9178
[ 1412.510639][   T67] RBP: ffff8880078d91b8 R08: 0000000000000001 R09: fffff52000090e71
[ 1412.510886][   T67] R10: ffffc9000048738f R11: ffff888008b88040 R12: ffffc90000487638
[ 1412.511138][   T67] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000487568
[ 1412.511382][   T67] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[ 1412.511666][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1412.511874][   T67] CR2: 000056213c8dd868 CR3: 000000000f6ee001 CR4: 0000000000772ef0
[ 1412.512139][   T67] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1412.512392][   T67] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1412.512634][   T67] PKRU: 55555554
[ 1412.512759][   T67] Call Trace:
[ 1412.512882][   T67]  <TASK>
[ 1412.512969][ T67] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1412.513167][ T67] ? __warn (kernel/panic.c:748)
[ 1412.513306][ T67] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1412.513473][ T67] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 1412.513648][ T67] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 1412.513773][ T67] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 1412.513937][ T67] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 1412.514124][ T67] ? __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)
[ 1412.514295][ T67] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1412.514469][ T67] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 1412.514678][ T67] ? __netdev_upper_dev_unlink (net/core/dev.c:8180 (discriminator 11))
[ 1412.514889][ T67] ? __pfx___netdev_upper_dev_unlink (net/core/dev.c:8180)
[ 1412.515104][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 1412.515310][ T67] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 1412.515478][ T67] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 1412.515705][ T67] ? netdev_upper_dev_unlink (net/core/dev.c:8219)
[ 1412.515872][ T67] ? __pfx_netdev_upper_dev_unlink (net/core/dev.c:8219)
[ 1412.516093][ T67] macvlan_device_event (drivers/net/macvlan.c:1843) macvlan
[ 1412.516310][ T67] ? __pfx_macvlan_device_event (drivers/net/macvlan.c:1779) macvlan
[ 1412.516518][ T67] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:94 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[ 1412.516683][ T67] ? mirred_device_event (./include/linux/spinlock.h:392 net/sched/act_mirred.c:533) act_mirred
[ 1412.516892][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 1412.517072][ T67] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 1412.517296][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 1412.517504][ T67] ? 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)
[ 1412.517680][ T67] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 1412.517850][ T67] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 1412.518017][ T67] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 1412.518244][ T67] vlan_device_event (net/8021q/vlan.c:528) 8021q
[ 1412.518461][ T67] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:242 (discriminator 11))
[ 1412.518672][ T67] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 1412.518837][ T67] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:242 (discriminator 11))
[ 1412.519041][ T67] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q
[ 1412.519269][ T67] ? netconsole_netdev_event (drivers/net/netconsole.c:1082)
[ 1412.519437][ T67] ? packet_notifier (net/packet/af_packet.c:4282)
[ 1412.519614][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 1412.519786][ T67] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 1412.519992][ T67] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 1412.520170][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 1412.520378][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:66)
[ 1412.520549][ T67] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 1412.520719][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:66)
[ 1412.520890][ T67] ? nexthop_net_exit_batch_rtnl (net/ipv4/nexthop.c:585 net/ipv4/nexthop.c:2158 net/ipv4/nexthop.c:2666 net/ipv4/nexthop.c:4010)
[ 1412.521109][ T67] cleanup_net (net/core/net_namespace.c:648)
[ 1412.521278][ T67] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 1412.521446][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 1412.521611][ T67] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 1412.521781][ T67] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 1412.521945][ T67] ? process_one_work (kernel/workqueue.c:3205)
[ 1412.522130][ T67] process_one_work (kernel/workqueue.c:3229)
[ 1412.522318][ T67] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 1412.522486][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 1412.522662][ T67] ? assign_work (kernel/workqueue.c:1200)
[ 1412.522833][ T67] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 1412.522999][ T67] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 1412.523220][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 1412.523392][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 1412.523559][ T67] kthread (kernel/kthread.c:389)
[ 1412.523690][ T67] ? __pfx_kthread (kernel/kthread.c:342)
[ 1412.523860][ T67] ret_from_fork (arch/x86/kernel/process.c:147)
[ 1412.524027][ T67] ? __pfx_kthread (kernel/kthread.c:342)
[ 1412.524201][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 1412.546434][   T67] ------------[ cut here ]------------
| [ 1412.546724][ T67] WARNING: CPU: 0 PID: 67 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 1412.547001][   T67] Modules linked in: macvlan vxlan ip6_udp_tunnel udp_tunnel act_vlan act_mpls dummy act_mirred bridge stp llc cls_matchall ip_gre act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [ 1412.547964][   T67] Tainted: [W]=WARN
[ 1412.548103][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1412.548298][   T67] Workqueue: netns cleanup_net
[ 1412.548463][ T67] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1412.548625][ T67] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 f7 d6 9c e8 ca 45 f6 fd e8 05 28 74 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 b3 da 71 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 f7 d6 9c 	mov    $0xffffffff9cd6f780,%rdi
   f:	e8 ca 45 f6 fd       	call   0xfffffffffdf645de
  14:	e8 05 28 74 00       	call   0x74281e
  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 b3 da 71 fe       	call   0xfffffffffe71daee
  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 b3 da 71 fe       	call   0xfffffffffe71dac4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 1412.549177][   T67] RSP: 0018:ffffc90000487758 EFLAGS: 00010287
[ 1412.549377][   T67] RAX: ffff8880078d95b0 RBX: ffff888008b88040 RCX: ffffffff9c4eb8aa
[ 1412.549606][   T67] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888011129178
[ 1412.549833][   T67] RBP: ffff8880111291b8 R08: 0000000000000001 R09: fffff52000090ec5
[ 1412.550066][   T67] R10: ffffc9000048762f R11: ffff888008b88040 R12: ffffc900004878d8
[ 1412.550301][   T67] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000487808
[ 1412.550528][   T67] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[ 1412.550797][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1412.550987][   T67] CR2: 000056213c8dd868 CR3: 000000000f6ee001 CR4: 0000000000772ef0
[ 1412.551229][   T67] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1412.551457][   T67] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1412.551685][   T67] PKRU: 55555554
[ 1412.551803][   T67] Call Trace:
[ 1412.551925][   T67]  <TASK>
[ 1412.552005][ T67] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1412.552187][ T67] ? __warn (kernel/panic.c:748)
[ 1412.552317][ T67] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1412.552478][ T67] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 1412.552642][ T67] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 1412.552762][ T67] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 1412.552919][ T67] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 1412.553091][ T67] ? __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)
[ 1412.553250][ T67] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1412.553414][ T67] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 1412.553622][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 1412.553822][ T67] ? 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)
[ 1412.553985][ T67] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 1412.554155][ T67] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 1412.554313][ T67] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 1412.554513][ T67] vlan_device_event (net/8021q/vlan.c:528) 8021q
[ 1412.554729][ T67] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:242 (discriminator 11))
[ 1412.554919][ T67] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 1412.555073][ T67] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:242 (discriminator 11))
[ 1412.555278][ T67] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q
[ 1412.555473][ T67] ? netconsole_netdev_event (drivers/net/netconsole.c:1082)
[ 1412.555628][ T67] ? packet_notifier (net/packet/af_packet.c:4282)
[ 1412.555792][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 1412.555963][ T67] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 1412.556164][ T67] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 1412.556322][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 1412.556517][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:66)
[ 1412.556670][ T67] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 1412.556835][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:66)
[ 1412.556995][ T67] ? nexthop_net_exit_batch_rtnl (net/ipv4/nexthop.c:585 net/ipv4/nexthop.c:2158 net/ipv4/nexthop.c:2666 net/ipv4/nexthop.c:4010)
[ 1412.557210][ T67] cleanup_net (net/core/net_namespace.c:648)
[ 1412.557366][ T67] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 1412.557522][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 1412.557682][ T67] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 1412.557840][ T67] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 1412.557993][ T67] ? process_one_work (kernel/workqueue.c:3205)
[ 1412.558166][ T67] process_one_work (kernel/workqueue.c:3229)
[ 1412.558336][ T67] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 1412.558496][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 1412.558659][ T67] ? assign_work (kernel/workqueue.c:1200)
[ 1412.558825][ T67] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 1412.558982][ T67] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 1412.559189][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 1412.559347][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 1412.559504][ T67] kthread (kernel/kthread.c:389)
[ 1412.559626][ T67] ? __pfx_kthread (kernel/kthread.c:342)
[ 1412.559784][ T67] ret_from_fork (arch/x86/kernel/process.c:147)
[ 1412.559938][ T67] ? __pfx_kthread (kernel/kthread.c:342)
[ 1412.560103][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 1412.588453][   T67] ------------[ cut here ]------------
| [ 1412.588637][ T67] WARNING: CPU: 0 PID: 67 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 1412.588896][   T67] Modules linked in: macvlan vxlan ip6_udp_tunnel udp_tunnel act_vlan act_mpls dummy act_mirred bridge stp llc cls_matchall ip_gre act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [ 1412.589822][   T67] Tainted: [W]=WARN
[ 1412.589939][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1412.590132][   T67] Workqueue: netns cleanup_net
[ 1412.590294][ T67] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1412.590449][ T67] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 f7 d6 9c e8 ca 45 f6 fd e8 05 28 74 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 b3 da 71 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 f7 d6 9c 	mov    $0xffffffff9cd6f780,%rdi
   f:	e8 ca 45 f6 fd       	call   0xfffffffffdf645de
  14:	e8 05 28 74 00       	call   0x74281e
  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 b3 da 71 fe       	call   0xfffffffffe71daee
  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 b3 da 71 fe       	call   0xfffffffffe71dac4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 1412.591098][   T67] RSP: 0018:ffffc90000487a60 EFLAGS: 00010287
[ 1412.591296][   T67] RAX: ffff8880095495b0 RBX: ffff888008b88040 RCX: ffffffff9c4eb8aa
[ 1412.591514][   T67] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88800fd6a178
[ 1412.591736][   T67] RBP: ffff88800fd6a1b8 R08: 0000000000000001 R09: fffff52000090f26
[ 1412.591953][   T67] R10: ffffc90000487937 R11: ffff888008b88040 R12: ffffc90000487be0
[ 1412.592194][   T67] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000487b10
[ 1412.592412][   T67] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[ 1412.592673][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1412.592858][   T67] CR2: 000056213c8dd868 CR3: 000000000f6ee001 CR4: 0000000000772ef0
[ 1412.593087][   T67] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1412.593304][   T67] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1412.593531][   T67] PKRU: 55555554
[ 1412.593645][   T67] Call Trace:
[ 1412.593758][   T67]  <TASK>
[ 1412.593836][ T67] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1412.593985][ T67] ? __warn (kernel/panic.c:748)
[ 1412.594115][ T67] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1412.594270][ T67] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 1412.594427][ T67] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 1412.594542][ T67] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 1412.594700][ T67] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 1412.594860][ T67] ? __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)
[ 1412.595014][ T67] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1412.595174][ T67] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 1412.595369][ T67] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 1412.595526][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 1412.595716][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:66)
[ 1412.595870][ T67] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 1412.596033][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:66)
[ 1412.596195][ T67] ? nexthop_net_exit_batch_rtnl (net/ipv4/nexthop.c:585 net/ipv4/nexthop.c:2158 net/ipv4/nexthop.c:2666 net/ipv4/nexthop.c:4010)
[ 1412.596387][ T67] cleanup_net (net/core/net_namespace.c:648)
[ 1412.596539][ T67] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 1412.596691][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 1412.596841][ T67] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 1412.597000][ T67] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 1412.597158][ T67] ? process_one_work (kernel/workqueue.c:3205)
[ 1412.597319][ T67] process_one_work (kernel/workqueue.c:3229)
[ 1412.597476][ T67] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 1412.597628][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 1412.597786][ T67] ? assign_work (kernel/workqueue.c:1200)
[ 1412.597940][ T67] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 1412.598103][ T67] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 1412.598302][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 1412.598455][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 1412.598607][ T67] kthread (kernel/kthread.c:389)
[ 1412.598725][ T67] ? __pfx_kthread (kernel/kthread.c:342)
[ 1412.598878][ T67] ret_from_fork (arch/x86/kernel/process.c:147)
[ 1412.599032][ T67] ? __pfx_kthread (kernel/kthread.c:342)


Finger prints:
__rtnl_unlock:unregister_netdevice_many_notify:cleanup_net:process_one_work:worker_thread
__rtnl_unlock:unregister_netdevice_many_notify:macvlan_device_event:notifier_call_chain:unregister_netdevice_many_notify
__rtnl_unlock:unregister_netdevice_many_notify:vlan_device_event:notifier_call_chain:unregister_netdevice_many_notify