======================================
| 0
| xx__-> [    9.797629][  T228] ------------[ cut here ]------------
| [ 9.797979][ T228] WARNING: CPU: 1 PID: 228 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [    9.798444][  T228] Modules linked in: netdevsim
[    9.799150][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.799424][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.799701][ T228] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[    9.800561][  T228] RSP: 0018:ffffc90000ae7520 EFLAGS: 00010246
[    9.800839][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.801262][  T228] RDX: 0000000000000000 RSI: ffff8880050a2c98 RDI: ffff88800bcb0b78
[    9.801581][  T228] RBP: ffffffff94323440 R08: 0000000000000000 R09: fffffbfff243d83c
[    9.801905][  T228] R10: ffffffff921ec1e7 R11: ffff88800bcb0040 R12: 0000000000000000
[    9.802253][  T228] R13: ffff8880050a2128 R14: ffff8880050a2008 R15: ffff8880050a2000
[    9.802587][  T228] FS:  00007f6ca389d740(0000) GS:ffff88802f480000(0000) knlGS:0000000000000000
[    9.803014][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.803290][  T228] CR2: 000055732bfeeb58 CR3: 0000000009014004 CR4: 0000000000772ef0
[    9.803615][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.803941][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.804284][  T228] PKRU: 55555554
[    9.804452][  T228] Call Trace:
[    9.804622][  T228]  <TASK>
[ 9.804739][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.804978][ T228] ? __warn (kernel/panic.c:748) 
[ 9.805165][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.805380][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.805604][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.805772][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.806004][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.806238][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.806469][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.806747][ T228] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 9.806970][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.807207][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.807434][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.807664][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.807902][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.808188][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.808357][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.808644][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.808921][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.809219][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.809454][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.809723][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.809940][ T228] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) 
[ 9.810124][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.810348][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.810569][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.810790][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.811019][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.811233][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.811499][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.811712][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.811929][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.812168][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.812400][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.812624][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.812837][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.813067][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.813289][ T228] ? 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) 
[ 9.813514][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.813741][ T228] device_add (drivers/base/core.c:3672) 
[ 9.813963][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.814192][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.814421][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.814702][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.815006][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.815221][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.815447][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.815660][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.815881][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.816065][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.816286][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.816502][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.816729][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.816953][ T228] ksys_write (fs/read_write.c:731) 
[ 9.817140][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.817356][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.817584][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.817806][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.818086][  T228] RIP: 0033:0x7f6ca39deb77
[ 9.818314][ T228] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[    9.819088][  T228] RSP: 002b:00007ffcc2ce9a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.819427][  T228] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6ca39deb77
[    9.819751][  T228] RDX: 0000000000000007 RSI: 000055732bfedb50 RDI: 0000000000000001
[    9.820099][  T228] RBP: 000055732bfedb50 R08: 0000000000000003 R09: 0000000000000000
[    9.820424][  T228] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000007
[    9.820746][  T228] R13: 00007f6ca3a9a760 R14: 0000000000000007 R15: 00007f6ca3a959c0
| [    9.881740][  T228] ------------[ cut here ]------------
| [ 9.882302][ T228] WARNING: CPU: 1 PID: 228 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [    9.882873][  T228] Modules linked in: netdevsim
| [    9.883531][  T228] Tainted: [W]=WARN
[    9.883716][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.883975][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.884293][ T228] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[    9.885035][  T228] RSP: 0018:ffffc90000ae7520 EFLAGS: 00010246
[    9.885294][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.885601][  T228] RDX: 0000000000000000 RSI: ffff8880094fac98 RDI: ffff88800bcb0b78
[    9.885904][  T228] RBP: ffffffff94323440 R08: 0000000000000000 R09: fffffbfff243d83c
[    9.886224][  T228] R10: ffffffff921ec1e7 R11: ffff88800bcb0040 R12: 0000000000000000
[    9.886527][  T228] R13: ffff8880094fa128 R14: ffff8880094fa008 R15: ffff8880094fa000
[    9.886833][  T228] FS:  00007f6ca389d740(0000) GS:ffff88802f480000(0000) knlGS:0000000000000000
[    9.887207][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.887463][  T228] CR2: 000055732be76288 CR3: 0000000009014005 CR4: 0000000000772ef0
[    9.887768][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.888087][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.888389][  T228] PKRU: 55555554
[    9.888543][  T228] Call Trace:
[    9.888696][  T228]  <TASK>
[ 9.888801][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.889023][ T228] ? __warn (kernel/panic.c:748) 
[ 9.889184][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.889394][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.889607][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.889766][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.889969][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.890318][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.890545][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.890807][ T228] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 9.891036][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.891246][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.891457][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.891674][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.891897][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.892184][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.892349][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.892617][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.892880][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.893157][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.893374][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.893635][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.893848][ T228] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) 
[ 9.894016][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.894230][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.894442][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.894650][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.894863][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.895114][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.895372][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.895578][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.895780][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.896001][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.896205][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.896416][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.896633][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.896836][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.897056][ T228] ? 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) 
[ 9.897270][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.897478][ T228] device_add (drivers/base/core.c:3672) 
[ 9.897688][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.897894][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.898131][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.898397][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.898662][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.898864][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.899090][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.899298][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.899508][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.899674][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.899885][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.900099][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.900313][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.900528][ T228] ksys_write (fs/read_write.c:731) 
[ 9.900689][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.900890][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.901135][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.901344][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.901596][  T228] RIP: 0033:0x7f6ca39deb77
[ 9.901805][ T228] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[    9.902522][  T228] RSP: 002b:00007ffcc2ce9b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.902851][  T228] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6ca39deb77
[    9.903166][  T228] RDX: 0000000000000007 RSI: 000055732bfedb50 RDI: 0000000000000001
[    9.903471][  T228] RBP: 000055732bfedb50 R08: 0000000000000000 R09: 00007f6ca3a514e0
[    9.903773][  T228] R10: 00007f6ca3a513e0 R11: 0000000000000246 R12: 0000000000000007
[    9.904098][  T228] R13: 00007f6ca3a9a760 R14: 0000000000000007 R15: 00007f6ca3a959c0
| [    9.980694][  T228] ------------[ cut here ]------------
| [ 9.981100][ T228] WARNING: CPU: 1 PID: 228 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [    9.981528][  T228] Modules linked in: netdevsim
| [    9.982314][  T228] Tainted: [W]=WARN
[    9.982476][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.982731][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.983013][ T228] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[    9.983720][  T228] RSP: 0018:ffffc90000ae7520 EFLAGS: 00010246
[    9.983981][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.984299][  T228] RDX: 0000000000000000 RSI: ffff88800b03ac98 RDI: ffff88800bcb0b78
[    9.984604][  T228] RBP: ffffffff94323440 R08: 0000000000000000 R09: fffffbfff243d83c
[    9.984931][  T228] R10: ffffffff921ec1e7 R11: ffff88800bcb0040 R12: 0000000000000000
[    9.985260][  T228] R13: ffff88800b03a128 R14: ffff88800b03a008 R15: ffff88800b03a000
[    9.985593][  T228] FS:  00007f6ca389d740(0000) GS:ffff88802f480000(0000) knlGS:0000000000000000
[    9.985944][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.986210][  T228] CR2: 00007f07754f3960 CR3: 0000000009014005 CR4: 0000000000772ef0
[    9.986514][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.986820][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.987134][  T228] PKRU: 55555554
[    9.987290][  T228] Call Trace:
[    9.987444][  T228]  <TASK>
[ 9.987551][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.987756][ T228] ? __warn (kernel/panic.c:748) 
[ 9.987915][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.988136][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.988356][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.988513][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.988725][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.988947][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.989178][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.989440][ T228] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 9.989651][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.989868][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.990091][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.990309][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.990530][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.990792][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.990951][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.991234][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.991498][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.991759][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.991977][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.992250][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.992459][ T228] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) 
[ 9.992614][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.992830][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.993075][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.993288][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.993493][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.993702][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.993951][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.994169][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.994377][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.994582][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.994786][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.995016][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.995222][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.995424][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.995627][ T228] ? 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) 
[ 9.995844][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.996068][ T228] device_add (drivers/base/core.c:3672) 
[ 9.996279][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.996482][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.996702][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.996968][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.997253][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.997465][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.997677][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.997883][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.998108][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.998277][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.998501][ T228] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 9.998717][ T228] ksys_write (fs/read_write.c:731) 
[ 9.998882][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.999116][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.999330][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.999586][  T228] RIP: 0033:0x7f6ca39deb77
[ 9.999797][ T228] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[   10.000519][  T228] RSP: 002b:00007ffcc2ce9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   10.000829][  T228] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6ca39deb77
[   10.001150][  T228] RDX: 0000000000000007 RSI: 000055732bfedb50 RDI: 0000000000000001
[   10.001457][  T228] RBP: 000055732bfedb50 R08: 0000000000000000 R09: 00007f6ca3a514e0
[   10.001765][  T228] R10: 00007f6ca3a513e0 R11: 0000000000000246 R12: 0000000000000007
[   10.002083][  T228] R13: 00007f6ca3a9a760 R14: 0000000000000007 R15: 00007f6ca3a959c0
| [   10.556106][  T271] ------------[ cut here ]------------
| [ 10.556909][ T271] WARNING: CPU: 2 PID: 271 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.557640][  T271] Modules linked in: netdevsim
| [   10.559227][  T271] Tainted: [W]=WARN
[   10.559465][  T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.559864][ T271] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.560331][ T271] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   10.561414][  T271] RSP: 0018:ffffc900004e71e8 EFLAGS: 00010246
[   10.561882][  T271] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.562427][  T271] RDX: 0000000000000000 RSI: ffff888008e12c98 RDI: ffff88800be4adc0
[   10.562908][  T271] RBP: ffff8880049a8040 R08: 0000000000000000 R09: fffffbfff243d83c
[   10.563461][  T271] R10: ffffffff921ec1e7 R11: ffff88800be4a300 R12: 0000000000000000
[   10.563975][  T271] R13: ffff888008e12128 R14: ffff888008e12008 R15: ffff888008e12000
[   10.564518][  T271] FS:  00007f2c4c9af800(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   10.565180][  T271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.565609][  T271] CR2: 00007f2c4caee440 CR3: 000000000c05e002 CR4: 0000000000772ef0
[   10.566092][  T271] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.566545][  T271] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.567021][  T271] PKRU: 55555554
[   10.567305][  T271] Call Trace:
[   10.567578][  T271]  <TASK>
[ 10.567766][ T271] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.568132][ T271] ? __warn (kernel/panic.c:748) 
[ 10.568391][ T271] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.568727][ T271] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.569119][ T271] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.569390][ T271] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.569727][ T271] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.570122][ T271] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.570489][ T271] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 10.570915][ T271] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.571457][ T271] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 10.571840][ T271] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.572206][ T271] register_netdevice (net/core/dev.c:11003) 
[ 10.572516][ T271] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.572839][ T271] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.573207][ T271] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.573645][ T271] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.574117][ T271] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 10.574579][ T271] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 10.575055][ T271] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 10.575496][ T271] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 10.576017][ T271] devlink_reload (net/devlink/dev.c:474) 
[ 10.576486][ T271] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 10.577077][ T271] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 10.577442][ T271] ? cap_capable (security/commoncap.c:131) 
[ 10.577776][ T271] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 10.578065][ T271] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 10.578420][ T271] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.578860][ T271] ? __nla_parse (lib/nlattr.c:732) 
[ 10.579709][ T271] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 10.580165][ T271] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 10.580706][ T271] ? cap_capable (security/commoncap.c:131) 
[ 10.581152][ T271] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 10.581466][ T271] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 10.581802][ T271] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 10.582138][ T271] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 10.582577][ T271] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.582962][ T271] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 10.583390][ T271] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 10.583765][ T271] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 10.584116][ T271] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 10.584403][ T271] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 10.584687][ T271] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 10.584960][ T271] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 10.585271][ T271] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 10.585556][ T271] genl_rcv (net/netlink/genetlink.c:1220) 
[ 10.585775][ T271] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 10.586123][ T271] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 10.586488][ T271] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 10.586870][ T271] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 10.587271][ T271] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 10.587609][ T271] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 10.587939][ T271] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 10.588335][ T271] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 10.588642][ T271] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 10.588937][ T271] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.589265][ T271] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 10.589575][ T271] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 10.589930][ T271] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 10.590368][ T271] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 10.590728][ T271] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 10.591051][ T271] __x64_sys_sendto (net/socket.c:2181) 
[ 10.591353][ T271] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.591726][ T271] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.592045][ T271] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.592477][  T271] RIP: 0033:0x7f2c4cbbba4a
[ 10.592839][ T271] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   10.593879][  T271] RSP: 002b:00007fff2b01d0f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   10.594479][  T271] RAX: ffffffffffffffda RBX: 0000000033bbeb00 RCX: 00007f2c4cbbba4a
[   10.595019][  T271] RDX: 0000000000000040 RSI: 0000000033bbeb00 RDI: 0000000000000005
[   10.595544][  T271] RBP: 0000000033bbe910 R08: 00007f2c4cd5f200 R09: 000000000000000c
[   10.596093][  T271] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   10.596571][  T271] R13: 0000000033bbe910 R14: 0000000000000000 R15: 0000000000000001
| [   10.851608][  T276] ------------[ cut here ]------------
| [ 10.852110][ T276] WARNING: CPU: 1 PID: 276 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   10.852939][  T276] Modules linked in: netdevsim
| [   10.853509][  T276] Tainted: [W]=WARN
[   10.853662][  T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.853907][ T276] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.854173][ T276] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   10.854889][  T276] RSP: 0018:ffffc900007071e8 EFLAGS: 00010246
[   10.855159][  T276] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   10.855475][  T276] RDX: 0000000000000000 RSI: ffff88800b842c98 RDI: ffff88800bcad080
[   10.855776][  T276] RBP: ffff8880049a8040 R08: 0000000000000000 R09: fffffbfff243d83c
[   10.856100][  T276] R10: ffffffff921ec1e7 R11: ffff88800bcac5c0 R12: 0000000000000000
[   10.856402][  T276] R13: ffff88800b842128 R14: ffff88800b842008 R15: ffff88800b842000
[   10.856695][  T276] FS:  00007f0d04308800(0000) GS:ffff88802f480000(0000) knlGS:0000000000000000
[   10.857052][  T276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.857306][  T276] CR2: 00007f07754d65a0 CR3: 000000000c05e005 CR4: 0000000000772ef0
[   10.857679][  T276] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.857969][  T276] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.858269][  T276] PKRU: 55555554
[   10.858422][  T276] Call Trace:
[   10.858573][  T276]  <TASK>
[ 10.858681][ T276] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.858891][ T276] ? __warn (kernel/panic.c:748) 
[ 10.859054][ T276] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.859254][ T276] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 10.859462][ T276] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 10.859619][ T276] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 10.859816][ T276] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 10.860038][ T276] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 10.860235][ T276] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 10.860442][ T276] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 10.860694][ T276] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 10.860897][ T276] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 10.861110][ T276] register_netdevice (net/core/dev.c:11003) 
[ 10.861316][ T276] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 10.861526][ T276] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 10.861756][ T276] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 10.862024][ T276] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 10.862290][ T276] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 10.862548][ T276] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 10.862802][ T276] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 10.863056][ T276] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 10.863320][ T276] devlink_reload (net/devlink/dev.c:474) 
[ 10.863524][ T276] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 10.863719][ T276] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 10.863922][ T276] ? cap_capable (security/commoncap.c:131) 
[ 10.864132][ T276] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 10.864300][ T276] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 10.864515][ T276] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.864758][ T276] ? __nla_parse (lib/nlattr.c:732) 
[ 10.864984][ T276] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 10.865203][ T276] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 10.865461][ T276] ? cap_capable (security/commoncap.c:131) 
[ 10.865675][ T276] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 10.865878][ T276] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 10.866099][ T276] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 10.866297][ T276] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 10.866550][ T276] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 10.866785][ T276] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 10.867050][ T276] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 10.867247][ T276] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 10.867443][ T276] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 10.867654][ T276] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 10.867864][ T276] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 10.868019][ T276] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 10.868217][ T276] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 10.868421][ T276] genl_rcv (net/netlink/genetlink.c:1220) 
[ 10.868569][ T276] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 10.868778][ T276] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 10.868985][ T276] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 10.869207][ T276] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 10.869408][ T276] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 10.869603][ T276] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 10.869825][ T276] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 10.870041][ T276] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 10.870248][ T276] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 10.870441][ T276] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.870669][ T276] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 10.870874][ T276] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 10.871088][ T276] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 10.871345][ T276] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 10.871557][ T276] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 10.871822][ T276] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 10.872072][ T276] __x64_sys_sendto (net/socket.c:2181) 
[ 10.872287][ T276] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 10.872551][ T276] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.872762][ T276] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.873030][  T276] RIP: 0033:0x7f0d04514a4a
[ 10.873253][ T276] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   10.873954][  T276] RSP: 002b:00007ffcaaf1cab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   10.874259][  T276] RAX: ffffffffffffffda RBX: 0000000028c68b00 RCX: 00007f0d04514a4a
[   10.874550][  T276] RDX: 0000000000000040 RSI: 0000000028c68b00 RDI: 0000000000000005
[   10.874851][  T276] RBP: 0000000028c68910 R08: 00007f0d046b8200 R09: 000000000000000c
[   10.875160][  T276] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   10.875448][  T276] R13: 0000000028c68910 R14: 0000000000000000 R15: 0000000000000001
| [   11.126674][  T281] ------------[ cut here ]------------
| [ 11.127417][ T281] WARNING: CPU: 3 PID: 281 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   11.128068][  T281] Modules linked in: netdevsim
| [   11.129577][  T281] Tainted: [W]=WARN
[   11.129848][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.130356][ T281] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.130809][ T281] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   11.132103][  T281] RSP: 0018:ffffc900005671e8 EFLAGS: 00010246
[   11.132507][  T281] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   11.132962][  T281] RDX: 0000000000000000 RSI: ffff8880048f2c98 RDI: ffff88800215d080
[   11.133441][  T281] RBP: ffff8880049a8040 R08: 0000000000000000 R09: fffffbfff243d83c
[   11.133871][  T281] R10: ffffffff921ec1e7 R11: ffff88800215c5c0 R12: 0000000000000000
[   11.134395][  T281] R13: ffff8880048f2128 R14: ffff8880048f2008 R15: ffff8880048f2000
[   11.134866][  T281] FS:  00007f9963cc1800(0000) GS:ffff88802f580000(0000) knlGS:0000000000000000
[   11.135388][  T281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.135758][  T281] CR2: 00007f9963f2f733 CR3: 000000000b288002 CR4: 0000000000772ef0
[   11.136255][  T281] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   11.136692][  T281] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   11.137134][  T281] PKRU: 55555554
[   11.137364][  T281] Call Trace:
[   11.137639][  T281]  <TASK>
[ 11.137822][ T281] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.138214][ T281] ? __warn (kernel/panic.c:748) 
[ 11.138459][ T281] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.138770][ T281] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 11.139130][ T281] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 11.139397][ T281] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 11.139724][ T281] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 11.140104][ T281] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 11.140406][ T281] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 11.140685][ T281] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 11.141050][ T281] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 11.141350][ T281] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 11.141632][ T281] register_netdevice (net/core/dev.c:11003) 
[ 11.141920][ T281] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 11.142233][ T281] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 11.142549][ T281] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 11.142934][ T281] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 11.143408][ T281] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 11.143789][ T281] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 11.144257][ T281] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 11.144579][ T281] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 11.144939][ T281] devlink_reload (net/devlink/dev.c:474) 
[ 11.145266][ T281] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 11.145577][ T281] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 11.145848][ T281] ? cap_capable (security/commoncap.c:131) 
[ 11.146119][ T281] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1146 fs/file.c:1160) 
[ 11.146334][ T281] devlink_nl_reload_doit (net/devlink/dev.c:584) 
[ 11.146619][ T281] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.146956][ T281] ? __nla_parse (lib/nlattr.c:732) 
[ 11.147274][ T281] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) 
[ 11.147598][ T281] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088) 
[ 11.148115][ T281] ? cap_capable (security/commoncap.c:131) 
[ 11.148428][ T281] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 11.148794][ T281] genl_family_rcv_msg (net/netlink/genetlink.c:1195) 
[ 11.149182][ T281] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160) 
[ 11.149469][ T281] ? __pfx_devlink_nl_pre_doit_dev_lock (net/devlink/netlink.c:257) 
[ 11.149820][ T281] ? __pfx_devlink_nl_reload_doit (net/devlink/dev.c:520) 
[ 11.150209][ T281] ? __pfx_devlink_nl_post_doit_dev_lock (net/devlink/netlink.c:288) 
[ 11.150610][ T281] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211) 
[ 11.150922][ T281] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 11.151239][ T281] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) 
[ 11.151534][ T281] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 11.151834][ T281] ? genl_rcv (net/netlink/genetlink.c:1219) 
[ 11.152145][ T281] ? __pfx_down_read (kernel/locking/rwsem.c:1522) 
[ 11.152443][ T281] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 11.152738][ T281] genl_rcv (net/netlink/genetlink.c:1220) 
[ 11.152946][ T281] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 11.153263][ T281] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 11.153568][ T281] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 11.153888][ T281] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 11.154227][ T281] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 11.154523][ T281] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 11.154807][ T281] ? __might_fault (mm/memory.c:6851 mm/memory.c:6844) 
[ 11.155173][ T281] __sys_sendto (net/socket.c:709 net/socket.c:724 net/socket.c:2178) 
[ 11.155490][ T281] ? __pfx___sys_sendto (net/socket.c:2145) 
[ 11.155798][ T281] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 11.156147][ T281] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 11.156437][ T281] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 11.156782][ T281] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 11.157201][ T281] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 11.157624][ T281] ? __pfx___x64_sys_openat (fs/open.c:1454) 
[ 11.157942][ T281] __x64_sys_sendto (net/socket.c:2181) 
[ 11.158282][ T281] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 11.158637][ T281] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 11.158939][ T281] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   11.159352][  T281] RIP: 0033:0x7f9963ecda4a
[ 11.159648][ T281] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   11.160812][  T281] RSP: 002b:00007ffdd9f79108 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   11.161303][  T281] RAX: ffffffffffffffda RBX: 00000000099cab00 RCX: 00007f9963ecda4a
[   11.161731][  T281] RDX: 0000000000000040 RSI: 00000000099cab00 RDI: 0000000000000005
[   11.162195][  T281] RBP: 00000000099ca910 R08: 00007f9964071200 R09: 000000000000000c
[   11.162627][  T281] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040f200
[   11.163192][  T281] R13: 00000000099ca910 R14: 0000000000000000 R15: 0000000000000001
| [   34.696592][   T11] ------------[ cut here ]------------
| [ 34.697062][ T11] WARNING: CPU: 0 PID: 11 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   34.697488][   T11] Modules linked in: netdevsim
| [   34.698140][   T11] Tainted: [W]=WARN
[   34.698300][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.698544][   T11] Workqueue: netns cleanup_net
[ 34.698787][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 34.699049][ T11] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   34.699716][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   34.699955][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   34.700263][   T11] RDX: 0000000000000000 RSI: ffff88800207ac98 RDI: ffff888001a82e10
[   34.700546][   T11] RBP: ffffffff94323440 R08: 0000000000000000 R09: fffffbfff243d83c
[   34.700828][   T11] R10: ffffffff921ec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   34.701120][   T11] R13: ffff88800207a128 R14: ffff88800207a008 R15: ffff88800207a000
[   34.701411][   T11] FS:  0000000000000000(0000) GS:ffff88802f400000(0000) knlGS:0000000000000000
[   34.701969][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.702238][   T11] CR2: 000055732be5f208 CR3: 0000000009014002 CR4: 0000000000772ef0
[   34.702526][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   34.702819][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   34.703103][   T11] PKRU: 55555554
[   34.703246][   T11] Call Trace:
[   34.703394][   T11]  <TASK>
[ 34.703493][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 34.703689][ T11] ? __warn (kernel/panic.c:748) 
[ 34.703838][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 34.704046][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 34.704248][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 34.704399][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 34.704595][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 34.704817][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 34.705045][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 34.705276][ T11] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 34.705475][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 34.705670][ T11] register_netdevice (net/core/dev.c:11003) 
[ 34.705865][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 34.706078][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 34.706299][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 34.706545][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 34.706806][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 34.707074][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 34.707324][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 34.707572][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 34.707835][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 34.708043][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 34.708238][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 34.708439][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 34.708631][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 34.708884][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 34.709094][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 34.709304][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 34.709499][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 34.709705][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 34.709897][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 34.710116][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 34.710327][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 34.710529][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 34.710731][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 34.710941][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 34.711178][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 34.711381][ T11] kthread (kernel/kthread.c:464) 
[ 34.711533][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 34.711731][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 34.711922][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 34.712126][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 34.712318][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
| [   34.801779][   T11] ------------[ cut here ]------------
| [ 34.802448][ T11] WARNING: CPU: 2 PID: 11 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
| [   34.802960][   T11] Modules linked in: netdevsim
| [   34.803751][   T11] Tainted: [W]=WARN
[   34.803941][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.804239][   T11] Workqueue: netns cleanup_net
[ 34.804496][ T11] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 34.804818][ T11] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
All code
========
   0:	00 e8                	add    %ch,%al
   2:	a3 4a fe ff 48 8b 5c 	movabs %eax,0x58245c8b48fffe4a
   9:	24 58 
   b:	e9 87 fb ff ff       	jmp    0xfffffffffffffb97
  10:	49 8d bf 98 0c 00 00 	lea    0xc98(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 d8 33 78 00       	call   0x7833f9
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 99 00 00 00    	jne    0xc2
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	48 8b 54 24 20       	mov    0x20(%rsp),%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[   34.806402][   T11] RSP: 0018:ffffc900000b7620 EFLAGS: 00010246
[   34.806712][   T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   34.807057][   T11] RDX: 0000000000000000 RSI: ffff88800be6ac98 RDI: ffff888001a82e10
[   34.807394][   T11] RBP: ffffffff94323440 R08: 0000000000000000 R09: fffffbfff243d83c
[   34.807742][   T11] R10: ffffffff921ec1e7 R11: ffff888001a82300 R12: 0000000000000000
[   34.808085][   T11] R13: ffff88800be6a128 R14: ffff88800be6a008 R15: ffff88800be6a000
[   34.808416][   T11] FS:  0000000000000000(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   34.808797][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.809099][   T11] CR2: 00007f07759afe70 CR3: 000000000c1ba005 CR4: 0000000000772ef0
[   34.809437][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   34.809769][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   34.810129][   T11] PKRU: 55555554
[   34.810317][   T11] Call Trace:
[   34.810503][   T11]  <TASK>
[ 34.810644][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 34.810895][ T11] ? __warn (kernel/panic.c:748) 
[ 34.811227][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 34.811675][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 34.812076][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 34.812395][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 34.812772][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 34.813179][ T11] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 34.813537][ T11] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 34.813830][ T11] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 34.814083][ T11] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 34.814316][ T11] register_netdevice (net/core/dev.c:11003) 
[ 34.814551][ T11] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 34.814816][ T11] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 34.815099][ T11] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 34.815396][ T11] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 34.815707][ T11] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 34.816011][ T11] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1501) netdevsim 
[ 34.816301][ T11] ? __pfx_nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1462) netdevsim 
[ 34.816601][ T11] ? devlink_params_driverinit_load_new (net/devlink/param.c:833 (discriminator 2)) 
[ 34.816906][ T11] devlink_reload (net/devlink/dev.c:474) 
[ 34.817158][ T11] ? __pfx_devlink_reload (net/devlink/dev.c:446) 
[ 34.817391][ T11] ? devlinks_xa_find_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/devlink/core.c:343) 
[ 34.817631][ T11] devlink_pernet_pre_exit (net/devlink/core.c:288 net/devlink/devl_internal.h:114 net/devlink/core.c:513) 
[ 34.817872][ T11] ? __pfx_devlink_pernet_pre_exit (net/devlink/core.c:496) 
[ 34.818192][ T11] cleanup_net (net/core/net_namespace.c:162 net/core/net_namespace.c:632) 
[ 34.818429][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 34.818662][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) 
[ 34.818893][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 34.819142][ T11] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 34.819364][ T11] ? process_one_work (kernel/workqueue.c:3214) 
[ 34.819602][ T11] process_one_work (kernel/workqueue.c:3238) 
[ 34.819846][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 34.820098][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 34.820344][ T11] ? assign_work (kernel/workqueue.c:1200) 
[ 34.820580][ T11] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 34.821127][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 34.821374][ T11] kthread (kernel/kthread.c:464) 
[ 34.821561][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 34.821793][ T11] ? __pfx_kthread (kernel/kthread.c:413) 
[ 34.822049][ T11] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 34.822292][ T11] ? __pfx_kthread (kernel/kthread.c:413) 


Finger prints:
__netdev_update_features:register_netdevice:nsim_create:__nsim_dev_port_add:nsim_dev_reload_create
__netdev_update_features:register_netdevice:nsim_create:__nsim_dev_port_add:nsim_dev_port_add_all