======================================
| [   11.963473][  T231] netconsole: network logging started
| [   12.968039][  T219] ------------[ cut here ]------------
| [ 12.968576][ T219] WARNING: CPU: 2 PID: 219 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) 
| [   12.969169][  T219] Modules linked in: netconsole netdevsim
[   12.969813][  T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.970111][ T219] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.970487][ T219] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 90 0c 00 00 be ff ff ff ff e8 08 e9 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 90 0c 00 00 	lea    0xc90(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 08 e9 78 00       	call   0x78e929
  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
[   12.971312][  T219] RSP: 0018:ffffc90000a97548 EFLAGS: 00010246
[   12.971623][  T219] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   12.971997][  T219] RDX: 0000000000000000 RSI: ffff8880096c2c90 RDI: ffff8880061550f8
[   12.972364][  T219] RBP: ffffffff92128600 R08: 0000000000000000 R09: fffffbfff1ffd944
[   12.972737][  T219] R10: ffffffff8ffeca27 R11: ffff8880061545c0 R12: 0000000000000000
[   12.973125][  T219] R13: ffff8880096c2128 R14: ffff8880096c2008 R15: ffff8880096c2000
[   12.973476][  T219] FS:  00007f06d0e54740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   12.974229][  T219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.974523][  T219] CR2: 00007f06d1008733 CR3: 000000000a6a0005 CR4: 0000000000772ef0
[   12.974883][  T219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   12.975276][  T219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   12.975611][  T219] PKRU: 55555554
[   12.975811][  T219] Call Trace:
[   12.976002][  T219]  <TASK>
[ 12.976152][ T219] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.976422][ T219] ? __warn (kernel/panic.c:748) 
[ 12.976613][ T219] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.976854][ T219] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 12.977102][ T219] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 12.977373][ T219] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 12.977618][ T219] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 12.977874][ T219] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 12.978108][ T219] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 12.978398][ T219] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 12.978685][ T219] ? _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) 
[ 12.978977][ T219] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 12.979236][ T219] register_netdevice (net/core/dev.c:11003) 
[ 12.979548][ T219] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 12.979816][ T219] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 12.980066][ T219] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 12.980390][ T219] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 12.980684][ T219] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 12.980973][ T219] nsim_drv_probe (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 12.981261][ T219] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 12.981538][ T219] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 12.981775][ T219] ? 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)) 
[ 12.981947][ T219] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 12.982250][ T219] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 12.982509][ T219] __driver_probe_device (drivers/base/dd.c:800) 
[ 12.982739][ T219] driver_probe_device (drivers/base/dd.c:830) 
[ 12.983006][ T219] __device_attach_driver (drivers/base/dd.c:959) 
[ 12.983269][ T219] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 12.983563][ T219] bus_for_each_drv (drivers/base/bus.c:462) 
[ 12.983830][ T219] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 12.984090][ T219] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 12.984349][ T219] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 12.984571][ T219] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 12.984825][ T219] __device_attach (drivers/base/dd.c:1030) 
[ 12.985069][ T219] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 12.985361][ T219] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 12.985597][ T219] ? 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) 
[ 12.985869][ T219] bus_probe_device (drivers/base/bus.c:537) 
[ 12.986134][ T219] device_add (drivers/base/core.c:3672) 
[ 12.986404][ T219] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 12.986645][ T219] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 12.986891][ T219] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 12.987198][ T219] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 12.987496][ T219] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 12.987741][ T219] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 12.987976][ T219] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 12.988238][ T219] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 12.988478][ T219] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 12.988661][ T219] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 12.988886][ T219] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 12.989110][ T219] ? 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) 
[ 12.989351][ T219] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 12.989581][ T219] ksys_write (fs/read_write.c:731) 
[ 12.989753][ T219] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 12.989980][ T219] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 12.990251][ T219] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 12.990477][ T219] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   12.990746][  T219] RIP: 0033:0x7f06d0f95b77
[ 12.990988][ T219] 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
[   12.991742][  T219] RSP: 002b:00007fff32874a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   12.992076][  T219] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f06d0f95b77
[   12.992408][  T219] RDX: 0000000000000004 RSI: 000055c4ecdcee20 RDI: 0000000000000001
[   12.992745][  T219] RBP: 000055c4ecdcee20 R08: 0000000000000000 R09: 00007f06d10084e0
[   12.993101][  T219] R10: 00007f06d10083e0 R11: 0000000000000246 R12: 0000000000000004
[   12.993435][  T219] R13: 00007f06d1051760 R14: 0000000000000004 R15: 00007f06d104c9c0
| [   13.015653][  T219] ------------[ cut here ]------------
| [ 13.016111][ T219] WARNING: CPU: 3 PID: 219 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) 
| [   13.016648][  T219] Modules linked in: netconsole netdevsim
| [   13.017399][  T219] Tainted: [W]=WARN
[   13.017595][  T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 13.017890][ T219] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.018329][ T219] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 90 0c 00 00 be ff ff ff ff e8 08 e9 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 90 0c 00 00 	lea    0xc90(%r15),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 08 e9 78 00       	call   0x78e929
  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
[   13.019082][  T219] RSP: 0018:ffffc90000a97548 EFLAGS: 00010246
[   13.019427][  T219] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[   13.019808][  T219] RDX: 0000000000000000 RSI: ffff88800b35ac90 RDI: ffff8880061550f8
[   13.020183][  T219] RBP: ffffffff92128600 R08: 0000000000000000 R09: fffffbfff1ffd944
[   13.020568][  T219] R10: ffffffff8ffeca27 R11: ffff8880061545c0 R12: 0000000000000000
[   13.020923][  T219] R13: ffff88800b35a128 R14: ffff88800b35a008 R15: ffff88800b35a000
[   13.021277][  T219] FS:  00007f06d0e54740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   13.021634][  T219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.021897][  T219] CR2: 000055ab67110888 CR3: 000000000a6a0004 CR4: 0000000000772ef0
[   13.022212][  T219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   13.022518][  T219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   13.022865][  T219] PKRU: 55555554
[   13.023022][  T219] Call Trace:
[   13.023452][  T219]  <TASK>
[ 13.023562][ T219] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.023773][ T219] ? __warn (kernel/panic.c:748) 
[ 13.023935][ T219] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.024152][ T219] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 13.024375][ T219] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 13.024534][ T219] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 13.024747][ T219] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 13.024977][ T219] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 13.025203][ T219] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) 
[ 13.025420][ T219] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 13.025687][ T219] ? _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) 
[ 13.025899][ T219] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 13.026118][ T219] register_netdevice (net/core/dev.c:11003) 
[ 13.026348][ T219] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 13.026581][ T219] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 13.026809][ T219] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 13.027079][ T219] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 13.027376][ T219] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim 
[ 13.027655][ T219] nsim_drv_probe (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 13.027888][ T219] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 13.028162][ T219] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 13.028384][ T219] ? 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)) 
[ 13.028544][ T219] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 13.028761][ T219] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 13.028982][ T219] __driver_probe_device (drivers/base/dd.c:800) 
[ 13.029213][ T219] driver_probe_device (drivers/base/dd.c:830) 
[ 13.029436][ T219] __device_attach_driver (drivers/base/dd.c:959) 
[ 13.029652][ T219] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 13.029909][ T219] bus_for_each_drv (drivers/base/bus.c:462) 
[ 13.030118][ T219] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 13.030369][ T219] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 13.030585][ T219] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 13.030799][ T219] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 13.031029][ T219] __device_attach (drivers/base/dd.c:1030) 
[ 13.031279][ T219] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 13.031484][ T219] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 13.031692][ T219] ? 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) 
[ 13.031923][ T219] bus_probe_device (drivers/base/bus.c:537) 
[ 13.032134][ T219] device_add (drivers/base/core.c:3672) 
[ 13.032358][ T219] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 13.032565][ T219] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 13.032802][ T219] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 13.033074][ T219] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 13.033355][ T219] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 13.033559][ T219] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 13.033773][ T219] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 13.033979][ T219] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 13.034215][ T219] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 13.034387][ T219] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 13.034808][ T219] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 13.035033][ T219] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 13.035398][ T219] ksys_write (fs/read_write.c:731) 
[ 13.035562][ T219] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 13.035779][ T219] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 13.035986][ T219] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   13.036513][  T219] RIP: 0033:0x7f06d0f95b77
[ 13.036727][ T219] 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
[   13.037449][  T219] RSP: 002b:00007fff32874ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   13.037771][  T219] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f06d0f95b77
[   13.038066][  T219] RDX: 0000000000000004 RSI: 000055c4ecdcee20 RDI: 0000000000000001
[   13.038382][  T219] RBP: 000055c4ecdcee20 R08: 0000000000000000 R09: 00007f06d10084e0
[   13.038681][  T219] R10: 00007f06d10083e0 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
__netdev_update_features:register_netdevice:nsim_create:__nsim_dev_port_add:nsim_drv_probe