======================================
| 0
| xx__-> [    9.042853][  T228] ------------[ cut here ]------------
| [ 9.043350][ T228] WARNING: CPU: 2 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) 
| [    9.043810][  T228] Modules linked in: netdevsim
[    9.044440][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.044808][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.045109][ 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
[    9.045915][  T228] RSP: 0018:ffffc900009f7520 EFLAGS: 00010246
[    9.046228][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.046608][  T228] RDX: 0000000000000000 RSI: ffff888008992c98 RDI: ffff888002152e38
[    9.046946][  T228] RBP: ffffffff8bf23440 R08: 0000000000000000 R09: fffffbfff13bd83c
[    9.047311][  T228] R10: ffffffff89dec1e7 R11: ffff888002152300 R12: 0000000000000000
[    9.047673][  T228] R13: ffff888008992128 R14: ffff888008992008 R15: ffff888008992000
[    9.048010][  T228] FS:  00007f1e51b10740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[    9.048435][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.048726][  T228] CR2: 0000558e3d53e098 CR3: 0000000002140006 CR4: 0000000000772ef0
[    9.049069][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.049420][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.049763][  T228] PKRU: 55555554
[    9.049948][  T228] Call Trace:
[    9.050132][  T228]  <TASK>
[ 9.050275][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.050516][ T228] ? __warn (kernel/panic.c:748) 
[ 9.050702][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.050936][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.051199][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.051400][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.051635][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.051882][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.052128][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.052432][ 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) 
[ 9.052681][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.052912][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.053152][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.053402][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.053667][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.053962][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.054160][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.054500][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.054795][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.055090][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.055350][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.055640][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.055878][ 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)) 
[ 9.056059][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.056315][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.056558][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.056795][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.057029][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.057273][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.057582][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.057818][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.058049][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.058296][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.058528][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.058767][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.059004][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.059263][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.059502][ 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) 
[ 9.059743][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.059982][ T228] device_add (drivers/base/core.c:3672) 
[ 9.060233][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.060468][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.060718][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.061010][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.061319][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.061547][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.061779][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.062008][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.062255][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.062442][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.062675][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.062903][ 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) 
[ 9.063142][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.063408][ T228] ksys_write (fs/read_write.c:731) 
[ 9.063593][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.063824][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.064071][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.064328][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.064614][  T228] RIP: 0033:0x7f1e51c51b77
[ 9.064859][ 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
[    9.065652][  T228] RSP: 002b:00007ffc43a6adc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.065993][  T228] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1e51c51b77
[    9.066344][  T228] RDX: 0000000000000004 RSI: 000055ff566c57a0 RDI: 0000000000000001
[    9.066677][  T228] RBP: 000055ff566c57a0 R08: 0000000000000003 R09: 0000000000000000
[    9.067032][  T228] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000004
[    9.067383][  T228] R13: 00007f1e51d0d760 R14: 0000000000000004 R15: 00007f1e51d089c0
| [    9.096644][  T228] ------------[ cut here ]------------
| [ 9.097112][ T228] WARNING: CPU: 2 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) 
| [    9.097651][  T228] Modules linked in: netdevsim
| [    9.098302][  T228] Tainted: [W]=WARN
[    9.098501][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.098818][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.099111][ 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
[    9.099898][  T228] RSP: 0018:ffffc900009f7520 EFLAGS: 00010246
[    9.100198][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.100541][  T228] RDX: 0000000000000000 RSI: ffff88800a7eac98 RDI: ffff888002152e38
[    9.100877][  T228] RBP: ffffffff8bf23440 R08: 0000000000000000 R09: fffffbfff13bd83c
[    9.101257][  T228] R10: ffffffff89dec1e7 R11: ffff888002152300 R12: 0000000000000000
[    9.101597][  T228] R13: ffff88800a7ea128 R14: ffff88800a7ea008 R15: ffff88800a7ea000
[    9.101939][  T228] FS:  00007f1e51b10740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[    9.102341][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.102627][  T228] CR2: 0000558e3d53e098 CR3: 0000000002140006 CR4: 0000000000772ef0
[    9.102966][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.103317][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.103652][  T228] PKRU: 55555554
[    9.103833][  T228] Call Trace:
[    9.104030][  T228]  <TASK>
[ 9.104179][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.104414][ T228] ? __warn (kernel/panic.c:748) 
[ 9.104596][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.104832][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.105077][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.105271][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.105500][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.105752][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.105996][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.106298][ 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) 
[ 9.106534][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.106773][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.107012][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.107264][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.107512][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.107807][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.107989][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.108358][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.108657][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.108952][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.109209][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.109500][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.109734][ 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)) 
[ 9.109919][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.110159][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.110408][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.110642][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.110878][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.111113][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.111402][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.111638][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.111868][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.112099][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.112339][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.112577][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.112806][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.113035][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.113283][ 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) 
[ 9.113521][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.113755][ T228] device_add (drivers/base/core.c:3672) 
[ 9.113989][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.114236][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.114483][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.114780][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.115080][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.115322][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.115560][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.115791][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.116028][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.116234][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.116470][ T228] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 9.116717][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.116955][ T228] ksys_write (fs/read_write.c:731) 
[ 9.117139][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.117393][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.117629][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.117914][  T228] RIP: 0033:0x7f1e51c51b77
[ 9.118149][ 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
[    9.118953][  T228] RSP: 002b:00007ffc43a6adc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.119304][  T228] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1e51c51b77
[    9.119649][  T228] RDX: 0000000000000004 RSI: 000055ff566c57a0 RDI: 0000000000000001
[    9.119979][  T228] RBP: 000055ff566c57a0 R08: 0000000000000000 R09: 00007f1e51cc44e0
[    9.120319][  T228] R10: 00007f1e51cc43e0 R11: 0000000000000246 R12: 0000000000000004


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