======================================
| 0
| xx__-> [    9.649418][  T228] ------------[ cut here ]------------
| [ 9.649942][ 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) 
| [    9.650678][  T228] Modules linked in: netdevsim
[    9.651357][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.651669][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.651987][ 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
[    9.652854][  T228] RSP: 0018:ffffc90000b37520 EFLAGS: 00010246
[    9.653187][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.653559][  T228] RDX: 0000000000000000 RSI: ffff88800b732c98 RDI: ffff888009540b78
[    9.653945][  T228] RBP: ffffffffbaf23440 R08: 0000000000000000 R09: fffffbfff71bd83c
[    9.654323][  T228] R10: ffffffffb8dec1e7 R11: ffff888009540040 R12: 0000000000000000
[    9.654692][  T228] R13: ffff88800b732128 R14: ffff88800b732008 R15: ffff88800b732000
[    9.655052][  T228] FS:  00007f6f0b78d740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[    9.655528][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.655847][  T228] CR2: 000055fb698e27a8 CR3: 00000000050f6003 CR4: 0000000000772ef0
[    9.656229][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.656592][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.656960][  T228] PKRU: 55555554
[    9.657168][  T228] Call Trace:
[    9.657366][  T228]  <TASK>
[ 9.657505][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.657765][ T228] ? __warn (kernel/panic.c:748) 
[ 9.657966][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.658232][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.658494][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.658681][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.658928][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.659203][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.659500][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.659811][ 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) 
[ 9.660058][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.660323][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.660580][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.660839][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.661109][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.661423][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.661615][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.661934][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.662268][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.662583][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.662836][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.663152][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.663445][ 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)) 
[ 9.663637][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.663887][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.664150][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.664393][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.664636][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.664877][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.665189][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.665433][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.665674][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.665919][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.666168][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.666416][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.666648][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.666889][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.667145][ 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) 
[ 9.667430][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.667679][ T228] device_add (drivers/base/core.c:3672) 
[ 9.667930][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.668176][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.668445][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.668761][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.669064][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.669310][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.669555][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.669786][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.670027][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.670232][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.670474][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.670704][ 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) 
[ 9.670946][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.671196][ T228] ksys_write (fs/read_write.c:731) 
[ 9.671414][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.671652][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.671900][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.672161][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.672444][  T228] RIP: 0033:0x7f6f0b8ceb77
[ 9.672694][ 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
[    9.673473][  T228] RSP: 002b:00007ffd54afc448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.673833][  T228] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6f0b8ceb77
[    9.674183][  T228] RDX: 0000000000000004 RSI: 000055fb698e17a0 RDI: 0000000000000001
[    9.674539][  T228] RBP: 000055fb698e17a0 R08: 0000000000000003 R09: 0000000000000000
[    9.674886][  T228] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000004
[    9.675253][  T228] R13: 00007f6f0b98a760 R14: 0000000000000004 R15: 00007f6f0b9859c0
| [    9.698656][  T228] ------------[ cut here ]------------
| [ 9.699027][ 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) 
| [    9.699511][  T228] Modules linked in: netdevsim
| [    9.700311][  T228] Tainted: [W]=WARN
[    9.700532][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.700836][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.701158][ 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
[    9.701997][  T228] RSP: 0018:ffffc90000b37520 EFLAGS: 00010246
[    9.702338][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.702702][  T228] RDX: 0000000000000000 RSI: ffff88800a81ac98 RDI: ffff888009540b78
[    9.703115][  T228] RBP: ffffffffbaf23440 R08: 0000000000000000 R09: fffffbfff71bd83c
[    9.703488][  T228] R10: ffffffffb8dec1e7 R11: ffff888009540040 R12: 0000000000000000
[    9.703862][  T228] R13: ffff88800a81a128 R14: ffff88800a81a008 R15: ffff88800a81a000
[    9.704246][  T228] FS:  00007f6f0b78d740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[    9.704712][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.705030][  T228] CR2: 000055fb698e27a8 CR3: 00000000050f6003 CR4: 0000000000772ef0
[    9.705412][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.705782][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.706164][  T228] PKRU: 55555554
[    9.706386][  T228] Call Trace:
[    9.706586][  T228]  <TASK>
[ 9.706719][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.706972][ T228] ? __warn (kernel/panic.c:748) 
[ 9.707182][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.707439][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.707695][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.707894][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.708153][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.708458][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.708723][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.709037][ 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) 
[ 9.709314][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.709567][ T228] register_netdevice (net/core/dev.c:11003) 
[ 9.709826][ T228] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.710093][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.710361][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.710667][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.710861][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.711184][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.711497][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.711805][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.712064][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.712418][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.712669][ 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)) 
[ 9.712857][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.713124][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.713380][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.713630][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.713871][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.714123][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.714446][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.714689][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.714919][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.715178][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.715419][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.715666][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.715907][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.716157][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.716430][ 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) 
[ 9.716690][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.716940][ T228] device_add (drivers/base/core.c:3672) 
[ 9.717191][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.717435][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.717682][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.717980][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.718315][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.718570][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.718809][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.719050][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.719306][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.719502][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.719745][ T228] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 9.719997][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.720272][ T228] ksys_write (fs/read_write.c:731) 
[ 9.720483][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.720737][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.720980][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.721282][  T228] RIP: 0033:0x7f6f0b8ceb77
[ 9.721528][ 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
[    9.722350][  T228] RSP: 002b:00007ffd54afc448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.722706][  T228] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6f0b8ceb77
[    9.723053][  T228] RDX: 0000000000000004 RSI: 000055fb698e17a0 RDI: 0000000000000001
[    9.723404][  T228] RBP: 000055fb698e17a0 R08: 0000000000000000 R09: 00007f6f0b9414e0
[    9.723750][  T228] R10: 00007f6f0b9413e0 R11: 0000000000000246 R12: 0000000000000004


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