======================================
| 0
| xx__-> [    9.885392][  T228] ------------[ cut here ]------------
| [ 9.885883][ 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:10596) 
| [    9.886376][  T228] Modules linked in: netdevsim
[    9.887102][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.887441][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.887753][ T228] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[    9.888577][  T228] RSP: 0018:ffffc90000b47520 EFLAGS: 00010246
[    9.888891][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.889260][  T228] RDX: 0000000000000000 RSI: ffff88800243ac98 RDI: ffff88800ae32e38
[    9.889620][  T228] RBP: ffffffff8b724440 R08: 0000000000000000 R09: fffffbfff12bd844
[    9.889977][  T228] R10: ffffffff895ec227 R11: ffff88800ae32300 R12: 0000000000000000
[    9.890397][  T228] R13: ffff88800243a128 R14: ffff88800243a008 R15: ffff88800243a000
[    9.890804][  T228] FS:  00007fabe3ebf740(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[    9.891226][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.891532][  T228] CR2: 000055b7029547a8 CR3: 000000000997e001 CR4: 0000000000772ef0
[    9.891887][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.892254][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.892610][  T228] PKRU: 55555554
[    9.892804][  T228] Call Trace:
[    9.893005][  T228]  <TASK>
[ 9.893145][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.893394][ T228] ? __warn (kernel/panic.c:748) 
[ 9.893589][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.893834][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.894097][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.894290][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.894533][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.894801][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.895065][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 9.895373][ 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) 
[ 9.895627][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.895875][ T228] register_netdevice (net/core/dev.c:11033) 
[ 9.896137][ T228] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 9.896396][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.896657][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.896964][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.897163][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.897477][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.897783][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.898125][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.898383][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.898698][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.898950][ 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)) 
[ 9.899157][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.899408][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.899660][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.899906][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.900162][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.900411][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.900704][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.900952][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.901203][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.901443][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.901683][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.901933][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.902181][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.902422][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.902667][ 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) 
[ 9.902920][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.903172][ T228] device_add (drivers/base/core.c:3672) 
[ 9.903422][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.903665][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.903920][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.904240][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.904554][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.904790][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.905047][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.905288][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.905536][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.905728][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.905964][ T228] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.906206][ 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) 
[ 9.906456][ T228] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.906699][ T228] ksys_write (fs/read_write.c:731) 
[ 9.906882][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.907125][ T228] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.907369][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.907610][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.907897][  T228] RIP: 0033:0x7fabe4000b77
[ 9.908156][ 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
[    9.908945][  T228] RSP: 002b:00007ffe9b5d0198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.909307][  T228] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fabe4000b77
[    9.909663][  T228] RDX: 0000000000000004 RSI: 000055b7029537a0 RDI: 0000000000000001
[    9.910018][  T228] RBP: 000055b7029537a0 R08: 0000000000000003 R09: 0000000000000000
[    9.910362][  T228] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000004
[    9.910710][  T228] R13: 00007fabe40bc760 R14: 0000000000000004 R15: 00007fabe40b79c0
| [    9.936966][  T228] ------------[ cut here ]------------
| [ 9.937380][ 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:10596) 
| [    9.937900][  T228] Modules linked in: netdevsim
| [    9.938555][  T228] Tainted: [W]=WARN
[    9.938769][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.939053][ T228] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.939333][ T228] Code: 00 e8 b3 48 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 b8 56 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:	b3 48                	mov    $0x48,%bl
   4:	fe                   	(bad)
   5:	ff 48 8b             	decl   -0x75(%rax)
   8:	5c                   	pop    %rsp
   9:	24 58                	and    $0x58,%al
   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 b8 56 78 00       	call   0x7856d9
  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
[    9.940102][  T228] RSP: 0018:ffffc90000b47520 EFLAGS: 00010246
[    9.940380][  T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.940704][  T228] RDX: 0000000000000000 RSI: ffff88800af42c98 RDI: ffff88800ae32e38
[    9.941039][  T228] RBP: ffffffff8b724440 R08: 0000000000000000 R09: fffffbfff12bd844
[    9.941368][  T228] R10: ffffffff895ec227 R11: ffff88800ae32300 R12: 0000000000000000
[    9.941692][  T228] R13: ffff88800af42128 R14: ffff88800af42008 R15: ffff88800af42000
[    9.942031][  T228] FS:  00007fabe3ebf740(0000) GS:ffff88802f480000(0000) knlGS:0000000000000000
[    9.942410][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.942684][  T228] CR2: 000055bebcf15a18 CR3: 000000000997e001 CR4: 0000000000772ef0
[    9.943026][  T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.943350][  T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.943675][  T228] PKRU: 55555554
[    9.943842][  T228] Call Trace:
[    9.944018][  T228]  <TASK>
[ 9.944132][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.944359][ T228] ? __warn (kernel/panic.c:748) 
[ 9.944534][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.944757][ T228] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.944999][ T228] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.945170][ T228] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.945389][ T228] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.945624][ T228] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10596) 
[ 9.945861][ T228] ? __pfx___netdev_update_features (net/core/dev.c:10589) 
[ 9.946141][ 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) 
[ 9.946369][ T228] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.946590][ T228] register_netdevice (net/core/dev.c:11033) 
[ 9.946857][ T228] ? __pfx_register_netdevice (net/core/dev.c:10911) 
[ 9.947094][ T228] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.947324][ T228] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.947597][ T228] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.947760][ T228] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.948045][ T228] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.948314][ T228] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.948584][ T228] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.948813][ T228] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.949096][ T228] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.949314][ 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)) 
[ 9.949473][ T228] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.949688][ T228] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.949908][ T228] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.950130][ T228] driver_probe_device (drivers/base/dd.c:830) 
[ 9.950342][ T228] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.950557][ T228] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.950810][ T228] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.951031][ T228] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.951238][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.951449][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.951654][ T228] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.951868][ T228] __device_attach (drivers/base/dd.c:1030) 
[ 9.952094][ T228] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.952301][ T228] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.952508][ 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) 
[ 9.952725][ T228] bus_probe_device (drivers/base/bus.c:537) 
[ 9.952939][ T228] device_add (drivers/base/core.c:3672) 
[ 9.953167][ T228] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.953374][ T228] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.953602][ T228] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.953868][ T228] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.954151][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.954358][ T228] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.954574][ T228] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.954780][ T228] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.955004][ T228] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.955178][ T228] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.955393][ T228] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 9.955612][ T228] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.955829][ T228] ksys_write (fs/read_write.c:731) 
[ 9.956005][ T228] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.956226][ T228] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.956437][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.956698][  T228] RIP: 0033:0x7fabe4000b77
[ 9.956914][ 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
[    9.957722][  T228] RSP: 002b:00007ffe9b5d0198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.958046][  T228] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fabe4000b77
[    9.958360][  T228] RDX: 0000000000000004 RSI: 000055b7029537a0 RDI: 0000000000000001
[    9.958671][  T228] RBP: 000055b7029537a0 R08: 0000000000000000 R09: 00007fabe40734e0
[    9.959008][  T228] R10: 00007fabe40733e0 R11: 0000000000000246 R12: 0000000000000004


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