======================================
| 0
| xx__-> [    9.491663][  T227] ------------[ cut here ]------------
| [ 9.492264][ T227] WARNING: CPU: 2 PID: 227 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) 
| [    9.492725][  T227] Modules linked in: netdevsim
[    9.493372][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.493663][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.493965][ T227] 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
[    9.494737][  T227] RSP: 0018:ffffc90000b67520 EFLAGS: 00010246
[    9.495022][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.495363][  T227] RDX: 0000000000000000 RSI: ffff888002952c98 RDI: ffff88800bc78b78
[    9.495684][  T227] RBP: ffffffff92523440 R08: 0000000000000000 R09: fffffbfff207d83c
[    9.496008][  T227] R10: ffffffff903ec1e7 R11: ffff88800bc78040 R12: 0000000000000000
[    9.496345][  T227] R13: ffff888002952128 R14: ffff888002952008 R15: ffff888002952000
[    9.496668][  T227] FS:  00007fed888eb740(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[    9.497059][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.497386][  T227] CR2: 00005569f8a5e7a8 CR3: 000000000bd04004 CR4: 0000000000772ef0
[    9.497715][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.498040][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.498379][  T227] PKRU: 55555554
[    9.498555][  T227] Call Trace:
[    9.498727][  T227]  <TASK>
[ 9.498851][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.499077][ T227] ? __warn (kernel/panic.c:748) 
[ 9.499266][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.499493][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.499721][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.499894][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.500123][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.500363][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.500595][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.500874][ T227] ? _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) 
[ 9.501119][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.501356][ T227] register_netdevice (net/core/dev.c:11003) 
[ 9.501593][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.501831][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.502079][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.502420][ T227] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.502606][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.502910][ T227] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.503216][ T227] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.503508][ T227] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.503761][ T227] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.504052][ T227] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.504306][ T227] ? 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)) 
[ 9.504491][ T227] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.504730][ T227] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.504969][ T227] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.505218][ T227] driver_probe_device (drivers/base/dd.c:830) 
[ 9.505448][ T227] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.505683][ T227] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.505959][ T227] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.506211][ T227] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.506437][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.506671][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.506899][ T227] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.507172][ T227] __device_attach (drivers/base/dd.c:1030) 
[ 9.507412][ T227] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.507642][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.507879][ T227] ? 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) 
[ 9.508137][ T227] bus_probe_device (drivers/base/bus.c:537) 
[ 9.508374][ T227] device_add (drivers/base/core.c:3672) 
[ 9.508609][ T227] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.508839][ T227] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.509078][ T227] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.509391][ T227] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.509689][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.509921][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.510170][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.510401][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.510636][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.510826][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.511060][ T227] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 9.511303][ T227] ? 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) 
[ 9.511640][ T227] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 9.512021][ T227] ksys_write (fs/read_write.c:731) 
[ 9.512333][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.512699][ T227] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 9.513082][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.513474][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.513939][  T227] RIP: 0033:0x7fed88a2cb77
[ 9.514344][ T227] 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
[    9.515573][  T227] RSP: 002b:00007ffe5cd26148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.516140][  T227] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fed88a2cb77
[    9.516680][  T227] RDX: 0000000000000004 RSI: 00005569f8a5d7a0 RDI: 0000000000000001
[    9.517243][  T227] RBP: 00005569f8a5d7a0 R08: 0000000000000003 R09: 0000000000000000
[    9.517650][  T227] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000004
[    9.517992][  T227] R13: 00007fed88ae8760 R14: 0000000000000004 R15: 00007fed88ae39c0
| [    9.547586][  T227] ------------[ cut here ]------------
| [ 9.547982][ T227] WARNING: CPU: 2 PID: 227 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) 
| [    9.548464][  T227] Modules linked in: netdevsim
| [    9.549216][  T227] Tainted: [W]=WARN
[    9.549422][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.549691][ T227] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.549967][ T227] 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
[    9.550718][  T227] RSP: 0018:ffffc90000b67520 EFLAGS: 00010246
[    9.550997][  T227] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[    9.551331][  T227] RDX: 0000000000000000 RSI: ffff88800bd4ac98 RDI: ffff88800bc78b78
[    9.551653][  T227] RBP: ffffffff92523440 R08: 0000000000000000 R09: fffffbfff207d83c
[    9.551966][  T227] R10: ffffffff903ec1e7 R11: ffff88800bc78040 R12: 0000000000000000
[    9.552304][  T227] R13: ffff88800bd4a128 R14: ffff88800bd4a008 R15: ffff88800bd4a000
[    9.552625][  T227] FS:  00007fed888eb740(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[    9.552989][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.553278][  T227] CR2: 00007ffc585b2fb0 CR3: 000000000bd04004 CR4: 0000000000772ef0
[    9.553594][  T227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    9.553925][  T227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    9.554265][  T227] PKRU: 55555554
[    9.554435][  T227] Call Trace:
[    9.554601][  T227]  <TASK>
[ 9.554721][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.554940][ T227] ? __warn (kernel/panic.c:748) 
[ 9.555138][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.555363][ T227] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 9.555588][ T227] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 9.555837][ T227] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 9.556066][ T227] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 9.556326][ T227] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) 
[ 9.556569][ T227] ? __pfx___netdev_update_features (net/core/dev.c:10559) 
[ 9.556861][ T227] ? _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) 
[ 9.557106][ T227] ? netdev_register_kobject (net/core/net-sysfs.c:2344) 
[ 9.557347][ T227] register_netdevice (net/core/dev.c:11003) 
[ 9.557586][ T227] ? __pfx_register_netdevice (net/core/dev.c:10881) 
[ 9.557829][ T227] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim 
[ 9.558075][ T227] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim 
[ 9.558381][ T227] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 9.558560][ T227] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim 
[ 9.558856][ T227] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 9.559164][ T227] nsim_dev_port_add_all (drivers/net/netdevsim/dev.c:1449) netdevsim 
[ 9.559459][ T227] nsim_drv_probe (drivers/net/netdevsim/dev.c:1607) netdevsim 
[ 9.559701][ T227] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim 
[ 9.559989][ T227] ? kernfs_create_link (fs/kernfs/symlink.c:48) 
[ 9.560236][ T227] ? 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)) 
[ 9.560416][ T227] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) 
[ 9.560656][ T227] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) 
[ 9.560896][ T227] __driver_probe_device (drivers/base/dd.c:800) 
[ 9.561141][ T227] driver_probe_device (drivers/base/dd.c:830) 
[ 9.561373][ T227] __device_attach_driver (drivers/base/dd.c:959) 
[ 9.561609][ T227] ? __pfx___device_attach_driver (drivers/base/dd.c:922) 
[ 9.561884][ T227] bus_for_each_drv (drivers/base/bus.c:462) 
[ 9.562130][ T227] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) 
[ 9.562357][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.562593][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.562820][ T227] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 9.563058][ T227] __device_attach (drivers/base/dd.c:1030) 
[ 9.563302][ T227] ? __pfx___device_attach (drivers/base/dd.c:1001) 
[ 9.563537][ T227] ? bus_to_subsys (drivers/base/bus.c:85) 
[ 9.563774][ T227] ? 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) 
[ 9.564135][ T227] bus_probe_device (drivers/base/bus.c:537) 
[ 9.564545][ T227] device_add (drivers/base/core.c:3672) 
[ 9.564911][ T227] ? __pfx_device_add (drivers/base/core.c:3548) 
[ 9.565237][ T227] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) 
[ 9.565621][ T227] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim 
[ 9.566061][ T227] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim 
[ 9.566522][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.566892][ T227] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) 
[ 9.567278][ T227] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) 
[ 9.567636][ T227] kernfs_fop_write_iter (fs/kernfs/file.c:334) 
[ 9.568015][ T227] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 9.568332][ T227] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 9.568715][ T227] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 9.569122][ T227] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 9.569527][ T227] ksys_write (fs/read_write.c:731) 
[ 9.569805][ T227] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 9.570216][ T227] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 9.570591][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[    9.571031][  T227] RIP: 0033:0x7fed88a2cb77
[ 9.571426][ T227] 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
[    9.572671][  T227] RSP: 002b:00007ffe5cd26148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    9.573235][  T227] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fed88a2cb77
[    9.573776][  T227] RDX: 0000000000000004 RSI: 00005569f8a5d7a0 RDI: 0000000000000001
[    9.574328][  T227] RBP: 00005569f8a5d7a0 R08: 0000000000000000 R09: 00007fed88a9f4e0
[    9.574868][  T227] R10: 00007fed88a9f3e0 R11: 0000000000000246 R12: 0000000000000004


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