======================================
| [   21.313180][  T324] ip_gre: GRE over IPv4 tunneling driver
| [   21.361446][  T323] ------------[ cut here ]------------
| [ 21.362866][ T323] WARNING: CPU: 1 PID: 323 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.363516][  T323] Modules linked in: ip_gre gre vrf veth
[   21.364946][  T323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.365333][ T323] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.365748][ T323] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.366869][  T323] RSP: 0018:ffffc900007f7000 EFLAGS: 00010246
[   21.367289][  T323] RAX: 0000000000000000 RBX: ffff88800cb9c000 RCX: 0000000000000001
[   21.367765][  T323] RDX: 0000000000000000 RSI: ffffffffad09b939 RDI: ffffffffac8555e0
[   21.368233][  T323] RBP: ffffc900007f70e8 R08: ffff88800cb9c218 R09: 0000000000000000
[   21.368912][  T323] R10: ffffc900007f7118 R11: ffffffffad579160 R12: 1ffff920000fee04
[   21.369377][  T323] R13: 000000000000ffe7 R14: ffffc900007f7118 R15: ffff88800cb9c218
[   21.369867][  T323] FS:  00007f0bed00c800(0000) GS:ffff888087137000(0000) knlGS:0000000000000000
[   21.370413][  T323] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.370819][  T323] CR2: 00007fe307979000 CR3: 0000000006146006 CR4: 0000000000772ef0
[   21.371308][  T323] PKRU: 55555554
[   21.371554][  T323] Call Trace:
[   21.371798][  T323]  <TASK>
[ 21.371955][ T323] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.372344][ T323] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.372656][ T323] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.372987][ T323] netif_set_mtu (net/core/dev.c:9652) 
[ 21.373298][ T323] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.373633][ T323] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.373874][ T323] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.374190][ T323] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.374504][ T323] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.374821][ T323] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.375198][ T323] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.375511][ T323] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.375842][ T323] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 21.376156][ T323] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.376462][ T323] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.376774][ T323] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.377078][ T323] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.377386][ T323] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.377697][ T323] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.378022][ T323] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.378354][ T323] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.378670][ T323] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.379001][ T323] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.379302][ T323] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.379608][ T323] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.379935][ T323] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.380243][ T323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.380554][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.380873][ T323] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.381186][ T323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.381490][ T323] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.381829][ T323] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.382148][ T323] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.382454][ T323] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.382776][ T323] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.383086][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.383400][ T323] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.383722][ T323] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.384042][ T323] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.384352][ T323] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.384660][ T323] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.384979][ T323] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.385376][ T323] ___sys_sendmsg (net/socket.c:2670) 
[ 21.385695][ T323] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.386036][ T323] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.386431][ T323] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.386765][ T323] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.387087][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.387415][ T323] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.387743][ T323] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.388075][ T323] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.388401][ T323] __sys_sendmsg (net/socket.c:2700) 
[ 21.388735][ T323] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.389155][ T323] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.389488][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.389827][ T323] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.390149][ T323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.390561][  T323] RIP: 0033:0x7f0bed1d91e7
[ 21.390911][ T323] Code: Unable to access opcode bytes at 0x7f0bed1d91bd.

Code starting with the faulting instruction
===========================================
[   21.391323][  T323] RSP: 002b:00007ffc2c09d1d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.391814][  T323] RAX: ffffffffffffffda RBX: 00007ffc2c09d900 RCX: 00007f0bed1d91e7
[   21.392293][  T323] RDX: 0000000000000000 RSI: 00007ffc2c09d240 RDI: 0000000000000005
[   21.392798][  T323] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   21.393276][  T323] R10: 00007f0bed0d6ee8 R11: 0000000000000246 R12: 00007ffc2c09d920
[   21.393765][  T323] R13: 00000000686e6300 R14: 0000000000499600 R15: 00007ffc2c09d324
| [   29.373647][  T397] ------------[ cut here ]------------
| [ 29.375401][ T397] WARNING: CPU: 2 PID: 397 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   29.376594][  T397] Modules linked in: act_gact cls_flower sch_ingress 8021q ip_gre gre vrf veth
| [   29.378808][  T397] Tainted: [W]=WARN
[   29.379268][  T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.380011][ T397] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 29.380626][ T397] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   29.382679][  T397] RSP: 0018:ffffc90000627000 EFLAGS: 00010246
[   29.383451][  T397] RAX: 0000000000000000 RBX: ffff8880020f4000 RCX: 0000000000000001
[   29.384350][  T397] RDX: 0000000000000000 RSI: ffffffffad09b939 RDI: ffffffffac8555e0
[   29.385247][  T397] RBP: ffffc900006270e8 R08: ffff8880020f4218 R09: 0000000000000000
[   29.386143][  T397] R10: ffffc90000627118 R11: ffffffffad579160 R12: 1ffff920000c4e04
[   29.387024][  T397] R13: 000000000000ffe7 R14: ffffc90000627118 R15: ffff8880020f4218
[   29.387942][  T397] FS:  00007fd4e221f800(0000) GS:ffff8880871b7000(0000) knlGS:0000000000000000
[   29.388900][  T397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.389346][  T397] CR2: 00000000004e7408 CR3: 0000000005209003 CR4: 0000000000772ef0
[   29.389854][  T397] PKRU: 55555554
[   29.390109][  T397] Call Trace:
[   29.390367][  T397]  <TASK>
[ 29.390554][ T397] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 29.390994][ T397] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.391339][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.391715][ T397] netif_set_mtu (net/core/dev.c:9652) 
[ 29.392059][ T397] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.392412][ T397] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.392675][ T397] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 29.393035][ T397] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 29.393381][ T397] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 29.393732][ T397] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 29.394146][ T397] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 29.394492][ T397] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 29.394841][ T397] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 29.395177][ T397] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 29.395512][ T397] ? __dev_get_by_name (net/core/dev.c:865) 
[ 29.395857][ T397] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 29.396197][ T397] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 29.396535][ T397] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.396878][ T397] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 29.397220][ T397] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 29.397566][ T397] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.397910][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.398262][ T397] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.398590][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.398952][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.399292][ T397] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.399629][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.399975][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.400321][ T397] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.400672][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.401019][ T397] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.401366][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.401697][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 29.402048][ T397] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 29.402387][ T397] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.402730][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.403075][ T397] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.403415][ T397] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.403759][ T397] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.404118][ T397] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.404466][ T397] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.404808][ T397] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.405232][ T397] ___sys_sendmsg (net/socket.c:2670) 
[ 29.405569][ T397] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.405921][ T397] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 29.406338][ T397] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.406681][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.407035][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.407379][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.407731][ T397] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.408084][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.408431][ T397] __sys_sendmsg (net/socket.c:2700) 
[ 29.408783][ T397] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.409198][ T397] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.409545][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.409891][ T397] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.410237][ T397] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.410658][  T397] RIP: 0033:0x7fd4e23ec1e7
[ 29.411029][ T397] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  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 2e 00 00 00       	mov    $0x2e,%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:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

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:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   29.412205][  T397] RSP: 002b:00007fff76783358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.412711][  T397] RAX: ffffffffffffffda RBX: 00007fff76783a80 RCX: 00007fd4e23ec1e7
[   29.413209][  T397] RDX: 0000000000000000 RSI: 00007fff767833c0 RDI: 0000000000000005
[   29.413712][  T397] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   29.414203][  T397] R10: 00007fd4e22e9ee8 R11: 0000000000000246 R12: 00007fff76783aa0


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_newlink:ipgre_newlink