======================================
| [   46.464915][  T562] ip_gre: GRE over IPv4 tunneling driver
| [   46.529336][  T561] ------------[ cut here ]------------
| [ 46.530045][ T561] WARNING: CPU: 1 PID: 561 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) 
| [   46.530911][  T561] Modules linked in: ip_gre gre act_gact cls_flower sch_ingress vrf veth
[   46.532358][  T561] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.533081][ T561] 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) 
[ 46.533450][ T561] 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
[   46.534853][  T561] RSP: 0018:ffffc90000f87000 EFLAGS: 00010246
[   46.535306][  T561] RAX: 0000000000000000 RBX: ffff88800c639000 RCX: 0000000000000001
[   46.535994][  T561] RDX: 0000000000000000 RSI: ffffffffa969b939 RDI: ffffffffa8e555e0
[   46.536521][  T561] RBP: ffffc90000f870e8 R08: ffff88800c639218 R09: 0000000000000000
[   46.537222][  T561] R10: ffffc90000f87118 R11: ffffffffa9b79160 R12: 1ffff920001f0e04
[   46.537910][  T561] R13: 000000000000ffe7 R14: ffffc90000f87118 R15: ffff88800c639218
[   46.538495][  T561] FS:  00007fb08df36800(0000) GS:ffff888083d37000(0000) knlGS:0000000000000000
[   46.539122][  T561] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.539906][  T561] CR2: 00007f73a669ad90 CR3: 000000000f0ba002 CR4: 0000000000772ef0
[   46.540447][  T561] PKRU: 55555554
[   46.540724][  T561] Call Trace:
[   46.540998][  T561]  <TASK>
[ 46.541180][ T561] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 46.541642][ T561] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 46.541994][ T561] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.542378][ T561] netif_set_mtu (net/core/dev.c:9652) 
[ 46.542744][ T561] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 46.543107][ T561] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 46.543371][ T561] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 46.543744][ T561] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 46.544101][ T561] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 46.544454][ T561] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 46.544917][ T561] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 46.545276][ T561] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 46.545634][ T561] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 46.546013][ T561] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 46.546359][ T561] ? __dev_get_by_name (net/core/dev.c:865) 
[ 46.546719][ T561] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 46.547087][ T561] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 46.547437][ T561] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 46.547792][ T561] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 46.548146][ T561] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 46.548500][ T561] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 46.548875][ T561] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.549249][ T561] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 46.549603][ T561] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.549953][ T561] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.550296][ T561] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 46.550654][ T561] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.551006][ T561] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.551358][ T561] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 46.551747][ T561] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.552096][ T561] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 46.552455][ T561] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 46.552809][ T561] ? 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) 
[ 46.553155][ T561] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 46.553505][ T561] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 46.553886][ T561] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.554238][ T561] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 46.554599][ T561] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 46.554947][ T561] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 46.555300][ T561] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 46.555662][ T561] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 46.556024][ T561] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 46.556484][ T561] ___sys_sendmsg (net/socket.c:2670) 
[ 46.556851][ T561] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 46.557206][ T561] ? __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) 
[ 46.557647][ T561] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 46.557998][ T561] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.558349][ T561] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.558739][ T561] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.559086][ T561] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 46.559440][ T561] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.559802][ T561] __sys_sendmsg (net/socket.c:2700) 
[ 46.560167][ T561] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 46.560610][ T561] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 46.560988][ T561] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.561336][ T561] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 46.561703][ T561] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.562145][  T561] RIP: 0033:0x7fb08e1031e7
[ 46.562514][ T561] Code: Unable to access opcode bytes at 0x7fb08e1031bd.

Code starting with the faulting instruction
===========================================
[   46.562972][  T561] RSP: 002b:00007ffc2f5bca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   46.563516][  T561] RAX: ffffffffffffffda RBX: 00007ffc2f5bd160 RCX: 00007fb08e1031e7
[   46.564047][  T561] RDX: 0000000000000000 RSI: 00007ffc2f5bcaa0 RDI: 0000000000000005
[   46.564572][  T561] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   46.565111][  T561] R10: 00007fb08e000ee8 R11: 0000000000000246 R12: 00007ffc2f5bd180
[   46.565658][  T561] R13: 00000000686e6b7a R14: 0000000000499600 R15: 00007ffc2f5bcb84
| [   54.416365][  T634] ------------[ cut here ]------------
| [ 54.417046][ T634] WARNING: CPU: 2 PID: 634 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) 
| [   54.418199][  T634] Modules linked in: 8021q ip_gre gre act_gact cls_flower sch_ingress vrf veth
| [   54.420388][  T634] Tainted: [W]=WARN
[   54.420874][  T634] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.421576][ T634] 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) 
[ 54.422176][ T634] 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
[   54.424063][  T634] RSP: 0018:ffffc900007c7000 EFLAGS: 00010246
[   54.424490][  T634] RAX: 0000000000000000 RBX: ffff8880098e4000 RCX: 0000000000000001
[   54.424998][  T634] RDX: 0000000000000000 RSI: ffffffffa969b939 RDI: ffffffffa8e555e0
[   54.425475][  T634] RBP: ffffc900007c70e8 R08: ffff8880098e4218 R09: 0000000000000000
[   54.425987][  T634] R10: ffffc900007c7118 R11: ffffffffa9b79160 R12: 1ffff920000f8e04
[   54.426463][  T634] R13: 000000000000ffe7 R14: ffffc900007c7118 R15: ffff8880098e4218
[   54.426969][  T634] FS:  00007ff4933d0800(0000) GS:ffff888083db7000(0000) knlGS:0000000000000000
[   54.427518][  T634] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.427939][  T634] CR2: 00000000004e7428 CR3: 000000000c8bb001 CR4: 0000000000772ef0
[   54.428418][  T634] PKRU: 55555554
[   54.428690][  T634] Call Trace:
[   54.428935][  T634]  <TASK>
[ 54.429111][ T634] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 54.429514][ T634] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.429862][ T634] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.430195][ T634] netif_set_mtu (net/core/dev.c:9652) 
[ 54.430518][ T634] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.430878][ T634] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.431124][ T634] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 54.431451][ T634] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 54.432004][ T634] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 54.432384][ T634] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 54.432816][ T634] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 54.433149][ T634] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 54.433472][ T634] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 54.433833][ T634] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 54.434157][ T634] ? __dev_get_by_name (net/core/dev.c:865) 
[ 54.434491][ T634] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 54.434837][ T634] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 54.435168][ T634] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.435486][ T634] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 54.435850][ T634] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 54.436186][ T634] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.436511][ T634] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.436886][ T634] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.437213][ T634] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.437542][ T634] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.437883][ T634] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.438207][ T634] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.438534][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.438880][ T634] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.439204][ T634] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.439541][ T634] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.440145][ T634] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.440718][ T634] ? 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) 
[ 54.441285][ T634] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 54.441870][ T634] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.442401][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.442766][ T634] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.443106][ T634] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.443427][ T634] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.443784][ T634] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.444113][ T634] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.444435][ T634] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.444872][ T634] ___sys_sendmsg (net/socket.c:2670) 
[ 54.445194][ T634] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.445522][ T634] ? __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) 
[ 54.445959][ T634] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.446286][ T634] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.446638][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.446972][ T634] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.447298][ T634] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.447645][ T634] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.447983][ T634] __sys_sendmsg (net/socket.c:2700) 
[ 54.448307][ T634] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.448729][ T634] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.449064][ T634] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.449392][ T634] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.449741][ T634] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.450415][  T634] RIP: 0033:0x7ff49359d1e7
[ 54.450773][ T634] 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)
[   54.452399][  T634] RSP: 002b:00007fff707afce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.452902][  T634] RAX: ffffffffffffffda RBX: 00007fff707b0410 RCX: 00007ff49359d1e7
[   54.453387][  T634] RDX: 0000000000000000 RSI: 00007fff707afd50 RDI: 0000000000000005
[   54.453884][  T634] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   54.454641][  T634] R10: 00007ff49349aee8 R11: 0000000000000246 R12: 00007fff707b0430


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