======================================
| [   21.808108][  T324] ip_gre: GRE over IPv4 tunneling driver
| [   21.867292][  T323] ------------[ cut here ]------------
| [ 21.868578][ T323] WARNING: CPU: 2 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) 
| [   21.869407][  T323] Modules linked in: ip_gre gre vrf veth
[   21.870899][  T323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.871374][ 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) 
[ 21.871740][ T323] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   21.872869][  T323] RSP: 0018:ffffc90000567000 EFLAGS: 00010246
[   21.873282][  T323] RAX: 0000000000000000 RBX: ffff8880150b4000 RCX: 0000000000000001
[   21.873819][  T323] RDX: 0000000000000000 RSI: ffffffffb629b941 RDI: ffffffffb5a555e0
[   21.874298][  T323] RBP: ffffc900005670e8 R08: ffff8880150b4218 R09: 0000000000000000
[   21.874794][  T323] R10: ffffc90000567118 R11: ffffffffb6779160 R12: 1ffff920000ace04
[   21.875308][  T323] R13: 000000000000ffe7 R14: ffffc90000567118 R15: ffff8880150b4218
[   21.875833][  T323] FS:  00007fdc16448800(0000) GS:ffff88807dfb7000(0000) knlGS:0000000000000000
[   21.876389][  T323] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.876821][  T323] CR2: 00007f5045a4b000 CR3: 000000000602f004 CR4: 0000000000772ef0
[   21.877311][  T323] PKRU: 55555554
[   21.877570][  T323] Call Trace:
[   21.877819][  T323]  <TASK>
[ 21.877992][ T323] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.878429][ T323] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.878756][ T323] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.879106][ T323] netif_set_mtu (net/core/dev.c:9652) 
[ 21.879457][ T323] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.879801][ T323] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.880047][ T323] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.880368][ T323] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.880704][ T323] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.881238][ T323] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.881648][ T323] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.882010][ T323] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.882334][ T323] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 21.882667][ T323] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.883023][ T323] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.883347][ T323] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.883677][ T323] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.884025][ T323] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.884364][ T323] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.884712][ T323] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.890451][ T323] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.890794][ T323] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.891139][ T323] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.891476][ T323] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.891820][ T323] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.892166][ T323] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.892508][ T323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.892840][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.893197][ T323] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.893528][ T323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.893848][ T323] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.894205][ T323] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.894599][ 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) 
[ 21.894928][ T323] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.895252][ T323] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.895579][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.895921][ T323] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.896918][ T323] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.897470][ T323] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.897798][ T323] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.898152][ T323] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.898478][ T323] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.898885][ T323] ___sys_sendmsg (net/socket.c:2670) 
[ 21.899203][ T323] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.899531][ 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) 
[ 21.899936][ T323] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.900486][ T323] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.900818][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.901147][ T323] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.901488][ 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) 
[ 21.901820][ T323] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.902367][ T323] __sys_sendmsg (net/socket.c:2700) 
[ 21.902690][ T323] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.903086][ T323] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.903430][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.903775][ T323] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.904111][ T323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.904536][  T323] RIP: 0033:0x7fdc166151e7
[ 21.904888][ T323] Code: Unable to access opcode bytes at 0x7fdc166151bd.

Code starting with the faulting instruction
===========================================
[   21.905301][  T323] RSP: 002b:00007ffdee269ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.905792][  T323] RAX: ffffffffffffffda RBX: 00007ffdee26a410 RCX: 00007fdc166151e7
[   21.906284][  T323] RDX: 0000000000000000 RSI: 00007ffdee269d50 RDI: 0000000000000005
[   21.907019][  T323] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   21.907534][  T323] R10: 00007fdc16512ee8 R11: 0000000000000246 R12: 00007ffdee26a430
[   21.908240][  T323] R13: 00000000686e0f8e R14: 0000000000499600 R15: 00007ffdee269e34
| [   29.919087][  T398] ------------[ cut here ]------------
| [ 29.920190][ T398] WARNING: CPU: 0 PID: 398 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) 
| [   29.920823][  T398] Modules linked in: act_gact cls_flower sch_ingress 8021q ip_gre gre vrf veth
| [   29.922032][  T398] Tainted: [W]=WARN
[   29.922265][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.922660][ T398] 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) 
[ 29.922979][ T398] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   29.924081][  T398] RSP: 0018:ffffc900005e7000 EFLAGS: 00010246
[   29.924477][  T398] RAX: 0000000000000000 RBX: ffff8880076b1000 RCX: 0000000000000001
[   29.924936][  T398] RDX: 0000000000000000 RSI: ffffffffb629b941 RDI: ffffffffb5a555e0
[   29.925393][  T398] RBP: ffffc900005e70e8 R08: ffff8880076b1218 R09: 0000000000000000
[   29.925856][  T398] R10: ffffc900005e7118 R11: ffffffffb6779160 R12: 1ffff920000bce04
[   29.926315][  T398] R13: 000000000000ffe7 R14: ffffc900005e7118 R15: ffff8880076b1218
[   29.926780][  T398] FS:  00007ff7c7766800(0000) GS:ffff88807deb7000(0000) knlGS:0000000000000000
[   29.927326][  T398] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.927723][  T398] CR2: 00000000004e7408 CR3: 00000000134a2005 CR4: 0000000000772ef0
[   29.928182][  T398] PKRU: 55555554
[   29.928413][  T398] Call Trace:
[   29.928653][  T398]  <TASK>
[ 29.928818][ T398] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 29.929207][ T398] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.929525][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.929844][ T398] netif_set_mtu (net/core/dev.c:9652) 
[ 29.930153][ T398] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.930483][ T398] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.930714][ T398] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 29.931021][ T398] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 29.931344][ T398] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 29.931720][ T398] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 29.932105][ T398] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 29.932426][ T398] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 29.932736][ T398] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 29.933045][ T398] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 29.933345][ T398] ? __dev_get_by_name (net/core/dev.c:865) 
[ 29.933660][ T398] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 29.933971][ T398] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 29.934284][ T398] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.934600][ T398] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 29.934916][ T398] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 29.935234][ T398] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.935552][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.935869][ T398] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.936176][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.936492][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.936797][ T398] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.937104][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.937412][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.937732][ T398] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.938037][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.938346][ T398] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.938673][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.938980][ T398] ? 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) 
[ 29.939285][ T398] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.939604][ T398] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.939909][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.940222][ T398] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.940541][ T398] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.940848][ T398] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.941159][ T398] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.941477][ T398] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.941790][ T398] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.942181][ T398] ___sys_sendmsg (net/socket.c:2670) 
[ 29.942493][ T398] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.942801][ T398] ? __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) 
[ 29.943184][ T398] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.943500][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.943811][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.944123][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.944438][ T398] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.944745][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.945118][ T398] __sys_sendmsg (net/socket.c:2700) 
[ 29.945462][ T398] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.945862][ T398] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.946199][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.946533][ T398] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.946843][ T398] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.947228][  T398] RIP: 0033:0x7ff7c79331e7
[ 29.947553][ T398] 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)
[   29.948664][  T398] RSP: 002b:00007fffb1d167e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.949129][  T398] RAX: ffffffffffffffda RBX: 00007fffb1d16f10 RCX: 00007ff7c79331e7
[   29.949599][  T398] RDX: 0000000000000000 RSI: 00007fffb1d16850 RDI: 0000000000000005
[   29.950058][  T398] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   29.950527][  T398] R10: 00007ff7c7830ee8 R11: 0000000000000246 R12: 00007fffb1d16f30


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