======================================
| [   21.579211][  T327] ip_gre: GRE over IPv4 tunneling driver
| [   21.639693][  T326] ------------[ cut here ]------------
| [ 21.640268][ T326] WARNING: CPU: 1 PID: 326 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) 
| [   21.640901][  T326] Modules linked in: ip_gre gre vrf veth
[   21.641977][  T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.642368][ T326] 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) 
[ 21.642693][ T326] 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
[   21.643868][  T326] RSP: 0018:ffffc90000567000 EFLAGS: 00010246
[   21.644266][  T326] RAX: 0000000000000000 RBX: ffff888012629000 RCX: 0000000000000001
[   21.644748][  T326] RDX: 0000000000000000 RSI: ffffffff92c9b941 RDI: ffffffff924555e0
[   21.645222][  T326] RBP: ffffc900005670e8 R08: ffff888012629218 R09: 0000000000000000
[   21.645689][  T326] R10: ffffc90000567118 R11: ffffffff93179160 R12: 1ffff920000ace04
[   21.646166][  T326] R13: 000000000000ffe7 R14: ffffc90000567118 R15: ffff888012629218
[   21.646634][  T326] FS:  00007f2e3a310800(0000) GS:ffff8880a1537000(0000) knlGS:0000000000000000
[   21.647198][  T326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.647651][  T326] CR2: 00007f680fb26460 CR3: 0000000015259004 CR4: 0000000000772ef0
[   21.648132][  T326] PKRU: 55555554
[   21.648370][  T326] Call Trace:
[   21.648606][  T326]  <TASK>
[ 21.648777][ T326] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.649195][ T326] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.649509][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.649835][ T326] netif_set_mtu (net/core/dev.c:9652) 
[ 21.650440][ T326] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.650776][ T326] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.651013][ T326] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.651364][ T326] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.651683][ T326] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.652012][ T326] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.652407][ T326] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.652729][ T326] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.653053][ T326] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 21.653366][ T326] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.653672][ T326] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.653995][ T326] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.654306][ T326] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.654620][ T326] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.654945][ T326] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.655298][ T326] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.655621][ T326] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.655947][ T326] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.656268][ T326] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.656573][ T326] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.656898][ T326] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.657216][ T326] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.657524][ T326] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.657843][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.658156][ T326] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.658465][ T326] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.658779][ T326] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.659113][ T326] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.659456][ T326] ? 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) 
[ 21.659779][ T326] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.660100][ T326] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.660412][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.660724][ T326] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.661189][ T326] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.661506][ T326] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.661831][ T326] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.662148][ T326] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.662457][ T326] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.662859][ T326] ___sys_sendmsg (net/socket.c:2670) 
[ 21.663164][ T326] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.663507][ T326] ? __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) 
[ 21.663899][ T326] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.664222][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.664549][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.664883][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.665191][ T326] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.665496][ T326] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.665818][ T326] __sys_sendmsg (net/socket.c:2700) 
[ 21.666140][ T326] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.666535][ T326] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.666879][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.667228][ T326] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.667560][ T326] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.667973][  T326] RIP: 0033:0x7f2e3a4dd1e7
[ 21.668318][ T326] Code: Unable to access opcode bytes at 0x7f2e3a4dd1bd.

Code starting with the faulting instruction
===========================================
[   21.668752][  T326] RSP: 002b:00007ffdaf1e07d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.669271][  T326] RAX: ffffffffffffffda RBX: 00007ffdaf1e0f00 RCX: 00007f2e3a4dd1e7
[   21.669768][  T326] RDX: 0000000000000000 RSI: 00007ffdaf1e0840 RDI: 0000000000000005
[   21.670255][  T326] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   21.670748][  T326] R10: 00007f2e3a3daee8 R11: 0000000000000246 R12: 00007ffdaf1e0f20
[   21.671266][  T326] R13: 00000000686e41ac R14: 0000000000499600 R15: 00007ffdaf1e0924
| [   29.777979][  T403] ------------[ cut here ]------------
| [ 29.778368][ T403] WARNING: CPU: 3 PID: 403 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) 
| [   29.779029][  T403] Modules linked in: act_gact cls_flower sch_ingress 8021q ip_gre gre vrf veth
| [   29.780311][  T403] Tainted: [W]=WARN
[   29.780588][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.782007][ T403] 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) 
[ 29.782357][ T403] 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
[   29.783557][  T403] RSP: 0018:ffffc900006b7000 EFLAGS: 00010246
[   29.783982][  T403] RAX: 0000000000000000 RBX: ffff88800970c000 RCX: 0000000000000001
[   29.784469][  T403] RDX: 0000000000000000 RSI: ffffffff92c9b941 RDI: ffffffff924555e0
[   29.784977][  T403] RBP: ffffc900006b70e8 R08: ffff88800970c218 R09: 0000000000000000
[   29.785463][  T403] R10: ffffc900006b7118 R11: ffffffff93179160 R12: 1ffff920000d6e04
[   29.785969][  T403] R13: 000000000000ffe7 R14: ffffc900006b7118 R15: ffff88800970c218
[   29.786461][  T403] FS:  00007f6de1609800(0000) GS:ffff8880a1637000(0000) knlGS:0000000000000000
[   29.787041][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.787448][  T403] CR2: 00000000004e7408 CR3: 000000001298d005 CR4: 0000000000772ef0
[   29.787939][  T403] PKRU: 55555554
[   29.788184][  T403] Call Trace:
[   29.788430][  T403]  <TASK>
[ 29.788604][ T403] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 29.789021][ T403] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.789364][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.789698][ T403] netif_set_mtu (net/core/dev.c:9652) 
[ 29.790016][ T403] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.790341][ T403] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.790587][ T403] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 29.790920][ T403] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 29.791260][ T403] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 29.791589][ T403] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 29.791997][ T403] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 29.792330][ T403] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 29.792652][ T403] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 29.792987][ T403] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 29.793315][ T403] ? __dev_get_by_name (net/core/dev.c:865) 
[ 29.793639][ T403] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 29.793975][ T403] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 29.794308][ T403] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.794632][ T403] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 29.794971][ T403] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 29.795307][ T403] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.795639][ T403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.795990][ T403] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.796312][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.796639][ T403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.796970][ T403] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.797296][ T403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.797628][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.797965][ T403] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.798294][ T403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.798623][ T403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.798967][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.799302][ T403] ? 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) 
[ 29.799627][ T403] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.799968][ T403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.800293][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.800634][ T403] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.800971][ T403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.801301][ T403] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.801639][ T403] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.801978][ T403] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.802300][ T403] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.802725][ T403] ___sys_sendmsg (net/socket.c:2670) 
[ 29.803056][ T403] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.803393][ T403] ? __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) 
[ 29.803808][ T403] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.804135][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.804463][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.804800][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.805127][ T403] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.805453][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.805817][ T403] __sys_sendmsg (net/socket.c:2700) 
[ 29.806142][ T403] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.806544][ T403] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.806889][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.807221][ T403] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.807547][ T403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.807956][  T403] RIP: 0033:0x7f6de17d61e7
[ 29.808323][ T403] 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)
[   29.809507][  T403] RSP: 002b:00007fff0ee56e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.810004][  T403] RAX: ffffffffffffffda RBX: 00007fff0ee57570 RCX: 00007f6de17d61e7
[   29.810520][  T403] RDX: 0000000000000000 RSI: 00007fff0ee56eb0 RDI: 0000000000000005
[   29.811013][  T403] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   29.811498][  T403] R10: 00007f6de16d3ee8 R11: 0000000000000246 R12: 00007fff0ee57590


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