======================================
| [   20.697296][  T324] ip_gre: GRE over IPv4 tunneling driver
| [   20.746107][  T323] ------------[ cut here ]------------
| [ 20.746655][ T323] WARNING: CPU: 0 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) 
| [   20.747565][  T323] Modules linked in: ip_gre gre vrf veth
[   20.748644][  T323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.749071][ 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) 
[ 20.749455][ 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
[   20.750672][  T323] RSP: 0018:ffffc900006b7000 EFLAGS: 00010246
[   20.751098][  T323] RAX: 0000000000000000 RBX: ffff88800c084000 RCX: 0000000000000001
[   20.751598][  T323] RDX: 0000000000000000 RSI: ffffffffb3c9b941 RDI: ffffffffb34555e0
[   20.752105][  T323] RBP: ffffc900006b70e8 R08: ffff88800c084218 R09: 0000000000000000
[   20.752607][  T323] R10: ffffc900006b7118 R11: ffffffffb4179160 R12: 1ffff920000d6e04
[   20.753120][  T323] R13: 000000000000ffe7 R14: ffffc900006b7118 R15: ffff88800c084218
[   20.753634][  T323] FS:  00007fef84dd1800(0000) GS:ffff8880804b7000(0000) knlGS:0000000000000000
[   20.754230][  T323] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.754669][  T323] CR2: 00005650edac0208 CR3: 000000000c61f003 CR4: 0000000000772ef0
[   20.755160][  T323] PKRU: 55555554
[   20.755408][  T323] Call Trace:
[   20.755663][  T323]  <TASK>
[ 20.755837][ T323] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.756285][ T323] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.756621][ T323] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.757017][ T323] netif_set_mtu (net/core/dev.c:9652) 
[ 20.757356][ T323] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.757720][ T323] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.757976][ T323] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.758321][ T323] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.758660][ T323] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.758989][ T323] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.759417][ T323] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.759976][ T323] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.760327][ T323] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 20.760664][ T323] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.760985][ T323] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.761319][ T323] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.761666][ T323] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.762002][ T323] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.762360][ T323] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.762719][ T323] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.763053][ T323] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.763380][ T323] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.763721][ T323] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.764041][ T323] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.764376][ T323] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.764723][ T323] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.765080][ T323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.765425][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.765770][ T323] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.766100][ T323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.766453][ T323] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.766809][ T323] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.767148][ 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) 
[ 20.767498][ T323] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.767829][ T323] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.768157][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.768492][ T323] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.768851][ T323] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.769176][ T323] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.769540][ T323] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.773062][ T323] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.773409][ T323] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.773837][ T323] ___sys_sendmsg (net/socket.c:2670) 
[ 20.774163][ T323] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.774523][ 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) 
[ 20.774937][ T323] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.775264][ T323] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.775607][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.775938][ T323] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.776265][ 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) 
[ 20.776612][ T323] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.776952][ T323] __sys_sendmsg (net/socket.c:2700) 
[ 20.777277][ T323] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.777908][ T323] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.781493][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.782079][ T323] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.782419][ T323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.783061][  T323] RIP: 0033:0x7fef84f9e1e7
[ 20.783407][ T323] Code: Unable to access opcode bytes at 0x7fef84f9e1bd.

Code starting with the faulting instruction
===========================================
[   20.783825][  T323] RSP: 002b:00007ffdb7794038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.784562][  T323] RAX: ffffffffffffffda RBX: 00007ffdb7794760 RCX: 00007fef84f9e1e7
[   20.785088][  T323] RDX: 0000000000000000 RSI: 00007ffdb77940a0 RDI: 0000000000000005
[   20.785598][  T323] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   20.786098][  T323] R10: 00007fef84e9bee8 R11: 0000000000000246 R12: 00007ffdb7794780
[   20.786629][  T323] R13: 00000000686e1a9d R14: 0000000000499600 R15: 00007ffdb7794184
| [   28.411891][  T398] ------------[ cut here ]------------
| [ 28.412269][ T398] WARNING: CPU: 2 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) 
| [   28.412911][  T398] Modules linked in: act_gact cls_flower sch_ingress 8021q ip_gre gre vrf veth
| [   28.414142][  T398] Tainted: [W]=WARN
[   28.414397][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.414802][ 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) 
[ 28.415143][ 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
[   28.416258][  T398] RSP: 0018:ffffc900006b7000 EFLAGS: 00010246
[   28.416668][  T398] RAX: 0000000000000000 RBX: ffff88800c011000 RCX: 0000000000000001
[   28.417149][  T398] RDX: 0000000000000000 RSI: ffffffffb3c9b941 RDI: ffffffffb34555e0
[   28.417632][  T398] RBP: ffffc900006b70e8 R08: ffff88800c011218 R09: 0000000000000000
[   28.418110][  T398] R10: ffffc900006b7118 R11: ffffffffb4179160 R12: 1ffff920000d6e04
[   28.418599][  T398] R13: 000000000000ffe7 R14: ffffc900006b7118 R15: ffff88800c011218
[   28.419070][  T398] FS:  00007f6b2fcad800(0000) GS:ffff8880805b7000(0000) knlGS:0000000000000000
[   28.419632][  T398] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.420029][  T398] CR2: 00000000004e7408 CR3: 000000000c1cb002 CR4: 0000000000772ef0
[   28.420520][  T398] PKRU: 55555554
[   28.420762][  T398] Call Trace:
[   28.421007][  T398]  <TASK>
[ 28.421174][ T398] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 28.421592][ T398] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.421911][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.422243][ T398] netif_set_mtu (net/core/dev.c:9652) 
[ 28.422574][ T398] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.422914][ T398] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.423159][ T398] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 28.423491][ T398] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 28.423816][ T398] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 28.424146][ T398] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 28.424552][ T398] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 28.424880][ T398] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 28.425203][ T398] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 28.425535][ T398] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 28.425851][ T398] ? __dev_get_by_name (net/core/dev.c:865) 
[ 28.426170][ T398] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 28.426502][ T398] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 28.426827][ T398] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.427163][ T398] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 28.427499][ T398] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 28.427832][ T398] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.428170][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.428509][ T398] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.428825][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.429144][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.429486][ T398] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.429808][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.430132][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.430467][ T398] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.430786][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.431101][ T398] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.431430][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.431760][ 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) 
[ 28.432079][ T398] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 28.432406][ T398] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.432736][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.433064][ T398] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.433388][ T398] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.433719][ T398] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.434048][ T398] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.434371][ T398] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.434703][ T398] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.435107][ T398] ___sys_sendmsg (net/socket.c:2670) 
[ 28.435420][ T398] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.435748][ 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) 
[ 28.436140][ T398] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.436472][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.436793][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.437137][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.437469][ 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) 
[ 28.437792][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.438113][ T398] __sys_sendmsg (net/socket.c:2700) 
[ 28.438431][ T398] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.438837][ T398] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.439168][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.439496][ T398] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.439817][ T398] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.440212][  T398] RIP: 0033:0x7f6b2fe7a1e7
[ 28.440554][ 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)
[   28.441668][  T398] RSP: 002b:00007fffd354c258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.442142][  T398] RAX: ffffffffffffffda RBX: 00007fffd354c980 RCX: 00007f6b2fe7a1e7
[   28.442624][  T398] RDX: 0000000000000000 RSI: 00007fffd354c2c0 RDI: 0000000000000005
[   28.443097][  T398] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   28.443579][  T398] R10: 00007f6b2fd77ee8 R11: 0000000000000246 R12: 00007fffd354c9a0


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