======================================
| [   20.888851][  T326] ip_gre: GRE over IPv4 tunneling driver
| [   20.950488][  T325] ------------[ cut here ]------------
| [ 20.951920][ T325] WARNING: CPU: 2 PID: 325 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) 
| [   20.952618][  T325] Modules linked in: ip_gre gre vrf veth
[   20.953632][  T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.954052][ T325] 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) 
[ 20.954397][ T325] 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
[   20.955695][  T325] RSP: 0018:ffffc90000677000 EFLAGS: 00010246
[   20.956121][  T325] RAX: 0000000000000000 RBX: ffff888014da1000 RCX: 0000000000000001
[   20.956620][  T325] RDX: 0000000000000000 RSI: ffffffff8b49b941 RDI: ffffffff8ac555e0
[   20.957105][  T325] RBP: ffffc900006770e8 R08: ffff888014da1218 R09: 0000000000000000
[   20.957617][  T325] R10: ffffc90000677118 R11: ffffffff8b979160 R12: 1ffff920000cee04
[   20.958144][  T325] R13: 000000000000ffe7 R14: ffffc90000677118 R15: ffff888014da1218
[   20.958637][  T325] FS:  00007f5c9f126800(0000) GS:ffff8880a8db7000(0000) knlGS:0000000000000000
[   20.959222][  T325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.959668][  T325] CR2: 00007f46414f1000 CR3: 0000000014ea8005 CR4: 0000000000772ef0
[   20.960165][  T325] PKRU: 55555554
[   20.960427][  T325] Call Trace:
[   20.960691][  T325]  <TASK>
[ 20.960880][ T325] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.961312][ T325] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.961668][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.962025][ T325] netif_set_mtu (net/core/dev.c:9652) 
[ 20.962380][ T325] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.962748][ T325] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.963011][ T325] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.963354][ T325] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.963704][ T325] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.964049][ T325] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.964469][ T325] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.964827][ T325] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.965169][ T325] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 20.965516][ T325] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.965867][ T325] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.966210][ T325] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.966560][ T325] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.966905][ T325] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.967242][ T325] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.967602][ T325] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.967955][ T325] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.968302][ T325] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.968658][ T325] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.968981][ T325] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.969304][ T325] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.969634][ T325] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.969964][ T325] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.970307][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.970654][ T325] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.970984][ T325] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.971328][ T325] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.971683][ T325] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.972020][ T325] ? 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) 
[ 20.972370][ T325] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.972725][ T325] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.973060][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.973390][ T325] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.973729][ T325] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.974057][ T325] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.974390][ T325] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.974738][ T325] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.975056][ T325] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.975483][ T325] ___sys_sendmsg (net/socket.c:2670) 
[ 20.975814][ T325] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.976142][ T325] ? __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) 
[ 20.976557][ T325] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.976897][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.977232][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.977584][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.977918][ T325] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.978252][ T325] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.978588][ T325] __sys_sendmsg (net/socket.c:2700) 
[ 20.978907][ T325] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.993335][ T325] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.993689][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.994025][ T325] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.994597][ T325] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.995003][  T325] RIP: 0033:0x7f5c9f2f31e7
[ 20.995357][ T325] Code: Unable to access opcode bytes at 0x7f5c9f2f31bd.

Code starting with the faulting instruction
===========================================
[   20.995785][  T325] RSP: 002b:00007ffde9b00618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.996280][  T325] RAX: ffffffffffffffda RBX: 00007ffde9b00d40 RCX: 00007f5c9f2f31e7
[   20.996785][  T325] RDX: 0000000000000000 RSI: 00007ffde9b00680 RDI: 0000000000000005
[   20.997278][  T325] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   20.997765][  T325] R10: 00007f5c9f1f0ee8 R11: 0000000000000246 R12: 00007ffde9b00d60
[   20.998253][  T325] R13: 00000000686e093e R14: 0000000000499600 R15: 00007ffde9b00764
| [   28.827161][  T401] ------------[ cut here ]------------
| [ 28.827604][ T401] WARNING: CPU: 0 PID: 401 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) 
| [   28.828280][  T401] Modules linked in: act_gact cls_flower sch_ingress 8021q ip_gre gre vrf veth
| [   28.829650][  T401] Tainted: [W]=WARN
[   28.829927][  T401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.830363][ T401] 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) 
[ 28.830736][ T401] 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
[   28.832058][  T401] RSP: 0018:ffffc900005e7000 EFLAGS: 00010246
[   28.832499][  T401] RAX: 0000000000000000 RBX: ffff88800c764000 RCX: 0000000000000001
[   28.833043][  T401] RDX: 0000000000000000 RSI: ffffffff8b49b941 RDI: ffffffff8ac555e0
[   28.833581][  T401] RBP: ffffc900005e70e8 R08: ffff88800c764218 R09: 0000000000000000
[   28.834111][  T401] R10: ffffc900005e7118 R11: ffffffff8b979160 R12: 1ffff920000bce04
[   28.834643][  T401] R13: 000000000000ffe7 R14: ffffc900005e7118 R15: ffff88800c764218
[   28.835144][  T401] FS:  00007f94c1680800(0000) GS:ffff8880a8cb7000(0000) knlGS:0000000000000000
[   28.835800][  T401] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.836264][  T401] CR2: 00000000004e7408 CR3: 000000001571b004 CR4: 0000000000772ef0
[   28.836732][  T401] PKRU: 55555554
[   28.836965][  T401] Call Trace:
[   28.837191][  T401]  <TASK>
[ 28.837346][ T401] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 28.837740][ T401] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.838045][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.838370][ T401] netif_set_mtu (net/core/dev.c:9652) 
[ 28.838684][ T401] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.839003][ T401] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.839233][ T401] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 28.839540][ T401] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 28.839860][ T401] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 28.840169][ T401] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 28.840556][ T401] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 28.840869][ T401] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 28.841175][ T401] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 28.841481][ T401] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 28.841788][ T401] ? __dev_get_by_name (net/core/dev.c:865) 
[ 28.842094][ T401] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 28.842408][ T401] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 28.842729][ T401] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.843033][ T401] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 28.843344][ T401] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 28.843665][ T401] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.843975][ T401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.844289][ T401] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.844596][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.844901][ T401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.845209][ T401] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.845514][ T401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.845828][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.846138][ T401] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.846447][ T401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.846758][ T401] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.847076][ T401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.847389][ T401] ? 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) 
[ 28.847702][ T401] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 28.848012][ T401] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.848317][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.848633][ T401] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.848939][ T401] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.849243][ T401] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.849569][ T401] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.849888][ T401] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.850188][ T401] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.850587][ T401] ___sys_sendmsg (net/socket.c:2670) 
[ 28.850893][ T401] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.851198][ T401] ? __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) 
[ 28.851585][ T401] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.851896][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.852212][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.852523][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.852835][ T401] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 28.853141][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.853453][ T401] __sys_sendmsg (net/socket.c:2700) 
[ 28.853763][ T401] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.854145][ T401] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.854461][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.854776][ T401] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.855084][ T401] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.855462][  T401] RIP: 0033:0x7f94c184d1e7
[ 28.855784][ T401] 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)
[   28.856886][  T401] RSP: 002b:00007fffcbf3c508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.857347][  T401] RAX: ffffffffffffffda RBX: 00007fffcbf3cc30 RCX: 00007f94c184d1e7
[   28.857811][  T401] RDX: 0000000000000000 RSI: 00007fffcbf3c570 RDI: 0000000000000005
[   28.858265][  T401] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   28.858731][  T401] R10: 00007f94c174aee8 R11: 0000000000000246 R12: 00007fffcbf3cc50


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