======================================
| [   21.415517][  T324] ip_gre: GRE over IPv4 tunneling driver
| [   21.463605][  T323] ------------[ cut here ]------------
| [ 21.464089][ T323] WARNING: CPU: 3 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) 
| [   21.464810][  T323] Modules linked in: ip_gre gre vrf veth
[   21.465753][  T323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.466146][ 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) 
[ 21.466465][ 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
[   21.467578][  T323] RSP: 0018:ffffc90000617000 EFLAGS: 00010246
[   21.467978][  T323] RAX: 0000000000000000 RBX: ffff888008a21000 RCX: 0000000000000001
[   21.468453][  T323] RDX: 0000000000000000 RSI: ffffffff8a09b941 RDI: ffffffff898555e0
[   21.468916][  T323] RBP: ffffc900006170e8 R08: ffff888008a21218 R09: 0000000000000000
[   21.469534][  T323] R10: ffffc90000617118 R11: ffffffff8a579160 R12: 1ffff920000c2e04
[   21.469998][  T323] R13: 000000000000ffe7 R14: ffffc90000617118 R15: ffff888008a21218
[   21.470505][  T323] FS:  00007fe6f7f9b800(0000) GS:ffff8880aa237000(0000) knlGS:0000000000000000
[   21.471045][  T323] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.471436][  T323] CR2: 00007f31bab79000 CR3: 000000000da06001 CR4: 0000000000772ef0
[   21.471922][  T323] PKRU: 55555554
[   21.472180][  T323] Call Trace:
[   21.472411][  T323]  <TASK>
[ 21.472577][ T323] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.472977][ T323] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.473303][ T323] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.473634][ T323] netif_set_mtu (net/core/dev.c:9652) 
[ 21.473942][ T323] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.474272][ T323] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.474509][ T323] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.474814][ T323] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.475133][ T323] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.475445][ T323] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.475825][ T323] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.476145][ T323] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.476477][ T323] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 21.476825][ T323] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.477138][ T323] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.477444][ T323] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.477748][ T323] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.478090][ T323] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.478392][ T323] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.478717][ T323] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.491617][ T323] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.491942][ T323] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.492287][ T323] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.492590][ T323] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.492897][ T323] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.493651][ T323] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.493960][ T323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.495822][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.496146][ T323] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.496892][ T323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.497232][ T323] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.497559][ T323] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.497863][ 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) 
[ 21.498187][ T323] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.498494][ T323] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.499021][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.499344][ T323] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.499653][ T323] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.499957][ T323] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.500278][ T323] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.500587][ T323] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.501133][ T323] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.501535][ T323] ___sys_sendmsg (net/socket.c:2670) 
[ 21.501838][ T323] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.502152][ 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) 
[ 21.502754][ T323] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.503301][ T323] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.503620][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.504157][ T323] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.504682][ 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) 
[ 21.504983][ T323] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.505308][ T323] __sys_sendmsg (net/socket.c:2700) 
[ 21.505833][ T323] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.506217][ T323] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.506536][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.506842][ T323] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.507156][ T323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.507534][  T323] RIP: 0033:0x7fe6f81681e7
[ 21.507855][ T323] Code: Unable to access opcode bytes at 0x7fe6f81681bd.

Code starting with the faulting instruction
===========================================
[   21.508258][  T323] RSP: 002b:00007ffd63922c58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.508721][  T323] RAX: ffffffffffffffda RBX: 00007ffd63923380 RCX: 00007fe6f81681e7
[   21.509560][  T323] RDX: 0000000000000000 RSI: 00007ffd63922cc0 RDI: 0000000000000005
[   21.510777][  T323] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   21.511520][  T323] R10: 00007fe6f8065ee8 R11: 0000000000000246 R12: 00007ffd639233a0
[   21.512373][  T323] R13: 00000000686e4458 R14: 0000000000499600 R15: 00007ffd63922da4
| [   29.170750][  T397] ------------[ cut here ]------------
| [ 29.171102][ T397] WARNING: CPU: 3 PID: 397 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) 
| [   29.171730][  T397] Modules linked in: act_gact cls_flower sch_ingress 8021q ip_gre gre vrf veth
| [   29.172957][  T397] Tainted: [W]=WARN
[   29.173970][  T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.174384][ T397] 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) 
[ 29.174701][ T397] 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
[   29.175829][  T397] RSP: 0018:ffffc900005f7000 EFLAGS: 00010246
[   29.176228][  T397] RAX: 0000000000000000 RBX: ffff88800519c000 RCX: 0000000000000001
[   29.176752][  T397] RDX: 0000000000000000 RSI: ffffffff8a09b941 RDI: ffffffff898555e0
[   29.177264][  T397] RBP: ffffc900005f70e8 R08: ffff88800519c218 R09: 0000000000000000
[   29.177723][  T397] R10: ffffc900005f7118 R11: ffffffff8a579160 R12: 1ffff920000bee04
[   29.178205][  T397] R13: 000000000000ffe7 R14: ffffc900005f7118 R15: ffff88800519c218
[   29.178658][  T397] FS:  00007f6c6fc46800(0000) GS:ffff8880aa237000(0000) knlGS:0000000000000000
[   29.179199][  T397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.179590][  T397] CR2: 00007fb0e0920f10 CR3: 00000000092c4006 CR4: 0000000000772ef0
[   29.180055][  T397] PKRU: 55555554
[   29.180285][  T397] Call Trace:
[   29.180519][  T397]  <TASK>
[ 29.180675][ T397] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 29.181067][ T397] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.181378][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.181704][ T397] netif_set_mtu (net/core/dev.c:9652) 
[ 29.182013][ T397] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.182342][ T397] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.182574][ T397] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 29.182880][ T397] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 29.183200][ T397] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 29.183530][ T397] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 29.183917][ T397] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 29.184238][ T397] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 29.184561][ T397] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 29.184875][ T397] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 29.185192][ T397] ? __dev_get_by_name (net/core/dev.c:865) 
[ 29.185509][ T397] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 29.185825][ T397] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 29.186171][ T397] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.186477][ T397] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 29.186796][ T397] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 29.187126][ T397] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.187443][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.187755][ T397] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.188208][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.188758][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.189287][ T397] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.189802][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.190368][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.190935][ T397] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.191481][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.192048][ T397] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.192628][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.193203][ T397] ? 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) 
[ 29.193770][ T397] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.194344][ T397] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.194887][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.195468][ T397] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.196053][ T397] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.196614][ T397] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.197208][ T397] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.197770][ T397] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.198335][ T397] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.199026][ T397] ___sys_sendmsg (net/socket.c:2670) 
[ 29.199583][ T397] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.200125][ T397] ? __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) 
[ 29.200800][ T397] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.201363][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.201912][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.202483][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.203025][ T397] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.203568][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.204155][ T397] __sys_sendmsg (net/socket.c:2700) 
[ 29.204693][ T397] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.205382][ T397] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.205933][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.206474][ T397] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.207011][ T397] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.207670][  T397] RIP: 0033:0x7f6c6fe131e7
[ 29.208235][ T397] 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)
[   29.210266][  T397] RSP: 002b:00007ffcaa86da38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.211115][  T397] RAX: ffffffffffffffda RBX: 00007ffcaa86e160 RCX: 00007f6c6fe131e7
[   29.211938][  T397] RDX: 0000000000000000 RSI: 00007ffcaa86daa0 RDI: 0000000000000005
[   29.212773][  T397] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   29.213610][  T397] R10: 00007f6c6fd10ee8 R11: 0000000000000246 R12: 00007ffcaa86e180


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