======================================
| [   98.414158][ T1446] ip_gre: GRE over IPv4 tunneling driver
| [   98.495841][ T1445] ------------[ cut here ]------------
| [ 98.496396][ T1445] WARNING: CPU: 2 PID: 1445 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) 
| [   98.497082][ T1445] Modules linked in: ip_gre gre cls_matchall 8021q act_gact cls_flower sch_ingress vrf veth
[   98.498496][ T1445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.506442][ T1445] 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) 
[ 98.506808][ T1445] 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
[   98.508847][ T1445] RSP: 0018:ffffc9000198f000 EFLAGS: 00010246
[   98.509448][ T1445] RAX: 0000000000000000 RBX: ffff88800cd99000 RCX: 0000000000000001
[   98.510352][ T1445] RDX: 0000000000000000 RSI: ffffffff94e9b941 RDI: ffffffff946555e0
[   98.510858][ T1445] RBP: ffffc9000198f0e8 R08: ffff88800cd99218 R09: 0000000000000000
[   98.511381][ T1445] R10: ffffc9000198f118 R11: ffffffff95379160 R12: 1ffff92000331e04
[   98.511897][ T1445] R13: 00000000000005b6 R14: ffffc9000198f118 R15: ffff88800cd99218
[   98.512424][ T1445] FS:  00007f3c951fd800(0000) GS:ffff88809f3b7000(0000) knlGS:0000000000000000
[   98.513036][ T1445] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.513478][ T1445] CR2: 00007fa15b738000 CR3: 000000000baaf004 CR4: 0000000000772ef0
[   98.513989][ T1445] PKRU: 55555554
[   98.514275][ T1445] Call Trace:
[   98.514553][ T1445]  <TASK>
[ 98.514750][ T1445] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 98.515424][ T1445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 98.515771][ T1445] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 98.516111][ T1445] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 98.516558][ T1445] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 98.516906][ T1445] netif_set_mtu (net/core/dev.c:9652) 
[ 98.517251][ T1445] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 98.517614][ T1445] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 98.517951][ T1445] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 98.518207][ T1445] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 98.518552][ T1445] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 98.518892][ T1445] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 98.519235][ T1445] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 98.519655][ T1445] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 98.520000][ T1445] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 98.520348][ T1445] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 98.520689][ T1445] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 98.521019][ T1445] ? __dev_get_by_name (net/core/dev.c:865) 
[ 98.521367][ T1445] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 98.521707][ T1445] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 98.522044][ T1445] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 98.522384][ T1445] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 98.522727][ T1445] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 98.523085][ T1445] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 98.523652][ T1445] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 98.523996][ T1445] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 98.524346][ T1445] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 98.524683][ T1445] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 98.525023][ T1445] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 98.525587][ T1445] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 98.525923][ T1445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.526261][ T1445] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 98.526821][ T1445] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 98.527157][ T1445] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 98.527513][ T1445] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 98.528080][ T1445] ? 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) 
[ 98.528424][ T1445] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 98.528766][ T1445] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 98.529102][ T1445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.529451][ T1445] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 98.529795][ T1445] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 98.530131][ T1445] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 98.530523][ T1445] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 98.530867][ T1445] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 98.531205][ T1445] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 98.531643][ T1445] ___sys_sendmsg (net/socket.c:2670) 
[ 98.531986][ T1445] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 98.532329][ T1445] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 98.532904][ T1445] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 98.533249][ T1445] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 98.534039][ T1445] ? __handle_mm_fault (mm/memory.c:6212) 
[ 98.534389][ T1445] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 98.534949][ T1445] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 98.535539][ T1445] __sys_sendmsg (net/socket.c:2700) 
[ 98.535881][ T1445] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 98.536225][ T1445] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 98.536578][ T1445] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 98.536927][ T1445] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 98.537310][ T1445] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 98.537652][ T1445] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   98.538069][ T1445] RIP: 0033:0x7f3c953ca1e7
[ 98.538450][ T1445] Code: Unable to access opcode bytes at 0x7f3c953ca1bd.

Code starting with the faulting instruction
===========================================
[   98.538890][ T1445] RSP: 002b:00007ffc852b5c08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   98.539404][ T1445] RAX: ffffffffffffffda RBX: 00007ffc852b6330 RCX: 00007f3c953ca1e7
[   98.539907][ T1445] RDX: 0000000000000000 RSI: 00007ffc852b5c70 RDI: 0000000000000005
[   98.540418][ T1445] RBP: 0000000000000004 R08: 00000000000000b0 R09: 0000000000000000
[   98.540926][ T1445] R10: 00007f3c952c26f8 R11: 0000000000000246 R12: 00007ffc852b6350
[   98.541434][ T1445] R13: 00000000686e3c53 R14: 0000000000499600 R15: 00007ffc852b5d5c
| [  100.987955][ T1469] ------------[ cut here ]------------
| [ 100.988310][ T1469] WARNING: CPU: 3 PID: 1469 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) 
| [  100.988911][ T1469] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 ip_gre gre cls_matchall 8021q act_gact cls_flower sch_ingress vrf veth
| [  100.990474][ T1469] Tainted: [W]=WARN
[  100.990711][ T1469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 100.991093][ T1469] 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) 
[ 100.991420][ T1469] 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
[  100.992526][ T1469] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[  100.993134][ T1469] RAX: 0000000000000000 RBX: ffff888004e42000 RCX: 0000000000000001
[  100.993620][ T1469] RDX: 0000000000000000 RSI: ffffffff94e9b941 RDI: ffffffff946555e0
[  100.994083][ T1469] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[  100.994550][ T1469] R10: ffffc900005e7010 R11: ffffffff95ca8918 R12: 1ffff920000bcde2
[  100.995033][ T1469] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff888004e42f08
[  100.995513][ T1469] FS:  00007fdb882dd800(0000) GS:ffff88809f437000(0000) knlGS:0000000000000000
[  100.996063][ T1469] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.996475][ T1469] CR2: 00000000004e5aa8 CR3: 000000000baf5002 CR4: 0000000000772ef0
[  100.996963][ T1469] PKRU: 55555554
[  100.997195][ T1469] Call Trace:
[  100.997434][ T1469]  <TASK>
[ 100.997593][ T1469] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 100.997914][ T1469] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 100.998229][ T1469] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 100.998542][ T1469] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 100.998938][ T1469] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 100.999269][ T1469] netif_set_mtu (net/core/dev.c:9652) 
[ 100.999588][ T1469] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 100.999938][ T1469] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 101.000392][ T1469] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 101.000626][ T1469] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 101.001059][ T1469] br_add_if (net/bridge/br_if.c:697) bridge 
[ 101.001426][ T1469] do_set_master (net/core/rtnetlink.c:2948) 
[ 101.001747][ T1469] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 101.002056][ T1469] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 101.002468][ T1469] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 101.002785][ T1469] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 101.003090][ T1469] ? __kernel_text_address (kernel/extable.c:79) 
[ 101.003407][ T1469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.003727][ T1469] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 101.004059][ T1469] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 101.004468][ T1469] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.004776][ T1469] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.005096][ T1469] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 101.005409][ T1469] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 101.005714][ T1469] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.006032][ T1469] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 101.006361][ T1469] ? __create_object (mm/kmemleak.c:771) 
[ 101.006669][ T1469] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 101.007016][ T1469] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 101.007339][ T1469] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 101.007735][ T1469] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 101.008048][ T1469] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 101.008387][ T1469] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 101.008694][ T1469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.009017][ T1469] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.009332][ T1469] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 101.009635][ T1469] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 101.009942][ T1469] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 101.010263][ T1469] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 101.010594][ T1469] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 101.010905][ T1469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.011238][ T1469] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 101.011555][ T1469] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 101.011861][ T1469] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 101.012177][ T1469] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 101.012488][ T1469] ? 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) 
[ 101.012808][ T1469] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 101.013137][ T1469] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 101.013461][ T1469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.013787][ T1469] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 101.014095][ T1469] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 101.014423][ T1469] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 101.014747][ T1469] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 101.015060][ T1469] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 101.015386][ T1469] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 101.015797][ T1469] ___sys_sendmsg (net/socket.c:2670) 
[ 101.016099][ T1469] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 101.016414][ T1469] ? __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) 
[ 101.016809][ T1469] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 101.017116][ T1469] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.017433][ T1469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.017744][ T1469] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.018056][ T1469] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 101.018398][ T1469] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 101.018714][ T1469] __sys_sendmsg (net/socket.c:2700) 
[ 101.019018][ T1469] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 101.019404][ T1469] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 101.019720][ T1469] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.020026][ T1469] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 101.020340][ T1469] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  101.020723][ T1469] RIP: 0033:0x7fdb884aa1e7
[ 101.021037][ T1469] 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)
[  101.022140][ T1469] RSP: 002b:00007ffc90ac2048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  101.022620][ T1469] RAX: ffffffffffffffda RBX: 00007ffc90ac2770 RCX: 00007fdb884aa1e7
[  101.023096][ T1469] RDX: 0000000000000000 RSI: 00007ffc90ac20b0 RDI: 0000000000000005
[  101.023559][ T1469] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  101.024014][ T1469] R10: 0000000033894910 R11: 0000000000000246 R12: 0000000000000004
[  101.024477][ T1469] R13: 00000000686e3c55 R14: 0000000000499600 R15: 0000000000000000
| [  101.275188][ T1471] ------------[ cut here ]------------
| [ 101.275575][ T1471] WARNING: CPU: 2 PID: 1471 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) 
| [  101.276226][ T1471] Modules linked in: bridge stp llc ip6_gre ip6_tunnel tunnel6 ip_gre gre cls_matchall 8021q act_gact cls_flower sch_ingress vrf veth
| [  101.277761][ T1471] Tainted: [W]=WARN
[  101.278017][ T1471] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 101.278444][ T1471] 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) 
[ 101.278789][ T1471] 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
[  101.280217][ T1471] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[  101.280790][ T1471] RAX: 0000000000000000 RBX: ffff888004e42000 RCX: 0000000000000001
[  101.281493][ T1471] RDX: 0000000000000000 RSI: ffffffff94e9b941 RDI: ffffffff946555e0
[  101.282132][ T1471] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[  101.282794][ T1471] R10: ffffc900005e7010 R11: ffffffff95ca8918 R12: 1ffff920000bcde2
[  101.283449][ T1471] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff888004e42f08
[  101.284117][ T1471] FS:  00007fecb7765800(0000) GS:ffff88809f3b7000(0000) knlGS:0000000000000000
[  101.284749][ T1471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.285174][ T1471] CR2: 00000000004e5ab0 CR3: 0000000008888006 CR4: 0000000000772ef0
[  101.285680][ T1471] PKRU: 55555554
[  101.285934][ T1471] Call Trace:
[  101.286192][ T1471]  <TASK>
[ 101.286382][ T1471] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 101.286718][ T1471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.287087][ T1471] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 101.287425][ T1471] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 101.287827][ T1471] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 101.288143][ T1471] netif_set_mtu (net/core/dev.c:9652) 
[ 101.288473][ T1471] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 101.288801][ T1471] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 101.289245][ T1471] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 101.289500][ T1471] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 101.289943][ T1471] br_add_if (net/bridge/br_if.c:697) bridge 
[ 101.290319][ T1471] do_set_master (net/core/rtnetlink.c:2948) 
[ 101.290643][ T1471] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 101.290964][ T1471] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 101.291381][ T1471] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 101.291699][ T1471] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 101.292018][ T1471] ? __kernel_text_address (kernel/extable.c:79) 
[ 101.292356][ T1471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.292678][ T1471] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 101.293006][ T1471] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 101.293409][ T1471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.293730][ T1471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.294050][ T1471] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 101.294379][ T1471] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 101.294710][ T1471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.295027][ T1471] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 101.295356][ T1471] ? __create_object (mm/kmemleak.c:771) 
[ 101.295683][ T1471] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 101.296001][ T1471] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 101.296328][ T1471] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 101.296719][ T1471] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 101.297042][ T1471] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 101.297386][ T1471] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 101.297704][ T1471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.298032][ T1471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.298362][ T1471] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 101.298681][ T1471] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 101.299002][ T1471] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 101.299336][ T1471] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 101.299660][ T1471] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 101.299987][ T1471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.300321][ T1471] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 101.300640][ T1471] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 101.300958][ T1471] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 101.301289][ T1471] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 101.301619][ T1471] ? 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) 
[ 101.301946][ T1471] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 101.302266][ T1471] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 101.302602][ T1471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.302940][ T1471] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 101.303264][ T1471] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 101.303622][ T1471] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 101.303956][ T1471] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 101.304279][ T1471] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 101.304614][ T1471] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 101.305016][ T1471] ___sys_sendmsg (net/socket.c:2670) 
[ 101.305343][ T1471] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 101.305661][ T1471] ? __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) 
[ 101.306055][ T1471] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 101.306394][ T1471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.306721][ T1471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.307057][ T1471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.307396][ T1471] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 101.307717][ T1471] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 101.308045][ T1471] __sys_sendmsg (net/socket.c:2700) 
[ 101.308373][ T1471] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 101.308764][ T1471] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 101.309096][ T1471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.309434][ T1471] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 101.309756][ T1471] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  101.310147][ T1471] RIP: 0033:0x7fecb79321e7
[ 101.310488][ T1471] 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)
[  101.311617][ T1471] RSP: 002b:00007ffe31ebdf88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  101.312092][ T1471] RAX: ffffffffffffffda RBX: 00007ffe31ebe6b0 RCX: 00007fecb79321e7
[  101.312571][ T1471] RDX: 0000000000000000 RSI: 00007ffe31ebdff0 RDI: 0000000000000005
[  101.313050][ T1471] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  101.313531][ T1471] R10: 000000000c998910 R11: 0000000000000246 R12: 0000000000000004
[  101.314012][ T1471] R13: 00000000686e3c56 R14: 0000000000499600 R15: 0000000000000000
| [  103.608861][ T1493] ------------[ cut here ]------------
| [ 103.609230][ T1493] WARNING: CPU: 0 PID: 1493 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) 
| [  103.609843][ T1493] Modules linked in: dummy bridge stp llc ip6_gre ip6_tunnel tunnel6 ip_gre gre cls_matchall 8021q act_gact cls_flower sch_ingress vrf veth
| [  103.611379][ T1493] Tainted: [W]=WARN
[  103.611614][ T1493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 103.611994][ T1493] 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) 
[ 103.612358][ T1493] 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
[  103.613487][ T1493] RSP: 0018:ffffc900017ef000 EFLAGS: 00010246
[  103.613874][ T1493] RAX: 0000000000000000 RBX: ffff8880087e9000 RCX: 0000000000000001
[  103.614340][ T1493] RDX: 0000000000000000 RSI: ffffffff94e9b941 RDI: ffffffff946555e0
[  103.614797][ T1493] RBP: ffffc900017ef0e8 R08: ffff8880087e9218 R09: 0000000000000000
[  103.615263][ T1493] R10: ffffc900017ef118 R11: ffff88800ba345e0 R12: 1ffff920002fde04
[  103.615729][ T1493] R13: 00000000000005b6 R14: ffffc900017ef118 R15: ffff8880087e9218
[  103.616186][ T1493] FS:  00007fe2257e2800(0000) GS:ffff88809f2b7000(0000) knlGS:0000000000000000
[  103.616730][ T1493] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.617123][ T1493] CR2: 00000000004e6170 CR3: 0000000005da5003 CR4: 0000000000772ef0
[  103.617602][ T1493] PKRU: 55555554
[  103.617836][ T1493] Call Trace:
[  103.618065][ T1493]  <TASK>
[ 103.618221][ T1493] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 103.618617][ T1493] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 103.618927][ T1493] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 103.619246][ T1493] netif_set_mtu (net/core/dev.c:9652) 
[ 103.619561][ T1493] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 103.619887][ T1493] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 103.620196][ T1493] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 103.620435][ T1493] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 103.620758][ T1493] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 103.621074][ T1493] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 103.621399][ T1493] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 103.621786][ T1493] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 103.622105][ T1493] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 103.622432][ T1493] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 103.622754][ T1493] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 103.623075][ T1493] ? __dev_get_by_name (net/core/dev.c:865) 
[ 103.623391][ T1493] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 103.623718][ T1493] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 103.624032][ T1493] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 103.624351][ T1493] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 103.624675][ T1493] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 103.624989][ T1493] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 103.625313][ T1493] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 103.625630][ T1493] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 103.625932][ T1493] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 103.626237][ T1493] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 103.626569][ T1493] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 103.626876][ T1493] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 103.627200][ T1493] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.627522][ T1493] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 103.627829][ T1493] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 103.628137][ T1493] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 103.628463][ T1493] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 103.628765][ T1493] ? 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) 
[ 103.629068][ T1493] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 103.629390][ T1493] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 103.629691][ T1493] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.630001][ T1493] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 103.630318][ T1493] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 103.630623][ T1493] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 103.630936][ T1493] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 103.631245][ T1493] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 103.631566][ T1493] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 103.631957][ T1493] ___sys_sendmsg (net/socket.c:2670) 
[ 103.632258][ T1493] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 103.632570][ T1493] ? __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) 
[ 103.632958][ T1493] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 103.633267][ T1493] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 103.633582][ T1493] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 103.633900][ T1493] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 103.634203][ T1493] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 103.634514][ T1493] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 103.634824][ T1493] __sys_sendmsg (net/socket.c:2700) 
[ 103.635128][ T1493] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 103.635510][ T1493] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 103.635826][ T1493] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 103.636140][ T1493] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 103.636457][ T1493] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  103.636832][ T1493] RIP: 0033:0x7fe2259af1e7
[ 103.637147][ T1493] 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)
[  103.638243][ T1493] RSP: 002b:00007ffc6c7e1e78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  103.638717][ T1493] RAX: ffffffffffffffda RBX: 00007ffc6c7e25a0 RCX: 00007fe2259af1e7
[  103.639174][ T1493] RDX: 0000000000000000 RSI: 00007ffc6c7e1ee0 RDI: 0000000000000005
[  103.639652][ T1493] RBP: 000000000000000a R08: 00000000000000b4 R09: 0000000000000078
[  103.640133][ T1493] R10: 00007fe2258acee8 R11: 0000000000000246 R12: 00007ffc6c7e25c0


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