======================================
| [  451.034385][ T1516] br0: port 1(veth1) entered forwarding state
| [  451.035666][ T1516] ------------[ cut here ]------------
| [ 451.035989][ T1516] WARNING: CPU: 0 PID: 1516 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) 
| [  451.036984][ T1516] Modules linked in: bridge stp llc 8021q vrf veth
[  451.038045][ T1516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 451.038558][ T1516] 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) 
[ 451.038886][ T1516] 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
[  451.039986][ T1516] RSP: 0018:ffffc90000546ef0 EFLAGS: 00010246
[  451.040392][ T1516] RAX: 0000000000000000 RBX: ffff8880099d2000 RCX: 0000000000000001
[  451.040852][ T1516] RDX: 0000000000000000 RSI: ffffffff8d49b941 RDI: ffffffff8cc555e0
[  451.041317][ T1516] RBP: ffffc90000546fe0 R08: 0000000000000000 R09: 0000000000000000
[  451.041785][ T1516] R10: ffffc90000547010 R11: ffffffff8e2a8918 R12: 1ffff920000a8de2
[  451.042253][ T1516] R13: 00000000000005dc R14: ffffc90000547010 R15: ffff8880099d2f08
[  451.042733][ T1516] FS:  00007f061df8c800(0000) GS:ffff8880a6cb7000(0000) knlGS:0000000000000000
[  451.043273][ T1516] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  451.043673][ T1516] CR2: 00000000004e5aa8 CR3: 0000000009228003 CR4: 0000000000772ef0
[  451.044147][ T1516] PKRU: 55555554
[  451.044388][ T1516] Call Trace:
[  451.044621][ T1516]  <TASK>
[ 451.044903][ T1516] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 451.045220][ T1516] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 451.045569][ T1516] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 451.045877][ T1516] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 451.046313][ T1516] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 451.046645][ T1516] netif_set_mtu (net/core/dev.c:9652) 
[ 451.046972][ T1516] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 451.047290][ T1516] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 451.047743][ T1516] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 451.047979][ T1516] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 451.048410][ T1516] br_add_if (net/bridge/br_if.c:697) bridge 
[ 451.048776][ T1516] do_set_master (net/core/rtnetlink.c:2948) 
[ 451.049101][ T1516] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 451.049428][ T1516] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 451.049833][ T1516] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 451.050154][ T1516] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 451.050479][ T1516] ? __kernel_text_address (kernel/extable.c:79) 
[ 451.050821][ T1516] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 451.051155][ T1516] ? __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) 
[ 451.051489][ T1516] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 451.051891][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 451.052222][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 451.052555][ T1516] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 451.052878][ T1516] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 451.053199][ T1516] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 451.053534][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 451.053861][ T1516] ? __create_object (mm/kmemleak.c:771) 
[ 451.054196][ T1516] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 451.054529][ T1516] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 451.054881][ T1516] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 451.055275][ T1516] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 451.055627][ T1516] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 451.055949][ T1516] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 451.056266][ T1516] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 451.056596][ T1516] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 451.056914][ T1516] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 451.057232][ T1516] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 451.057564][ T1516] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 451.057894][ T1516] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 451.058221][ T1516] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 451.058558][ T1516] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 451.058897][ T1516] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 451.059234][ T1516] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 451.059548][ T1516] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 451.059881][ T1516] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 451.060213][ T1516] ? 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) 
[ 451.060534][ T1516] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 451.060850][ T1516] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 451.061161][ T1516] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 451.061483][ T1516] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 451.061805][ T1516] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 451.062124][ T1516] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 451.062464][ T1516] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 451.062802][ T1516] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 451.063112][ T1516] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 451.063528][ T1516] ___sys_sendmsg (net/socket.c:2670) 
[ 451.063841][ T1516] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 451.064419][ T1516] ? __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) 
[ 451.064804][ T1516] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 451.065343][ T1516] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 451.065674][ T1516] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 451.065991][ T1516] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 451.066534][ T1516] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 451.066853][ T1516] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 451.067164][ T1516] __sys_sendmsg (net/socket.c:2700) 
[ 451.067473][ T1516] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 451.067873][ T1516] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 451.068191][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 451.068505][ T1516] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 451.068818][ T1516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  451.069440][ T1516] RIP: 0033:0x7f061e1591e7
[ 451.069767][ T1516] 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)
[  451.071347][ T1516] RSP: 002b:00007ffe6bdbfe98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  451.071833][ T1516] RAX: ffffffffffffffda RBX: 00007ffe6bdc05c0 RCX: 00007f061e1591e7
[  451.072537][ T1516] RDX: 0000000000000000 RSI: 00007ffe6bdbff00 RDI: 0000000000000005
[  451.073007][ T1516] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  451.073485][ T1516] R10: 00000000307aa910 R11: 0000000000000246 R12: 0000000000000003
[  451.073961][ T1516] R13: 00000000686e0ba4 R14: 0000000000499600 R15: 0000000000000000
| [  451.219027][ T1517] ------------[ cut here ]------------
| [ 451.219335][ T1517] WARNING: CPU: 0 PID: 1517 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) 
| [  451.220579][ T1517] Modules linked in: bridge stp llc 8021q vrf veth
| [  451.221595][ T1517] Tainted: [W]=WARN
[  451.221830][ T1517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 451.222207][ T1517] 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) 
[ 451.222535][ T1517] 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
[  451.223620][ T1517] RSP: 0018:ffffc90000576ef0 EFLAGS: 00010246
[  451.224006][ T1517] RAX: 0000000000000000 RBX: ffff88800ab72000 RCX: 0000000000000001
[  451.224476][ T1517] RDX: 0000000000000000 RSI: ffffffff8d49b941 RDI: ffffffff8cc555e0
[  451.224946][ T1517] RBP: ffffc90000576fe0 R08: 0000000000000000 R09: 0000000000000000
[  451.225408][ T1517] R10: ffffc90000577010 R11: ffffffff8e2a8918 R12: 1ffff920000aede2
[  451.225862][ T1517] R13: 00000000000005dc R14: ffffc90000577010 R15: ffff88800ab72f08
[  451.226315][ T1517] FS:  00007f22ceed5800(0000) GS:ffff8880a6cb7000(0000) knlGS:0000000000000000
[  451.226858][ T1517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  451.227240][ T1517] CR2: 00000000004e5ab8 CR3: 0000000009228004 CR4: 0000000000772ef0
[  451.227703][ T1517] PKRU: 55555554
[  451.227931][ T1517] Call Trace:
[  451.228159][ T1517]  <TASK>
[ 451.228318][ T1517] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 451.228650][ T1517] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 451.228966][ T1517] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 451.229271][ T1517] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 451.229657][ T1517] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 451.229964][ T1517] netif_set_mtu (net/core/dev.c:9652) 
[ 451.230270][ T1517] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 451.230593][ T1517] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 451.231032][ T1517] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 451.231266][ T1517] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 451.231696][ T1517] br_add_if (net/bridge/br_if.c:697) bridge 
[ 451.232047][ T1517] do_set_master (net/core/rtnetlink.c:2948) 
[ 451.232358][ T1517] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 451.232686][ T1517] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 451.233077][ T1517] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 451.233402][ T1517] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 451.233706][ T1517] ? __kernel_text_address (kernel/extable.c:79) 
[ 451.234017][ T1517] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 451.234328][ T1517] ? __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) 
[ 451.234649][ T1517] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 451.235041][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 451.235355][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 451.235671][ T1517] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 451.235974][ T1517] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 451.236283][ T1517] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 451.236613][ T1517] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 451.236920][ T1517] ? __create_object (mm/kmemleak.c:771) 
[ 451.237228][ T1517] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 451.237548][ T1517] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 451.237862][ T1517] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 451.238241][ T1517] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 451.238561][ T1517] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 451.238870][ T1517] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 451.239177][ T1517] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 451.239495][ T1517] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 451.239801][ T1517] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 451.240113][ T1517] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 451.240447][ T1517] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 451.240755][ T1517] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 451.241059][ T1517] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 451.241390][ T1517] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 451.241700][ T1517] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 451.242006][ T1517] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 451.242309][ T1517] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 451.242639][ T1517] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 451.242945][ T1517] ? 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) 
[ 451.243251][ T1517] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 451.243568][ T1517] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 451.243874][ T1517] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 451.244182][ T1517] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 451.244507][ T1517] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 451.244833][ T1517] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 451.245146][ T1517] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 451.245466][ T1517] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 451.245776][ T1517] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 451.246164][ T1517] ___sys_sendmsg (net/socket.c:2670) 
[ 451.246477][ T1517] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 451.246782][ T1517] ? __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) 
[ 451.247173][ T1517] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 451.247492][ T1517] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 451.247805][ T1517] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 451.248128][ T1517] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 451.248463][ T1517] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 451.248769][ T1517] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 451.249095][ T1517] __sys_sendmsg (net/socket.c:2700) 
[ 451.249408][ T1517] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 451.249793][ T1517] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 451.250112][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 451.250429][ T1517] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 451.250735][ T1517] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  451.251117][ T1517] RIP: 0033:0x7f22cf0a21e7
[ 451.251443][ T1517] 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)
[  451.252565][ T1517] RSP: 002b:00007ffe1e87c858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  451.253036][ T1517] RAX: ffffffffffffffda RBX: 00007ffe1e87cf80 RCX: 00007f22cf0a21e7
[  451.253509][ T1517] RDX: 0000000000000000 RSI: 00007ffe1e87c8c0 RDI: 0000000000000005
[  451.253987][ T1517] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  451.254456][ T1517] R10: 000000001a429910 R11: 0000000000000246 R12: 0000000000000003


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