======================================
| [  457.279299][ T1514] br0: port 1(veth1) entered forwarding state
| [  457.280793][ T1514] ------------[ cut here ]------------
| [ 457.281232][ T1514] WARNING: CPU: 1 PID: 1514 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) 
| [  457.281935][ T1514] Modules linked in: bridge stp llc 8021q vrf veth
[  457.283377][ T1514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 457.283799][ T1514] 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) 
[ 457.284209][ T1514] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  457.285436][ T1514] RSP: 0018:ffffc90002546ef0 EFLAGS: 00010246
[  457.285844][ T1514] RAX: 0000000000000000 RBX: ffff88800b8a2000 RCX: 0000000000000001
[  457.286361][ T1514] RDX: 0000000000000000 RSI: ffffffffae69b939 RDI: ffffffffade555e0
[  457.286851][ T1514] RBP: ffffc90002546fe0 R08: 0000000000000000 R09: 0000000000000000
[  457.287359][ T1514] R10: ffffc90002547010 R11: ffffffffaf4a8918 R12: 1ffff920004a8de2
[  457.287843][ T1514] R13: 00000000000005dc R14: ffffc90002547010 R15: ffff88800b8a2f08
[  457.288344][ T1514] FS:  00007f2ce974c800(0000) GS:ffff888085b37000(0000) knlGS:0000000000000000
[  457.288909][ T1514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  457.289337][ T1514] CR2: 00000000004e5aa8 CR3: 000000000b18a006 CR4: 0000000000772ef0
[  457.289832][ T1514] PKRU: 55555554
[  457.290088][ T1514] Call Trace:
[  457.290333][ T1514]  <TASK>
[ 457.290504][ T1514] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 457.291142][ T1514] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.291474][ T1514] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 457.291798][ T1514] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 457.292240][ T1514] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 457.292548][ T1514] netif_set_mtu (net/core/dev.c:9652) 
[ 457.292861][ T1514] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 457.293187][ T1514] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 457.293620][ T1514] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 457.293876][ T1514] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 457.294327][ T1514] br_add_if (net/bridge/br_if.c:697) bridge 
[ 457.294690][ T1514] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 457.295004][ T1514] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 457.295328][ T1514] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 457.295720][ T1514] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 457.296033][ T1514] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 457.296349][ T1514] ? __kernel_text_address (kernel/extable.c:79) 
[ 457.296668][ T1514] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.296979][ T1514] ? __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) 
[ 457.297294][ T1514] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 457.297674][ T1514] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 457.297985][ T1514] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 457.298298][ T1514] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 457.298605][ T1514] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 457.298916][ T1514] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.299241][ T1514] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 457.299547][ T1514] ? __create_object (mm/kmemleak.c:771) 
[ 457.299861][ T1514] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 457.300181][ T1514] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 457.300489][ T1514] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 457.300869][ T1514] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 457.301190][ T1514] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 457.301512][ T1514] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 457.301820][ T1514] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.302143][ T1514] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.302449][ T1514] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 457.302751][ T1514] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 457.303068][ T1514] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 457.303375][ T1514] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 457.303680][ T1514] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 457.304012][ T1514] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.304335][ T1514] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 457.304645][ T1514] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 457.304952][ T1514] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 457.305275][ T1514] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 457.305579][ T1514] ? 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) 
[ 457.305888][ T1514] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 457.306218][ T1514] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 457.306523][ T1514] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.306834][ T1514] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 457.307154][ T1514] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 457.307458][ T1514] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 457.307771][ T1514] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 457.308094][ T1514] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 457.308408][ T1514] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 457.308800][ T1514] ___sys_sendmsg (net/socket.c:2670) 
[ 457.309112][ T1514] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 457.309417][ T1514] ? __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) 
[ 457.309799][ T1514] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 457.310121][ T1514] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 457.310424][ T1514] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 457.310741][ T1514] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.311069][ T1514] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.311374][ T1514] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 457.311676][ T1514] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 457.311983][ T1514] __sys_sendmsg (net/socket.c:2700) 
[ 457.312294][ T1514] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 457.312691][ T1514] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 457.313027][ T1514] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 457.313363][ T1514] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 457.313682][ T1514] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  457.314090][ T1514] RIP: 0033:0x7f2ce99191e7
[ 457.314423][ T1514] 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)
[  457.315554][ T1514] RSP: 002b:00007ffc536af688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  457.316033][ T1514] RAX: ffffffffffffffda RBX: 00007ffc536afdb0 RCX: 00007f2ce99191e7
[  457.316530][ T1514] RDX: 0000000000000000 RSI: 00007ffc536af6f0 RDI: 0000000000000005
[  457.316998][ T1514] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  457.317481][ T1514] R10: 000000003ac3a910 R11: 0000000000000246 R12: 0000000000000003
[  457.317962][ T1514] R13: 00000000686e5fea R14: 0000000000499600 R15: 0000000000000000
| [  457.489906][ T1515] ------------[ cut here ]------------
| [ 457.491146][ T1515] WARNING: CPU: 3 PID: 1515 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) 
| [  457.491870][ T1515] Modules linked in: bridge stp llc 8021q vrf veth
| [  457.493183][ T1515] Tainted: [W]=WARN
[  457.493593][ T1515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 457.494364][ T1515] 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) 
[ 457.494939][ T1515] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  457.496973][ T1515] RSP: 0018:ffffc900005b6ef0 EFLAGS: 00010246
[  457.497709][ T1515] RAX: 0000000000000000 RBX: ffff888005092000 RCX: 0000000000000001
[  457.498574][ T1515] RDX: 0000000000000000 RSI: ffffffffae69b939 RDI: ffffffffade555e0
[  457.499443][ T1515] RBP: ffffc900005b6fe0 R08: 0000000000000000 R09: 0000000000000000
[  457.500256][ T1515] R10: ffffc900005b7010 R11: ffffffffaf4a8918 R12: 1ffff920000b6de2
[  457.500818][ T1515] R13: 00000000000005dc R14: ffffc900005b7010 R15: ffff888005092f08
[  457.501315][ T1515] FS:  00007f10474dd800(0000) GS:ffff888085c37000(0000) knlGS:0000000000000000
[  457.501896][ T1515] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  457.502320][ T1515] CR2: 00000000004e5ab8 CR3: 000000000f0b3005 CR4: 0000000000772ef0
[  457.502819][ T1515] PKRU: 55555554
[  457.503081][ T1515] Call Trace:
[  457.503330][ T1515]  <TASK>
[ 457.503499][ T1515] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 457.503858][ T1515] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.504201][ T1515] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 457.504527][ T1515] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 457.505145][ T1515] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 457.505479][ T1515] netif_set_mtu (net/core/dev.c:9652) 
[ 457.505816][ T1515] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 457.506163][ T1515] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 457.506620][ T1515] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 457.506880][ T1515] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 457.507346][ T1515] br_add_if (net/bridge/br_if.c:697) bridge 
[ 457.507726][ T1515] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 457.508074][ T1515] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 457.508403][ T1515] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 457.508827][ T1515] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 457.509211][ T1515] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 457.509537][ T1515] ? __kernel_text_address (kernel/extable.c:79) 
[ 457.509878][ T1515] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.510218][ T1515] ? __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) 
[ 457.510541][ T1515] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 457.510952][ T1515] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 457.511291][ T1515] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 457.511616][ T1515] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 457.511946][ T1515] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 457.512298][ T1515] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.512624][ T1515] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 457.512960][ T1515] ? __create_object (mm/kmemleak.c:771) 
[ 457.513297][ T1515] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 457.513624][ T1515] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 457.513978][ T1515] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 457.514387][ T1515] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 457.514734][ T1515] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 457.515090][ T1515] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 457.515414][ T1515] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.515759][ T1515] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.516096][ T1515] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 457.516416][ T1515] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 457.516758][ T1515] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 457.517088][ T1515] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 457.517410][ T1515] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 457.517761][ T1515] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.518102][ T1515] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 457.518423][ T1515] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 457.518761][ T1515] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 457.519144][ T1515] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 457.519482][ T1515] ? 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) 
[ 457.519888][ T1515] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 457.520239][ T1515] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 457.520562][ T1515] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.520904][ T1515] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 457.521238][ T1515] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 457.521562][ T1515] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 457.521905][ T1515] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 457.522242][ T1515] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 457.522572][ T1515] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 457.523000][ T1515] ___sys_sendmsg (net/socket.c:2670) 
[ 457.523335][ T1515] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 457.523663][ T1515] ? __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) 
[ 457.524101][ T1515] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 457.524427][ T1515] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.524770][ T1515] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.525119][ T1515] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.525435][ T1515] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 457.525777][ T1515] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 457.526123][ T1515] __sys_sendmsg (net/socket.c:2700) 
[ 457.526445][ T1515] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 457.526856][ T1515] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 457.527204][ T1515] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 457.527537][ T1515] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 457.527871][ T1515] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  457.528284][ T1515] RIP: 0033:0x7f10476aa1e7
[ 457.528621][ T1515] 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)
[  457.529792][ T1515] RSP: 002b:00007ffdcaa1c388 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  457.530296][ T1515] RAX: ffffffffffffffda RBX: 00007ffdcaa1cab0 RCX: 00007f10476aa1e7
[  457.530789][ T1515] RDX: 0000000000000000 RSI: 00007ffdcaa1c3f0 RDI: 0000000000000005
[  457.531288][ T1515] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  457.531780][ T1515] R10: 0000000028e37910 R11: 0000000000000246 R12: 0000000000000003


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