======================================
| [   20.406381][  T312] veth1: entered promiscuous mode
| [   20.407705][  T312] ------------[ cut here ]------------
| [ 20.408045][ T312] WARNING: CPU: 0 PID: 312 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.408949][  T312] Modules linked in: bridge stp llc 8021q vrf veth
[   20.410037][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.410452][ T312] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.410793][ T312] 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
[   20.411933][  T312] RSP: 0018:ffffc900005f6ef0 EFLAGS: 00010246
[   20.412348][  T312] RAX: 0000000000000000 RBX: ffff88800b662000 RCX: 0000000000000001
[   20.412832][  T312] RDX: 0000000000000000 RSI: ffffffff9349b939 RDI: ffffffff92c555e0
[   20.413469][  T312] RBP: ffffc900005f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.413933][  T312] R10: ffffc900005f7010 R11: ffffffff942a8918 R12: 1ffff920000bede2
[   20.414405][  T312] R13: 00000000000005dc R14: ffffc900005f7010 R15: ffff88800b662f08
[   20.414880][  T312] FS:  00007fa555292800(0000) GS:ffff8880a0cb7000(0000) knlGS:0000000000000000
[   20.415424][  T312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.415810][  T312] CR2: 00000000004e5aa8 CR3: 000000000e45a002 CR4: 0000000000772ef0
[   20.416279][  T312] PKRU: 55555554
[   20.416537][  T312] Call Trace:
[   20.416783][  T312]  <TASK>
[ 20.416954][ T312] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.417280][ T312] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.417628][ T312] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.417939][ T312] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.418340][ T312] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.418653][ T312] netif_set_mtu (net/core/dev.c:9652) 
[ 20.418970][ T312] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.419297][ T312] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.419725][ T312] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.419961][ T312] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.420387][ T312] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.420750][ T312] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 20.421065][ T312] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.421387][ T312] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.421775][ T312] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.422089][ T312] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.422417][ T312] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.422742][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.423051][ T312] ? __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) 
[ 20.423361][ T312] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.423747][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.424063][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.424377][ T312] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.424687][ T312] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.424993][ T312] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.425311][ T312] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.425635][ T312] ? __create_object (mm/kmemleak.c:771) 
[ 20.425954][ T312] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.426266][ T312] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.426598][ T312] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.426977][ T312] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.427298][ T312] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.427614][ T312] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.427920][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.428232][ T312] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.428556][ T312] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.428861][ T312] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.429169][ T312] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.429486][ T312] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.429795][ T312] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.430102][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.430426][ T312] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.430743][ T312] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.431052][ T312] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.431379][ T312] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.431688][ T312] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.431997][ T312] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.432335][ T312] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.432649][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.432961][ T312] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.433276][ T312] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.433608][ T312] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.433934][ T312] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.434255][ T312] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.434575][ T312] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.434972][ T312] ___sys_sendmsg (net/socket.c:2670) 
[ 20.435277][ T312] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.435603][ T312] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 20.435983][ T312] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.436303][ T312] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.436619][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.436934][ T312] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.437241][ T312] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.437559][ T312] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.437873][ T312] __sys_sendmsg (net/socket.c:2700) 
[ 20.438180][ T312] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.438568][ T312] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.438885][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.439197][ T312] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.439517][ T312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.439901][  T312] RIP: 0033:0x7fa55545f1e7
[ 20.440220][ T312] 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)
[   20.441336][  T312] RSP: 002b:00007ffd46204398 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.441803][  T312] RAX: ffffffffffffffda RBX: 00007ffd46204ac0 RCX: 00007fa55545f1e7
[   20.443003][  T312] RDX: 0000000000000000 RSI: 00007ffd46204400 RDI: 0000000000000005
[   20.443472][  T312] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.443930][  T312] R10: 00000000285e0910 R11: 0000000000000246 R12: 0000000000000004
[   20.444415][  T312] R13: 00000000686e754a R14: 0000000000499600 R15: 0000000000000000
| [   40.071004][  T455] ------------[ cut here ]------------
| [ 40.071333][ T455] WARNING: CPU: 3 PID: 455 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) 
| [   40.071939][  T455] Modules linked in: bridge stp llc 8021q vrf veth
| [   40.073015][  T455] Tainted: [W]=WARN
[   40.073254][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.073669][ T455] 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) 
[ 40.073989][ T455] 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
[   40.075101][  T455] RSP: 0018:ffffc90000ce6f70 EFLAGS: 00010246
[   40.075647][  T455] RAX: 0000000000000000 RBX: ffff88800b662000 RCX: 0000000000000001
[   40.076108][  T455] RDX: 0000000000000000 RSI: ffffffff9349b939 RDI: ffffffff92c555e0
[   40.076807][  T455] RBP: ffffc90000ce7058 R08: 0000000000000000 R09: 0000000000000000
[   40.077265][  T455] R10: ffffc90000ce7088 R11: ffffffff8f800130 R12: 1ffff9200019cdf2
[   40.077905][  T455] R13: 00000000000005dc R14: ffffc90000ce7088 R15: ffff88800b662f08
[   40.078368][  T455] FS:  00007efd78f98800(0000) GS:ffff8880a0e37000(0000) knlGS:0000000000000000
[   40.078906][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.079301][  T455] CR2: 00000000004e5aa8 CR3: 000000000967e003 CR4: 0000000000772ef0
[   40.079759][  T455] PKRU: 55555554
[   40.079985][  T455] Call Trace:
[   40.080212][  T455]  <TASK>
[ 40.080393][ T455] ? __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) 
[ 40.080798][ T455] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 40.081138][ T455] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 40.081458][ T455] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 40.081761][ T455] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.082063][ T455] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.082403][ T455] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.082706][ T455] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.083014][ T455] ? ___sys_sendmsg (net/socket.c:2670) 
[ 40.083323][ T455] ? __sys_sendmsg (net/socket.c:2700) 
[ 40.083625][ T455] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.083928][ T455] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 40.084312][ T455] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.084661][ T455] netif_set_mtu (net/core/dev.c:9652) 
[ 40.084966][ T455] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 40.085297][ T455] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 40.085535][ T455] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 40.085950][ T455] br_del_if (net/bridge/br_if.c:743) bridge 
[ 40.086281][ T455] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 40.086611][ T455] do_set_master (net/core/rtnetlink.c:2932) 
[ 40.086917][ T455] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 40.087230][ T455] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.087619][ T455] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.087932][ T455] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.088235][ T455] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.088595][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.088906][ T455] ? __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) 
[ 40.089210][ T455] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.089599][ T455] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.089912][ T455] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.090218][ T455] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.090532][ T455] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.090839][ T455] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.091142][ T455] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.091451][ T455] ? __create_object (mm/kmemleak.c:771) 
[ 40.091756][ T455] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.092064][ T455] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.092410][ T455] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.092810][ T455] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.093123][ T455] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.093444][ T455] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.093750][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.094059][ T455] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.094377][ T455] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.094685][ T455] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.094995][ T455] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.095316][ T455] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.095626][ T455] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.095935][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.096248][ T455] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.096594][ T455] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.096902][ T455] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.097218][ T455] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.097542][ T455] ? 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) 
[ 40.097852][ T455] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.098159][ T455] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.098476][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.098790][ T455] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.099101][ T455] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.099414][ T455] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.099736][ T455] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.100043][ T455] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.100354][ T455] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.100775][ T455] ___sys_sendmsg (net/socket.c:2670) 
[ 40.101082][ T455] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.101398][ T455] ? __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) 
[ 40.101781][ T455] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.102097][ T455] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.102430][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.102740][ T455] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.103047][ T455] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.103358][ T455] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.103672][ T455] __sys_sendmsg (net/socket.c:2700) 
[ 40.103975][ T455] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.104384][ T455] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.104717][ T455] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.105034][ T455] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.105348][ T455] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.105728][  T455] RIP: 0033:0x7efd791651e7
[ 40.106044][ T455] 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)
[   40.107143][  T455] RSP: 002b:00007ffd726242d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.107612][  T455] RAX: ffffffffffffffda RBX: 00007ffd72624a00 RCX: 00007efd791651e7
[   40.108067][  T455] RDX: 0000000000000000 RSI: 00007ffd72624340 RDI: 0000000000000005
[   40.108562][  T455] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   40.109031][  T455] R10: 00007efd79062ee8 R11: 0000000000000246 R12: 0000000000000003


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