======================================
| [   16.610796][  T275] veth1: entered promiscuous mode
| [   16.612990][  T275] ------------[ cut here ]------------
| [ 16.613335][ T275] WARNING: CPU: 3 PID: 275 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) 
| [   16.614059][  T275] Modules linked in: bridge stp llc veth
[   16.615005][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.616451][ T275] 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) 
[ 16.616777][ T275] 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
[   16.617886][  T275] RSP: 0018:ffffc90000756ef0 EFLAGS: 00010246
[   16.618286][  T275] RAX: 0000000000000000 RBX: ffff88800dd2a000 RCX: 0000000000000001
[   16.618747][  T275] RDX: 0000000000000000 RSI: ffffffffb7a9b941 RDI: ffffffffb72555e0
[   16.619233][  T275] RBP: ffffc90000756fe0 R08: 0000000000000000 R09: 0000000000000000
[   16.619694][  T275] R10: ffffc90000757010 R11: ffffffffb88a8918 R12: 1ffff920000eade2
[   16.620170][  T275] R13: 00000000000005dc R14: ffffc90000757010 R15: ffff88800dd2af08
[   16.620636][  T275] FS:  00007ff0965f8800(0000) GS:ffff888075a37000(0000) knlGS:0000000000000000
[   16.621181][  T275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.621580][  T275] CR2: 00000000004e5aa8 CR3: 000000000dd07003 CR4: 0000000000772ef0
[   16.622222][  T275] PKRU: 55555554
[   16.622456][  T275] Call Trace:
[   16.622688][  T275]  <TASK>
[ 16.622848][ T275] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 16.623171][ T275] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.623490][ T275] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 16.623801][ T275] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.624191][ T275] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.624498][ T275] netif_set_mtu (net/core/dev.c:9652) 
[ 16.624806][ T275] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 16.625129][ T275] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 16.625556][ T275] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 16.625786][ T275] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 16.626212][ T275] br_add_if (net/bridge/br_if.c:697) bridge 
[ 16.626571][ T275] do_set_master (net/core/rtnetlink.c:2948) 
[ 16.626880][ T275] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 16.627204][ T275] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 16.627590][ T275] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 16.627893][ T275] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 16.628202][ T275] ? __kernel_text_address (kernel/extable.c:79) 
[ 16.628513][ T275] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.628823][ T275] ? __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) 
[ 16.629148][ T275] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 16.629526][ T275] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.629835][ T275] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.630146][ T275] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 16.630455][ T275] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 16.630755][ T275] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.631060][ T275] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 16.631375][ T275] ? __create_object (mm/kmemleak.c:771) 
[ 16.631685][ T275] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 16.631989][ T275] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 16.632319][ T275] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.632699][ T275] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 16.633011][ T275] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 16.633332][ T275] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 16.633638][ T275] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.633956][ T275] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.634272][ T275] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 16.634576][ T275] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.634884][ T275] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 16.635197][ T275] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 16.635502][ T275] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 16.635811][ T275] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.636129][ T275] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 16.636438][ T275] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 16.636746][ T275] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 16.637097][ T275] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 16.637406][ T275] ? 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) 
[ 16.637711][ T275] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 16.638019][ T275] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 16.638333][ T275] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.638646][ T275] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 16.638965][ T275] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 16.639280][ T275] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 16.639592][ T275] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 16.639900][ T275] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 16.640216][ T275] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 16.640604][ T275] ___sys_sendmsg (net/socket.c:2670) 
[ 16.640909][ T275] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 16.641222][ T275] ? __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) 
[ 16.641605][ T275] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 16.641913][ T275] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.642229][ T275] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.642540][ T275] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.642847][ T275] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 16.643163][ T275] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.643480][ T275] __sys_sendmsg (net/socket.c:2700) 
[ 16.643784][ T275] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 16.644170][ T275] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 16.644488][ T275] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.644797][ T275] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 16.645105][ T275] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.645498][  T275] RIP: 0033:0x7ff0967c51e7
[ 16.645815][ T275] 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)
[   16.646919][  T275] RSP: 002b:00007ffd643e7258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   16.647396][  T275] RAX: ffffffffffffffda RBX: 00007ffd643e7980 RCX: 00007ff0967c51e7
[   16.647858][  T275] RDX: 0000000000000000 RSI: 00007ffd643e72c0 RDI: 0000000000000005
[   16.648325][  T275] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   16.648792][  T275] R10: 000000002c2ea910 R11: 0000000000000246 R12: 0000000000000004
[   16.649282][  T275] R13: 00000000686e17c7 R14: 0000000000499600 R15: 0000000000000000
| [   16.777434][  T277] ------------[ cut here ]------------
| [ 16.777742][ T277] WARNING: CPU: 3 PID: 277 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) 
| [   16.778362][  T277] Modules linked in: bridge stp llc veth
| [   16.779324][  T277] Tainted: [W]=WARN
[   16.779568][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.779953][ T277] 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) 
[ 16.780286][ T277] 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
[   16.781378][  T277] RSP: 0018:ffffc90000756ef0 EFLAGS: 00010246
[   16.781765][  T277] RAX: 0000000000000000 RBX: ffff88800dd2a000 RCX: 0000000000000001
[   16.782242][  T277] RDX: 0000000000000000 RSI: ffffffffb7a9b941 RDI: ffffffffb72555e0
[   16.782700][  T277] RBP: ffffc90000756fe0 R08: 0000000000000000 R09: 0000000000000000
[   16.783168][  T277] R10: ffffc90000757010 R11: ffffffffb88a8918 R12: 1ffff920000eade2
[   16.783622][  T277] R13: 00000000000005dc R14: ffffc90000757010 R15: ffff88800dd2af08
[   16.784081][  T277] FS:  00007f849ebf5800(0000) GS:ffff888075a37000(0000) knlGS:0000000000000000
[   16.784618][  T277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.785001][  T277] CR2: 00000000004e5ab8 CR3: 000000000e810005 CR4: 0000000000772ef0
[   16.785463][  T277] PKRU: 55555554
[   16.785694][  T277] Call Trace:
[   16.785920][  T277]  <TASK>
[ 16.786078][ T277] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 16.786397][ T277] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.786711][ T277] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 16.787015][ T277] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.787403][ T277] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.787713][ T277] netif_set_mtu (net/core/dev.c:9652) 
[ 16.788019][ T277] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 16.788345][ T277] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 16.788778][ T277] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 16.789026][ T277] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 16.789452][ T277] br_add_if (net/bridge/br_if.c:697) bridge 
[ 16.789804][ T277] do_set_master (net/core/rtnetlink.c:2948) 
[ 16.790116][ T277] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 16.790451][ T277] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 16.790838][ T277] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 16.791153][ T277] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 16.791456][ T277] ? __kernel_text_address (kernel/extable.c:79) 
[ 16.791767][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.792077][ T277] ? __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) 
[ 16.792396][ T277] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 16.792777][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.793090][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.793403][ T277] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 16.793708][ T277] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 16.794015][ T277] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.794333][ T277] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 16.794640][ T277] ? __create_object (mm/kmemleak.c:771) 
[ 16.794949][ T277] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 16.795273][ T277] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 16.795594][ T277] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.795971][ T277] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 16.796291][ T277] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 16.796607][ T277] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 16.796908][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.797226][ T277] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.798244][ T277] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 16.798549][ T277] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.799092][ T277] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 16.799404][ T277] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 16.799707][ T277] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 16.800243][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.800552][ T277] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 16.801307][ T277] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 16.801611][ T277] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 16.801934][ T277] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 16.802242][ T277] ? 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) 
[ 16.802545][ T277] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 16.802852][ T277] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 16.803162][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.803469][ T277] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 16.803996][ T277] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 16.804310][ T277] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 16.804841][ T277] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 16.805153][ T277] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 16.805457][ T277] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 16.806065][ T277] ___sys_sendmsg (net/socket.c:2670) 
[ 16.806373][ T277] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 16.806676][ T277] ? __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) 
[ 16.807057][ T277] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 16.807370][ T277] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.807675][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.807983][ T277] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.808293][ T277] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 16.808594][ T277] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.809365][ T277] __sys_sendmsg (net/socket.c:2700) 
[ 16.809668][ T277] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 16.810278][ T277] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 16.810594][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.810900][ T277] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 16.811211][ T277] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.811587][  T277] RIP: 0033:0x7f849edc21e7
[ 16.812362][ T277] 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)
[   16.813460][  T277] RSP: 002b:00007ffed596b728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   16.813921][  T277] RAX: ffffffffffffffda RBX: 00007ffed596be50 RCX: 00007f849edc21e7
[   16.814392][  T277] RDX: 0000000000000000 RSI: 00007ffed596b790 RDI: 0000000000000005
[   16.814849][  T277] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   16.815311][  T277] R10: 000000000613a910 R11: 0000000000000246 R12: 0000000000000004


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