======================================
| [   16.770992][  T278] veth1: entered promiscuous mode
| [   16.773670][  T278] ------------[ cut here ]------------
| [ 16.773997][ T278] WARNING: CPU: 3 PID: 278 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) 
| [   16.774680][  T278] Modules linked in: bridge stp llc veth
[   16.775714][  T278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.776129][ T278] 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) 
[ 16.776472][ T278] 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
[   16.777654][  T278] RSP: 0018:ffffc90000556ef0 EFLAGS: 00010246
[   16.778063][  T278] RAX: 0000000000000000 RBX: ffff88800bf0a000 RCX: 0000000000000001
[   16.778554][  T278] RDX: 0000000000000000 RSI: ffffffff8b69b941 RDI: ffffffff8ae555e0
[   16.779057][  T278] RBP: ffffc90000556fe0 R08: 0000000000000000 R09: 0000000000000000
[   16.779549][  T278] R10: ffffc90000557010 R11: ffffffff8c4a8918 R12: 1ffff920000aade2
[   16.780044][  T278] R13: 00000000000005dc R14: ffffc90000557010 R15: ffff88800bf0af08
[   16.780674][  T278] FS:  00007fdc8bd40800(0000) GS:ffff8880a8c37000(0000) knlGS:0000000000000000
[   16.781234][  T278] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.781652][  T278] CR2: 00000000004e5aa8 CR3: 000000000bcd1002 CR4: 0000000000772ef0
[   16.782147][  T278] PKRU: 55555554
[   16.782399][  T278] Call Trace:
[   16.782654][  T278]  <TASK>
[ 16.782834][ T278] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 16.783167][ T278] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.783504][ T278] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 16.783837][ T278] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.784247][ T278] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.784590][ T278] netif_set_mtu (net/core/dev.c:9652) 
[ 16.784930][ T278] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 16.785274][ T278] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 16.785740][ T278] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 16.785991][ T278] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 16.786446][ T278] br_add_if (net/bridge/br_if.c:697) bridge 
[ 16.786827][ T278] do_set_master (net/core/rtnetlink.c:2948) 
[ 16.787158][ T278] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 16.787482][ T278] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 16.787891][ T278] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 16.788214][ T278] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 16.788538][ T278] ? __kernel_text_address (kernel/extable.c:79) 
[ 16.788872][ T278] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.789196][ T278] ? __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) 
[ 16.789519][ T278] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 16.789926][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.790251][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.790574][ T278] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 16.790909][ T278] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 16.791237][ T278] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.791568][ T278] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 16.791901][ T278] ? __create_object (mm/kmemleak.c:771) 
[ 16.792232][ T278] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 16.792554][ T278] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 16.792892][ T278] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.793296][ T278] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 16.793634][ T278] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 16.793961][ T278] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 16.794283][ T278] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.794636][ T278] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.794959][ T278] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 16.795278][ T278] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.795612][ T278] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 16.795938][ T278] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 16.796263][ T278] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 16.796590][ T278] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.796925][ T278] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 16.797262][ T278] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 16.797585][ T278] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 16.797928][ T278] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 16.798256][ T278] ? 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) 
[ 16.798583][ T278] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 16.798919][ T278] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 16.799241][ T278] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.799565][ T278] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 16.799916][ T278] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 16.800242][ T278] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 16.800588][ T278] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 16.800933][ T278] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 16.801251][ T278] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 16.801814][ T278] ___sys_sendmsg (net/socket.c:2670) 
[ 16.802123][ T278] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 16.802440][ T278] ? __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) 
[ 16.802930][ T278] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 16.803255][ T278] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.803582][ T278] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.803921][ T278] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.804265][ T278] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 16.804591][ T278] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.804931][ T278] __sys_sendmsg (net/socket.c:2700) 
[ 16.805247][ T278] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 16.805660][ T278] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 16.805996][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.806319][ T278] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 16.806644][ T278] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.807020][  T278] RIP: 0033:0x7fdc8bf0d1e7
[ 16.807345][ T278] 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)
[   16.808729][  T278] RSP: 002b:00007ffc27674028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   16.809427][  T278] RAX: ffffffffffffffda RBX: 00007ffc27674750 RCX: 00007fdc8bf0d1e7
[   16.809905][  T278] RDX: 0000000000000000 RSI: 00007ffc27674090 RDI: 0000000000000005
[   16.810372][  T278] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   16.811075][  T278] R10: 00000000347b6910 R11: 0000000000000246 R12: 0000000000000004
[   16.811545][  T278] R13: 00000000686e418c R14: 0000000000499600 R15: 0000000000000000
| [   16.959312][  T279] ------------[ cut here ]------------
| [ 16.959751][ T279] WARNING: CPU: 3 PID: 279 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) 
| [   16.960357][  T279] Modules linked in: bridge stp llc veth
| [   16.961502][  T279] Tainted: [W]=WARN
[   16.961757][  T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.962143][ T279] 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) 
[ 16.962459][ T279] 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
[   16.963553][  T279] RSP: 0018:ffffc900005a6ef0 EFLAGS: 00010246
[   16.963945][  T279] RAX: 0000000000000000 RBX: ffff88800bf0a000 RCX: 0000000000000001
[   16.964412][  T279] RDX: 0000000000000000 RSI: ffffffff8b69b941 RDI: ffffffff8ae555e0
[   16.964879][  T279] RBP: ffffc900005a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   16.965331][  T279] R10: ffffc900005a7010 R11: ffffffff8c4a8918 R12: 1ffff920000b4de2
[   16.965790][  T279] R13: 00000000000005dc R14: ffffc900005a7010 R15: ffff88800bf0af08
[   16.966242][  T279] FS:  00007fe338746800(0000) GS:ffff8880a8c37000(0000) knlGS:0000000000000000
[   16.966779][  T279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.967161][  T279] CR2: 00000000004e5ab8 CR3: 00000000062ee004 CR4: 0000000000772ef0
[   16.967626][  T279] PKRU: 55555554
[   16.967855][  T279] Call Trace:
[   16.968079][  T279]  <TASK>
[ 16.968236][ T279] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 16.968540][ T279] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.968866][ T279] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 16.969170][ T279] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.969547][ T279] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.969859][ T279] netif_set_mtu (net/core/dev.c:9652) 
[ 16.970164][ T279] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 16.970477][ T279] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 16.970913][ T279] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 16.971147][ T279] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 16.971566][ T279] br_add_if (net/bridge/br_if.c:697) bridge 
[ 16.971926][ T279] do_set_master (net/core/rtnetlink.c:2948) 
[ 16.972233][ T279] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 16.972538][ T279] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 16.972933][ T279] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 16.973236][ T279] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 16.973541][ T279] ? __kernel_text_address (kernel/extable.c:79) 
[ 16.973857][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.974163][ T279] ? __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) 
[ 16.974479][ T279] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 16.974863][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.975171][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.975472][ T279] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 16.975787][ T279] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 16.976092][ T279] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.976397][ T279] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 16.976703][ T279] ? __create_object (mm/kmemleak.c:771) 
[ 16.977008][ T279] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 16.977311][ T279] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 16.977622][ T279] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.978001][ T279] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 16.978308][ T279] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 16.978628][ T279] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 16.978929][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.979238][ T279] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.979541][ T279] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 16.979852][ T279] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.980160][ T279] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 16.980471][ T279] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 16.980790][ T279] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 16.981096][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.981403][ T279] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 16.981712][ T279] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 16.982016][ T279] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 16.982331][ T279] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 16.982645][ T279] ? 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) 
[ 16.982951][ T279] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 16.983257][ T279] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 16.983557][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.983887][ T279] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 16.984194][ T279] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 16.984507][ T279] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 16.984825][ T279] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 16.985140][ T279] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 16.985442][ T279] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 16.985836][ T279] ___sys_sendmsg (net/socket.c:2670) 
[ 16.986135][ T279] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 16.986436][ T279] ? __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) 
[ 16.986820][ T279] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 16.987132][ T279] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.987436][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.987753][ T279] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.988054][ T279] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 16.988353][ T279] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.988672][ T279] __sys_sendmsg (net/socket.c:2700) 
[ 16.988970][ T279] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 16.989340][ T279] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 16.989667][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.989969][ T279] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 16.990271][ T279] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.990655][  T279] RIP: 0033:0x7fe3389131e7
[ 16.990967][ T279] 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)
[   16.992061][  T279] RSP: 002b:00007ffffc9b9a58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   16.992516][  T279] RAX: ffffffffffffffda RBX: 00007ffffc9ba180 RCX: 00007fe3389131e7
[   16.992980][  T279] RDX: 0000000000000000 RSI: 00007ffffc9b9ac0 RDI: 0000000000000005
[   16.993435][  T279] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   16.993903][  T279] R10: 000000000cfc8910 R11: 0000000000000246 R12: 0000000000000004


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