======================================
| [   20.495383][  T316] veth1: entered promiscuous mode
| [   20.497805][  T316] ------------[ cut here ]------------
| [ 20.498136][ T316] WARNING: CPU: 0 PID: 316 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) 
| [   20.498778][  T316] Modules linked in: bridge stp llc 8021q vrf veth
[   20.500815][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.501228][ T316] 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) 
[ 20.501555][ T316] 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
[   20.502679][  T316] RSP: 0018:ffffc90000606ef0 EFLAGS: 00010246
[   20.503079][  T316] RAX: 0000000000000000 RBX: ffff888012b42000 RCX: 0000000000000001
[   20.503554][  T316] RDX: 0000000000000000 RSI: ffffffff8949b941 RDI: ffffffff88c555e0
[   20.504021][  T316] RBP: ffffc90000606fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.504500][  T316] R10: ffffc90000607010 R11: ffffffff8a2a8918 R12: 1ffff920000c0de2
[   20.504971][  T316] R13: 00000000000005dc R14: ffffc90000607010 R15: ffff888012b42f08
[   20.505720][  T316] FS:  00007f088c7dc800(0000) GS:ffff8880aacb7000(0000) knlGS:0000000000000000
[   20.506272][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.506666][  T316] CR2: 00000000004e5aa8 CR3: 0000000002d46003 CR4: 0000000000772ef0
[   20.507143][  T316] PKRU: 55555554
[   20.507386][  T316] Call Trace:
[   20.507624][  T316]  <TASK>
[ 20.507791][ T316] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.508105][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.508438][ T316] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.508753][ T316] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.509147][ T316] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.509472][ T316] netif_set_mtu (net/core/dev.c:9652) 
[ 20.509787][ T316] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.510111][ T316] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.510559][ T316] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.510797][ T316] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.511248][ T316] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.511617][ T316] do_set_master (net/core/rtnetlink.c:2948) 
[ 20.511955][ T316] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.512283][ T316] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.512684][ T316] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.513000][ T316] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.513319][ T316] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.513642][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.513951][ T316] ? __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) 
[ 20.514273][ T316] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.514674][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.514987][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.515305][ T316] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.515621][ T316] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.515939][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.516266][ T316] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.516579][ T316] ? __create_object (mm/kmemleak.c:771) 
[ 20.516898][ T316] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.517221][ T316] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.517534][ T316] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.517920][ T316] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.518248][ T316] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.518574][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.518886][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.519212][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.519522][ T316] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.519834][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.520145][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.520463][ T316] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.520775][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.521110][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.521433][ T316] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.521751][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.522061][ T316] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.522393][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.522700][ T316] ? 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) 
[ 20.523015][ T316] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.523336][ T316] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.523647][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.523964][ T316] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.524283][ T316] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.524598][ T316] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.524915][ T316] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.525238][ T316] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.525549][ T316] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.525951][ T316] ___sys_sendmsg (net/socket.c:2670) 
[ 20.526280][ T316] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.526591][ T316] ? __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) 
[ 20.526978][ T316] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.527304][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.527622][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.527939][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.528262][ T316] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.528576][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.528894][ T316] __sys_sendmsg (net/socket.c:2700) 
[ 20.529211][ T316] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.529596][ T316] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.529922][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.530247][ T316] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.530570][ T316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.530970][  T316] RIP: 0033:0x7f088c9a91e7
[ 20.531308][ T316] 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)
[   20.532443][  T316] RSP: 002b:00007fff2a97adf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.532923][  T316] RAX: ffffffffffffffda RBX: 00007fff2a97b520 RCX: 00007f088c9a91e7
[   20.533405][  T316] RDX: 0000000000000000 RSI: 00007fff2a97ae60 RDI: 0000000000000005
[   20.534152][  T316] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.534863][  T316] R10: 00000000187b6910 R11: 0000000000000246 R12: 0000000000000004
[   20.535339][  T316] R13: 00000000686e205b R14: 0000000000499600 R15: 0000000000000000
| [   20.648553][  T318] ------------[ cut here ]------------
| [ 20.648871][ T318] WARNING: CPU: 0 PID: 318 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) 
| [   20.649496][  T318] Modules linked in: bridge stp llc 8021q vrf veth
| [   20.650555][  T318] Tainted: [W]=WARN
[   20.650794][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.651204][ T318] 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) 
[ 20.651527][ T318] 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
[   20.652706][  T318] RSP: 0018:ffffc900006d6ef0 EFLAGS: 00010246
[   20.653127][  T318] RAX: 0000000000000000 RBX: ffff888012b42000 RCX: 0000000000000001
[   20.653626][  T318] RDX: 0000000000000000 RSI: ffffffff8949b941 RDI: ffffffff88c555e0
[   20.654119][  T318] RBP: ffffc900006d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.654627][  T318] R10: ffffc900006d7010 R11: ffffffff8a2a8918 R12: 1ffff920000dade2
[   20.655128][  T318] R13: 00000000000005dc R14: ffffc900006d7010 R15: ffff888012b42f08
[   20.655642][  T318] FS:  00007f3918dbc800(0000) GS:ffff8880aacb7000(0000) knlGS:0000000000000000
[   20.656232][  T318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.656650][  T318] CR2: 00000000004e5ab0 CR3: 000000000ef2e005 CR4: 0000000000772ef0
[   20.657156][  T318] PKRU: 55555554
[   20.657418][  T318] Call Trace:
[   20.657670][  T318]  <TASK>
[ 20.657843][ T318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.658180][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.658533][ T318] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.658870][ T318] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.659291][ T318] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.659630][ T318] netif_set_mtu (net/core/dev.c:9652) 
[ 20.659963][ T318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.660317][ T318] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.660782][ T318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.661044][ T318] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.661501][ T318] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.661874][ T318] do_set_master (net/core/rtnetlink.c:2948) 
[ 20.662217][ T318] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.662551][ T318] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.662963][ T318] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.663298][ T318] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.663632][ T318] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.663956][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.664292][ T318] ? __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) 
[ 20.664624][ T318] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.665026][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.665356][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.665677][ T318] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.666007][ T318] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.666339][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.666664][ T318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.666986][ T318] ? __create_object (mm/kmemleak.c:771) 
[ 20.667318][ T318] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.667642][ T318] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.667983][ T318] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.668389][ T318] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.668717][ T318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.669045][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.669374][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.669708][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.670029][ T318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.670353][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.670677][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.671014][ T318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.671346][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.671682][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.672014][ T318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.672345][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.672669][ T318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.673005][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.673333][ T318] ? 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) 
[ 20.673669][ T318] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.674006][ T318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.674337][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.674676][ T318] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.675006][ T318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.675339][ T318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.675672][ T318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.676011][ T318] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.676357][ T318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.676773][ T318] ___sys_sendmsg (net/socket.c:2670) 
[ 20.677093][ T318] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.677422][ T318] ? __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) 
[ 20.677835][ T318] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.678158][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.678516][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.678830][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.679138][ T318] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.679495][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.679829][ T318] __sys_sendmsg (net/socket.c:2700) 
[ 20.680162][ T318] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.680569][ T318] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.680913][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.681248][ T318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.681572][ T318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.681980][  T318] RIP: 0033:0x7f3918f891e7
[ 20.682340][ T318] 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)
[   20.683504][  T318] RSP: 002b:00007ffdde935178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.684004][  T318] RAX: ffffffffffffffda RBX: 00007ffdde9358a0 RCX: 00007f3918f891e7
[   20.684518][  T318] RDX: 0000000000000000 RSI: 00007ffdde9351e0 RDI: 0000000000000005
[   20.684995][  T318] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.685489][  T318] R10: 000000001267e910 R11: 0000000000000246 R12: 0000000000000004


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