======================================
| [   62.480340][  T605] veth1: entered promiscuous mode
| [   62.484054][  T605] ------------[ cut here ]------------
| [ 62.484612][ T605] WARNING: CPU: 0 PID: 605 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) 
| [   62.485697][  T605] Modules linked in: bridge stp llc vrf veth
[   62.487489][  T605] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.488194][ T605] 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) 
[ 62.488779][ T605] 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
[   62.490742][  T605] RSP: 0018:ffffc900006f6ef0 EFLAGS: 00010246
[   62.491428][  T605] RAX: 0000000000000000 RBX: ffff88800b622000 RCX: 0000000000000001
[   62.492262][  T605] RDX: 0000000000000000 RSI: ffffffff92c9b939 RDI: ffffffff924555e0
[   62.492945][  T605] RBP: ffffc900006f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   62.493570][  T605] R10: ffffc900006f7010 R11: ffffffff93aa8918 R12: 1ffff920000dede2
[   62.494408][  T605] R13: 00000000000005dc R14: ffffc900006f7010 R15: ffff88800b622f08
[   62.495241][  T605] FS:  00007f0548801800(0000) GS:ffff8880a14b7000(0000) knlGS:0000000000000000
[   62.496218][  T605] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.496919][  T605] CR2: 0000000000406141 CR3: 000000000b714006 CR4: 0000000000772ef0
[   62.498003][  T605] PKRU: 55555554
[   62.498422][  T605] Call Trace:
[   62.498846][  T605]  <TASK>
[ 62.499135][ T605] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 62.499698][ T605] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.500258][ T605] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 62.500814][ T605] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 62.501502][ T605] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 62.502068][ T605] netif_set_mtu (net/core/dev.c:9652) 
[ 62.502619][ T605] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 62.503205][ T605] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 62.503967][ T605] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 62.504378][ T605] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 62.505148][ T605] br_add_if (net/bridge/br_if.c:697) bridge 
[ 62.505786][ T605] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 62.506347][ T605] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.506905][ T605] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 62.507603][ T605] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 62.508157][ T605] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 62.508709][ T605] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.509263][ T605] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.509829][ T605] ? __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) 
[ 62.510367][ T605] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 62.511052][ T605] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.511597][ T605] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.512151][ T605] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 62.512715][ T605] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 62.513277][ T605] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.513836][ T605] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 62.514379][ T605] ? __create_object (mm/kmemleak.c:771) 
[ 62.514934][ T605] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 62.515479][ T605] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 62.516041][ T605] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.516581][ T605] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 62.517020][ T605] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 62.517581][ T605] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.518136][ T605] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.518710][ T605] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.519261][ T605] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 62.519816][ T605] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.520357][ T605] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.520913][ T605] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 62.521465][ T605] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.522033][ T605] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.522589][ T605] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 62.523162][ T605] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.523725][ T605] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 62.524300][ T605] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 62.524853][ T605] ? 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) 
[ 62.525405][ T605] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 62.525974][ T605] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.526515][ T605] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.527094][ T605] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.527666][ T605] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.528219][ T605] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.528788][ T605] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.529359][ T605] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.529916][ T605] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.530624][ T605] ___sys_sendmsg (net/socket.c:2670) 
[ 62.531185][ T605] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.531742][ T605] ? __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) 
[ 62.532412][ T605] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.533003][ T605] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.533555][ T605] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.534126][ T605] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.534686][ T605] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 62.535225][ T605] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.535791][ T605] __sys_sendmsg (net/socket.c:2700) 
[ 62.536340][ T605] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.537046][ T605] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.537615][ T605] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.538175][ T605] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.538733][ T605] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.539350][  T605] RIP: 0033:0x7f05489ce1e7
[ 62.539793][ T605] 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)
[   62.542707][  T605] RSP: 002b:00007ffed5d7fe88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.543545][  T605] RAX: ffffffffffffffda RBX: 00007ffed5d805b0 RCX: 00007f05489ce1e7
[   62.544380][  T605] RDX: 0000000000000000 RSI: 00007ffed5d7fef0 RDI: 0000000000000005
[   62.545171][  T605] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   62.545929][  T605] R10: 000000000c0dd910 R11: 0000000000000246 R12: 0000000000000004
[   62.547171][  T605] R13: 00000000686e6922 R14: 0000000000499600 R15: 0000000000000000
| [   62.829101][  T607] ------------[ cut here ]------------
| [ 62.829416][ T607] WARNING: CPU: 1 PID: 607 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) 
| [   62.830038][  T607] Modules linked in: bridge stp llc vrf veth
| [   62.832359][  T607] Tainted: [W]=WARN
[   62.832599][  T607] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.833006][ T607] 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) 
[ 62.833321][ T607] 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
[   62.834409][  T607] RSP: 0018:ffffc900006f6ef0 EFLAGS: 00010246
[   62.834807][  T607] RAX: 0000000000000000 RBX: ffff88800b622000 RCX: 0000000000000001
[   62.835264][  T607] RDX: 0000000000000000 RSI: ffffffff92c9b939 RDI: ffffffff924555e0
[   62.835727][  T607] RBP: ffffc900006f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   62.836187][  T607] R10: ffffc900006f7010 R11: ffffffff93aa8918 R12: 1ffff920000dede2
[   62.836640][  T607] R13: 00000000000005dc R14: ffffc900006f7010 R15: ffff88800b622f08
[   62.837113][  T607] FS:  00007ff62906f800(0000) GS:ffff8880a1537000(0000) knlGS:0000000000000000
[   62.837644][  T607] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.838038][  T607] CR2: 00000000004e5ab0 CR3: 00000000020f5002 CR4: 0000000000772ef0
[   62.838496][  T607] PKRU: 55555554
[   62.838733][  T607] Call Trace:
[   62.838970][  T607]  <TASK>
[ 62.839130][ T607] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 62.839437][ T607] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.839761][ T607] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 62.840078][ T607] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 62.840461][ T607] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 62.840779][ T607] netif_set_mtu (net/core/dev.c:9652) 
[ 62.841086][ T607] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 62.841410][ T607] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 62.841848][ T607] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 62.842082][ T607] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 62.842508][ T607] br_add_if (net/bridge/br_if.c:697) bridge 
[ 62.842880][ T607] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 62.843193][ T607] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.843512][ T607] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 62.843909][ T607] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 62.844221][ T607] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 62.844525][ T607] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.844846][ T607] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.845156][ T607] ? __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) 
[ 62.845462][ T607] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 62.845857][ T607] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.846164][ T607] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.846468][ T607] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 62.846781][ T607] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 62.847089][ T607] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.847395][ T607] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 62.847707][ T607] ? __create_object (mm/kmemleak.c:771) 
[ 62.848019][ T607] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 62.848334][ T607] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 62.848640][ T607] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.849029][ T607] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 62.849340][ T607] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 62.849658][ T607] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.849962][ T607] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.850272][ T607] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.850581][ T607] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 62.850894][ T607] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.851201][ T607] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.851502][ T607] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 62.851818][ T607] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.852131][ T607] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.852440][ T607] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 62.852754][ T607] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.853081][ T607] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 62.853398][ T607] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 62.853728][ T607] ? 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) 
[ 62.854035][ T607] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 62.854346][ T607] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.854660][ T607] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.854971][ T607] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.855286][ T607] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.855592][ T607] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.855920][ T607] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.856233][ T607] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.856537][ T607] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.856942][ T607] ___sys_sendmsg (net/socket.c:2670) 
[ 62.857245][ T607] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.857554][ T607] ? __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) 
[ 62.857942][ T607] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.858251][ T607] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.858560][ T607] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.858885][ T607] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.859191][ T607] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 62.859497][ T607] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.859830][ T607] __sys_sendmsg (net/socket.c:2700) 
[ 62.860137][ T607] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.860521][ T607] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.860844][ T607] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.861150][ T607] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.861455][ T607] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.861840][  T607] RIP: 0033:0x7ff62923c1e7
[ 62.862159][ T607] 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)
[   62.863269][  T607] RSP: 002b:00007fff86e63b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.863739][  T607] RAX: ffffffffffffffda RBX: 00007fff86e642c0 RCX: 00007ff62923c1e7
[   62.864209][  T607] RDX: 0000000000000000 RSI: 00007fff86e63c00 RDI: 0000000000000005
[   62.864677][  T607] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   62.865132][  T607] R10: 0000000035ad9910 R11: 0000000000000246 R12: 0000000000000004
[   62.865587][  T607] R13: 00000000686e6922 R14: 0000000000499600 R15: 0000000000000000
| [   93.308695][  T824] ------------[ cut here ]------------
| [ 93.309046][ T824] WARNING: CPU: 3 PID: 824 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) 
| [   93.309676][  T824] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth
| [   93.310864][  T824] Tainted: [W]=WARN
[   93.311102][  T824] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.311501][ T824] 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) 
[ 93.312326][ T824] 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
[   93.313436][  T824] RSP: 0018:ffffc90000c76f70 EFLAGS: 00010246
[   93.313859][  T824] RAX: 0000000000000000 RBX: ffff88800b622000 RCX: 0000000000000001
[   93.314333][  T824] RDX: 0000000000000000 RSI: ffffffff92c9b939 RDI: ffffffff924555e0
[   93.314800][  T824] RBP: ffffc90000c77058 R08: 0000000000000000 R09: 0000000000000000
[   93.315260][  T824] R10: ffffc90000c77088 R11: ffffffff8f000130 R12: 1ffff9200018edf2
[   93.315730][  T824] R13: 00000000000005dc R14: ffffc90000c77088 R15: ffff88800b622f08
[   93.316199][  T824] FS:  00007f51701dc800(0000) GS:ffff8880a1637000(0000) knlGS:0000000000000000
[   93.316762][  T824] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.317199][  T824] CR2: 00000000004e5ab0 CR3: 000000000a926006 CR4: 0000000000772ef0
[   93.317685][  T824] PKRU: 55555554
[   93.317917][  T824] Call Trace:
[   93.318145][  T824]  <TASK>
[ 93.318308][ T824] ? __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) 
[ 93.318709][ T824] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 93.319065][ T824] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 93.319371][ T824] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 93.319689][ T824] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 93.319996][ T824] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 93.320308][ T824] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 93.320616][ T824] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 93.320932][ T824] ? ___sys_sendmsg (net/socket.c:2670) 
[ 93.321238][ T824] ? __sys_sendmsg (net/socket.c:2700) 
[ 93.321542][ T824] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 93.321868][ T824] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 93.322248][ T824] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.322562][ T824] netif_set_mtu (net/core/dev.c:9652) 
[ 93.322889][ T824] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 93.323225][ T824] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 93.323457][ T824] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 93.323893][ T824] br_del_if (net/bridge/br_if.c:743) bridge 
[ 93.324233][ T824] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 93.324541][ T824] do_set_master (net/core/rtnetlink.c:2932) 
[ 93.324856][ T824] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 93.325165][ T824] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 93.325559][ T824] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 93.325869][ T824] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 93.326186][ T824] ? __kernel_text_address (kernel/extable.c:79) 
[ 93.326495][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.326815][ T824] ? __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) 
[ 93.327123][ T824] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 93.327501][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 93.327823][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 93.328128][ T824] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 93.328433][ T824] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 93.328748][ T824] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.329055][ T824] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 93.329355][ T824] ? __create_object (mm/kmemleak.c:771) 
[ 93.329676][ T824] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 93.329987][ T824] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 93.330299][ T824] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 93.330715][ T824] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 93.331032][ T824] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 93.331342][ T824] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 93.331669][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.331984][ T824] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.332289][ T824] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 93.332599][ T824] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 93.332927][ T824] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 93.333236][ T824] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 93.333543][ T824] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 93.333860][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.334171][ T824] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 93.334479][ T824] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 93.334812][ T824] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 93.335142][ T824] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 93.335444][ T824] ? 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) 
[ 93.335759][ T824] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 93.336069][ T824] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 93.336374][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.336689][ T824] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 93.337001][ T824] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 93.337315][ T824] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 93.337633][ T824] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 93.337948][ T824] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 93.338256][ T824] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 93.338644][ T824] ___sys_sendmsg (net/socket.c:2670) 
[ 93.338959][ T824] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 93.339262][ T824] ? __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) 
[ 93.339645][ T824] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 93.339965][ T824] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.340272][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.340582][ T824] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.340892][ T824] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 93.341195][ T824] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 93.341507][ T824] __sys_sendmsg (net/socket.c:2700) 
[ 93.341820][ T824] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 93.342198][ T824] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 93.342516][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 93.342837][ T824] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 93.343151][ T824] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   93.343574][  T824] RIP: 0033:0x7f51703a91e7
[ 93.343896][ T824] 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)
[   93.345011][  T824] RSP: 002b:00007ffe2f7acee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   93.345470][  T824] RAX: ffffffffffffffda RBX: 00007ffe2f7ad610 RCX: 00007f51703a91e7
[   93.345936][  T824] RDX: 0000000000000000 RSI: 00007ffe2f7acf50 RDI: 0000000000000005
[   93.346399][  T824] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   93.346865][  T824] R10: 00007f51702a6ee8 R11: 0000000000000246 R12: 0000000000000003
[   93.347330][  T824] R13: 00000000686e6941 R14: 0000000000499600 R15: 0000000000000000
| [   93.580399][  T826] ------------[ cut here ]------------
| [ 93.580770][ T826] WARNING: CPU: 2 PID: 826 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) 
| [   93.581387][  T826] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth
| [   93.582592][  T826] Tainted: [W]=WARN
[   93.582880][  T826] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.583286][ T826] 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) 
[ 93.583614][ T826] 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
[   93.584891][  T826] RSP: 0018:ffffc90000c96f70 EFLAGS: 00010246
[   93.585543][  T826] RAX: 0000000000000000 RBX: ffff88800b622000 RCX: 0000000000000001
[   93.586232][  T826] RDX: 0000000000000000 RSI: ffffffff92c9b939 RDI: ffffffff924555e0
[   93.586842][  T826] RBP: ffffc90000c97058 R08: 0000000000000000 R09: 0000000000000000
[   93.587313][  T826] R10: ffffc90000c97088 R11: ffffffff93179160 R12: 1ffff92000192df2
[   93.587799][  T826] R13: 00000000000005dc R14: ffffc90000c97088 R15: ffff88800b622f08
[   93.588271][  T826] FS:  00007f2bb2911800(0000) GS:ffff8880a15b7000(0000) knlGS:0000000000000000
[   93.588830][  T826] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.589227][  T826] CR2: 00000000004e5aa8 CR3: 000000000f1d1004 CR4: 0000000000772ef0
[   93.589709][  T826] PKRU: 55555554
[   93.589955][  T826] Call Trace:
[   93.590200][  T826]  <TASK>
[ 93.590366][ T826] ? __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) 
[ 93.590771][ T826] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 93.591134][ T826] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 93.591452][ T826] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 93.591780][ T826] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 93.592104][ T826] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 93.592424][ T826] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 93.592749][ T826] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 93.593084][ T826] ? ___sys_sendmsg (net/socket.c:2670) 
[ 93.593402][ T826] ? __sys_sendmsg (net/socket.c:2700) 
[ 93.593730][ T826] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 93.594051][ T826] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 93.594443][ T826] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.594783][ T826] netif_set_mtu (net/core/dev.c:9652) 
[ 93.595110][ T826] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 93.595444][ T826] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 93.595700][ T826] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 93.596139][ T826] br_del_if (net/bridge/br_if.c:743) bridge 
[ 93.596496][ T826] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 93.596851][ T826] do_set_master (net/core/rtnetlink.c:2932) 
[ 93.597176][ T826] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 93.597505][ T826] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 93.597914][ T826] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 93.598229][ T826] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 93.598544][ T826] ? __kernel_text_address (kernel/extable.c:79) 
[ 93.598873][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.599195][ T826] ? __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) 
[ 93.599510][ T826] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 93.599920][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 93.600244][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 93.600560][ T826] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 93.600905][ T826] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 93.601225][ T826] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.601541][ T826] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 93.601882][ T826] ? __create_object (mm/kmemleak.c:771) 
[ 93.602203][ T826] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 93.602531][ T826] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 93.602886][ T826] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 93.603278][ T826] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 93.603601][ T826] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 93.603951][ T826] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 93.604268][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.604607][ T826] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.604961][ T826] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 93.605296][ T826] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 93.605627][ T826] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 93.605984][ T826] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 93.606318][ T826] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 93.606671][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.607019][ T826] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 93.607354][ T826] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 93.607710][ T826] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 93.608055][ T826] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 93.608386][ T826] ? 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) 
[ 93.608745][ T826] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 93.609079][ T826] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 93.609416][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.609769][ T826] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 93.610113][ T826] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 93.610446][ T826] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 93.610802][ T826] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 93.611147][ T826] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 93.611484][ T826] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 93.611934][ T826] ___sys_sendmsg (net/socket.c:2670) 
[ 93.612273][ T826] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 93.612611][ T826] ? __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) 
[ 93.613073][ T826] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 93.613414][ T826] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.613771][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.614113][ T826] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.614451][ T826] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 93.614782][ T826] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 93.615132][ T826] __sys_sendmsg (net/socket.c:2700) 
[ 93.615452][ T826] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 93.615859][ T826] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 93.616207][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 93.616544][ T826] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 93.616878][ T826] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   93.617285][  T826] RIP: 0033:0x7f2bb2ade1e7
[ 93.617636][ T826] 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)
[   93.618770][  T826] RSP: 002b:00007fff9fe6d318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   93.619245][  T826] RAX: ffffffffffffffda RBX: 00007fff9fe6da40 RCX: 00007f2bb2ade1e7
[   93.619730][  T826] RDX: 0000000000000000 RSI: 00007fff9fe6d380 RDI: 0000000000000005
[   93.620234][  T826] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   93.620733][  T826] R10: 00007f2bb29dbee8 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