======================================
| [  104.487332][  T843] br: port 1(vx) entered forwarding state
| [  104.489034][  T843] ------------[ cut here ]------------
| [ 104.489378][ T843] WARNING: CPU: 1 PID: 843 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) 
| [  104.489977][  T843] Modules linked in: vxlan xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
[  104.491239][  T843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 104.491610][ T843] 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) 
[ 104.491928][ T843] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  104.492988][  T843] RSP: 0018:ffffc90000526ef0 EFLAGS: 00010246
[  104.493362][  T843] RAX: 0000000000000000 RBX: ffff888009022000 RCX: 0000000000000001
[  104.493816][  T843] RDX: 0000000000000000 RSI: ffffffffa7510759 RDI: ffffffffa6c58280
[  104.494261][  T843] RBP: ffffc90000526fd8 R08: 0000000000000000 R09: 0000000000000000
[  104.494711][  T843] R10: ffffc90000527008 R11: ffffffffa88ceab8 R12: 1ffff920000a4de2
[  104.495161][  T843] R13: 00000000000005dc R14: ffffc90000527008 R15: ffff888009022f48
[  104.495605][  T843] FS:  00007f353e5fb800(0000) GS:ffff8880bbe19000(0000) knlGS:0000000000000000
[  104.496137][  T843] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.496721][  T843] CR2: 00000000004e6e08 CR3: 000000000f195005 CR4: 0000000000772ef0
[  104.497314][  T843] PKRU: 55555554
[  104.497541][  T843] Call Trace:
[  104.497900][  T843]  <TASK>
[ 104.498058][ T843] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 104.498363][ T843] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 104.498664][ T843] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 104.499177][ T843] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 104.499478][ T843] netif_set_mtu (net/core/dev.c:9652) 
[ 104.499927][ T843] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 104.500230][ T843] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 104.500598][ T843] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 104.500937][ T843] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 104.501243][ T843] br_add_if (net/bridge/br_if.c:697) 
[ 104.501481][ T843] do_set_master (net/core/rtnetlink.c:2948) 
[ 104.501782][ T843] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 104.502084][ T843] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 104.502384][ T843] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 104.502770][ T843] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 104.503068][ T843] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 104.503360][ T843] ? __kernel_text_address (kernel/extable.c:79) 
[ 104.503666][ T843] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.503984][ T843] ? __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) 
[ 104.504290][ T843] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 104.504658][ T843] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 104.504963][ T843] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 104.505257][ T843] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 104.505550][ T843] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 104.505860][ T843] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 104.506153][ T843] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 104.506443][ T843] ? __create_object (mm/kmemleak.c:771) 
[ 104.506752][ T843] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 104.507052][ T843] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 104.507352][ T843] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 104.507719][ T843] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 104.508036][ T843] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 104.508347][ T843] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 104.508639][ T843] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.508946][ T843] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 104.509242][ T843] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 104.509535][ T843] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 104.509844][ T843] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 104.510138][ T843] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 104.510434][ T843] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 104.510747][ T843] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.511047][ T843] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 104.511356][ T843] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 104.511655][ T843] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 104.511978][ T843] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 104.512275][ T843] ? 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) 
[ 104.512572][ T843] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 104.512883][ T843] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 104.513177][ T843] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.513475][ T843] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 104.513782][ T843] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 104.514078][ T843] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 104.514382][ T843] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 104.514680][ T843] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 104.514981][ T843] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 104.515359][ T843] ___sys_sendmsg (net/socket.c:2670) 
[ 104.515649][ T843] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 104.515959][ T843] ? __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) 
[ 104.516333][ T843] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 104.516634][ T843] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 104.516944][ T843] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 104.517247][ T843] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.517549][ T843] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 104.517852][ T843] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 104.518145][ T843] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 104.518444][ T843] __sys_sendmsg (net/socket.c:2700) 
[ 104.518746][ T843] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 104.519114][ T843] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 104.519424][ T843] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 104.519722][ T843] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 104.520037][ T843] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  104.520407][  T843] RIP: 0033:0x7f353e7c81e7
[ 104.520716][ T843] 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)
[  104.521833][  T843] RSP: 002b:00007fff32449f28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  104.522284][  T843] RAX: ffffffffffffffda RBX: 00007fff3244a650 RCX: 00007f353e7c81e7
[  104.522726][  T843] RDX: 0000000000000000 RSI: 00007fff32449f90 RDI: 0000000000000005
[  104.523182][  T843] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  104.523628][  T843] R10: 000000002b42f910 R11: 0000000000000246 R12: 0000000000000004
[  104.524095][  T843] R13: 00000000686e2435 R14: 0000000000499600 R15: 0000000000000000
| [  108.161950][  T905] ------------[ cut here ]------------
| [ 108.162264][ T905] WARNING: CPU: 0 PID: 905 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) 
| [  108.162878][  T905] Modules linked in: vxlan xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
| [  108.165136][  T905] Tainted: [W]=WARN
[  108.165381][  T905] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 108.165788][ T905] 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) 
[ 108.166101][ T905] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  108.167204][  T905] RSP: 0018:ffffc900009e6f60 EFLAGS: 00010246
[  108.167590][  T905] RAX: 0000000000000000 RBX: ffff888009022000 RCX: 0000000000000001
[  108.168045][  T905] RDX: 0000000000000000 RSI: ffffffffa7510759 RDI: ffffffffa6c58280
[  108.168511][  T905] RBP: ffffc900009e7050 R08: 0000000000000000 R09: 0000000000000000
[  108.169006][  T905] R10: ffffc900009e7080 R11: ffffffffa3600130 R12: 1ffff9200013cdf0
[  108.169464][  T905] R13: 00000000000005dc R14: ffffc900009e7080 R15: ffff888009022f48
[  108.169919][  T905] FS:  00007f6839232800(0000) GS:ffff8880bbd99000(0000) knlGS:0000000000000000
[  108.170449][  T905] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.170848][  T905] CR2: 00000000004e62d8 CR3: 0000000010ab8005 CR4: 0000000000772ef0
[  108.171429][  T905] PKRU: 55555554
[  108.171656][  T905] Call Trace:
[  108.171888][  T905]  <TASK>
[ 108.172051][ T905] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 108.172352][ T905] ? __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) 
[ 108.172722][ T905] ? br_del_if (net/bridge/br_if.c:742) 
[ 108.172955][ T905] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 108.173274][ T905] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 108.173574][ T905] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 108.173879][ T905] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 108.174209][ T905] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 108.174500][ T905] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 108.174834][ T905] ? ___sys_sendmsg (net/socket.c:2670) 
[ 108.175130][ T905] ? __sys_sendmsg (net/socket.c:2700) 
[ 108.175435][ T905] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 108.175728][ T905] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 108.176129][ T905] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 108.176435][ T905] netif_set_mtu (net/core/dev.c:9652) 
[ 108.176825][ T905] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 108.177142][ T905] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 108.177367][ T905] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 108.177665][ T905] br_del_if (net/bridge/br_if.c:743) 
[ 108.177893][ T905] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 108.178192][ T905] do_set_master (net/core/rtnetlink.c:2932) 
[ 108.178484][ T905] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 108.178792][ T905] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 108.179093][ T905] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 108.179463][ T905] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 108.179763][ T905] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 108.180058][ T905] ? __kernel_text_address (kernel/extable.c:79) 
[ 108.180357][ T905] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.180652][ T905] ? __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) 
[ 108.180954][ T905] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 108.181328][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.181628][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.181928][ T905] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 108.182223][ T905] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 108.182522][ T905] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 108.182821][ T905] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 108.183113][ T905] ? __create_object (mm/kmemleak.c:771) 
[ 108.183408][ T905] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 108.183703][ T905] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 108.184010][ T905] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 108.184377][ T905] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 108.184708][ T905] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 108.185020][ T905] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.185321][ T905] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.185622][ T905] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 108.185926][ T905] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 108.186220][ T905] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.186515][ T905] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.186813][ T905] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 108.187108][ T905] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.187414][ T905] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.187711][ T905] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 108.188013][ T905] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.188315][ T905] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 108.188619][ T905] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 108.188917][ T905] ? 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) 
[ 108.189211][ T905] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 108.189513][ T905] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 108.189813][ T905] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.190114][ T905] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 108.190415][ T905] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 108.190711][ T905] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 108.191021][ T905] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 108.191330][ T905] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 108.191627][ T905] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 108.192012][ T905] ___sys_sendmsg (net/socket.c:2670) 
[ 108.192305][ T905] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 108.192598][ T905] ? __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) 
[ 108.192975][ T905] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 108.193272][ T905] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 108.193575][ T905] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.193890][ T905] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 108.194185][ T905] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 108.194481][ T905] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.194793][ T905] __sys_sendmsg (net/socket.c:2700) 
[ 108.195088][ T905] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 108.195457][ T905] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 108.195775][ T905] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.196077][ T905] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 108.196375][ T905] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  108.196753][  T905] RIP: 0033:0x7f68393ff1e7
[ 108.197061][ T905] 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)
[  108.198129][  T905] RSP: 002b:00007fff7a0ca798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  108.198589][  T905] RAX: ffffffffffffffda RBX: 00007fff7a0caec0 RCX: 00007f68393ff1e7
[  108.199051][  T905] RDX: 0000000000000000 RSI: 00007fff7a0ca800 RDI: 0000000000000005
[  108.199503][  T905] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  108.199960][  T905] R10: 00007f68392fcee8 R11: 0000000000000246 R12: 0000000000000003
[  108.200413][  T905] R13: 00000000686e2438 R14: 0000000000499600 R15: 0000000000000000
| [  109.105890][  T928] ------------[ cut here ]------------
| [ 109.106196][ T928] WARNING: CPU: 0 PID: 928 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) 
| [  109.106877][  T928] Modules linked in: vxlan xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
| [  109.108119][  T928] Tainted: [W]=WARN
[  109.108346][  T928] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.108716][ T928] 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) 
[ 109.109029][ T928] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  109.110106][  T928] RSP: 0018:ffffc90000b16ef0 EFLAGS: 00010246
[  109.110488][  T928] RAX: 0000000000000000 RBX: ffff88800d392000 RCX: 0000000000000001
[  109.110944][  T928] RDX: 0000000000000000 RSI: ffffffffa7510759 RDI: ffffffffa6c58280
[  109.111406][  T928] RBP: ffffc90000b16fd8 R08: 0000000000000000 R09: 0000000000000000
[  109.111863][  T928] R10: ffffc90000b17008 R11: ffffffffa88ceab8 R12: 1ffff92000162de2
[  109.112308][  T928] R13: 00000000000005dc R14: ffffc90000b17008 R15: ffff88800d392f48
[  109.112761][  T928] FS:  00007fb6878d4800(0000) GS:ffff8880bbd99000(0000) knlGS:0000000000000000
[  109.113280][  T928] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.113659][  T928] CR2: 00000000004e6e08 CR3: 000000001131b005 CR4: 0000000000772ef0
[  109.114118][  T928] PKRU: 55555554
[  109.114346][  T928] Call Trace:
[  109.114568][  T928]  <TASK>
[ 109.114723][ T928] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.115034][ T928] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 109.115335][ T928] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 109.115714][ T928] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 109.116036][ T928] netif_set_mtu (net/core/dev.c:9652) 
[ 109.116336][ T928] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.116642][ T928] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 109.117028][ T928] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.117262][ T928] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 109.117569][ T928] br_add_if (net/bridge/br_if.c:697) 
[ 109.117817][ T928] do_set_master (net/core/rtnetlink.c:2948) 
[ 109.118112][ T928] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 109.118415][ T928] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 109.118714][ T928] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 109.119097][ T928] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 109.119399][ T928] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 109.119699][ T928] ? __kernel_text_address (kernel/extable.c:79) 
[ 109.120014][ T928] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.120311][ T928] ? __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) 
[ 109.120621][ T928] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 109.121011][ T928] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.121320][ T928] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.121617][ T928] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 109.121922][ T928] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 109.122230][ T928] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.122530][ T928] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.122833][ T928] ? __create_object (mm/kmemleak.c:771) 
[ 109.123132][ T928] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 109.123427][ T928] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 109.123728][ T928] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 109.124105][ T928] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 109.124410][ T928] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.124717][ T928] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.125026][ T928] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.125331][ T928] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.125628][ T928] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.125934][ T928] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.126233][ T928] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.126539][ T928] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.126847][ T928] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.127158][ T928] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.127463][ T928] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.127771][ T928] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.128073][ T928] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.128668][ T928] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.128973][ T928] ? 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) 
[ 109.129279][ T928] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 109.129801][ T928] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.130098][ T928] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.130402][ T928] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.130923][ T928] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.131238][ T928] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.131545][ T928] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.131853][ T928] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.132368][ T928] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.132760][ T928] ___sys_sendmsg (net/socket.c:2670) 
[ 109.133060][ T928] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 109.133360][ T928] ? __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) 
[ 109.133731][ T928] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.134049][ T928] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.134357][ T928] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.134661][ T928] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.134969][ T928] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 109.135272][ T928] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.135800][ T928] __sys_sendmsg (net/socket.c:2700) 
[ 109.136097][ T928] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 109.136469][ T928] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.136794][ T928] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.137097][ T928] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.137401][ T928] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.137774][  T928] RIP: 0033:0x7fb687aa11e7
[ 109.138081][ T928] 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)
[  109.139152][  T928] RSP: 002b:00007ffdc4122c58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.139602][  T928] RAX: ffffffffffffffda RBX: 00007ffdc4123380 RCX: 00007fb687aa11e7
[  109.140055][  T928] RDX: 0000000000000000 RSI: 00007ffdc4122cc0 RDI: 0000000000000005
[  109.140722][  T928] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  109.141406][  T928] R10: 000000000bb31910 R11: 0000000000000246 R12: 0000000000000004
[  109.141858][  T928] R13: 00000000686e2439 R14: 0000000000499600 R15: 0000000000000000
| [  112.813897][  T991] ------------[ cut here ]------------
| [ 112.814202][ T991] WARNING: CPU: 1 PID: 991 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) 
| [  112.816313][  T991] Modules linked in: vxlan xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
| [  112.817695][  T991] Tainted: [W]=WARN
[  112.818085][  T991] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.818459][ T991] 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) 
[ 112.818925][ T991] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  112.820072][  T991] RSP: 0018:ffffc90000db6f60 EFLAGS: 00010246
[  112.820446][  T991] RAX: 0000000000000000 RBX: ffff88800d392000 RCX: 0000000000000001
[  112.820902][  T991] RDX: 0000000000000000 RSI: ffffffffa7510759 RDI: ffffffffa6c58280
[  112.821349][  T991] RBP: ffffc90000db7050 R08: 0000000000000000 R09: 0000000000000000
[  112.821804][  T991] R10: ffffc90000db7080 R11: ffffffffa7f8d1e0 R12: 1ffff920001b6df0
[  112.822243][  T991] R13: 00000000000005dc R14: ffffc90000db7080 R15: ffff88800d392f48
[  112.822687][  T991] FS:  00007fae6472d800(0000) GS:ffff8880bbe19000(0000) knlGS:0000000000000000
[  112.823223][  T991] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.823593][  T991] CR2: 00000000004e62d8 CR3: 0000000005019001 CR4: 0000000000772ef0
[  112.824042][  T991] PKRU: 55555554
[  112.824263][  T991] Call Trace:
[  112.824482][  T991]  <TASK>
[ 112.824631][ T991] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 112.824939][ T991] ? __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) 
[ 112.825311][ T991] ? br_del_if (net/bridge/br_if.c:742) 
[ 112.825534][ T991] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 112.825844][ T991] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.826137][ T991] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.826432][ T991] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 112.826723][ T991] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.827027][ T991] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.827324][ T991] ? ___sys_sendmsg (net/socket.c:2670) 
[ 112.827617][ T991] ? __sys_sendmsg (net/socket.c:2700) 
[ 112.827917][ T991] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.828224][ T991] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 112.828594][ T991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.828907][ T991] netif_set_mtu (net/core/dev.c:9652) 
[ 112.829203][ T991] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.829518][ T991] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.829761][ T991] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 112.830061][ T991] br_del_if (net/bridge/br_if.c:743) 
[ 112.830280][ T991] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 112.830572][ T991] do_set_master (net/core/rtnetlink.c:2932) 
[ 112.830869][ T991] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 112.831175][ T991] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 112.831475][ T991] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 112.831858][ T991] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 112.832153][ T991] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 112.832444][ T991] ? __kernel_text_address (kernel/extable.c:79) 
[ 112.832752][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.833050][ T991] ? __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) 
[ 112.833343][ T991] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 112.833712][ T991] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.834023][ T991] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.834323][ T991] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 112.834618][ T991] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 112.834921][ T991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.835217][ T991] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.835507][ T991] ? __create_object (mm/kmemleak.c:771) 
[ 112.835809][ T991] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 112.836109][ T991] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 112.836407][ T991] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 112.836782][ T991] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 112.837086][ T991] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.837387][ T991] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.837685][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.837997][ T991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.838293][ T991] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.838590][ T991] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.838893][ T991] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.839187][ T991] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.839481][ T991] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.839789][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.840092][ T991] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.840384][ T991] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.840687][ T991] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.841000][ T991] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.841308][ T991] ? 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) 
[ 112.841605][ T991] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 112.841918][ T991] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.842212][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.842515][ T991] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.842825][ T991] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.843121][ T991] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.843423][ T991] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.843719][ T991] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.844019][ T991] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.844396][ T991] ___sys_sendmsg (net/socket.c:2670) 
[ 112.844688][ T991] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 112.844991][ T991] ? __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) 
[ 112.845357][ T991] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.845656][ T991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.845968][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.846273][ T991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.846567][ T991] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 112.846867][ T991] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.847168][ T991] __sys_sendmsg (net/socket.c:2700) 
[ 112.847463][ T991] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 112.847843][ T991] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.848148][ T991] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.848443][ T991] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.848749][ T991] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.849122][  T991] RIP: 0033:0x7fae648fa1e7
[ 112.849423][ T991] 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)
[  112.850493][  T991] RSP: 002b:00007ffe9ee85b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.850946][  T991] RAX: ffffffffffffffda RBX: 00007ffe9ee86240 RCX: 00007fae648fa1e7
[  112.851391][  T991] RDX: 0000000000000000 RSI: 00007ffe9ee85b80 RDI: 0000000000000005
[  112.851844][  T991] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  112.852284][  T991] R10: 00007fae647f7ee8 R11: 0000000000000246 R12: 0000000000000003
[  112.852723][  T991] R13: 00000000686e243d R14: 0000000000499600 R15: 0000000000000000
| [  118.369799][ T1100] ------------[ cut here ]------------
| [ 118.370099][ T1100] WARNING: CPU: 0 PID: 1100 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) 
| [  118.370688][ T1100] Modules linked in: vxlan xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
| [  118.373053][ T1100] Tainted: [W]=WARN
[  118.373287][ T1100] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.373662][ T1100] 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) 
[ 118.373978][ T1100] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  118.375037][ T1100] RSP: 0018:ffffc900011f6ef0 EFLAGS: 00010246
[  118.375419][ T1100] RAX: 0000000000000000 RBX: ffff88800b17a000 RCX: 0000000000000001
[  118.375867][ T1100] RDX: 0000000000000000 RSI: ffffffffa7510759 RDI: ffffffffa6c58280
[  118.376311][ T1100] RBP: ffffc900011f6fd8 R08: 0000000000000000 R09: 0000000000000000
[  118.376757][ T1100] R10: ffffc900011f7008 R11: ffffffffa88ceab8 R12: 1ffff9200023ede2
[  118.377201][ T1100] R13: 00000000000005dc R14: ffffc900011f7008 R15: ffff88800b17af48
[  118.377643][ T1100] FS:  00007f7a4f56f800(0000) GS:ffff8880bbd99000(0000) knlGS:0000000000000000
[  118.378170][ T1100] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.378544][ T1100] CR2: 00000000004e5980 CR3: 000000000d2b9003 CR4: 0000000000772ef0
[  118.378996][ T1100] PKRU: 55555554
[  118.379225][ T1100] Call Trace:
[  118.379448][ T1100]  <TASK>
[ 118.379601][ T1100] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 118.379909][ T1100] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 118.380208][ T1100] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 118.380576][ T1100] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 118.380882][ T1100] netif_set_mtu (net/core/dev.c:9652) 
[ 118.381184][ T1100] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 118.381503][ T1100] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 118.381893][ T1100] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 118.382121][ T1100] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 118.382424][ T1100] br_add_if (net/bridge/br_if.c:697) 
[ 118.382660][ T1100] do_set_master (net/core/rtnetlink.c:2948) 
[ 118.382965][ T1100] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 118.383270][ T1100] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 118.383573][ T1100] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 118.383959][ T1100] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 118.384257][ T1100] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 118.384554][ T1100] ? __kernel_text_address (kernel/extable.c:79) 
[ 118.384862][ T1100] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.385165][ T1100] ? __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) 
[ 118.385466][ T1100] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 118.385849][ T1100] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.386147][ T1100] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.386448][ T1100] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 118.386753][ T1100] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 118.387053][ T1100] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.387349][ T1100] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 118.387639][ T1100] ? __create_object (mm/kmemleak.c:771) 
[ 118.387953][ T1100] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 118.388253][ T1100] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 118.388553][ T1100] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 118.388930][ T1100] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 118.389235][ T1100] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 118.389534][ T1100] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.389841][ T1100] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.390144][ T1100] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.390439][ T1100] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 118.390744][ T1100] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.391051][ T1100] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 118.391356][ T1100] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 118.391657][ T1100] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.391973][ T1100] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.392280][ T1100] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 118.392581][ T1100] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 118.392891][ T1100] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 118.393201][ T1100] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 118.393498][ T1100] ? 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) 
[ 118.393809][ T1100] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 118.394109][ T1100] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 118.394405][ T1100] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.394710][ T1100] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 118.395021][ T1100] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 118.395320][ T1100] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 118.395628][ T1100] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 118.395942][ T1100] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 118.396238][ T1100] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 118.396620][ T1100] ___sys_sendmsg (net/socket.c:2670) 
[ 118.396924][ T1100] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 118.397221][ T1100] ? __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) 
[ 118.397591][ T1100] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 118.397897][ T1100] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.398204][ T1100] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 118.398505][ T1100] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 118.398808][ T1100] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 118.399105][ T1100] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 118.399412][ T1100] __sys_sendmsg (net/socket.c:2700) 
[ 118.399705][ T1100] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 118.400083][ T1100] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 118.400400][ T1100] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 118.400696][ T1100] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 118.401005][ T1100] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  118.401382][ T1100] RIP: 0033:0x7f7a4f73c1e7
[ 118.401687][ T1100] 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)
[  118.402754][ T1100] RSP: 002b:00007ffd0582fa28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  118.403205][ T1100] RAX: ffffffffffffffda RBX: 00007ffd05830150 RCX: 00007f7a4f73c1e7
[  118.403648][ T1100] RDX: 0000000000000000 RSI: 00007ffd0582fa90 RDI: 0000000000000005
[  118.404104][ T1100] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  118.404555][ T1100] R10: 0000000037a71910 R11: 0000000000000246 R12: 0000000000000004
[  118.405009][ T1100] R13: 00000000686e2442 R14: 0000000000499600 R15: 0000000000000000
| [  122.061006][ T1162] ------------[ cut here ]------------
| [ 122.061331][ T1162] WARNING: CPU: 0 PID: 1162 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) 
| [  122.061924][ T1162] Modules linked in: vxlan xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
| [  122.063156][ T1162] Tainted: [W]=WARN
[  122.063387][ T1162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 122.063778][ T1162] 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) 
[ 122.064089][ T1162] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  122.065190][ T1162] RSP: 0018:ffffc900014b6f60 EFLAGS: 00010246
[  122.065572][ T1162] RAX: 0000000000000000 RBX: ffff88800b17a000 RCX: 0000000000000001
[  122.066021][ T1162] RDX: 0000000000000000 RSI: ffffffffa7510759 RDI: ffffffffa6c58280
[  122.066466][ T1162] RBP: ffffc900014b7050 R08: 0000000000000000 R09: 0000000000000000
[  122.066912][ T1162] R10: ffffc900014b7080 R11: ffffffffa7f8d1e0 R12: 1ffff92000296df0
[  122.067355][ T1162] R13: 00000000000005dc R14: ffffc900014b7080 R15: ffff88800b17af48
[  122.068703][ T1162] FS:  00007fa0ce861800(0000) GS:ffff8880bbd99000(0000) knlGS:0000000000000000
[  122.069233][ T1162] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  122.069607][ T1162] CR2: 00000000004e5980 CR3: 000000000d158002 CR4: 0000000000772ef0
[  122.070077][ T1162] PKRU: 55555554
[  122.070298][ T1162] Call Trace:
[  122.070537][ T1162]  <TASK>
[ 122.070688][ T1162] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 122.071010][ T1162] ? __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) 
[ 122.071386][ T1162] ? br_del_if (net/bridge/br_if.c:742) 
[ 122.071611][ T1162] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 122.071929][ T1162] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 122.072227][ T1162] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 122.072522][ T1162] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 122.072835][ T1162] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 122.073130][ T1162] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 122.073427][ T1162] ? ___sys_sendmsg (net/socket.c:2670) 
[ 122.073720][ T1162] ? __sys_sendmsg (net/socket.c:2700) 
[ 122.074019][ T1162] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 122.074336][ T1162] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 122.074705][ T1162] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 122.075020][ T1162] netif_set_mtu (net/core/dev.c:9652) 
[ 122.075339][ T1162] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 122.075648][ T1162] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 122.075884][ T1162] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 122.076183][ T1162] br_del_if (net/bridge/br_if.c:743) 
[ 122.076404][ T1162] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 122.076697][ T1162] do_set_master (net/core/rtnetlink.c:2932) 
[ 122.077000][ T1162] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 122.077307][ T1162] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 122.077606][ T1162] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 122.077988][ T1162] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 122.078288][ T1162] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 122.078581][ T1162] ? __kernel_text_address (kernel/extable.c:79) 
[ 122.078886][ T1162] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 122.079185][ T1162] ? __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) 
[ 122.079486][ T1162] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 122.079862][ T1162] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 122.080159][ T1162] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 122.080457][ T1162] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 122.080762][ T1162] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 122.081062][ T1162] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 122.081368][ T1162] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 122.081660][ T1162] ? __create_object (mm/kmemleak.c:771) 
[ 122.081969][ T1162] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 122.082286][ T1162] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 122.082593][ T1162] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 122.082975][ T1162] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 122.083277][ T1162] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 122.083583][ T1162] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 122.083882][ T1162] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 122.084189][ T1162] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 122.084488][ T1162] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 122.084788][ T1162] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 122.085090][ T1162] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 122.085383][ T1162] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 122.085694][ T1162] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 122.086005][ T1162] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 122.086306][ T1162] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 122.086617][ T1162] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 122.086918][ T1162] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 122.087224][ T1162] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 122.087522][ T1162] ? 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) 
[ 122.087828][ T1162] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 122.088126][ T1162] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 122.088437][ T1162] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 122.088757][ T1162] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 122.089058][ T1162] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 122.089370][ T1162] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 122.089676][ T1162] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 122.089999][ T1162] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 122.090295][ T1162] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 122.090694][ T1162] ___sys_sendmsg (net/socket.c:2670) 
[ 122.091004][ T1162] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 122.091317][ T1162] ? __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) 
[ 122.091688][ T1162] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 122.092013][ T1162] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 122.092326][ T1162] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 122.092633][ T1162] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 122.092943][ T1162] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 122.093264][ T1162] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 122.093578][ T1162] __sys_sendmsg (net/socket.c:2700) 
[ 122.093899][ T1162] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 122.094274][ T1162] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 122.094588][ T1162] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 122.094899][ T1162] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 122.095198][ T1162] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  122.095577][ T1162] RIP: 0033:0x7fa0cea2e1e7
[ 122.095895][ T1162] 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)
[  122.096962][ T1162] RSP: 002b:00007fffde2738d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  122.097428][ T1162] RAX: ffffffffffffffda RBX: 00007fffde274000 RCX: 00007fa0cea2e1e7
[  122.097910][ T1162] RDX: 0000000000000000 RSI: 00007fffde273940 RDI: 0000000000000005
[  122.098371][ T1162] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  122.098843][ T1162] R10: 00007fa0ce92bee8 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