======================================
| [   23.231359][  T347] br1: port 1(vx100) entered forwarding state
| [   23.232661][  T347] ------------[ cut here ]------------
| [ 23.233045][ T347] WARNING: CPU: 1 PID: 347 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) 
| [   23.233669][  T347] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.234981][  T347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.235369][ T347] 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) 
[ 23.235698][ T347] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.236848][  T347] RSP: 0018:ffffc90000576ef0 EFLAGS: 00010246
[   23.237249][  T347] RAX: 0000000000000000 RBX: ffff88800aa12000 RCX: 0000000000000001
[   23.237874][  T347] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   23.238346][  T347] RBP: ffffc90000576fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.238991][  T347] R10: ffffc90000577010 R11: ffffffffab4a8918 R12: 1ffff920000aede2
[   23.239457][  T347] R13: 00000000000005dc R14: ffffc90000577010 R15: ffff88800aa12f08
[   23.240158][  T347] FS:  00007fa1f19d8800(0000) GS:ffff888089b37000(0000) knlGS:0000000000000000
[   23.240923][  T347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.241317][  T347] CR2: 00000000004e6890 CR3: 000000000518a002 CR4: 0000000000772ef0
[   23.241932][  T347] PKRU: 55555554
[   23.242177][  T347] Call Trace:
[   23.242412][  T347]  <TASK>
[ 23.242574][ T347] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.243043][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.243366][ T347] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.243677][ T347] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.244281][ T347] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.244590][ T347] netif_set_mtu (net/core/dev.c:9652) 
[ 23.245061][ T347] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.245381][ T347] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.245991][ T347] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.246237][ T347] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.246659][ T347] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.247158][ T347] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.247473][ T347] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.247929][ T347] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.248318][ T347] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.248623][ T347] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.249456][ T347] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.249981][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.250293][ T347] ? __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) 
[ 23.250603][ T347] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.251098][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.251406][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.251715][ T347] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.252029][ T347] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.252335][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.252640][ T347] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.252975][ T347] ? __create_object (mm/kmemleak.c:771) 
[ 23.253298][ T347] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.253600][ T347] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.253916][ T347] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.254294][ T347] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.254610][ T347] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.254927][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.255231][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.255541][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.255855][ T347] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.256173][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.256480][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.256802][ T347] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.257113][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.257427][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.257747][ T347] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.258058][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.258367][ T347] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.258685][ T347] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.259005][ T347] ? 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) 
[ 23.259323][ T347] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.259633][ T347] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.259945][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.260256][ T347] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.260565][ T347] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.260892][ T347] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.261207][ T347] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.261520][ T347] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.261837][ T347] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.262232][ T347] ___sys_sendmsg (net/socket.c:2670) 
[ 23.262535][ T347] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.262849][ T347] ? __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) 
[ 23.263249][ T347] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.263560][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.263882][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.264191][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.264497][ T347] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.264823][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.265137][ T347] __sys_sendmsg (net/socket.c:2700) 
[ 23.265477][ T347] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.265874][ T347] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.266205][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.266513][ T347] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.266830][ T347] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.267209][  T347] RIP: 0033:0x7fa1f1ba51e7
[ 23.267536][ T347] 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)
[   23.268659][  T347] RSP: 002b:00007ffdcfea2c58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.269146][  T347] RAX: ffffffffffffffda RBX: 00007ffdcfea3380 RCX: 00007fa1f1ba51e7
[   23.269618][  T347] RDX: 0000000000000000 RSI: 00007ffdcfea2cc0 RDI: 0000000000000005
[   23.270115][  T347] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.270575][  T347] R10: 0000000030410910 R11: 0000000000000246 R12: 0000000000000004
[   23.271043][  T347] R13: 00000000686e3ee8 R14: 0000000000499600 R15: 0000000000000000
| [   23.511021][  T349] ------------[ cut here ]------------
| [ 23.511363][ T349] WARNING: CPU: 0 PID: 349 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) 
| [   23.511998][  T349] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.513752][  T349] Tainted: [W]=WARN
[   23.513993][  T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.514397][ T349] 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) 
[ 23.514726][ T349] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.515865][  T349] RSP: 0018:ffffc90000636ef0 EFLAGS: 00010246
[   23.516267][  T349] RAX: 0000000000000000 RBX: ffff88800aa12000 RCX: 0000000000000001
[   23.516739][  T349] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   23.517200][  T349] RBP: ffffc90000636fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.517683][  T349] R10: ffffc90000637010 R11: ffffffffab4a8918 R12: 1ffff920000c6de2
[   23.518154][  T349] R13: 00000000000005dc R14: ffffc90000637010 R15: ffff88800aa12f08
[   23.518643][  T349] FS:  00007fb85e086800(0000) GS:ffff888089ab7000(0000) knlGS:0000000000000000
[   23.519186][  T349] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.519590][  T349] CR2: 00000000004e5aa8 CR3: 00000000051bc002 CR4: 0000000000772ef0
[   23.520102][  T349] PKRU: 55555554
[   23.520356][  T349] Call Trace:
[   23.520593][  T349]  <TASK>
[ 23.520766][ T349] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.521077][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.521407][ T349] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.521732][ T349] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.522117][ T349] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.522450][ T349] netif_set_mtu (net/core/dev.c:9652) 
[ 23.522784][ T349] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.523120][ T349] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.523566][ T349] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.523810][ T349] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.524245][ T349] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.524616][ T349] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.524943][ T349] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.525254][ T349] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.525668][ T349] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.525984][ T349] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.526296][ T349] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.526623][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.526948][ T349] ? __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) 
[ 23.527254][ T349] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.527651][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.527989][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.528294][ T349] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.528616][ T349] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.528935][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.529251][ T349] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.529570][ T349] ? __create_object (mm/kmemleak.c:771) 
[ 23.529891][ T349] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.530201][ T349] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.530506][ T349] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.530909][ T349] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.531223][ T349] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.531537][ T349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.531871][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.532187][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.532492][ T349] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.532824][ T349] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.533147][ T349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.533452][ T349] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.533783][ T349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.534097][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.534417][ T349] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.534753][ T349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.535062][ T349] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.535381][ T349] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.535706][ T349] ? 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) 
[ 23.536024][ T349] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.536334][ T349] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.536646][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.536987][ T349] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.537301][ T349] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.537608][ T349] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.537945][ T349] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.538257][ T349] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.538584][ T349] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.539010][ T349] ___sys_sendmsg (net/socket.c:2670) 
[ 23.539316][ T349] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.539622][ T349] ? __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) 
[ 23.540032][ T349] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.540342][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.540655][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.540991][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.541307][ T349] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.541614][ T349] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.541948][ T349] __sys_sendmsg (net/socket.c:2700) 
[ 23.542256][ T349] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.542635][ T349] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.542984][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.543295][ T349] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.543610][ T349] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.544017][  T349] RIP: 0033:0x7fb85e2531e7
[ 23.544334][ T349] 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)
[   23.545444][  T349] RSP: 002b:00007fff0017b1d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.545916][  T349] RAX: ffffffffffffffda RBX: 00007fff0017b900 RCX: 00007fb85e2531e7
[   23.546388][  T349] RDX: 0000000000000000 RSI: 00007fff0017b240 RDI: 0000000000000005
[   23.546854][  T349] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.547330][  T349] R10: 0000000035c7a910 R11: 0000000000000246 R12: 0000000000000004
[   23.547804][  T349] R13: 00000000686e3ee9 R14: 0000000000499600 R15: 0000000000000000
| [   23.903208][  T352] ------------[ cut here ]------------
| [ 23.903545][ T352] WARNING: CPU: 2 PID: 352 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) 
| [   23.904614][  T352] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.905930][  T352] Tainted: [W]=WARN
[   23.906219][  T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.906640][ T352] 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) 
[ 23.907000][ T352] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.908194][  T352] RSP: 0018:ffffc900005c6ef0 EFLAGS: 00010246
[   23.908617][  T352] RAX: 0000000000000000 RBX: ffff88800aa12000 RCX: 0000000000000001
[   23.909123][  T352] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   23.909623][  T352] RBP: ffffc900005c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.910136][  T352] R10: ffffc900005c7010 R11: ffffffffab4a8918 R12: 1ffff920000b8de2
[   23.910634][  T352] R13: 00000000000005dc R14: ffffc900005c7010 R15: ffff88800aa12f08
[   23.911136][  T352] FS:  00007fc1b901e800(0000) GS:ffff888089bb7000(0000) knlGS:0000000000000000
[   23.911720][  T352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.912148][  T352] CR2: 00000000004e5ab0 CR3: 00000000092d2005 CR4: 0000000000772ef0
[   23.912671][  T352] PKRU: 55555554
[   23.912947][  T352] Call Trace:
[   23.913219][  T352]  <TASK>
[ 23.913404][ T352] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.913759][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.914120][ T352] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.914463][ T352] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.914893][ T352] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.915234][ T352] netif_set_mtu (net/core/dev.c:9652) 
[ 23.915569][ T352] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.915929][ T352] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.916395][ T352] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.916658][ T352] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.917135][ T352] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.917520][ T352] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.917871][ T352] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.918214][ T352] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.918630][ T352] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.918991][ T352] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.919328][ T352] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.919674][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.920020][ T352] ? __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) 
[ 23.920386][ T352] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.920819][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.921155][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.921491][ T352] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.921833][ T352] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.922188][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.922523][ T352] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.922870][ T352] ? __create_object (mm/kmemleak.c:771) 
[ 23.923228][ T352] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.923575][ T352] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.923907][ T352] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.924301][ T352] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.924631][ T352] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.925002][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.925345][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.925675][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.926007][ T352] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.926333][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.926664][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.926994][ T352] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.927316][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.927645][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.927987][ T352] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.928307][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.928627][ T352] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.928966][ T352] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.929285][ T352] ? 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) 
[ 23.929662][ T352] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.930004][ T352] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.930323][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.930648][ T352] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.930979][ T352] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.931341][ T352] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.931707][ T352] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.932047][ T352] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.932381][ T352] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.932799][ T352] ___sys_sendmsg (net/socket.c:2670) 
[ 23.933131][ T352] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.933461][ T352] ? __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) 
[ 23.933867][ T352] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.934203][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.934554][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.934901][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.935222][ T352] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.935540][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.935875][ T352] __sys_sendmsg (net/socket.c:2700) 
[ 23.936200][ T352] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.936594][ T352] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.936951][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.937282][ T352] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.937604][ T352] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.938007][  T352] RIP: 0033:0x7fc1b91eb1e7
[ 23.938343][ T352] 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)
[   23.939463][  T352] RSP: 002b:00007ffefa992148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.939948][  T352] RAX: ffffffffffffffda RBX: 00007ffefa992870 RCX: 00007fc1b91eb1e7
[   23.940419][  T352] RDX: 0000000000000000 RSI: 00007ffefa9921b0 RDI: 0000000000000005
[   23.940915][  T352] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.941387][  T352] R10: 000000001bc9b910 R11: 0000000000000246 R12: 0000000000000004
[   23.941875][  T352] R13: 00000000686e3ee9 R14: 0000000000499600 R15: 0000000000000000
| [   28.830723][  T399] ------------[ cut here ]------------
| [ 28.831059][ T399] WARNING: CPU: 3 PID: 399 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) 
| [   28.831753][  T399] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   28.833202][  T399] Tainted: [W]=WARN
[   28.833441][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.833835][ T399] 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) 
[ 28.834161][ T399] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   28.835344][  T399] RSP: 0018:ffffc90000a76ef0 EFLAGS: 00010246
[   28.835765][  T399] RAX: 0000000000000000 RBX: ffff8880050ea000 RCX: 0000000000000001
[   28.836388][  T399] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   28.836893][  T399] RBP: ffffc90000a76fe0 R08: 0000000000000000 R09: 0000000000000000
[   28.837400][  T399] R10: ffffc90000a77010 R11: ffffffffaab79160 R12: 1ffff9200014ede2
[   28.837916][  T399] R13: 00000000000005dc R14: ffffc90000a77010 R15: ffff8880050eaf08
[   28.838410][  T399] FS:  00007fbc8d1c0800(0000) GS:ffff888089c37000(0000) knlGS:0000000000000000
[   28.838987][  T399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.839419][  T399] CR2: 00000000004e6898 CR3: 000000000ccd6002 CR4: 0000000000772ef0
[   28.839915][  T399] PKRU: 55555554
[   28.840159][  T399] Call Trace:
[   28.840403][  T399]  <TASK>
[ 28.840572][ T399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.840917][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.841257][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.841590][ T399] netif_set_mtu (net/core/dev.c:9652) 
[ 28.841927][ T399] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.842272][ T399] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.842521][ T399] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 28.843011][ T399] br_add_if (net/bridge/br_if.c:697) bridge 
[ 28.843425][ T399] do_set_master (net/core/rtnetlink.c:2948) 
[ 28.843769][ T399] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 28.844098][ T399] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.844508][ T399] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.844841][ T399] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.845173][ T399] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.845505][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.845849][ T399] ? __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) 
[ 28.846173][ T399] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.846575][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.846914][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.847250][ T399] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 28.847600][ T399] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 28.847920][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.848232][ T399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.848537][ T399] ? __create_object (mm/kmemleak.c:771) 
[ 28.848877][ T399] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 28.849184][ T399] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 28.849487][ T399] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.849877][ T399] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 28.850220][ T399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.850553][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.850887][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.851234][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.851565][ T399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.851893][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.852219][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.852537][ T399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.852867][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.853224][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.853552][ T399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.853884][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.854211][ T399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.854545][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.854870][ T399] ? 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) 
[ 28.855211][ T399] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 28.855537][ T399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.855863][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.856192][ T399] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.856518][ T399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.856852][ T399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.857191][ T399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.857532][ T399] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.857847][ T399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.858257][ T399] ___sys_sendmsg (net/socket.c:2670) 
[ 28.858570][ T399] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.858886][ T399] ? __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) 
[ 28.859271][ T399] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.859586][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.859956][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.860271][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.860584][ T399] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 28.860900][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.861226][ T399] __sys_sendmsg (net/socket.c:2700) 
[ 28.861533][ T399] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.861926][ T399] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.862244][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.862589][ T399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.862942][ T399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.863531][  T399] RIP: 0033:0x7fbc8d38d1e7
[ 28.863860][ T399] 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)
[   28.865013][  T399] RSP: 002b:00007ffc3d629638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.865520][  T399] RAX: ffffffffffffffda RBX: 00007ffc3d629d60 RCX: 00007fbc8d38d1e7
[   28.866011][  T399] RDX: 0000000000000000 RSI: 00007ffc3d6296a0 RDI: 0000000000000005
[   28.866495][  T399] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.866986][  T399] R10: 0000000019b30910 R11: 0000000000000246 R12: 0000000000000004
[   28.867484][  T399] R13: 00000000686e3eee R14: 0000000000499600 R15: 0000000000000000
| [   29.903650][  T406] ------------[ cut here ]------------
| [ 29.904192][ T406] WARNING: CPU: 1 PID: 406 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) 
| [   29.905157][  T406] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.908268][  T406] Tainted: [W]=WARN
[   29.909003][  T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.909739][ T406] 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) 
[ 29.910348][ T406] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   29.912188][  T406] RSP: 0018:ffffc90000b06ef0 EFLAGS: 00010246
[   29.912600][  T406] RAX: 0000000000000000 RBX: ffff8880050ea000 RCX: 0000000000000001
[   29.913141][  T406] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   29.913622][  T406] RBP: ffffc90000b06fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.914127][  T406] R10: ffffc90000b07010 R11: ffffffffaab79160 R12: 1ffff92000160de2
[   29.914606][  T406] R13: 00000000000005dc R14: ffffc90000b07010 R15: ffff8880050eaf08
[   29.915142][  T406] FS:  00007f4a8d5fd800(0000) GS:ffff888089b37000(0000) knlGS:0000000000000000
[   29.915727][  T406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.916251][  T406] CR2: 00000000004e6898 CR3: 000000000c16d006 CR4: 0000000000772ef0
[   29.917137][  T406] PKRU: 55555554
[   29.917546][  T406] Call Trace:
[   29.917802][  T406]  <TASK>
[ 29.917975][ T406] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.918322][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.918656][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.918999][ T406] netif_set_mtu (net/core/dev.c:9652) 
[ 29.919359][ T406] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.919724][ T406] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.919978][ T406] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.920462][ T406] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.920855][ T406] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.921192][ T406] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.921605][ T406] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.922012][ T406] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.922506][ T406] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.923128][ T406] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.923735][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.924323][ T406] ? __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) 
[ 29.924824][ T406] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.925498][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.926058][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.926501][ T406] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.927073][ T406] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.927618][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.928186][ T406] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.928719][ T406] ? __create_object (mm/kmemleak.c:771) 
[ 29.929201][ T406] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.929764][ T406] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.930281][ T406] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.930959][ T406] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.931513][ T406] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.932097][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.932718][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.933291][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.933611][ T406] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.933962][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.934283][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.934594][ T406] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.934917][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.935238][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.935561][ T406] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.935893][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.936207][ T406] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.936527][ T406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.936874][ T406] ? 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) 
[ 29.937187][ T406] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.937500][ T406] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.937825][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.938158][ T406] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.938472][ T406] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.938789][ T406] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.939108][ T406] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.939482][ T406] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.939831][ T406] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.940266][ T406] ___sys_sendmsg (net/socket.c:2670) 
[ 29.940590][ T406] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.940927][ T406] ? __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) 
[ 29.941336][ T406] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.941663][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.941995][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.942334][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.942670][ T406] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.943023][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.943368][ T406] __sys_sendmsg (net/socket.c:2700) 
[ 29.943679][ T406] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.944119][ T406] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.944462][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.944802][ T406] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.945138][ T406] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.945542][  T406] RIP: 0033:0x7f4a8d7ca1e7
[ 29.945888][ T406] 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)
[   29.947058][  T406] RSP: 002b:00007fffd1424648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.947560][  T406] RAX: ffffffffffffffda RBX: 00007fffd1424d70 RCX: 00007f4a8d7ca1e7
[   29.948072][  T406] RDX: 0000000000000000 RSI: 00007fffd14246b0 RDI: 0000000000000005
[   29.948567][  T406] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.949069][  T406] R10: 0000000022422910 R11: 0000000000000246 R12: 0000000000000004
[   29.949564][  T406] R13: 00000000686e3eef R14: 0000000000499600 R15: 0000000000000000
| [   34.263162][  T446] ------------[ cut here ]------------
| [ 34.263520][ T446] WARNING: CPU: 0 PID: 446 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) 
| [   34.264142][  T446] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   34.265523][  T446] Tainted: [W]=WARN
[   34.265782][  T446] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.266178][ T446] 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) 
[ 34.266543][ T446] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.267714][  T446] RSP: 0018:ffffc90000ce6ef0 EFLAGS: 00010246
[   34.268107][  T446] RAX: 0000000000000000 RBX: ffff88800ce1a000 RCX: 0000000000000001
[   34.268597][  T446] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   34.269094][  T446] RBP: ffffc90000ce6fe0 R08: 0000000000000000 R09: 0000000000000000
[   34.269596][  T446] R10: ffffc90000ce7010 R11: ffffffffaab79160 R12: 1ffff9200019cde2
[   34.270065][  T446] R13: 00000000000005dc R14: ffffc90000ce7010 R15: ffff88800ce1af08
[   34.270539][  T446] FS:  00007f15ebd83800(0000) GS:ffff888089ab7000(0000) knlGS:0000000000000000
[   34.271089][  T446] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.271504][  T446] CR2: 00000000004e6898 CR3: 00000000093f5001 CR4: 0000000000772ef0
[   34.271978][  T446] PKRU: 55555554
[   34.272211][  T446] Call Trace:
[   34.272440][  T446]  <TASK>
[ 34.272613][ T446] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.272939][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.273330][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.273675][ T446] netif_set_mtu (net/core/dev.c:9652) 
[ 34.274020][ T446] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.274362][ T446] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.274623][ T446] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.275088][ T446] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.275459][ T446] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.275829][ T446] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.276163][ T446] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.276579][ T446] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.276929][ T446] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.277251][ T446] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.277578][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.277924][ T446] ? __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) 
[ 34.278249][ T446] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.278656][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.279003][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.279332][ T446] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.279652][ T446] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.279996][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.280316][ T446] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.280632][ T446] ? __create_object (mm/kmemleak.c:771) 
[ 34.280971][ T446] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.281292][ T446] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.281619][ T446] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.282066][ T446] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.282398][ T446] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.282749][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.283093][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.283426][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.283775][ T446] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.284109][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.284441][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.284790][ T446] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.285127][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.285457][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.285795][ T446] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.286141][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.286461][ T446] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.286815][ T446] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.287150][ T446] ? 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) 
[ 34.287479][ T446] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.287814][ T446] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.288167][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.288498][ T446] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.288845][ T446] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.289191][ T446] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.289524][ T446] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.289859][ T446] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.290199][ T446] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.290616][ T446] ___sys_sendmsg (net/socket.c:2670) 
[ 34.290960][ T446] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.291290][ T446] ? __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) 
[ 34.291712][ T446] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.292061][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.292393][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.292732][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.293094][ T446] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.293417][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.293757][ T446] __sys_sendmsg (net/socket.c:2700) 
[ 34.294126][ T446] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.294529][ T446] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.294875][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.295218][ T446] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.295541][ T446] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.295948][  T446] RIP: 0033:0x7f15ebf501e7
[ 34.296299][ T446] 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)
[   34.297480][  T446] RSP: 002b:00007ffdb2018de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.297976][  T446] RAX: ffffffffffffffda RBX: 00007ffdb2019510 RCX: 00007f15ebf501e7
[   34.298473][  T446] RDX: 0000000000000000 RSI: 00007ffdb2018e50 RDI: 0000000000000005
[   34.298973][  T446] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.299470][  T446] R10: 00000000278af910 R11: 0000000000000246 R12: 0000000000000004
[   34.299960][  T446] R13: 00000000686e3ef3 R14: 0000000000499600 R15: 0000000000000000
| [   35.230789][  T453] ------------[ cut here ]------------
| [ 35.231116][ T453] WARNING: CPU: 2 PID: 453 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) 
| [   35.231753][  T453] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   35.234365][  T453] Tainted: [W]=WARN
[   35.234609][  T453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.235016][ T453] 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) 
[ 35.235348][ T453] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.236458][  T453] RSP: 0018:ffffc90000d56ef0 EFLAGS: 00010246
[   35.236874][  T453] RAX: 0000000000000000 RBX: ffff88800ce1a000 RCX: 0000000000000001
[   35.237343][  T453] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   35.237842][  T453] RBP: ffffc90000d56fe0 R08: 0000000000000000 R09: 0000000000000000
[   35.238312][  T453] R10: ffffc90000d57010 R11: ffffffffab4a8918 R12: 1ffff920001aade2
[   35.238793][  T453] R13: 00000000000005dc R14: ffffc90000d57010 R15: ffff88800ce1af08
[   35.239260][  T453] FS:  00007fc279694800(0000) GS:ffff888089bb7000(0000) knlGS:0000000000000000
[   35.239819][  T453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.240218][  T453] CR2: 00000000004e6898 CR3: 00000000090c2006 CR4: 0000000000772ef0
[   35.240684][  T453] PKRU: 55555554
[   35.240935][  T453] Call Trace:
[   35.241176][  T453]  <TASK>
[ 35.241346][ T453] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.241669][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.242006][ T453] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 35.242325][ T453] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 35.242725][ T453] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 35.243069][ T453] netif_set_mtu (net/core/dev.c:9652) 
[ 35.243389][ T453] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.243731][ T453] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 35.244171][ T453] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.244433][ T453] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.244875][ T453] br_add_if (net/bridge/br_if.c:697) bridge 
[ 35.245241][ T453] do_set_master (net/core/rtnetlink.c:2948) 
[ 35.245565][ T453] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.245931][ T453] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.246335][ T453] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.246656][ T453] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.247006][ T453] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.247329][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.247652][ T453] ? __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) 
[ 35.247983][ T453] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.248376][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.248711][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.249035][ T453] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.249366][ T453] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.249699][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.250025][ T453] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.250344][ T453] ? __create_object (mm/kmemleak.c:771) 
[ 35.250669][ T453] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.250998][ T453] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.251322][ T453] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.251729][ T453] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.252069][ T453] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.252400][ T453] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.252735][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.253072][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.253391][ T453] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.253713][ T453] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.254037][ T453] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.254359][ T453] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.254683][ T453] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.255014][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.255337][ T453] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.255652][ T453] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.255979][ T453] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.256308][ T453] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.256628][ T453] ? 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) 
[ 35.256958][ T453] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.257282][ T453] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.257601][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.257937][ T453] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.258259][ T453] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.258576][ T453] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.258918][ T453] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.259243][ T453] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.259561][ T453] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.259972][ T453] ___sys_sendmsg (net/socket.c:2670) 
[ 35.260290][ T453] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.260602][ T453] ? __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) 
[ 35.261008][ T453] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.261346][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.261666][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.262001][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.262322][ T453] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.262645][ T453] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.262997][ T453] __sys_sendmsg (net/socket.c:2700) 
[ 35.263318][ T453] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.263720][ T453] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.264093][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.264435][ T453] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.264767][ T453] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.265162][  T453] RIP: 0033:0x7fc2798611e7
[ 35.265493][ T453] 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)
[   35.266609][  T453] RSP: 002b:00007ffceab08138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.267091][  T453] RAX: ffffffffffffffda RBX: 00007ffceab08860 RCX: 00007fc2798611e7
[   35.267562][  T453] RDX: 0000000000000000 RSI: 00007ffceab081a0 RDI: 0000000000000005
[   35.268040][  T453] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.268519][  T453] R10: 000000002dec6910 R11: 0000000000000246 R12: 0000000000000004
[   35.269019][  T453] R13: 00000000686e3ef4 R14: 0000000000499600 R15: 0000000000000000
| [   53.835467][  T576] ------------[ cut here ]------------
| [ 53.836661][ T576] WARNING: CPU: 2 PID: 576 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) 
| [   53.837299][  T576] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.838625][  T576] Tainted: [W]=WARN
[   53.838891][  T576] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.839293][ T576] 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) 
[ 53.839629][ T576] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   53.840796][  T576] RSP: 0018:ffffc900011e6f70 EFLAGS: 00010246
[   53.841209][  T576] RAX: 0000000000000000 RBX: ffff88800aa12000 RCX: 0000000000000001
[   53.841681][  T576] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   53.842164][  T576] RBP: ffffc900011e7058 R08: 0000000000000000 R09: 0000000000000000
[   53.842636][  T576] R10: ffffc900011e7088 R11: ffffffffa6a00130 R12: 1ffff9200023cdf2
[   53.843126][  T576] R13: 00000000000005dc R14: ffffc900011e7088 R15: ffff88800aa12f08
[   53.843621][  T576] FS:  00007f4813120800(0000) GS:ffff888089bb7000(0000) knlGS:0000000000000000
[   53.844179][  T576] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.844577][  T576] CR2: 00000000004e5ab0 CR3: 000000000e890003 CR4: 0000000000772ef0
[   53.845058][  T576] PKRU: 55555554
[   53.845302][  T576] Call Trace:
[   53.845550][  T576]  <TASK>
[ 53.845728][ T576] ? __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) 
[ 53.846136][ T576] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.846529][ T576] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.846861][ T576] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.847181][ T576] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.847505][ T576] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.847835][ T576] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.848150][ T576] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.848478][ T576] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.848803][ T576] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.849120][ T576] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.849433][ T576] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.849837][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.850166][ T576] netif_set_mtu (net/core/dev.c:9652) 
[ 53.850488][ T576] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.850832][ T576] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.851086][ T576] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.851515][ T576] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.851880][ T576] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 53.852198][ T576] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.852521][ T576] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.852850][ T576] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.853259][ T576] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.853583][ T576] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.853917][ T576] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.854238][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.854560][ T576] ? __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) 
[ 53.854887][ T576] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.855281][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.855600][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.855933][ T576] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.856250][ T576] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.856568][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.856896][ T576] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.857209][ T576] ? __create_object (mm/kmemleak.c:771) 
[ 53.857525][ T576] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.857855][ T576] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.858169][ T576] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.858569][ T576] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.858909][ T576] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.859233][ T576] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.859550][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.859907][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.860225][ T576] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.860539][ T576] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.860884][ T576] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.861200][ T576] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.861519][ T576] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.861853][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.862174][ T576] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.862489][ T576] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.862825][ T576] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.863164][ T576] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.863490][ T576] ? 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) 
[ 53.863822][ T576] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.864146][ T576] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.864462][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.864796][ T576] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.865114][ T576] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.865435][ T576] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.865776][ T576] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.866097][ T576] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.866412][ T576] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.866826][ T576] ___sys_sendmsg (net/socket.c:2670) 
[ 53.867142][ T576] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.867461][ T576] ? __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) 
[ 53.867896][ T576] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.868231][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.868553][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.868888][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.869206][ T576] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.869523][ T576] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.869859][ T576] __sys_sendmsg (net/socket.c:2700) 
[ 53.870173][ T576] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.870568][ T576] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.870913][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.871232][ T576] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.871550][ T576] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.871950][  T576] RIP: 0033:0x7f48132ed1e7
[ 53.872276][ T576] 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)
[   53.873400][  T576] RSP: 002b:00007ffcff9a7258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.873886][  T576] RAX: ffffffffffffffda RBX: 00007ffcff9a7980 RCX: 00007f48132ed1e7
[   53.874352][  T576] RDX: 0000000000000000 RSI: 00007ffcff9a72c0 RDI: 0000000000000005
[   53.874842][  T576] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   53.875307][  T576] R10: 00007f48131eaee8 R11: 0000000000000246 R12: 0000000000000003
[   53.875785][  T576] R13: 00000000686e3f07 R14: 0000000000499600 R15: 0000000000000000
| [   54.229824][  T580] ------------[ cut here ]------------
| [ 54.230177][ T580] WARNING: CPU: 2 PID: 580 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) 
| [   54.231055][  T580] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   54.232347][  T580] Tainted: [W]=WARN
[   54.232593][  T580] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.233008][ T580] 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) 
[ 54.233353][ T580] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   54.234469][  T580] RSP: 0018:ffffc90001226f70 EFLAGS: 00010246
[   54.234883][  T580] RAX: 0000000000000000 RBX: ffff88800aa12000 RCX: 0000000000000001
[   54.235350][  T580] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   54.235828][  T580] RBP: ffffc90001227058 R08: 0000000000000000 R09: 0000000000000000
[   54.236296][  T580] R10: ffffc90001227088 R11: ffffffffaab79160 R12: 1ffff92000244df2
[   54.236783][  T580] R13: 00000000000005dc R14: ffffc90001227088 R15: ffff88800aa12f08
[   54.237254][  T580] FS:  00007f4c04df4800(0000) GS:ffff888089bb7000(0000) knlGS:0000000000000000
[   54.237809][  T580] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.238204][  T580] CR2: 00000000004e5aa8 CR3: 0000000002c4c006 CR4: 0000000000772ef0
[   54.238682][  T580] PKRU: 55555554
[   54.238936][  T580] Call Trace:
[   54.239176][  T580]  <TASK>
[ 54.239344][ T580] ? __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) 
[ 54.239751][ T580] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 54.240115][ T580] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.240434][ T580] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.240764][ T580] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.241087][ T580] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.241405][ T580] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.241729][ T580] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.242049][ T580] ? ___sys_sendmsg (net/socket.c:2670) 
[ 54.242365][ T580] ? __sys_sendmsg (net/socket.c:2700) 
[ 54.242684][ T580] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.243023][ T580] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 54.243416][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.243760][ T580] netif_set_mtu (net/core/dev.c:9652) 
[ 54.244088][ T580] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.244419][ T580] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.244666][ T580] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 54.245112][ T580] br_del_if (net/bridge/br_if.c:743) bridge 
[ 54.245464][ T580] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 54.245794][ T580] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.246128][ T580] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.246457][ T580] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.246871][ T580] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.247189][ T580] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.247507][ T580] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.247839][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.248161][ T580] ? __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) 
[ 54.248485][ T580] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.248889][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.249214][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.249531][ T580] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.249858][ T580] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.250179][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.250498][ T580] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.250828][ T580] ? __create_object (mm/kmemleak.c:771) 
[ 54.251157][ T580] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.251509][ T580] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.251866][ T580] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.252269][ T580] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.252627][ T580] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.252967][ T580] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.253296][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.253632][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.253963][ T580] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.254279][ T580] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.254603][ T580] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.254930][ T580] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.255252][ T580] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.255574][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.255920][ T580] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.256248][ T580] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.256568][ T580] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.256909][ T580] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.257226][ T580] ? 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) 
[ 54.257549][ T580] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.257879][ T580] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.258194][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.258524][ T580] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.258855][ T580] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.259176][ T580] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.259507][ T580] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.259839][ T580] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.260156][ T580] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.260562][ T580] ___sys_sendmsg (net/socket.c:2670) 
[ 54.260897][ T580] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.261215][ T580] ? __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) 
[ 54.261610][ T580] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.261941][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.262261][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.262582][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.262910][ T580] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.263245][ T580] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.263575][ T580] __sys_sendmsg (net/socket.c:2700) 
[ 54.263908][ T580] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.264298][ T580] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.264625][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.264959][ T580] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.265280][ T580] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.265682][  T580] RIP: 0033:0x7f4c04fc11e7
[ 54.266027][ T580] 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)
[   54.267145][  T580] RSP: 002b:00007ffe7e00dcb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.267626][  T580] RAX: ffffffffffffffda RBX: 00007ffe7e00e3e0 RCX: 00007f4c04fc11e7
[   54.268117][  T580] RDX: 0000000000000000 RSI: 00007ffe7e00dd20 RDI: 0000000000000005
[   54.268585][  T580] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   54.269064][  T580] R10: 00007f4c04ebeee8 R11: 0000000000000246 R12: 0000000000000003
[   54.269533][  T580] R13: 00000000686e3f07 R14: 0000000000499600 R15: 0000000000000000
| [   54.383712][  T581] ------------[ cut here ]------------
| [ 54.384172][ T581] WARNING: CPU: 0 PID: 581 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) 
| [   54.385229][  T581] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   54.387449][  T581] Tainted: [W]=WARN
[   54.389227][  T581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.389755][ T581] 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) 
[ 54.390297][ T581] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   54.392083][  T581] RSP: 0018:ffffc90001236f70 EFLAGS: 00010246
[   54.392793][  T581] RAX: 0000000000000000 RBX: ffff88800aa12000 RCX: 0000000000000001
[   54.393452][  T581] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   54.394276][  T581] RBP: ffffc90001237058 R08: 0000000000000000 R09: 0000000000000000
[   54.395105][  T581] R10: ffffc90001237088 R11: ffffffffaab79160 R12: 1ffff92000246df2
[   54.395954][  T581] R13: 00000000000005dc R14: ffffc90001237088 R15: ffff88800aa12f08
[   54.396783][  T581] FS:  00007f8e07fa9800(0000) GS:ffff888089ab7000(0000) knlGS:0000000000000000
[   54.397746][  T581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.398427][  T581] CR2: 00000000004e73c0 CR3: 0000000009323004 CR4: 0000000000772ef0
[   54.399267][  T581] PKRU: 55555554
[   54.399670][  T581] Call Trace:
[   54.400083][  T581]  <TASK>
[ 54.400356][ T581] ? __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) 
[ 54.401047][ T581] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 54.401661][ T581] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.402073][ T581] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.402575][ T581] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.403143][ T581] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.403679][ T581] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.404228][ T581] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.404784][ T581] ? ___sys_sendmsg (net/socket.c:2670) 
[ 54.405318][ T581] ? __sys_sendmsg (net/socket.c:2700) 
[ 54.405881][ T581] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.406283][ T581] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 54.406936][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.407519][ T581] netif_set_mtu (net/core/dev.c:9652) 
[ 54.408095][ T581] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.408677][ T581] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.409110][ T581] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 54.409758][ T581] br_del_if (net/bridge/br_if.c:743) bridge 
[ 54.410158][ T581] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 54.410565][ T581] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.411132][ T581] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.411715][ T581] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.412420][ T581] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.412995][ T581] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.413550][ T581] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.414000][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.414487][ T581] ? __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) 
[ 54.415051][ T581] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.415731][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.416272][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.416825][ T581] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.417371][ T581] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.417806][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.418276][ T581] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.418823][ T581] ? __create_object (mm/kmemleak.c:771) 
[ 54.419381][ T581] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.419938][ T581] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.420486][ T581] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.421185][ T581] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.421767][ T581] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.422329][ T581] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.422883][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.423310][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.423640][ T581] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.423964][ T581] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.424286][ T581] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.424605][ T581] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.424938][ T581] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.425262][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.425587][ T581] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.425924][ T581] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.426244][ T581] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.426575][ T581] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.426901][ T581] ? 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) 
[ 54.427222][ T581] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.427544][ T581] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.427879][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.428212][ T581] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.428536][ T581] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.428866][ T581] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.429195][ T581] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.429524][ T581] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.429854][ T581] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.430265][ T581] ___sys_sendmsg (net/socket.c:2670) 
[ 54.430588][ T581] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.430916][ T581] ? __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) 
[ 54.431310][ T581] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.431629][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.431961][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.432281][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.432597][ T581] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.432931][ T581] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.433265][ T581] __sys_sendmsg (net/socket.c:2700) 
[ 54.433579][ T581] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.433980][ T581] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.434308][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.434626][ T581] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.434952][ T581] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.435347][  T581] RIP: 0033:0x7f8e081761e7
[ 54.435684][ T581] 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)
[   54.436885][  T581] RSP: 002b:00007ffd528a8f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.437366][  T581] RAX: ffffffffffffffda RBX: 00007ffd528a9670 RCX: 00007f8e081761e7
[   54.437854][  T581] RDX: 0000000000000000 RSI: 00007ffd528a8fb0 RDI: 0000000000000005
[   54.438329][  T581] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   54.438809][  T581] R10: 00007f8e08073ee8 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