======================================
| [   37.393517][  T466] br1: port 1(vethhv-11) entered forwarding state
| [   37.395310][  T466] ------------[ cut here ]------------
| [ 37.395688][ T466] WARNING: CPU: 2 PID: 466 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) 
| [   37.396334][  T466] Modules linked in: vxlan
[   37.397358][  T466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.397794][ T466] 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) 
[ 37.398136][ T466] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.399760][  T466] RSP: 0018:ffffc90000e56ef0 EFLAGS: 00010246
[   37.400188][  T466] RAX: 0000000000000000 RBX: ffff88800ce5a000 RCX: 0000000000000001
[   37.400723][  T466] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[   37.401208][  T466] RBP: ffffc90000e56fd8 R08: 0000000000000000 R09: 0000000000000000
[   37.401712][  T466] R10: ffffc90000e57008 R11: ffffffffa558d1e0 R12: 1ffff920001cade2
[   37.402216][  T466] R13: 00000000000005dc R14: ffffc90000e57008 R15: ffff88800ce5af48
[   37.402707][  T466] FS:  00007f1c5b432800(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[   37.403279][  T466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.403713][  T466] CR2: 00000000004e6890 CR3: 00000000119a7006 CR4: 0000000000772ef0
[   37.404205][  T466] PKRU: 55555554
[   37.404459][  T466] Call Trace:
[   37.404718][  T466]  <TASK>
[ 37.404899][ T466] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.405256][ T466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.405598][ T466] netif_set_mtu (net/core/dev.c:9652) 
[ 37.405937][ T466] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.406285][ T466] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.406539][ T466] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 37.406879][ T466] br_add_if (net/bridge/br_if.c:697) 
[ 37.407143][ T466] do_set_master (net/core/rtnetlink.c:2948) 
[ 37.407466][ T466] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.407808][ T466] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.408136][ T466] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.408555][ T466] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.408890][ T466] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.409215][ T466] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.409545][ T466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.409895][ T466] ? __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) 
[ 37.410229][ T466] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.410634][ T466] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.410980][ T466] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.411308][ T466] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.411634][ T466] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.411976][ T466] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.412306][ T466] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.412632][ T466] ? __create_object (mm/kmemleak.c:771) 
[ 37.412972][ T466] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.413302][ T466] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.413635][ T466] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.414057][ T466] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.414391][ T466] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.414735][ T466] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.415061][ T466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.415406][ T466] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.415745][ T466] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.416069][ T466] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.416404][ T466] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.416747][ T466] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.417077][ T466] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.417406][ T466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.417750][ T466] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.418082][ T466] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.418411][ T466] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.418763][ T466] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.419092][ T466] ? 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) 
[ 37.419422][ T466] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.419760][ T466] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.420089][ T466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.420422][ T466] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.420763][ T466] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.421095][ T466] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.421462][ T466] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.421813][ T466] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.422137][ T466] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.422551][ T466] ___sys_sendmsg (net/socket.c:2670) 
[ 37.422887][ T466] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.423215][ T466] ? __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) 
[ 37.423625][ T466] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.423993][ T466] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.424329][ T466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.424663][ T466] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.424996][ T466] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.425330][ T466] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.425669][ T466] __sys_sendmsg (net/socket.c:2700) 
[ 37.426015][ T466] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.426427][ T466] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.426778][ T466] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.427107][ T466] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.427437][ T466] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.427849][  T466] RIP: 0033:0x7f1c5b5ff1e7
[ 37.428193][ T466] 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)
[   37.429356][  T466] RSP: 002b:00007fff1e9b52f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.429857][  T466] RAX: ffffffffffffffda RBX: 00007fff1e9b5a30 RCX: 00007f1c5b5ff1e7
[   37.430338][  T466] RDX: 0000000000000000 RSI: 00007fff1e9b5360 RDI: 0000000000000005
[   37.430834][  T466] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   37.431326][  T466] R10: 000000003812e910 R11: 0000000000000246 R12: 0000000000000003
[   37.431821][  T466] R13: 00000000686e1c05 R14: 0000000000499600 R15: 0000000000000000
| [   38.990663][  T492] ------------[ cut here ]------------
| [ 38.990973][ T492] WARNING: CPU: 3 PID: 492 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) 
| [   38.991567][  T492] Modules linked in: vxlan
| [   38.992494][  T492] Tainted: [W]=WARN
[   38.992843][  T492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.993211][ T492] 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) 
[ 38.993523][ T492] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.994586][  T492] RSP: 0018:ffffc90000f06ef0 EFLAGS: 00010246
[   38.994966][  T492] RAX: 0000000000000000 RBX: ffff88800ce5a000 RCX: 0000000000000001
[   38.995428][  T492] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[   38.995891][  T492] RBP: ffffc90000f06fd8 R08: 0000000000000000 R09: 0000000000000000
[   38.996333][  T492] R10: ffffc90000f07008 R11: ffffffffa5eceab8 R12: 1ffff920001e0de2
[   38.996780][  T492] R13: 00000000000005aa R14: ffffc90000f07008 R15: ffff88800ce5af48
[   38.997230][  T492] FS:  00007fca1dde1800(0000) GS:ffff8880c5f19000(0000) knlGS:0000000000000000
[   38.997753][  T492] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.998126][  T492] CR2: 00000000004e6890 CR3: 0000000011f98003 CR4: 0000000000772ef0
[   38.998569][  T492] PKRU: 55555554
[   38.998799][  T492] Call Trace:
[   38.999020][  T492]  <TASK>
[ 38.999174][ T492] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.999479][ T492] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 38.999785][ T492] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 39.000153][ T492] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 39.000454][ T492] netif_set_mtu (net/core/dev.c:9652) 
[ 39.000757][ T492] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 39.001063][ T492] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 39.001439][ T492] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 39.001669][ T492] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 39.001985][ T492] br_add_if (net/bridge/br_if.c:697) 
[ 39.002218][ T492] do_set_master (net/core/rtnetlink.c:2948) 
[ 39.002512][ T492] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.002821][ T492] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 39.003122][ T492] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.003497][ T492] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.003812][ T492] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.004106][ T492] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.004402][ T492] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.004713][ T492] ? __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) 
[ 39.005013][ T492] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.005390][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.005702][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.006000][ T492] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.006294][ T492] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.006595][ T492] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.006905][ T492] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.007203][ T492] ? __create_object (mm/kmemleak.c:771) 
[ 39.007506][ T492] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.007811][ T492] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.008110][ T492] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.008477][ T492] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.008790][ T492] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.009090][ T492] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.009385][ T492] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.009708][ T492] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.010006][ T492] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.010299][ T492] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.010601][ T492] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.010902][ T492] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.011199][ T492] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.011495][ T492] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.011805][ T492] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.012100][ T492] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.012394][ T492] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.012715][ T492] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.013017][ T492] ? 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) 
[ 39.013313][ T492] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 39.013618][ T492] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.013921][ T492] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.014226][ T492] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.014523][ T492] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.014830][ T492] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.015145][ T492] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.015443][ T492] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.015743][ T492] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.016126][ T492] ___sys_sendmsg (net/socket.c:2670) 
[ 39.016419][ T492] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.016722][ T492] ? __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) 
[ 39.017093][ T492] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.017394][ T492] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.017707][ T492] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.018014][ T492] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.018307][ T492] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.018601][ T492] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.018912][ T492] __sys_sendmsg (net/socket.c:2700) 
[ 39.019208][ T492] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.019582][ T492] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.019897][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.020200][ T492] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.020499][ T492] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.020874][  T492] RIP: 0033:0x7fca1dfae1e7
[ 39.021182][ T492] 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)
[   39.022254][  T492] RSP: 002b:00007fffcadaa288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.022707][  T492] RAX: ffffffffffffffda RBX: 00007fffcadaa9c0 RCX: 00007fca1dfae1e7
[   39.023154][  T492] RDX: 0000000000000000 RSI: 00007fffcadaa2f0 RDI: 0000000000000005
[   39.023598][  T492] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   39.024049][  T492] R10: 0000000018cdc910 R11: 0000000000000246 R12: 0000000000000003
[   39.024493][  T492] R13: 00000000686e1c06 R14: 0000000000499600 R15: 0000000000000000
| [   42.807629][  T542] ------------[ cut here ]------------
| [ 42.807949][ T542] WARNING: CPU: 0 PID: 542 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) 
| [   42.808541][  T542] Modules linked in: vxlan
| [   42.809477][  T542] Tainted: [W]=WARN
[   42.809721][  T542] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.810098][ T542] 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) 
[ 42.810407][ T542] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.811488][  T542] RSP: 0018:ffffc90001066ef0 EFLAGS: 00010246
[   42.811876][  T542] RAX: 0000000000000000 RBX: ffff888005f9a000 RCX: 0000000000000001
[   42.812323][  T542] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[   42.812778][  T542] RBP: ffffc90001066fd8 R08: 0000000000000000 R09: 0000000000000000
[   42.813225][  T542] R10: ffffc90001067008 R11: ffffffffa558d1e0 R12: 1ffff9200020cde2
[   42.813690][  T542] R13: 00000000000005dc R14: ffffc90001067008 R15: ffff888005f9af48
[   42.814150][  T542] FS:  00007f50e2b85800(0000) GS:ffff8880c5d99000(0000) knlGS:0000000000000000
[   42.814839][  T542] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.815238][  T542] CR2: 00000000004e6898 CR3: 0000000011a9a006 CR4: 0000000000772ef0
[   42.815848][  T542] PKRU: 55555554
[   42.816072][  T542] Call Trace:
[   42.816293][  T542]  <TASK>
[ 42.816447][ T542] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.816888][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.817202][ T542] netif_set_mtu (net/core/dev.c:9652) 
[ 42.817500][ T542] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 42.817929][ T542] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 42.818168][ T542] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 42.818468][ T542] br_add_if (net/bridge/br_if.c:697) 
[ 42.818717][ T542] do_set_master (net/core/rtnetlink.c:2948) 
[ 42.819016][ T542] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.819319][ T542] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 42.819620][ T542] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.820005][ T542] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.820310][ T542] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.820604][ T542] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.820913][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.821214][ T542] ? __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) 
[ 42.821513][ T542] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.821891][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.822191][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.822497][ T542] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.822805][ T542] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.823124][ T542] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.823419][ T542] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.823726][ T542] ? __create_object (mm/kmemleak.c:771) 
[ 42.824026][ T542] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.824325][ T542] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.824627][ T542] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.825018][ T542] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.825341][ T542] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.825644][ T542] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.825956][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.826258][ T542] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.826553][ T542] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.826857][ T542] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.827165][ T542] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.827462][ T542] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.827776][ T542] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.828077][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.828379][ T542] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.828688][ T542] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.828985][ T542] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.829291][ T542] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.829591][ T542] ? 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) 
[ 42.829899][ T542] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.830206][ T542] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.830501][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.830817][ T542] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.831116][ T542] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.831413][ T542] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.831737][ T542] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.832038][ T542] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.832333][ T542] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.832726][ T542] ___sys_sendmsg (net/socket.c:2670) 
[ 42.833021][ T542] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.833314][ T542] ? __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) 
[ 42.833704][ T542] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.834015][ T542] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.834313][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.834617][ T542] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.834924][ T542] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.835228][ T542] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.835531][ T542] __sys_sendmsg (net/socket.c:2700) 
[ 42.835834][ T542] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.836216][ T542] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.836523][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.836830][ T542] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.837129][ T542] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.837496][  T542] RIP: 0033:0x7f50e2d521e7
[ 42.837812][ T542] 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)
[   42.838883][  T542] RSP: 002b:00007ffcf0923808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.839329][  T542] RAX: ffffffffffffffda RBX: 00007ffcf0923f40 RCX: 00007f50e2d521e7
[   42.839778][  T542] RDX: 0000000000000000 RSI: 00007ffcf0923870 RDI: 0000000000000005
[   42.840225][  T542] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   42.840666][  T542] R10: 0000000033f19910 R11: 0000000000000246 R12: 0000000000000003
[   42.841116][  T542] R13: 00000000686e1c0a R14: 0000000000499600 R15: 0000000000000000
| [   44.450632][  T568] ------------[ cut here ]------------
| [ 44.452275][ T568] WARNING: CPU: 2 PID: 568 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) 
| [   44.452919][  T568] Modules linked in: vxlan
| [   44.453887][  T568] Tainted: [W]=WARN
[   44.454126][  T568] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.454524][ T568] 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) 
[ 44.454865][ T568] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.455968][  T568] RSP: 0018:ffffc90001176ef0 EFLAGS: 00010246
[   44.456360][  T568] RAX: 0000000000000000 RBX: ffff888005f9a000 RCX: 0000000000000001
[   44.456842][  T568] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[   44.457309][  T568] RBP: ffffc90001176fd8 R08: 0000000000000000 R09: 0000000000000000
[   44.457792][  T568] R10: ffffc90001177008 R11: ffffffffa558d1e0 R12: 1ffff9200022ede2
[   44.458258][  T568] R13: 0000000000000596 R14: ffffc90001177008 R15: ffff888005f9af48
[   44.458742][  T568] FS:  00007f90e39fc800(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[   44.459282][  T568] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.459694][  T568] CR2: 00000000004e6898 CR3: 0000000011d14002 CR4: 0000000000772ef0
[   44.460152][  T568] PKRU: 55555554
[   44.460389][  T568] Call Trace:
[   44.460635][  T568]  <TASK>
[ 44.460824][ T568] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.461143][ T568] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.461465][ T568] netif_set_mtu (net/core/dev.c:9652) 
[ 44.461802][ T568] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 44.462126][ T568] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 44.462362][ T568] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 44.462723][ T568] br_add_if (net/bridge/br_if.c:697) 
[ 44.462976][ T568] do_set_master (net/core/rtnetlink.c:2948) 
[ 44.463281][ T568] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.463606][ T568] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 44.463952][ T568] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.464342][ T568] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.464648][ T568] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.464986][ T568] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.465311][ T568] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.465626][ T568] ? __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) 
[ 44.465975][ T568] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.466358][ T568] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.466665][ T568] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.467004][ T568] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.467311][ T568] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.467624][ T568] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.467959][ T568] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.468279][ T568] ? __create_object (mm/kmemleak.c:771) 
[ 44.468591][ T568] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.468933][ T568] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.469245][ T568] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.469628][ T568] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.469974][ T568] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.470291][ T568] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.470594][ T568] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.470943][ T568] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.471254][ T568] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.471560][ T568] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.471894][ T568] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.472207][ T568] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.472521][ T568] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.472848][ T568] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.473176][ T568] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.473499][ T568] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.473821][ T568] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.474158][ T568] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.474466][ T568] ? 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) 
[ 44.474795][ T568] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 44.475126][ T568] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.475457][ T568] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.475784][ T568] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.476114][ T568] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.476423][ T568] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.476748][ T568] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.477078][ T568] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.477385][ T568] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.477790][ T568] ___sys_sendmsg (net/socket.c:2670) 
[ 44.478123][ T568] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.478432][ T568] ? __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) 
[ 44.478829][ T568] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.479160][ T568] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.479475][ T568] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.479802][ T568] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.480125][ T568] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.480444][ T568] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.480781][ T568] __sys_sendmsg (net/socket.c:2700) 
[ 44.481087][ T568] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.481482][ T568] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.481813][ T568] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.482123][ T568] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.482451][ T568] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.482851][  T568] RIP: 0033:0x7f90e3bc91e7
[ 44.483196][ T568] 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)
[   44.484287][  T568] RSP: 002b:00007ffe4cc677b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.484756][  T568] RAX: ffffffffffffffda RBX: 00007ffe4cc67ef0 RCX: 00007f90e3bc91e7
[   44.485251][  T568] RDX: 0000000000000000 RSI: 00007ffe4cc67820 RDI: 0000000000000005
[   44.485723][  T568] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   44.486176][  T568] R10: 0000000033fbf910 R11: 0000000000000246 R12: 0000000000000003
[   44.486642][  T568] R13: 00000000686e1c0c R14: 0000000000499600 R15: 0000000000000000
| [   48.193984][  T619] ------------[ cut here ]------------
| [ 48.194289][ T619] WARNING: CPU: 3 PID: 619 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) 
| [   48.195489][  T619] Modules linked in: vxlan
| [   48.196422][  T619] Tainted: [W]=WARN
[   48.196655][  T619] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.197042][ T619] 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) 
[ 48.197352][ T619] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   48.198435][  T619] RSP: 0018:ffffc900012b6ef0 EFLAGS: 00010246
[   48.198833][  T619] RAX: 0000000000000000 RBX: ffff888011bfa000 RCX: 0000000000000001
[   48.199291][  T619] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[   48.199749][  T619] RBP: ffffc900012b6fd8 R08: 0000000000000000 R09: 0000000000000000
[   48.200201][  T619] R10: ffffc900012b7008 R11: ffffffffa558d1e0 R12: 1ffff92000256de2
[   48.200644][  T619] R13: 00000000000005dc R14: ffffc900012b7008 R15: ffff888011bfaf48
[   48.201103][  T619] FS:  00007fbf13fcd800(0000) GS:ffff8880c5f19000(0000) knlGS:0000000000000000
[   48.201622][  T619] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.202017][  T619] CR2: 00000000004e6890 CR3: 000000000d28f006 CR4: 0000000000772ef0
[   48.202480][  T619] PKRU: 55555554
[   48.202716][  T619] Call Trace:
[   48.202940][  T619]  <TASK>
[ 48.203095][ T619] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 48.203393][ T619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.203858][ T619] netif_set_mtu (net/core/dev.c:9652) 
[ 48.204156][ T619] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 48.204465][ T619] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 48.204836][ T619] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 48.205143][ T619] br_add_if (net/bridge/br_if.c:697) 
[ 48.205384][ T619] do_set_master (net/core/rtnetlink.c:2948) 
[ 48.205823][ T619] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 48.206124][ T619] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 48.206421][ T619] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 48.206940][ T619] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 48.207240][ T619] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 48.207539][ T619] ? __kernel_text_address (kernel/extable.c:79) 
[ 48.207979][ T619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.208282][ T619] ? __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) 
[ 48.208584][ T619] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 48.209054][ T619] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 48.209353][ T619] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 48.209648][ T619] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 48.209963][ T619] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 48.210261][ T619] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.210561][ T619] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 48.210869][ T619] ? __create_object (mm/kmemleak.c:771) 
[ 48.211167][ T619] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 48.211461][ T619] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 48.211769][ T619] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 48.212146][ T619] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 48.212449][ T619] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 48.212763][ T619] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 48.213060][ T619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.213364][ T619] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.213664][ T619] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 48.213968][ T619] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 48.214269][ T619] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 48.214575][ T619] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 48.214887][ T619] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 48.215192][ T619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.215492][ T619] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 48.215825][ T619] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 48.216127][ T619] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 48.216435][ T619] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 48.216755][ T619] ? 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) 
[ 48.217054][ T619] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 48.217363][ T619] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 48.217659][ T619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.217972][ T619] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 48.218272][ T619] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 48.218566][ T619] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 48.218884][ T619] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 48.219191][ T619] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 48.219482][ T619] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 48.219874][ T619] ___sys_sendmsg (net/socket.c:2670) 
[ 48.220173][ T619] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 48.220464][ T619] ? __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) 
[ 48.220843][ T619] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 48.221147][ T619] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.221451][ T619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.221765][ T619] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.222067][ T619] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 48.222362][ T619] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 48.222666][ T619] __sys_sendmsg (net/socket.c:2700) 
[ 48.222989][ T619] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 48.223358][ T619] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 48.223692][ T619] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 48.223992][ T619] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 48.224291][ T619] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.224657][  T619] RIP: 0033:0x7fbf1419a1e7
[ 48.224979][ T619] 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)
[   48.226068][  T619] RSP: 002b:00007ffdd3d7b888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   48.226516][  T619] RAX: ffffffffffffffda RBX: 00007ffdd3d7bfc0 RCX: 00007fbf1419a1e7
[   48.226969][  T619] RDX: 0000000000000000 RSI: 00007ffdd3d7b8f0 RDI: 0000000000000005
[   48.227415][  T619] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   48.227876][  T619] R10: 0000000021679910 R11: 0000000000000246 R12: 0000000000000003
[   48.228320][  T619] R13: 00000000686e1c0f R14: 0000000000499600 R15: 0000000000000000
| [   49.825654][  T645] ------------[ cut here ]------------
| [ 49.825998][ T645] WARNING: CPU: 2 PID: 645 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) 
| [   49.826601][  T645] Modules linked in: vxlan
| [   49.827555][  T645] Tainted: [W]=WARN
[   49.828795][  T645] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.829197][ T645] 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) 
[ 49.829519][ T645] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   49.830604][  T645] RSP: 0018:ffffc900013a6ef0 EFLAGS: 00010246
[   49.831004][  T645] RAX: 0000000000000000 RBX: ffff888011bfa000 RCX: 0000000000000001
[   49.831467][  T645] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[   49.831929][  T645] RBP: ffffc900013a6fd8 R08: 0000000000000000 R09: 0000000000000000
[   49.832382][  T645] R10: ffffc900013a7008 R11: ffffffffa5eceab8 R12: 1ffff92000274de2
[   49.832849][  T645] R13: 00000000000005aa R14: ffffc900013a7008 R15: ffff888011bfaf48
[   49.833312][  T645] FS:  00007f2d33974800(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[   49.833859][  T645] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.834255][  T645] CR2: 00000000004e6890 CR3: 0000000011d20004 CR4: 0000000000772ef0
[   49.834723][  T645] PKRU: 55555554
[   49.834961][  T645] Call Trace:
[   49.835221][  T645]  <TASK>
[ 49.835403][ T645] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 49.835732][ T645] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 49.836048][ T645] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 49.836429][ T645] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 49.836753][ T645] netif_set_mtu (net/core/dev.c:9652) 
[ 49.837067][ T645] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 49.837388][ T645] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 49.837795][ T645] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 49.838036][ T645] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 49.838352][ T645] br_add_if (net/bridge/br_if.c:697) 
[ 49.838600][ T645] do_set_master (net/core/rtnetlink.c:2948) 
[ 49.838922][ T645] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 49.839239][ T645] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 49.839557][ T645] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 49.839965][ T645] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 49.840280][ T645] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 49.840583][ T645] ? __kernel_text_address (kernel/extable.c:79) 
[ 49.840913][ T645] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.841226][ T645] ? __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) 
[ 49.841539][ T645] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 49.841930][ T645] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.842249][ T645] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.842556][ T645] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 49.842876][ T645] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 49.843187][ T645] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.843503][ T645] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 49.843824][ T645] ? __create_object (mm/kmemleak.c:771) 
[ 49.844139][ T645] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 49.844448][ T645] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 49.844780][ T645] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 49.845167][ T645] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 49.845494][ T645] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 49.845823][ T645] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.846133][ T645] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.846450][ T645] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.846804][ T645] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 49.847117][ T645] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.847435][ T645] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.847780][ T645] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 49.848091][ T645] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.848407][ T645] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.848729][ T645] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 49.849038][ T645] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.849350][ T645] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 49.849690][ T645] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 49.849998][ T645] ? 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) 
[ 49.850313][ T645] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 49.850626][ T645] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 49.850946][ T645] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.851260][ T645] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 49.851572][ T645] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 49.851895][ T645] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 49.852210][ T645] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 49.852520][ T645] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 49.852837][ T645] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 49.853230][ T645] ___sys_sendmsg (net/socket.c:2670) 
[ 49.853536][ T645] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 49.853852][ T645] ? __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) 
[ 49.854247][ T645] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 49.854559][ T645] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.854883][ T645] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.855208][ T645] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.855523][ T645] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 49.855839][ T645] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.856156][ T645] __sys_sendmsg (net/socket.c:2700) 
[ 49.856465][ T645] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 49.856859][ T645] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 49.857187][ T645] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.857498][ T645] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 49.857821][ T645] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   49.858201][  T645] RIP: 0033:0x7f2d33b411e7
[ 49.858520][ T645] 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)
[   49.859607][  T645] RSP: 002b:00007ffcfc888a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   49.860079][  T645] RAX: ffffffffffffffda RBX: 00007ffcfc889160 RCX: 00007f2d33b411e7
[   49.860533][  T645] RDX: 0000000000000000 RSI: 00007ffcfc888a90 RDI: 0000000000000005
[   49.861003][  T645] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   49.861460][  T645] R10: 00000000176dd910 R11: 0000000000000246 R12: 0000000000000003
[   49.861924][  T645] R13: 00000000686e1c11 R14: 0000000000499600 R15: 0000000000000000
| [   53.638813][  T696] ------------[ cut here ]------------
| [ 53.639166][ T696] WARNING: CPU: 2 PID: 696 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) 
| [   53.639824][  T696] Modules linked in: vxlan
| [   53.640829][  T696] Tainted: [W]=WARN
[   53.641087][  T696] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.641497][ T696] 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) 
[ 53.641996][ T696] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   53.643286][  T696] RSP: 0018:ffffc90001486ef0 EFLAGS: 00010246
[   53.643842][  T696] RAX: 0000000000000000 RBX: ffff888011982000 RCX: 0000000000000001
[   53.644332][  T696] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[   53.644829][  T696] RBP: ffffc90001486fd8 R08: 0000000000000000 R09: 0000000000000000
[   53.645368][  T696] R10: ffffc90001487008 R11: ffffffffa558d1e0 R12: 1ffff92000290de2
[   53.645869][  T696] R13: 00000000000005dc R14: ffffc90001487008 R15: ffff888011982f48
[   53.646354][  T696] FS:  00007fe42ebe8800(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[   53.646931][  T696] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.647343][  T696] CR2: 00000000004e6898 CR3: 0000000012256003 CR4: 0000000000772ef0
[   53.647881][  T696] PKRU: 55555554
[   53.648133][  T696] Call Trace:
[   53.648383][  T696]  <TASK>
[ 53.648575][ T696] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.648919][ T696] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.649260][ T696] netif_set_mtu (net/core/dev.c:9652) 
[ 53.649586][ T696] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.649943][ T696] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.650194][ T696] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 53.650528][ T696] br_add_if (net/bridge/br_if.c:697) 
[ 53.650801][ T696] do_set_master (net/core/rtnetlink.c:2948) 
[ 53.651141][ T696] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 53.651474][ T696] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.651816][ T696] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.652226][ T696] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.652555][ T696] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.652888][ T696] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.653221][ T696] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.653559][ T696] ? __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) 
[ 53.653906][ T696] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.654305][ T696] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.654641][ T696] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.654982][ T696] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.655348][ T696] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.655691][ T696] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.656031][ T696] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.656356][ T696] ? __create_object (mm/kmemleak.c:771) 
[ 53.656694][ T696] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.657022][ T696] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.657351][ T696] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.657759][ T696] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.658093][ T696] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.658424][ T696] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.658770][ T696] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.659109][ T696] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.659436][ T696] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.659773][ T696] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.660103][ T696] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.660424][ T696] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.660760][ T696] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.661097][ T696] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.661427][ T696] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.661761][ T696] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.662087][ T696] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.662423][ T696] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.662762][ T696] ? 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) 
[ 53.663090][ T696] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 53.663423][ T696] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.663757][ T696] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.664084][ T696] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.664412][ T696] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.664748][ T696] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.665084][ T696] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.665454][ T696] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.665790][ T696] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.666210][ T696] ___sys_sendmsg (net/socket.c:2670) 
[ 53.666537][ T696] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.666874][ T696] ? __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) 
[ 53.667285][ T696] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.667614][ T696] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.667955][ T696] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.668288][ T696] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.668621][ T696] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.668955][ T696] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.669293][ T696] __sys_sendmsg (net/socket.c:2700) 
[ 53.669622][ T696] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.670029][ T696] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.670366][ T696] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.670705][ T696] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.671045][ T696] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.671444][  T696] RIP: 0033:0x7fe42edb51e7
[ 53.671795][ T696] 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)
[   53.672931][  T696] RSP: 002b:00007ffe93f05608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.673428][  T696] RAX: ffffffffffffffda RBX: 00007ffe93f05d40 RCX: 00007fe42edb51e7
[   53.673918][  T696] RDX: 0000000000000000 RSI: 00007ffe93f05670 RDI: 0000000000000005
[   53.674400][  T696] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   53.674897][  T696] R10: 0000000016c56910 R11: 0000000000000246 R12: 0000000000000003
[   53.675442][  T696] R13: 00000000686e1c15 R14: 0000000000499600 R15: 0000000000000000
| [   55.341742][  T722] ------------[ cut here ]------------
| [ 55.342048][ T722] WARNING: CPU: 0 PID: 722 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) 
| [   55.342648][  T722] Modules linked in: vxlan
| [   55.343569][  T722] Tainted: [W]=WARN
[   55.343800][  T722] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 55.344175][ T722] 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) 
[ 55.344490][ T722] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   55.345573][  T722] RSP: 0018:ffffc90001556ef0 EFLAGS: 00010246
[   55.345959][  T722] RAX: 0000000000000000 RBX: ffff888011982000 RCX: 0000000000000001
[   55.346408][  T722] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[   55.346857][  T722] RBP: ffffc90001556fd8 R08: 0000000000000000 R09: 0000000000000000
[   55.347298][  T722] R10: ffffc90001557008 R11: ffffffffa5eceab8 R12: 1ffff920002aade2
[   55.347750][  T722] R13: 0000000000000596 R14: ffffc90001557008 R15: ffff888011982f48
[   55.348206][  T722] FS:  00007faa314fe800(0000) GS:ffff8880c5d99000(0000) knlGS:0000000000000000
[   55.348732][  T722] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.349104][  T722] CR2: 00000000004e6898 CR3: 000000000f32d003 CR4: 0000000000772ef0
[   55.349548][  T722] PKRU: 55555554
[   55.349778][  T722] Call Trace:
[   55.350000][  T722]  <TASK>
[ 55.350153][ T722] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 55.350461][ T722] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 55.350771][ T722] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 55.351140][ T722] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 55.351443][ T722] netif_set_mtu (net/core/dev.c:9652) 
[ 55.351752][ T722] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 55.352059][ T722] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 55.352445][ T722] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 55.352685][ T722] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 55.352989][ T722] br_add_if (net/bridge/br_if.c:697) 
[ 55.353226][ T722] do_set_master (net/core/rtnetlink.c:2948) 
[ 55.353520][ T722] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 55.353850][ T722] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 55.354155][ T722] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 55.354533][ T722] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 55.354846][ T722] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 55.355145][ T722] ? __kernel_text_address (kernel/extable.c:79) 
[ 55.355457][ T722] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.355770][ T722] ? __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) 
[ 55.356071][ T722] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 55.356440][ T722] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.356749][ T722] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.357057][ T722] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 55.357353][ T722] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 55.357650][ T722] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.357957][ T722] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 55.358250][ T722] ? __create_object (mm/kmemleak.c:771) 
[ 55.358547][ T722] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 55.358858][ T722] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 55.359166][ T722] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 55.359533][ T722] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 55.359842][ T722] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 55.360147][ T722] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 55.360444][ T722] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.360756][ T722] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.361050][ T722] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 55.361344][ T722] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.361643][ T722] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 55.361954][ T722] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 55.362252][ T722] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.362553][ T722] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.362858][ T722] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 55.363152][ T722] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.363447][ T722] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 55.363765][ T722] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 55.364060][ T722] ? 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) 
[ 55.364359][ T722] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 55.364657][ T722] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 55.364961][ T722] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.365278][ T722] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 55.365578][ T722] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 55.365898][ T722] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 55.366202][ T722] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 55.366509][ T722] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 55.366812][ T722] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 55.367193][ T722] ___sys_sendmsg (net/socket.c:2670) 
[ 55.367488][ T722] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 55.367790][ T722] ? __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) 
[ 55.368165][ T722] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 55.368463][ T722] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.368773][ T722] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.369076][ T722] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.369371][ T722] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 55.369669][ T722] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.369983][ T722] __sys_sendmsg (net/socket.c:2700) 
[ 55.370276][ T722] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 55.370651][ T722] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 55.370966][ T722] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.371265][ T722] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 55.371566][ T722] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   55.371945][  T722] RIP: 0033:0x7faa316cb1e7
[ 55.372253][ T722] 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)
[   55.373325][  T722] RSP: 002b:00007ffd3b4f4758 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   55.373781][  T722] RAX: ffffffffffffffda RBX: 00007ffd3b4f4e90 RCX: 00007faa316cb1e7
[   55.374224][  T722] RDX: 0000000000000000 RSI: 00007ffd3b4f47c0 RDI: 0000000000000005
[   55.374685][  T722] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   55.375127][  T722] R10: 0000000027ca8910 R11: 0000000000000246 R12: 0000000000000003
[   55.375577][  T722] R13: 00000000686e1c16 R14: 0000000000499600 R15: 0000000000000000
| [   60.128583][   T67] ------------[ cut here ]------------
| [ 60.128917][ T67] WARNING: CPU: 3 PID: 67 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) 
| [   60.129467][   T67] Modules linked in: vxlan
| [   60.130619][   T67] Tainted: [W]=WARN
[   60.130863][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.131255][   T67] Workqueue: netns cleanup_net
[ 60.131599][ T67] 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) 
[ 60.131933][ T67] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   60.133060][   T67] RSP: 0018:ffffc90000487360 EFLAGS: 00010246
[   60.133465][   T67] RAX: 0000000000000000 RBX: ffff888011982000 RCX: 0000000000000001
[   60.133944][   T67] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[   60.134412][   T67] RBP: ffffc90000487450 R08: 0000000000000000 R09: 0000000000000000
[   60.134886][   T67] R10: ffffc90000487480 R11: ffffffffa0ebe86a R12: 1ffff92000090e70
[   60.135366][   T67] R13: 00000000000005dc R14: ffffc90000487480 R15: ffff888011982f48
[   60.135839][   T67] FS:  0000000000000000(0000) GS:ffff8880c5f19000(0000) knlGS:0000000000000000
[   60.136398][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.136798][   T67] CR2: 00007fc717227000 CR3: 000000002554a001 CR4: 0000000000772ef0
[   60.137265][   T67] PKRU: 55555554
[   60.137502][   T67] Call Trace:
[   60.137744][   T67]  <TASK>
[ 60.137903][ T67] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 60.138214][ T67] ? __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) 
[ 60.138603][ T67] ? br_del_if (net/bridge/br_if.c:742) 
[ 60.138847][ T67] ? br_device_event (net/bridge/br.c:141) 
[ 60.139158][ T67] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 60.139466][ T67] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 60.139783][ T67] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 60.140165][ T67] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 60.140548][ T67] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 60.140872][ T67] ? cleanup_net (net/core/net_namespace.c:684) 
[ 60.141181][ T67] ? process_one_work (kernel/workqueue.c:3238) 
[ 60.141489][ T67] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 60.141798][ T67] ? kthread (kernel/kthread.c:464) 
[ 60.142032][ T67] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 60.142345][ T67] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 60.142667][ T67] netif_set_mtu (net/core/dev.c:9652) 
[ 60.142986][ T67] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 60.143317][ T67] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 60.143553][ T67] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 60.143873][ T67] br_del_if (net/bridge/br_if.c:743) 
[ 60.144111][ T67] br_device_event (net/bridge/br.c:141) 
[ 60.144419][ T67] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 60.144747][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 60.145072][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 60.145479][ T67] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 60.145900][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 60.146286][ T67] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 60.146609][ T67] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 60.147018][ T67] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 60.147422][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 60.147753][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 60.148144][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 60.148455][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 60.148845][ T67] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 60.149225][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 60.149606][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 60.150006][ T67] default_device_exit_batch (net/core/dev.c:12673) 
[ 60.150318][ T67] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 60.150710][ T67] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 60.151023][ T67] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 60.151332][ T67] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 60.151646][ T67] cleanup_net (net/core/net_namespace.c:684) 
[ 60.151959][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 60.152268][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.152588][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 60.152911][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 60.153226][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 60.153824][ T67] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 60.154138][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 60.154446][ T67] kthread (kernel/kthread.c:464) 
[ 60.154687][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 60.155225][ T67] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 60.155537][ T67] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.155855][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.156161][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 60.156699][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 60.157008][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 60.157313][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   60.185115][   T67] ------------[ cut here ]------------
| [ 60.185467][ T67] WARNING: CPU: 3 PID: 67 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) 
| [   60.186402][   T67] Modules linked in: vxlan
| [   60.187429][   T67] Tainted: [W]=WARN
[   60.187664][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.188059][   T67] Workqueue: netns cleanup_net
[ 60.188389][ T67] 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) 
[ 60.188713][ T67] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   60.189835][   T67] RSP: 0018:ffffc90000487360 EFLAGS: 00010246
[   60.190225][   T67] RAX: 0000000000000000 RBX: ffff888011bfa000 RCX: 0000000000000001
[   60.190702][   T67] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[   60.191163][   T67] RBP: ffffc90000487450 R08: 0000000000000000 R09: 0000000000000000
[   60.191621][   T67] R10: ffffc90000487480 R11: ffffffffa558d1e0 R12: 1ffff92000090e70
[   60.192092][   T67] R13: 00000000000005dc R14: ffffc90000487480 R15: ffff888011bfaf48
[   60.192554][   T67] FS:  0000000000000000(0000) GS:ffff8880c5f19000(0000) knlGS:0000000000000000
[   60.193104][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.193495][   T67] CR2: 00007fc717227000 CR3: 0000000005301002 CR4: 0000000000772ef0
[   60.193982][   T67] PKRU: 55555554
[   60.194215][   T67] Call Trace:
[   60.194451][   T67]  <TASK>
[ 60.194624][ T67] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 60.194943][ T67] ? __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) 
[ 60.195352][ T67] ? br_del_if (net/bridge/br_if.c:742) 
[ 60.195588][ T67] ? br_device_event (net/bridge/br.c:141) 
[ 60.195906][ T67] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 60.196215][ T67] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 60.196527][ T67] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 60.196933][ T67] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 60.197320][ T67] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 60.197632][ T67] ? cleanup_net (net/core/net_namespace.c:684) 
[ 60.197944][ T67] ? process_one_work (kernel/workqueue.c:3238) 
[ 60.198253][ T67] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 60.198560][ T67] ? kthread (kernel/kthread.c:464) 
[ 60.198798][ T67] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 60.199113][ T67] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 60.199435][ T67] netif_set_mtu (net/core/dev.c:9652) 
[ 60.199754][ T67] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 60.200085][ T67] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 60.200323][ T67] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 60.200641][ T67] br_del_if (net/bridge/br_if.c:743) 
[ 60.200883][ T67] br_device_event (net/bridge/br.c:141) 
[ 60.201194][ T67] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 60.201521][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 60.201846][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 60.202235][ T67] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 60.202642][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 60.203040][ T67] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 60.203369][ T67] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 60.203785][ T67] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 60.204193][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 60.204507][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 60.204909][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 60.205234][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 60.205619][ T67] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 60.206012][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 60.206393][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 60.206791][ T67] default_device_exit_batch (net/core/dev.c:12673) 
[ 60.207099][ T67] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 60.207493][ T67] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 60.207812][ T67] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 60.208126][ T67] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 60.208443][ T67] cleanup_net (net/core/net_namespace.c:684) 
[ 60.208774][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 60.209087][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.209403][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 60.209727][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 60.210044][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 60.210360][ T67] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 60.210690][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 60.211000][ T67] kthread (kernel/kthread.c:464) 
[ 60.211234][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 60.211539][ T67] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 60.211855][ T67] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.212169][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.212477][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 60.212800][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 60.213112][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 60.213421][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   82.369780][  T963] ------------[ cut here ]------------
| [ 82.370084][ T963] WARNING: CPU: 0 PID: 963 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) 
| [   82.370723][  T963] Modules linked in: vxlan
| [   82.371632][  T963] Tainted: [W]=WARN
[   82.371871][  T963] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 82.372253][ T963] 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) 
[ 82.372561][ T963] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   82.373662][  T963] RSP: 0018:ffffc90001a56ef0 EFLAGS: 00010246
[   82.374075][  T963] RAX: 0000000000000000 RBX: ffff88800d362000 RCX: 0000000000000001
[   82.374530][  T963] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[   82.374980][  T963] RBP: ffffc90001a56fd8 R08: 0000000000000000 R09: 0000000000000000
[   82.375459][  T963] R10: ffffc90001a57008 R11: ffffffffa558d1e0 R12: 1ffff9200034ade2
[   82.375926][  T963] R13: 00000000000005dc R14: ffffc90001a57008 R15: ffff88800d362f48
[   82.376376][  T963] FS:  00007fdc520cc800(0000) GS:ffff8880c5d99000(0000) knlGS:0000000000000000
[   82.376910][  T963] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.377287][  T963] CR2: 00000000004e6890 CR3: 000000000ce6e004 CR4: 0000000000772ef0
[   82.377762][  T963] PKRU: 55555554
[   82.377996][  T963] Call Trace:
[   82.378223][  T963]  <TASK>
[ 82.378378][ T963] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 82.378690][ T963] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 82.379003][ T963] netif_set_mtu (net/core/dev.c:9652) 
[ 82.379302][ T963] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 82.379615][ T963] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 82.379852][ T963] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 82.380158][ T963] br_add_if (net/bridge/br_if.c:697) 
[ 82.380403][ T963] do_set_master (net/core/rtnetlink.c:2948) 
[ 82.380707][ T963] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 82.381009][ T963] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 82.381310][ T963] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 82.381732][ T963] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 82.382030][ T963] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 82.382325][ T963] ? __kernel_text_address (kernel/extable.c:79) 
[ 82.382663][ T963] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 82.382979][ T963] ? __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) 
[ 82.383279][ T963] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 82.383645][ T963] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 82.383955][ T963] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 82.384250][ T963] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 82.384546][ T963] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 82.384901][ T963] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 82.385213][ T963] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 82.385512][ T963] ? __create_object (mm/kmemleak.c:771) 
[ 82.385834][ T963] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 82.386132][ T963] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 82.386437][ T963] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 82.386810][ T963] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 82.387125][ T963] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 82.387442][ T963] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 82.387748][ T963] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 82.388047][ T963] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 82.388350][ T963] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 82.388646][ T963] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 82.388959][ T963] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 82.389260][ T963] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 82.389569][ T963] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 82.389891][ T963] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 82.390206][ T963] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 82.390507][ T963] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 82.390816][ T963] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 82.391121][ T963] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 82.391422][ T963] ? 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) 
[ 82.391765][ T963] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 82.392070][ T963] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 82.392365][ T963] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 82.392666][ T963] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 82.392979][ T963] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 82.393280][ T963] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 82.393582][ T963] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 82.393893][ T963] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 82.394195][ T963] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 82.394578][ T963] ___sys_sendmsg (net/socket.c:2670) 
[ 82.394882][ T963] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 82.395179][ T963] ? __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) 
[ 82.395561][ T963] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 82.395872][ T963] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 82.396182][ T963] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 82.396485][ T963] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 82.396792][ T963] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 82.397090][ T963] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 82.397393][ T963] __sys_sendmsg (net/socket.c:2700) 
[ 82.397703][ T963] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 82.398073][ T963] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 82.398378][ T963] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 82.398693][ T963] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 82.398995][ T963] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   82.399360][  T963] RIP: 0033:0x7fdc522991e7
[ 82.399668][ T963] 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)
[   82.400796][  T963] RSP: 002b:00007fff7549b638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   82.401249][  T963] RAX: ffffffffffffffda RBX: 00007fff7549bd70 RCX: 00007fdc522991e7
[   82.401724][  T963] RDX: 0000000000000000 RSI: 00007fff7549b6a0 RDI: 0000000000000005
[   82.402188][  T963] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   82.402637][  T963] R10: 00000000023ea910 R11: 0000000000000246 R12: 0000000000000003
[   82.403088][  T963] R13: 00000000686e1c31 R14: 0000000000499600 R15: 0000000000000000
| [   84.010922][  T989] ------------[ cut here ]------------
| [ 84.011235][ T989] WARNING: CPU: 3 PID: 989 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) 
| [   84.011868][  T989] Modules linked in: vxlan
| [   84.012795][  T989] Tainted: [W]=WARN
[   84.013024][  T989] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 84.013394][ T989] 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) 
[ 84.013716][ T989] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   84.014778][  T989] RSP: 0018:ffffc900020b6ef0 EFLAGS: 00010246
[   84.015151][  T989] RAX: 0000000000000000 RBX: ffff88800d362000 RCX: 0000000000000001
[   84.015605][  T989] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[   84.016132][  T989] RBP: ffffc900020b6fd8 R08: 0000000000000000 R09: 0000000000000000
[   84.016580][  T989] R10: ffffc900020b7008 R11: ffffffffa5eceab8 R12: 1ffff92000416de2
[   84.017478][  T989] R13: 00000000000005aa R14: ffffc900020b7008 R15: ffff88800d362f48
[   84.018071][  T989] FS:  00007fb1588c1800(0000) GS:ffff8880c5f19000(0000) knlGS:0000000000000000
[   84.018594][  T989] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   84.019147][  T989] CR2: 00000000004e6890 CR3: 000000000e25b006 CR4: 0000000000772ef0
[   84.019595][  T989] PKRU: 55555554
[   84.020080][  T989] Call Trace:
[   84.020311][  T989]  <TASK>
[ 84.020466][ T989] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 84.021012][ T989] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 84.021313][ T989] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 84.021766][ T989] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 84.022067][ T989] netif_set_mtu (net/core/dev.c:9652) 
[ 84.022367][ T989] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 84.022682][ T989] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 84.023064][ T989] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 84.023294][ T989] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 84.023594][ T989] br_add_if (net/bridge/br_if.c:697) 
[ 84.023837][ T989] do_set_master (net/core/rtnetlink.c:2948) 
[ 84.024139][ T989] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 84.024441][ T989] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 84.024752][ T989] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 84.025133][ T989] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 84.025452][ T989] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 84.025760][ T989] ? __kernel_text_address (kernel/extable.c:79) 
[ 84.026062][ T989] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.026365][ T989] ? __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) 
[ 84.026660][ T989] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 84.027038][ T989] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 84.027337][ T989] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 84.027629][ T989] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 84.027934][ T989] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 84.028235][ T989] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 84.028531][ T989] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 84.028850][ T989] ? __create_object (mm/kmemleak.c:771) 
[ 84.029151][ T989] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 84.029445][ T989] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 84.029755][ T989] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 84.030126][ T989] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 84.030427][ T989] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 84.030736][ T989] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 84.031032][ T989] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.031338][ T989] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 84.031635][ T989] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 84.031935][ T989] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 84.032242][ T989] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 84.032539][ T989] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 84.032844][ T989] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 84.033152][ T989] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.033453][ T989] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 84.033762][ T989] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 84.034059][ T989] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 84.034365][ T989] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 84.034664][ T989] ? 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) 
[ 84.034968][ T989] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 84.035279][ T989] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 84.035573][ T989] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.035882][ T989] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 84.036191][ T989] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 84.036498][ T989] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 84.036819][ T989] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 84.037116][ T989] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 84.037407][ T989] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 84.037795][ T989] ___sys_sendmsg (net/socket.c:2670) 
[ 84.038089][ T989] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 84.038384][ T989] ? __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) 
[ 84.038760][ T989] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 84.039062][ T989] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 84.039361][ T989] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.039660][ T989] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 84.039965][ T989] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 84.040258][ T989] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 84.040560][ T989] __sys_sendmsg (net/socket.c:2700) 
[ 84.040861][ T989] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 84.041224][ T989] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 84.041537][ T989] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 84.041844][ T989] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 84.042140][ T989] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   84.042505][  T989] RIP: 0033:0x7fb158a8e1e7
[ 84.042820][ T989] 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)
[   84.043892][  T989] RSP: 002b:00007fff04f22db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   84.044332][  T989] RAX: ffffffffffffffda RBX: 00007fff04f234f0 RCX: 00007fb158a8e1e7
[   84.044787][  T989] RDX: 0000000000000000 RSI: 00007fff04f22e20 RDI: 0000000000000005
[   84.045232][  T989] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   84.045691][  T989] R10: 0000000020767910 R11: 0000000000000246 R12: 0000000000000003
[   84.046137][  T989] R13: 00000000686e1c33 R14: 0000000000499600 R15: 0000000000000000
| [   87.851608][ T1040] ------------[ cut here ]------------
| [ 87.851937][ T1040] WARNING: CPU: 3 PID: 1040 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) 
| [   87.852587][ T1040] Modules linked in: vxlan
| [   87.853773][ T1040] Tainted: [W]=WARN
[   87.854010][ T1040] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 87.854412][ T1040] 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) 
[ 87.854744][ T1040] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   87.855899][ T1040] RSP: 0018:ffffc90002016ef0 EFLAGS: 00010246
[   87.856311][ T1040] RAX: 0000000000000000 RBX: ffff8880095ca000 RCX: 0000000000000001
[   87.856801][ T1040] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[   87.857263][ T1040] RBP: ffffc90002016fd8 R08: 0000000000000000 R09: 0000000000000000
[   87.857773][ T1040] R10: ffffc90002017008 R11: ffffffffa558d1e0 R12: 1ffff92000402de2
[   87.858244][ T1040] R13: 00000000000005dc R14: ffffc90002017008 R15: ffff8880095caf48
[   87.858735][ T1040] FS:  00007f1bcc7ae800(0000) GS:ffff8880c5f19000(0000) knlGS:0000000000000000
[   87.859291][ T1040] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.859716][ T1040] CR2: 00000000004e6898 CR3: 0000000002685004 CR4: 0000000000772ef0
[   87.860197][ T1040] PKRU: 55555554
[   87.860429][ T1040] Call Trace:
[   87.860696][ T1040]  <TASK>
[ 87.860857][ T1040] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 87.861181][ T1040] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 87.861544][ T1040] netif_set_mtu (net/core/dev.c:9652) 
[ 87.861866][ T1040] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 87.862196][ T1040] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 87.862431][ T1040] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 87.862774][ T1040] br_add_if (net/bridge/br_if.c:697) 
[ 87.863025][ T1040] do_set_master (net/core/rtnetlink.c:2948) 
[ 87.863343][ T1040] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 87.863712][ T1040] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 87.864040][ T1040] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 87.864441][ T1040] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 87.864780][ T1040] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 87.865097][ T1040] ? __kernel_text_address (kernel/extable.c:79) 
[ 87.865430][ T1040] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 87.865774][ T1040] ? __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) 
[ 87.866104][ T1040] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 87.866495][ T1040] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 87.866834][ T1040] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 87.867146][ T1040] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 87.867458][ T1040] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 87.867798][ T1040] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 87.868115][ T1040] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 87.868429][ T1040] ? __create_object (mm/kmemleak.c:771) 
[ 87.868776][ T1040] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 87.869098][ T1040] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 87.869406][ T1040] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 87.869828][ T1040] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 87.870146][ T1040] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 87.870461][ T1040] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 87.870793][ T1040] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 87.871114][ T1040] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 87.871424][ T1040] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 87.871748][ T1040] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 87.872062][ T1040] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 87.872370][ T1040] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 87.872698][ T1040] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 87.873027][ T1040] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 87.873346][ T1040] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 87.873681][ T1040] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 87.874009][ T1040] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 87.874346][ T1040] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 87.874661][ T1040] ? 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) 
[ 87.875007][ T1040] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 87.875340][ T1040] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 87.875658][ T1040] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 87.876043][ T1040] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 87.876376][ T1040] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 87.876708][ T1040] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 87.877039][ T1040] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 87.877361][ T1040] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 87.877668][ T1040] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 87.878092][ T1040] ___sys_sendmsg (net/socket.c:2670) 
[ 87.878423][ T1040] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 87.878739][ T1040] ? __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) 
[ 87.879147][ T1040] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 87.879464][ T1040] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 87.879792][ T1040] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 87.880130][ T1040] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 87.880451][ T1040] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 87.880783][ T1040] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 87.881113][ T1040] __sys_sendmsg (net/socket.c:2700) 
[ 87.881420][ T1040] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 87.881818][ T1040] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 87.882172][ T1040] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 87.882484][ T1040] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 87.882814][ T1040] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   87.883235][ T1040] RIP: 0033:0x7f1bcc97b1e7
[ 87.883558][ T1040] 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)
[   87.884708][ T1040] RSP: 002b:00007ffdbf9c2748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   87.885196][ T1040] RAX: ffffffffffffffda RBX: 00007ffdbf9c2e80 RCX: 00007f1bcc97b1e7
[   87.885694][ T1040] RDX: 0000000000000000 RSI: 00007ffdbf9c27b0 RDI: 0000000000000005
[   87.886176][ T1040] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   87.886641][ T1040] R10: 000000003c0d6910 R11: 0000000000000246 R12: 0000000000000003
[   87.887139][ T1040] R13: 00000000686e1c37 R14: 0000000000499600 R15: 0000000000000000
| [   89.530172][ T1066] ------------[ cut here ]------------
| [ 89.530514][ T1066] WARNING: CPU: 3 PID: 1066 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) 
| [   89.532910][ T1066] Modules linked in: vxlan
| [   89.534046][ T1066] Tainted: [W]=WARN
[   89.534302][ T1066] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 89.534698][ T1066] 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) 
[ 89.535052][ T1066] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   89.536228][ T1066] RSP: 0018:ffffc900022c6ef0 EFLAGS: 00010246
[   89.536648][ T1066] RAX: 0000000000000000 RBX: ffff8880095ca000 RCX: 0000000000000001
[   89.537126][ T1066] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[   89.537605][ T1066] RBP: ffffc900022c6fd8 R08: 0000000000000000 R09: 0000000000000000
[   89.538093][ T1066] R10: ffffc900022c7008 R11: ffffffffa5eceab8 R12: 1ffff92000458de2
[   89.538569][ T1066] R13: 0000000000000596 R14: ffffc900022c7008 R15: ffff8880095caf48
[   89.539044][ T1066] FS:  00007ff9f94b3800(0000) GS:ffff8880c5f19000(0000) knlGS:0000000000000000
[   89.539609][ T1066] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.540019][ T1066] CR2: 00000000004e6898 CR3: 000000000e3c5001 CR4: 0000000000772ef0
[   89.540519][ T1066] PKRU: 55555554
[   89.540766][ T1066] Call Trace:
[   89.540996][ T1066]  <TASK>
[ 89.541165][ T1066] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 89.541494][ T1066] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 89.541837][ T1066] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 89.542232][ T1066] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 89.542578][ T1066] netif_set_mtu (net/core/dev.c:9652) 
[ 89.542914][ T1066] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 89.543240][ T1066] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 89.543642][ T1066] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 89.543885][ T1066] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 89.544196][ T1066] br_add_if (net/bridge/br_if.c:697) 
[ 89.544448][ T1066] do_set_master (net/core/rtnetlink.c:2948) 
[ 89.544840][ T1066] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 89.545167][ T1066] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 89.545492][ T1066] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 89.545988][ T1066] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 89.546286][ T1066] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 89.546595][ T1066] ? __kernel_text_address (kernel/extable.c:79) 
[ 89.546915][ T1066] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.547219][ T1066] ? __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) 
[ 89.547524][ T1066] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 89.547931][ T1066] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 89.548231][ T1066] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 89.548525][ T1066] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 89.548863][ T1066] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 89.549177][ T1066] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.549479][ T1066] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 89.549805][ T1066] ? __create_object (mm/kmemleak.c:771) 
[ 89.550110][ T1066] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 89.550406][ T1066] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 89.550731][ T1066] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 89.551107][ T1066] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 89.551414][ T1066] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 89.551750][ T1066] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 89.552050][ T1066] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.552355][ T1066] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.552659][ T1066] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 89.552971][ T1066] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 89.553272][ T1066] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 89.553568][ T1066] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 89.553893][ T1066] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 89.554203][ T1066] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.554506][ T1066] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 89.554845][ T1066] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 89.555148][ T1066] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 89.555470][ T1066] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 89.555787][ T1066] ? 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) 
[ 89.556089][ T1066] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 89.556398][ T1066] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 89.556708][ T1066] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.557024][ T1066] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 89.557325][ T1066] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 89.557621][ T1066] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 89.557953][ T1066] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 89.558258][ T1066] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 89.558561][ T1066] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 89.558966][ T1066] ___sys_sendmsg (net/socket.c:2670) 
[ 89.559268][ T1066] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 89.559563][ T1066] ? __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) 
[ 89.559964][ T1066] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 89.560267][ T1066] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.560570][ T1066] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.560918][ T1066] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.561220][ T1066] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 89.561517][ T1066] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 89.561841][ T1066] __sys_sendmsg (net/socket.c:2700) 
[ 89.562155][ T1066] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 89.562525][ T1066] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 89.562846][ T1066] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 89.563169][ T1066] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 89.563472][ T1066] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   89.563849][ T1066] RIP: 0033:0x7ff9f96801e7
[ 89.564169][ T1066] 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)
[   89.565275][ T1066] RSP: 002b:00007ffe479d50b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   89.565751][ T1066] RAX: ffffffffffffffda RBX: 00007ffe479d57f0 RCX: 00007ff9f96801e7
[   89.566197][ T1066] RDX: 0000000000000000 RSI: 00007ffe479d5120 RDI: 0000000000000005
[   89.566640][ T1066] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   89.567093][ T1066] R10: 000000000e1b5910 R11: 0000000000000246 R12: 0000000000000003
[   89.567542][ T1066] R13: 00000000686e1c39 R14: 0000000000499600 R15: 0000000000000000
| [   93.301937][ T1117] ------------[ cut here ]------------
| [ 93.302243][ T1117] WARNING: CPU: 3 PID: 1117 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   93.302873][ T1117] Modules linked in: vxlan
| [   93.303824][ T1117] Tainted: [W]=WARN
[   93.304069][ T1117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.304462][ T1117] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 93.304791][ T1117] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   93.305931][ T1117] RSP: 0018:ffffc900023b6ef0 EFLAGS: 00010246
[   93.306322][ T1117] RAX: 0000000000000000 RBX: ffff888009d9a000 RCX: 0000000000000001
[   93.306795][ T1117] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[   93.307268][ T1117] RBP: ffffc900023b6fd8 R08: 0000000000000000 R09: 0000000000000000
[   93.307743][ T1117] R10: ffffc900023b7008 R11: ffffffffa558d1e0 R12: 1ffff92000476de2
[   93.308203][ T1117] R13: 00000000000005dc R14: ffffc900023b7008 R15: ffff888009d9af48
[   93.308662][ T1117] FS:  00007f520c923800(0000) GS:ffff8880c5f19000(0000) knlGS:0000000000000000
[   93.309209][ T1117] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.309596][ T1117] CR2: 00000000004e6890 CR3: 000000000e202005 CR4: 0000000000772ef0
[   93.310083][ T1117] PKRU: 55555554
[   93.310338][ T1117] Call Trace:
[   93.310569][ T1117]  <TASK>
[ 93.310744][ T1117] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 93.311055][ T1117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.311375][ T1117] netif_set_mtu (net/core/dev.c:9652) 
[ 93.311692][ T1117] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 93.312015][ T1117] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 93.312251][ T1117] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 93.312566][ T1117] br_add_if (net/bridge/br_if.c:697) 
[ 93.312820][ T1117] do_set_master (net/core/rtnetlink.c:2948) 
[ 93.313127][ T1117] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 93.313451][ T1117] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 93.313774][ T1117] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 93.314162][ T1117] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 93.314466][ T1117] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 93.314781][ T1117] ? __kernel_text_address (kernel/extable.c:79) 
[ 93.315093][ T1117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.315420][ T1117] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 93.315742][ T1117] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 93.316122][ T1117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 93.316430][ T1117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 93.316745][ T1117] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 93.317053][ T1117] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 93.317361][ T1117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.317671][ T1117] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 93.317994][ T1117] ? __create_object (mm/kmemleak.c:771) 
[ 93.318304][ T1117] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 93.318612][ T1117] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 93.318928][ T1117] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 93.319313][ T1117] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 93.319626][ T1117] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 93.319950][ T1117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 93.320266][ T1117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.320580][ T1117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.320903][ T1117] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 93.321211][ T1117] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 93.321520][ T1117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 93.321837][ T1117] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 93.322146][ T1117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 93.322457][ T1117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.322787][ T1117] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 93.323095][ T1117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 93.323404][ T1117] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 93.323730][ T1117] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 93.324038][ T1117] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 93.324349][ T1117] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 93.324659][ T1117] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 93.324987][ T1117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.325308][ T1117] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 93.325623][ T1117] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 93.325941][ T1117] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 93.326258][ T1117] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 93.326567][ T1117] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 93.326885][ T1117] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 93.327286][ T1117] ___sys_sendmsg (net/socket.c:2670) 
[ 93.327597][ T1117] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 93.327915][ T1117] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 93.328300][ T1117] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 93.328608][ T1117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.328930][ T1117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.329246][ T1117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.329566][ T1117] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 93.329888][ T1117] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 93.330203][ T1117] __sys_sendmsg (net/socket.c:2700) 
[ 93.330505][ T1117] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 93.330895][ T1117] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 93.331214][ T1117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 93.331521][ T1117] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 93.331838][ T1117] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   93.332226][ T1117] RIP: 0033:0x7f520caf01e7
[ 93.332544][ T1117] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   93.333639][ T1117] RSP: 002b:00007ffd45c21728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   93.334117][ T1117] RAX: ffffffffffffffda RBX: 00007ffd45c21e60 RCX: 00007f520caf01e7
[   93.334575][ T1117] RDX: 0000000000000000 RSI: 00007ffd45c21790 RDI: 0000000000000005
[   93.335041][ T1117] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   93.335505][ T1117] R10: 0000000033f37910 R11: 0000000000000246 R12: 0000000000000003
[   93.336005][ T1117] R13: 00000000686e1c3c R14: 0000000000499600 R15: 0000000000000000
| [   94.949037][ T1143] ------------[ cut here ]------------
| [ 94.949373][ T1143] WARNING: CPU: 0 PID: 1143 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) 
| [   94.950003][ T1143] Modules linked in: vxlan
| [   94.950976][ T1143] Tainted: [W]=WARN
[   94.951217][ T1143] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 94.951607][ T1143] 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) 
[ 94.951947][ T1143] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   94.953073][ T1143] RSP: 0018:ffffc900024d6ef0 EFLAGS: 00010246
[   94.953466][ T1143] RAX: 0000000000000000 RBX: ffff888009d9a000 RCX: 0000000000000001
[   94.953941][ T1143] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[   94.954404][ T1143] RBP: ffffc900024d6fd8 R08: 0000000000000000 R09: 0000000000000000
[   94.954876][ T1143] R10: ffffc900024d7008 R11: ffffffffa558d1e0 R12: 1ffff9200049ade2
[   94.955368][ T1143] R13: 00000000000005aa R14: ffffc900024d7008 R15: ffff888009d9af48
[   94.955856][ T1143] FS:  00007fd419776800(0000) GS:ffff8880c5d99000(0000) knlGS:0000000000000000
[   94.956403][ T1143] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.957019][ T1143] CR2: 00000000004e6890 CR3: 000000000bbca002 CR4: 0000000000772ef0
[   94.957496][ T1143] PKRU: 55555554
[   94.957873][ T1143] Call Trace:
[   94.958108][ T1143]  <TASK>
[ 94.958268][ T1143] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 94.958579][ T1143] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.959042][ T1143] netif_set_mtu (net/core/dev.c:9652) 
[ 94.959355][ T1143] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 94.959752][ T1143] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 94.960003][ T1143] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 94.960327][ T1143] br_add_if (net/bridge/br_if.c:697) 
[ 94.960572][ T1143] do_set_master (net/core/rtnetlink.c:2948) 
[ 94.960909][ T1143] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 94.961227][ T1143] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 94.961544][ T1143] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 94.961958][ T1143] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 94.962275][ T1143] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 94.962595][ T1143] ? __kernel_text_address (kernel/extable.c:79) 
[ 94.962934][ T1143] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.963249][ T1143] ? __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) 
[ 94.963565][ T1143] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 94.964007][ T1143] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 94.964328][ T1143] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 94.964641][ T1143] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 94.964988][ T1143] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 94.965315][ T1143] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.965628][ T1143] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 94.965968][ T1143] ? __create_object (mm/kmemleak.c:771) 
[ 94.966290][ T1143] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 94.966604][ T1143] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 94.966951][ T1143] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 94.967350][ T1143] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 94.967670][ T1143] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 94.968035][ T1143] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 94.968348][ T1143] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.968668][ T1143] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.969016][ T1143] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 94.969324][ T1143] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 94.969638][ T1143] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 94.969982][ T1143] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 94.970302][ T1143] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 94.970602][ T1143] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.970924][ T1143] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 94.971223][ T1143] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 94.971518][ T1143] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 94.971853][ T1143] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 94.972173][ T1143] ? 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) 
[ 94.972482][ T1143] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 94.972789][ T1143] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 94.973105][ T1143] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.973412][ T1143] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 94.973727][ T1143] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 94.974048][ T1143] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 94.974349][ T1143] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 94.974655][ T1143] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 94.974994][ T1143] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 94.975401][ T1143] ___sys_sendmsg (net/socket.c:2670) 
[ 94.975724][ T1143] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 94.976075][ T1143] ? __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) 
[ 94.976470][ T1143] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 94.976807][ T1143] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.977139][ T1143] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.977454][ T1143] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.977773][ T1143] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 94.978103][ T1143] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 94.978423][ T1143] __sys_sendmsg (net/socket.c:2700) 
[ 94.978740][ T1143] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 94.979141][ T1143] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 94.979470][ T1143] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 94.979805][ T1143] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 94.980141][ T1143] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   94.980529][ T1143] RIP: 0033:0x7fd4199431e7
[ 94.980852][ T1143] 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)
[   94.981961][ T1143] RSP: 002b:00007ffe9cbac998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   94.982423][ T1143] RAX: ffffffffffffffda RBX: 00007ffe9cbad0d0 RCX: 00007fd4199431e7
[   94.982872][ T1143] RDX: 0000000000000000 RSI: 00007ffe9cbaca00 RDI: 0000000000000005
[   94.983329][ T1143] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   94.983805][ T1143] R10: 00000000202f2910 R11: 0000000000000246 R12: 0000000000000003
[   94.984266][ T1143] R13: 00000000686e1c3e R14: 0000000000499600 R15: 0000000000000000
| [   98.935523][ T1194] ------------[ cut here ]------------
| [ 98.935845][ T1194] WARNING: CPU: 0 PID: 1194 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) 
| [   98.936435][ T1194] Modules linked in: vxlan
| [   98.937343][ T1194] Tainted: [W]=WARN
[   98.937565][ T1194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.937943][ T1194] 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) 
[ 98.938248][ T1194] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   98.939317][ T1194] RSP: 0018:ffffc90002646ef0 EFLAGS: 00010246
[   98.939702][ T1194] RAX: 0000000000000000 RBX: ffff8880106ca000 RCX: 0000000000000001
[   98.940148][ T1194] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[   98.940599][ T1194] RBP: ffffc90002646fd8 R08: 0000000000000000 R09: 0000000000000000
[   98.941048][ T1194] R10: ffffc90002647008 R11: ffffffffa558d1e0 R12: 1ffff920004c8de2
[   98.941495][ T1194] R13: 00000000000005dc R14: ffffc90002647008 R15: ffff8880106caf48
[   98.941945][ T1194] FS:  00007fe5100f1800(0000) GS:ffff8880c5d99000(0000) knlGS:0000000000000000
[   98.942472][ T1194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.942852][ T1194] CR2: 00000000004e6898 CR3: 00000000122e0002 CR4: 0000000000772ef0
[   98.943315][ T1194] PKRU: 55555554
[   98.943535][ T1194] Call Trace:
[   98.943762][ T1194]  <TASK>
[ 98.943915][ T1194] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 98.944213][ T1194] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.944519][ T1194] netif_set_mtu (net/core/dev.c:9652) 
[ 98.944821][ T1194] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 98.945131][ T1194] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 98.945366][ T1194] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 98.945680][ T1194] br_add_if (net/bridge/br_if.c:697) 
[ 98.945913][ T1194] do_set_master (net/core/rtnetlink.c:2948) 
[ 98.946206][ T1194] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 98.946505][ T1194] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 98.946815][ T1194] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 98.947191][ T1194] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 98.947486][ T1194] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 98.947789][ T1194] ? __kernel_text_address (kernel/extable.c:79) 
[ 98.948086][ T1194] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.948384][ T1194] ? __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) 
[ 98.948690][ T1194] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 98.949054][ T1194] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 98.949349][ T1194] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 98.949642][ T1194] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 98.949953][ T1194] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 98.950249][ T1194] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 98.950543][ T1194] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 98.950843][ T1194] ? __create_object (mm/kmemleak.c:771) 
[ 98.951142][ T1194] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 98.951440][ T1194] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 98.951745][ T1194] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 98.952116][ T1194] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 98.952415][ T1194] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 98.952724][ T1194] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 98.953018][ T1194] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.953320][ T1194] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 98.953617][ T1194] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 98.953919][ T1194] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 98.954216][ T1194] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 98.954519][ T1194] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 98.954828][ T1194] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 98.955128][ T1194] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.955440][ T1194] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 98.955743][ T1194] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 98.956038][ T1194] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 98.956340][ T1194] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 98.956639][ T1194] ? 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) 
[ 98.956941][ T1194] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 98.957236][ T1194] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 98.957526][ T1194] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.957836][ T1194] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 98.958136][ T1194] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 98.958429][ T1194] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 98.958742][ T1194] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 98.959042][ T1194] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 98.959336][ T1194] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 98.959721][ T1194] ___sys_sendmsg (net/socket.c:2670) 
[ 98.960013][ T1194] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 98.960303][ T1194] ? __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) 
[ 98.960667][ T1194] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 98.960977][ T1194] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 98.961271][ T1194] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.961572][ T1194] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 98.961874][ T1194] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 98.962203][ T1194] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 98.962504][ T1194] __sys_sendmsg (net/socket.c:2700) 
[ 98.962807][ T1194] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 98.963173][ T1194] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 98.963487][ T1194] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 98.963789][ T1194] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 98.964089][ T1194] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   98.964452][ T1194] RIP: 0033:0x7fe5102be1e7
[ 98.964764][ T1194] 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)
[   98.965842][ T1194] RSP: 002b:00007ffd0ca7bfa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   98.966288][ T1194] RAX: ffffffffffffffda RBX: 00007ffd0ca7c6e0 RCX: 00007fe5102be1e7
[   98.966736][ T1194] RDX: 0000000000000000 RSI: 00007ffd0ca7c010 RDI: 0000000000000005
[   98.967180][ T1194] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   98.967624][ T1194] R10: 0000000027ca1910 R11: 0000000000000246 R12: 0000000000000003
[   98.968071][ T1194] R13: 00000000686e1c42 R14: 0000000000499600 R15: 0000000000000000
| [  100.627017][ T1220] ------------[ cut here ]------------
| [ 100.627323][ T1220] WARNING: CPU: 3 PID: 1220 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) 
| [  100.627919][ T1220] Modules linked in: vxlan
| [  100.628841][ T1220] Tainted: [W]=WARN
[  100.629064][ T1220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 100.629432][ T1220] 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) 
[ 100.629748][ T1220] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  100.630826][ T1220] RSP: 0018:ffffc900026a6ef0 EFLAGS: 00010246
[  100.631199][ T1220] RAX: 0000000000000000 RBX: ffff8880106ca000 RCX: 0000000000000001
[  100.631638][ T1220] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  100.632088][ T1220] RBP: ffffc900026a6fd8 R08: 0000000000000000 R09: 0000000000000000
[  100.632535][ T1220] R10: ffffc900026a7008 R11: ffffffffa558d1e0 R12: 1ffff920004d4de2
[  100.632986][ T1220] R13: 0000000000000596 R14: ffffc900026a7008 R15: ffff8880106caf48
[  100.633427][ T1220] FS:  00007fd020191800(0000) GS:ffff8880c5f19000(0000) knlGS:0000000000000000
[  100.633957][ T1220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.634338][ T1220] CR2: 00000000004e6898 CR3: 000000001224a003 CR4: 0000000000772ef0
[  100.634791][ T1220] PKRU: 55555554
[  100.635010][ T1220] Call Trace:
[  100.635238][ T1220]  <TASK>
[ 100.635394][ T1220] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 100.635701][ T1220] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 100.636011][ T1220] netif_set_mtu (net/core/dev.c:9652) 
[ 100.636306][ T1220] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 100.636621][ T1220] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 100.636857][ T1220] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 100.637157][ T1220] br_add_if (net/bridge/br_if.c:697) 
[ 100.637390][ T1220] do_set_master (net/core/rtnetlink.c:2948) 
[ 100.637701][ T1220] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 100.638006][ T1220] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 100.638305][ T1220] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 100.638698][ T1220] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 100.638999][ T1220] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 100.639292][ T1220] ? __kernel_text_address (kernel/extable.c:79) 
[ 100.639588][ T1220] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 100.639918][ T1220] ? __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) 
[ 100.640216][ T1220] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 100.640582][ T1220] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 100.640896][ T1220] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 100.641189][ T1220] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 100.641482][ T1220] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 100.641786][ T1220] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 100.642080][ T1220] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 100.642370][ T1220] ? __create_object (mm/kmemleak.c:771) 
[ 100.642668][ T1220] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 100.642992][ T1220] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 100.643306][ T1220] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 100.643699][ T1220] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 100.644019][ T1220] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 100.644332][ T1220] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 100.644640][ T1220] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 100.644965][ T1220] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 100.645290][ T1220] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 100.645594][ T1220] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 100.645921][ T1220] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 100.646229][ T1220] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 100.646537][ T1220] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 100.646859][ T1220] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 100.647178][ T1220] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 100.647488][ T1220] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 100.647807][ T1220] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 100.648139][ T1220] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 100.648444][ T1220] ? 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) 
[ 100.648761][ T1220] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 100.649076][ T1220] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 100.649386][ T1220] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 100.649712][ T1220] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 100.650027][ T1220] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 100.650349][ T1220] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 100.650665][ T1220] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 100.650975][ T1220] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 100.651268][ T1220] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 100.651657][ T1220] ___sys_sendmsg (net/socket.c:2670) 
[ 100.651974][ T1220] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 100.652282][ T1220] ? __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) 
[ 100.652692][ T1220] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 100.653006][ T1220] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 100.653313][ T1220] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 100.653632][ T1220] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 100.653940][ T1220] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 100.654237][ T1220] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 100.654556][ T1220] __sys_sendmsg (net/socket.c:2700) 
[ 100.654873][ T1220] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 100.655269][ T1220] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 100.655594][ T1220] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 100.655916][ T1220] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 100.656225][ T1220] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  100.656610][ T1220] RIP: 0033:0x7fd02035e1e7
[ 100.656944][ T1220] 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)
[  100.658063][ T1220] RSP: 002b:00007ffd0f034478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  100.658530][ T1220] RAX: ffffffffffffffda RBX: 00007ffd0f034bb0 RCX: 00007fd02035e1e7
[  100.658993][ T1220] RDX: 0000000000000000 RSI: 00007ffd0f0344e0 RDI: 0000000000000005
[  100.659444][ T1220] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  100.659914][ T1220] R10: 000000003e462910 R11: 0000000000000246 R12: 0000000000000003
[  100.660377][ T1220] R13: 00000000686e1c44 R14: 0000000000499600 R15: 0000000000000000
| [  105.436921][   T67] ------------[ cut here ]------------
| [ 105.437258][ T67] WARNING: CPU: 0 PID: 67 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) 
| [  105.437830][   T67] Modules linked in: vxlan
| [  105.438899][   T67] Tainted: [W]=WARN
[  105.439144][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.439550][   T67] Workqueue: netns cleanup_net
[ 105.439909][ T67] 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) 
[ 105.440251][ T67] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  105.441427][   T67] RSP: 0018:ffffc90000487360 EFLAGS: 00010246
[  105.441849][   T67] RAX: 0000000000000000 RBX: ffff8880106ca000 RCX: 0000000000000001
[  105.442355][   T67] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  105.442851][   T67] RBP: ffffc90000487450 R08: 0000000000000000 R09: 0000000000000000
[  105.443337][   T67] R10: ffffc90000487480 R11: ffffffffa558d1e0 R12: 1ffff92000090e70
[  105.443837][   T67] R13: 00000000000005dc R14: ffffc90000487480 R15: ffff8880106caf48
[  105.444332][   T67] FS:  0000000000000000(0000) GS:ffff8880c5d99000(0000) knlGS:0000000000000000
[  105.444907][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.445329][   T67] CR2: 00007f1b88263000 CR3: 000000002554a001 CR4: 0000000000772ef0
[  105.445836][   T67] PKRU: 55555554
[  105.446077][   T67] Call Trace:
[  105.446324][   T67]  <TASK>
[ 105.446491][ T67] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 105.446827][ T67] ? __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) 
[ 105.447231][ T67] ? br_del_if (net/bridge/br_if.c:742) 
[ 105.447477][ T67] ? br_device_event (net/bridge/br.c:141) 
[ 105.447812][ T67] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 105.448132][ T67] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 105.448463][ T67] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 105.448887][ T67] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 105.449294][ T67] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 105.449603][ T67] ? cleanup_net (net/core/net_namespace.c:684) 
[ 105.449918][ T67] ? process_one_work (kernel/workqueue.c:3238) 
[ 105.450226][ T67] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 105.450531][ T67] ? kthread (kernel/kthread.c:464) 
[ 105.450772][ T67] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 105.451092][ T67] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 105.451416][ T67] netif_set_mtu (net/core/dev.c:9652) 
[ 105.451733][ T67] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 105.452059][ T67] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 105.452293][ T67] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 105.452609][ T67] br_del_if (net/bridge/br_if.c:743) 
[ 105.452857][ T67] br_device_event (net/bridge/br.c:141) 
[ 105.453165][ T67] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 105.453485][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 105.453806][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 105.454196][ T67] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 105.454601][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 105.455000][ T67] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 105.455348][ T67] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 105.455764][ T67] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 105.456169][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 105.456483][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 105.456889][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 105.457199][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 105.457583][ T67] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 105.457979][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 105.458361][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 105.458761][ T67] default_device_exit_batch (net/core/dev.c:12673) 
[ 105.459070][ T67] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 105.459461][ T67] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 105.459784][ T67] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 105.460105][ T67] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 105.460423][ T67] cleanup_net (net/core/net_namespace.c:684) 
[ 105.460743][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 105.461053][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 105.461368][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 105.461695][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 105.462009][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 105.462316][ T67] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 105.462634][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 105.462958][ T67] kthread (kernel/kthread.c:464) 
[ 105.463190][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 105.463490][ T67] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 105.463802][ T67] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 105.464111][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 105.464420][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 105.464735][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 105.465040][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 105.465388][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  105.492106][   T67] ------------[ cut here ]------------
| [ 105.492465][ T67] WARNING: CPU: 0 PID: 67 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) 
| [  105.493011][   T67] Modules linked in: vxlan
| [  105.494042][   T67] Tainted: [W]=WARN
[  105.494275][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.494655][   T67] Workqueue: netns cleanup_net
[ 105.494997][ T67] 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) 
[ 105.495326][ T67] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  105.496494][   T67] RSP: 0018:ffffc90000487360 EFLAGS: 00010246
[  105.496912][   T67] RAX: 0000000000000000 RBX: ffff888009d9a000 RCX: 0000000000000001
[  105.497397][   T67] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  105.497862][   T67] RBP: ffffc90000487450 R08: 0000000000000000 R09: 0000000000000000
[  105.498321][   T67] R10: ffffc90000487480 R11: ffffffffa558d1e0 R12: 1ffff92000090e70
[  105.498980][   T67] R13: 00000000000005dc R14: ffffc90000487480 R15: ffff888009d9af48
[  105.499446][   T67] FS:  0000000000000000(0000) GS:ffff8880c5d99000(0000) knlGS:0000000000000000
[  105.500310][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.500844][   T67] CR2: 00007f1b88263000 CR3: 000000002554a001 CR4: 0000000000772ef0
[  105.501312][   T67] PKRU: 55555554
[  105.501542][   T67] Call Trace:
[  105.501952][   T67]  <TASK>
[ 105.502114][ T67] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 105.502467][ T67] ? __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) 
[ 105.502886][ T67] ? br_del_if (net/bridge/br_if.c:742) 
[ 105.503118][ T67] ? br_device_event (net/bridge/br.c:141) 
[ 105.503428][ T67] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 105.503750][ T67] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 105.504061][ T67] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 105.504446][ T67] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 105.504833][ T67] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 105.505138][ T67] ? cleanup_net (net/core/net_namespace.c:684) 
[ 105.505526][ T67] ? process_one_work (kernel/workqueue.c:3238) 
[ 105.505845][ T67] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 105.506148][ T67] ? kthread (kernel/kthread.c:464) 
[ 105.506375][ T67] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 105.506690][ T67] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 105.507013][ T67] netif_set_mtu (net/core/dev.c:9652) 
[ 105.507319][ T67] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 105.507652][ T67] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 105.507899][ T67] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 105.508210][ T67] br_del_if (net/bridge/br_if.c:743) 
[ 105.508446][ T67] br_device_event (net/bridge/br.c:141) 
[ 105.508762][ T67] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 105.509078][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 105.509398][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 105.509796][ T67] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 105.510196][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 105.510586][ T67] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 105.510922][ T67] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 105.511317][ T67] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 105.511729][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 105.512044][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 105.512445][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 105.512763][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 105.513178][ T67] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 105.513556][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 105.513955][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 105.514360][ T67] default_device_exit_batch (net/core/dev.c:12673) 
[ 105.514685][ T67] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 105.515078][ T67] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 105.515432][ T67] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 105.515754][ T67] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 105.516072][ T67] cleanup_net (net/core/net_namespace.c:684) 
[ 105.516385][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 105.516720][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 105.517063][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 105.517391][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 105.517716][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 105.518028][ T67] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 105.518345][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 105.518662][ T67] kthread (kernel/kthread.c:464) 
[ 105.518915][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 105.519223][ T67] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 105.519538][ T67] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 105.519868][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 105.520176][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 105.520484][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 105.520800][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 105.521108][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  127.347284][ T1461] ------------[ cut here ]------------
| [ 127.347577][ T1461] WARNING: CPU: 3 PID: 1461 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) 
| [  127.348810][ T1461] Modules linked in: vxlan
| [  127.349748][ T1461] Tainted: [W]=WARN
[  127.349972][ T1461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 127.350375][ T1461] 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) 
[ 127.350694][ T1461] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  127.351765][ T1461] RSP: 0018:ffffc900030f6ef0 EFLAGS: 00010246
[  127.352144][ T1461] RAX: 0000000000000000 RBX: ffff88800f14a000 RCX: 0000000000000001
[  127.352596][ T1461] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  127.353048][ T1461] RBP: ffffc900030f6fd8 R08: 0000000000000000 R09: 0000000000000000
[  127.353490][ T1461] R10: ffffc900030f7008 R11: ffffffffa558d1e0 R12: 1ffff9200061ede2
[  127.353938][ T1461] R13: 00000000000005dc R14: ffffc900030f7008 R15: ffff88800f14af48
[  127.354414][ T1461] FS:  00007fdc55ed6800(0000) GS:ffff8880c5f19000(0000) knlGS:0000000000000000
[  127.354949][ T1461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  127.355337][ T1461] CR2: 00000000004e6890 CR3: 00000000051e8003 CR4: 0000000000772ef0
[  127.355793][ T1461] PKRU: 55555554
[  127.356018][ T1461] Call Trace:
[  127.356238][ T1461]  <TASK>
[ 127.356391][ T1461] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 127.356713][ T1461] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.357029][ T1461] netif_set_mtu (net/core/dev.c:9652) 
[ 127.357331][ T1461] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 127.357646][ T1461] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 127.357880][ T1461] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 127.358182][ T1461] br_add_if (net/bridge/br_if.c:697) 
[ 127.358415][ T1461] do_set_master (net/core/rtnetlink.c:2948) 
[ 127.358716][ T1461] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 127.359016][ T1461] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 127.359422][ T1461] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 127.359836][ T1461] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 127.360149][ T1461] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 127.360460][ T1461] ? __kernel_text_address (kernel/extable.c:79) 
[ 127.360782][ T1461] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.361095][ T1461] ? __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) 
[ 127.361408][ T1461] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 127.361810][ T1461] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 127.362124][ T1461] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 127.362432][ T1461] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 127.362753][ T1461] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 127.363066][ T1461] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.363393][ T1461] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 127.363920][ T1461] ? __create_object (mm/kmemleak.c:771) 
[ 127.364440][ T1461] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 127.364980][ T1461] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 127.365515][ T1461] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 127.366157][ T1461] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 127.366706][ T1461] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 127.367227][ T1461] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 127.367769][ T1461] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.368303][ T1461] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.368872][ T1461] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 127.369388][ T1461] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 127.369904][ T1461] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 127.370423][ T1461] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 127.370965][ T1461] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 127.371464][ T1461] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.372007][ T1461] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 127.372534][ T1461] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 127.373094][ T1461] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 127.373646][ T1461] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 127.374192][ T1461] ? 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) 
[ 127.374732][ T1461] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 127.375274][ T1461] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 127.375822][ T1461] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.376371][ T1461] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 127.376926][ T1461] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 127.377450][ T1461] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 127.377988][ T1461] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 127.378445][ T1461] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 127.378753][ T1461] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 127.379151][ T1461] ___sys_sendmsg (net/socket.c:2670) 
[ 127.379668][ T1461] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 127.380012][ T1461] ? __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) 
[ 127.380400][ T1461] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 127.380711][ T1461] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.381012][ T1461] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.381318][ T1461] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.381615][ T1461] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 127.381918][ T1461] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 127.382258][ T1461] __sys_sendmsg (net/socket.c:2700) 
[ 127.382562][ T1461] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 127.383199][ T1461] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 127.383784][ T1461] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 127.384321][ T1461] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 127.384870][ T1461] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  127.385526][ T1461] RIP: 0033:0x7fdc560a31e7
[ 127.386091][ T1461] 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)
[  127.387644][ T1461] RSP: 002b:00007fffbf4f0538 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  127.388100][ T1461] RAX: ffffffffffffffda RBX: 00007fffbf4f0c70 RCX: 00007fdc560a31e7
[  127.388560][ T1461] RDX: 0000000000000000 RSI: 00007fffbf4f05a0 RDI: 0000000000000005
[  127.389011][ T1461] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  127.389459][ T1461] R10: 00000000363e7910 R11: 0000000000000246 R12: 0000000000000003
[  127.389917][ T1461] R13: 00000000686e1c5e R14: 0000000000499600 R15: 0000000000000000
| [  129.026944][ T1487] ------------[ cut here ]------------
| [ 129.027237][ T1487] WARNING: CPU: 0 PID: 1487 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) 
| [  129.027825][ T1487] Modules linked in: vxlan
| [  129.028771][ T1487] Tainted: [W]=WARN
[  129.029005][ T1487] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 129.029375][ T1487] 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) 
[ 129.029686][ T1487] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  129.030746][ T1487] RSP: 0018:ffffc900031b6ef0 EFLAGS: 00010246
[  129.031129][ T1487] RAX: 0000000000000000 RBX: ffff88800f14a000 RCX: 0000000000000001
[  129.031584][ T1487] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  129.032049][ T1487] RBP: ffffc900031b6fd8 R08: 0000000000000000 R09: 0000000000000000
[  129.032522][ T1487] R10: ffffc900031b7008 R11: ffffffffa5eceab8 R12: 1ffff92000636de2
[  129.032983][ T1487] R13: 00000000000005aa R14: ffffc900031b7008 R15: ffff88800f14af48
[  129.033425][ T1487] FS:  00007f7be4e01800(0000) GS:ffff8880c5d99000(0000) knlGS:0000000000000000
[  129.033947][ T1487] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  129.034329][ T1487] CR2: 00000000004e6890 CR3: 000000000527f002 CR4: 0000000000772ef0
[  129.034778][ T1487] PKRU: 55555554
[  129.035009][ T1487] Call Trace:
[  129.035234][ T1487]  <TASK>
[ 129.035398][ T1487] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 129.035707][ T1487] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 129.036006][ T1487] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 129.036370][ T1487] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 129.036668][ T1487] netif_set_mtu (net/core/dev.c:9652) 
[ 129.036974][ T1487] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 129.037313][ T1487] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 129.037696][ T1487] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 129.037922][ T1487] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 129.038223][ T1487] br_add_if (net/bridge/br_if.c:697) 
[ 129.038490][ T1487] do_set_master (net/core/rtnetlink.c:2948) 
[ 129.038796][ T1487] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 129.039097][ T1487] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 129.039409][ T1487] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 129.039791][ T1487] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 129.040091][ T1487] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 129.040384][ T1487] ? __kernel_text_address (kernel/extable.c:79) 
[ 129.040689][ T1487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.040988][ T1487] ? __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) 
[ 129.041318][ T1487] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 129.041702][ T1487] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.041999][ T1487] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.042309][ T1487] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 129.042605][ T1487] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 129.042909][ T1487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.043206][ T1487] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 129.043500][ T1487] ? __create_object (mm/kmemleak.c:771) 
[ 129.043808][ T1487] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 129.044111][ T1487] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 129.044407][ T1487] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 129.044780][ T1487] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 129.045094][ T1487] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 129.045474][ T1487] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 129.045787][ T1487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.046092][ T1487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.046397][ T1487] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 129.046699][ T1487] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 129.046996][ T1487] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 129.047318][ T1487] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 129.047614][ T1487] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 129.047929][ T1487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.048261][ T1487] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 129.048556][ T1487] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 129.048869][ T1487] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 129.049201][ T1487] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 129.049509][ T1487] ? 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) 
[ 129.049821][ T1487] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 129.050120][ T1487] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 129.050414][ T1487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.050721][ T1487] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 129.051030][ T1487] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 129.051324][ T1487] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 129.051625][ T1487] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 129.051930][ T1487] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 129.052223][ T1487] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 129.052601][ T1487] ___sys_sendmsg (net/socket.c:2670) 
[ 129.052901][ T1487] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 129.053230][ T1487] ? __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) 
[ 129.053599][ T1487] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 129.053909][ T1487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.054206][ T1487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.054506][ T1487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.054810][ T1487] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 129.055105][ T1487] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 129.055437][ T1487] __sys_sendmsg (net/socket.c:2700) 
[ 129.055740][ T1487] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 129.056105][ T1487] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 129.056413][ T1487] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.056716][ T1487] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 129.057014][ T1487] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  129.057415][ T1487] RIP: 0033:0x7f7be4fce1e7
[ 129.057742][ T1487] 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)
[  129.058799][ T1487] RSP: 002b:00007ffe6ddc2ee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  129.059243][ T1487] RAX: ffffffffffffffda RBX: 00007ffe6ddc3620 RCX: 00007f7be4fce1e7
[  129.059700][ T1487] RDX: 0000000000000000 RSI: 00007ffe6ddc2f50 RDI: 0000000000000005
[  129.060139][ T1487] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  129.060578][ T1487] R10: 0000000000d32910 R11: 0000000000000246 R12: 0000000000000003
[  129.061023][ T1487] R13: 00000000686e1c60 R14: 0000000000499600 R15: 0000000000000000
| [  132.876031][ T1537] ------------[ cut here ]------------
| [ 132.876364][ T1537] WARNING: CPU: 2 PID: 1537 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) 
| [  132.877034][ T1537] Modules linked in: vxlan
| [  132.877990][ T1537] Tainted: [W]=WARN
[  132.878239][ T1537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 132.878628][ T1537] 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) 
[ 132.878962][ T1537] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  132.880081][ T1537] RSP: 0018:ffffc90003356ef0 EFLAGS: 00010246
[  132.880479][ T1537] RAX: 0000000000000000 RBX: ffff88800c3ba000 RCX: 0000000000000001
[  132.880958][ T1537] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  132.881424][ T1537] RBP: ffffc90003356fd8 R08: 0000000000000000 R09: 0000000000000000
[  132.881906][ T1537] R10: ffffc90003357008 R11: ffffffffa558d1e0 R12: 1ffff9200066ade2
[  132.882377][ T1537] R13: 00000000000005dc R14: ffffc90003357008 R15: ffff88800c3baf48
[  132.882862][ T1537] FS:  00007f4d49447800(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[  132.883403][ T1537] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  132.883802][ T1537] CR2: 00000000004e6898 CR3: 000000000cc3a004 CR4: 0000000000772ef0
[  132.884268][ T1537] PKRU: 55555554
[  132.884515][ T1537] Call Trace:
[  132.884768][ T1537]  <TASK>
[ 132.884948][ T1537] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 132.885266][ T1537] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 132.885604][ T1537] netif_set_mtu (net/core/dev.c:9652) 
[ 132.885931][ T1537] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 132.886262][ T1537] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 132.886510][ T1537] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 132.886840][ T1537] br_add_if (net/bridge/br_if.c:697) 
[ 132.887094][ T1537] do_set_master (net/core/rtnetlink.c:2948) 
[ 132.887414][ T1537] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 132.887743][ T1537] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 132.888064][ T1537] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 132.888460][ T1537] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 132.888783][ T1537] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 132.889095][ T1537] ? __kernel_text_address (kernel/extable.c:79) 
[ 132.889413][ T1537] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 132.889749][ T1537] ? __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) 
[ 132.890064][ T1537] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 132.890449][ T1537] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 132.890781][ T1537] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 132.891094][ T1537] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 132.891406][ T1537] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 132.891729][ T1537] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 132.892052][ T1537] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 132.892363][ T1537] ? __create_object (mm/kmemleak.c:771) 
[ 132.892689][ T1537] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 132.893008][ T1537] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 132.893324][ T1537] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 132.893723][ T1537] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 132.894050][ T1537] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 132.894367][ T1537] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 132.894696][ T1537] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 132.895016][ T1537] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 132.895376][ T1537] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 132.895698][ T1537] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 132.896015][ T1537] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 132.896329][ T1537] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 132.896645][ T1537] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 132.896981][ T1537] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 132.897306][ T1537] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 132.897620][ T1537] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 132.897948][ T1537] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 132.898273][ T1537] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 132.898588][ T1537] ? 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) 
[ 132.898912][ T1537] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 132.899233][ T1537] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 132.899545][ T1537] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 132.899874][ T1537] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 132.900190][ T1537] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 132.900503][ T1537] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 132.900833][ T1537] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 132.901149][ T1537] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 132.901463][ T1537] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 132.901879][ T1537] ___sys_sendmsg (net/socket.c:2670) 
[ 132.902195][ T1537] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 132.902506][ T1537] ? __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) 
[ 132.902902][ T1537] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 132.903220][ T1537] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 132.903536][ T1537] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 132.903870][ T1537] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 132.904193][ T1537] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 132.904505][ T1537] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 132.904837][ T1537] __sys_sendmsg (net/socket.c:2700) 
[ 132.905148][ T1537] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 132.905544][ T1537] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 132.905880][ T1537] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 132.906203][ T1537] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 132.906525][ T1537] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  132.906921][ T1537] RIP: 0033:0x7f4d496141e7
[ 132.907245][ T1537] 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)
[  132.908327][ T1537] RSP: 002b:00007ffd9f8da4e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  132.908810][ T1537] RAX: ffffffffffffffda RBX: 00007ffd9f8dac20 RCX: 00007f4d496141e7
[  132.909274][ T1537] RDX: 0000000000000000 RSI: 00007ffd9f8da550 RDI: 0000000000000005
[  132.909745][ T1537] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  132.910206][ T1537] R10: 0000000005a42910 R11: 0000000000000246 R12: 0000000000000003
[  132.910671][ T1537] R13: 00000000686e1c64 R14: 0000000000499600 R15: 0000000000000000
| [  134.517991][ T1563] ------------[ cut here ]------------
| [ 134.518312][ T1563] WARNING: CPU: 3 PID: 1563 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) 
| [  134.519012][ T1563] Modules linked in: vxlan
| [  134.520027][ T1563] Tainted: [W]=WARN
[  134.520286][ T1563] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 134.520693][ T1563] 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) 
[ 134.521022][ T1563] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  134.522171][ T1563] RSP: 0018:ffffc900033c6ef0 EFLAGS: 00010246
[  134.522584][ T1563] RAX: 0000000000000000 RBX: ffff88800c3ba000 RCX: 0000000000000001
[  134.523070][ T1563] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  134.523546][ T1563] RBP: ffffc900033c6fd8 R08: 0000000000000000 R09: 0000000000000000
[  134.524030][ T1563] R10: ffffc900033c7008 R11: ffffffffa558d1e0 R12: 1ffff92000678de2
[  134.524518][ T1563] R13: 0000000000000596 R14: ffffc900033c7008 R15: ffff88800c3baf48
[  134.525004][ T1563] FS:  00007f9f82ad3800(0000) GS:ffff8880c5f19000(0000) knlGS:0000000000000000
[  134.525567][ T1563] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  134.525977][ T1563] CR2: 00000000004e6898 CR3: 000000000e702002 CR4: 0000000000772ef0
[  134.526452][ T1563] PKRU: 55555554
[  134.526704][ T1563] Call Trace:
[  134.526944][ T1563]  <TASK>
[ 134.527110][ T1563] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 134.527428][ T1563] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.527770][ T1563] netif_set_mtu (net/core/dev.c:9652) 
[ 134.528095][ T1563] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 134.528427][ T1563] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 134.528670][ T1563] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 134.529016][ T1563] br_add_if (net/bridge/br_if.c:697) 
[ 134.529268][ T1563] do_set_master (net/core/rtnetlink.c:2948) 
[ 134.529586][ T1563] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 134.529922][ T1563] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 134.530248][ T1563] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 134.530654][ T1563] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 134.530981][ T1563] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 134.531307][ T1563] ? __kernel_text_address (kernel/extable.c:79) 
[ 134.531628][ T1563] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.531968][ T1563] ? __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) 
[ 134.532289][ T1563] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 134.532696][ T1563] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 134.533017][ T1563] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 134.533336][ T1563] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 134.533658][ T1563] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 134.533995][ T1563] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 134.534316][ T1563] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 134.534633][ T1563] ? __create_object (mm/kmemleak.c:771) 
[ 134.534964][ T1563] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 134.535296][ T1563] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 134.535617][ T1563] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 134.536028][ T1563] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 134.536360][ T1563] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 134.536697][ T1563] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 134.537022][ T1563] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.537352][ T1563] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 134.537690][ T1563] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 134.538010][ T1563] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 134.538331][ T1563] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 134.538650][ T1563] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 134.538987][ T1563] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 134.539311][ T1563] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.539631][ T1563] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 134.539959][ T1563] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 134.540278][ T1563] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 134.540602][ T1563] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 134.540924][ T1563] ? 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) 
[ 134.541248][ T1563] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 134.541569][ T1563] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 134.541893][ T1563] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.542213][ T1563] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 134.542535][ T1563] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 134.542863][ T1563] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 134.543190][ T1563] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 134.543517][ T1563] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 134.543842][ T1563] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 134.544251][ T1563] ___sys_sendmsg (net/socket.c:2670) 
[ 134.544565][ T1563] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 134.544893][ T1563] ? __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) 
[ 134.545289][ T1563] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 134.545605][ T1563] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 134.545947][ T1563] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.546274][ T1563] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 134.546597][ T1563] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 134.546928][ T1563] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 134.547264][ T1563] __sys_sendmsg (net/socket.c:2700) 
[ 134.547580][ T1563] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 134.547990][ T1563] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 134.548328][ T1563] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 134.548654][ T1563] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 134.548988][ T1563] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  134.549387][ T1563] RIP: 0033:0x7f9f82ca01e7
[ 134.549730][ T1563] 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)
[  134.550897][ T1563] RSP: 002b:00007ffc6ec15cf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  134.551383][ T1563] RAX: ffffffffffffffda RBX: 00007ffc6ec16430 RCX: 00007f9f82ca01e7
[  134.551876][ T1563] RDX: 0000000000000000 RSI: 00007ffc6ec15d60 RDI: 0000000000000005
[  134.552357][ T1563] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  134.552850][ T1563] R10: 000000000e075910 R11: 0000000000000246 R12: 0000000000000003
[  134.553331][ T1563] R13: 00000000686e1c66 R14: 0000000000499600 R15: 0000000000000000
| [  138.376959][ T1613] ------------[ cut here ]------------
| [ 138.377331][ T1613] WARNING: CPU: 2 PID: 1613 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) 
| [  138.377982][ T1613] Modules linked in: vxlan
| [  138.378996][ T1613] Tainted: [W]=WARN
[  138.379249][ T1613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.379668][ T1613] 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) 
[ 138.380017][ T1613] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  138.381189][ T1613] RSP: 0018:ffffc900034d6ef0 EFLAGS: 00010246
[  138.381614][ T1613] RAX: 0000000000000000 RBX: ffff888009bca000 RCX: 0000000000000001
[  138.382108][ T1613] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  138.382609][ T1613] RBP: ffffc900034d6fd8 R08: 0000000000000000 R09: 0000000000000000
[  138.383099][ T1613] R10: ffffc900034d7008 R11: ffffffffa558d1e0 R12: 1ffff9200069ade2
[  138.383601][ T1613] R13: 00000000000005dc R14: ffffc900034d7008 R15: ffff888009bcaf48
[  138.384092][ T1613] FS:  00007f58eb1e5800(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[  138.384682][ T1613] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  138.385102][ T1613] CR2: 00000000004e6890 CR3: 000000001199c003 CR4: 0000000000772ef0
[  138.385618][ T1613] PKRU: 55555554
[  138.385877][ T1613] Call Trace:
[  138.386135][ T1613]  <TASK>
[ 138.386311][ T1613] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 138.386654][ T1613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 138.387009][ T1613] netif_set_mtu (net/core/dev.c:9652) 
[ 138.387334][ T1613] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 138.387697][ T1613] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 138.387946][ T1613] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 138.388277][ T1613] br_add_if (net/bridge/br_if.c:697) 
[ 138.388546][ T1613] do_set_master (net/core/rtnetlink.c:2948) 
[ 138.388898][ T1613] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 138.389229][ T1613] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 138.389558][ T1613] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 138.390008][ T1613] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 138.390333][ T1613] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 138.390670][ T1613] ? __kernel_text_address (kernel/extable.c:79) 
[ 138.391029][ T1613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 138.391363][ T1613] ? __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) 
[ 138.391724][ T1613] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 138.392134][ T1613] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 138.392462][ T1613] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 138.392813][ T1613] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 138.393144][ T1613] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 138.393478][ T1613] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 138.393826][ T1613] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 138.394155][ T1613] ? __create_object (mm/kmemleak.c:771) 
[ 138.394481][ T1613] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 138.394835][ T1613] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 138.395161][ T1613] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 138.395636][ T1613] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 138.396000][ T1613] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 138.396331][ T1613] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 138.396655][ T1613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 138.397018][ T1613] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 138.397341][ T1613] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 138.397665][ T1613] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 138.398016][ T1613] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 138.398344][ T1613] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 138.398672][ T1613] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 138.399028][ T1613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 138.399355][ T1613] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 138.399691][ T1613] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 138.400035][ T1613] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 138.400374][ T1613] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 138.400714][ T1613] ? 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) 
[ 138.401066][ T1613] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 138.401393][ T1613] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 138.401716][ T1613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 138.402048][ T1613] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 138.402376][ T1613] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 138.402710][ T1613] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 138.403056][ T1613] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 138.403383][ T1613] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 138.403721][ T1613] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 138.404149][ T1613] ___sys_sendmsg (net/socket.c:2670) 
[ 138.404479][ T1613] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 138.404816][ T1613] ? __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) 
[ 138.405238][ T1613] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 138.405616][ T1613] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 138.405947][ T1613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 138.406281][ T1613] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 138.406591][ T1613] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 138.406906][ T1613] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 138.407286][ T1613] __sys_sendmsg (net/socket.c:2700) 
[ 138.407598][ T1613] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 138.408019][ T1613] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 138.408359][ T1613] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 138.408690][ T1613] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 138.409001][ T1613] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  138.409394][ T1613] RIP: 0033:0x7f58eb3b21e7
[ 138.409722][ T1613] 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)
[  138.410818][ T1613] RSP: 002b:00007ffd4091a5b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  138.411292][ T1613] RAX: ffffffffffffffda RBX: 00007ffd4091acf0 RCX: 00007f58eb3b21e7
[  138.411759][ T1613] RDX: 0000000000000000 RSI: 00007ffd4091a620 RDI: 0000000000000005
[  138.412229][ T1613] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  138.412697][ T1613] R10: 000000000e705910 R11: 0000000000000246 R12: 0000000000000003
[  138.413202][ T1613] R13: 00000000686e1c69 R14: 0000000000499600 R15: 0000000000000000
| [  140.052332][ T1639] ------------[ cut here ]------------
| [ 140.052633][ T1639] WARNING: CPU: 1 PID: 1639 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) 
| [  140.053280][ T1639] Modules linked in: vxlan
| [  140.054212][ T1639] Tainted: [W]=WARN
[  140.054440][ T1639] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 140.056383][ T1639] 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) 
[ 140.057169][ T1639] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  140.058289][ T1639] RSP: 0018:ffffc900035c6ef0 EFLAGS: 00010246
[  140.058669][ T1639] RAX: 0000000000000000 RBX: ffff888009bca000 RCX: 0000000000000001
[  140.059152][ T1639] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  140.059602][ T1639] RBP: ffffc900035c6fd8 R08: 0000000000000000 R09: 0000000000000000
[  140.060190][ T1639] R10: ffffc900035c7008 R11: ffffffffa5eceab8 R12: 1ffff920006b8de2
[  140.060884][ T1639] R13: 00000000000005aa R14: ffffc900035c7008 R15: ffff888009bcaf48
[  140.061360][ T1639] FS:  00007ff35f6bd800(0000) GS:ffff8880c5e19000(0000) knlGS:0000000000000000
[  140.061898][ T1639] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  140.062287][ T1639] CR2: 00000000004e6890 CR3: 000000000274a004 CR4: 0000000000772ef0
[  140.062753][ T1639] PKRU: 55555554
[  140.062994][ T1639] Call Trace:
[  140.063219][ T1639]  <TASK>
[ 140.063375][ T1639] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 140.063704][ T1639] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 140.064016][ T1639] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 140.064386][ T1639] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 140.064714][ T1639] netif_set_mtu (net/core/dev.c:9652) 
[ 140.065101][ T1639] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 140.065429][ T1639] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 140.065819][ T1639] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 140.066065][ T1639] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 140.066367][ T1639] br_add_if (net/bridge/br_if.c:697) 
[ 140.066602][ T1639] do_set_master (net/core/rtnetlink.c:2948) 
[ 140.066918][ T1639] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 140.067224][ T1639] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 140.067528][ T1639] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 140.067927][ T1639] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 140.068235][ T1639] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 140.068532][ T1639] ? __kernel_text_address (kernel/extable.c:79) 
[ 140.068853][ T1639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 140.069163][ T1639] ? __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) 
[ 140.069462][ T1639] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 140.069841][ T1639] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 140.070150][ T1639] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 140.070470][ T1639] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 140.070788][ T1639] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 140.071100][ T1639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 140.071399][ T1639] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 140.071708][ T1639] ? __create_object (mm/kmemleak.c:771) 
[ 140.072021][ T1639] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 140.072327][ T1639] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 140.072627][ T1639] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 140.073101][ T1639] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 140.073425][ T1639] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 140.073742][ T1639] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 140.074056][ T1639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 140.074362][ T1639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 140.074660][ T1639] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 140.075004][ T1639] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 140.075317][ T1639] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 140.075616][ T1639] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 140.075941][ T1639] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 140.076246][ T1639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 140.076546][ T1639] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 140.076856][ T1639] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 140.077166][ T1639] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 140.077476][ T1639] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 140.077790][ T1639] ? 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) 
[ 140.078169][ T1639] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 140.078471][ T1639] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 140.078786][ T1639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 140.079098][ T1639] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 140.079399][ T1639] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 140.079710][ T1639] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 140.080040][ T1639] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 140.080342][ T1639] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 140.080637][ T1639] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 140.081045][ T1639] ___sys_sendmsg (net/socket.c:2670) 
[ 140.081342][ T1639] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 140.081635][ T1639] ? __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) 
[ 140.082102][ T1639] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 140.082416][ T1639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 140.082735][ T1639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 140.083049][ T1639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 140.083345][ T1639] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 140.083646][ T1639] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 140.083965][ T1639] __sys_sendmsg (net/socket.c:2700) 
[ 140.084265][ T1639] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 140.084642][ T1639] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 140.084965][ T1639] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 140.085266][ T1639] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 140.085619][ T1639] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  140.085994][ T1639] RIP: 0033:0x7ff35f88a1e7
[ 140.086304][ T1639] 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)
[  140.087401][ T1639] RSP: 002b:00007ffc5b1ccaa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  140.087859][ T1639] RAX: ffffffffffffffda RBX: 00007ffc5b1cd1e0 RCX: 00007ff35f88a1e7
[  140.088305][ T1639] RDX: 0000000000000000 RSI: 00007ffc5b1ccb10 RDI: 0000000000000005
[  140.088773][ T1639] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  140.089221][ T1639] R10: 000000002b21c910 R11: 0000000000000246 R12: 0000000000000003
[  140.089667][ T1639] R13: 00000000686e1c6b R14: 0000000000499600 R15: 0000000000000000
| [  143.764322][ T1689] ------------[ cut here ]------------
| [ 143.764629][ T1689] WARNING: CPU: 1 PID: 1689 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) 
| [  143.765265][ T1689] Modules linked in: vxlan
| [  143.766245][ T1689] Tainted: [W]=WARN
[  143.766483][ T1689] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 143.766882][ T1689] 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) 
[ 143.767213][ T1689] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  143.768343][ T1689] RSP: 0018:ffffc90003626ef0 EFLAGS: 00010246
[  143.768753][ T1689] RAX: 0000000000000000 RBX: ffff88800a152000 RCX: 0000000000000001
[  143.769223][ T1689] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  143.769705][ T1689] RBP: ffffc90003626fd8 R08: 0000000000000000 R09: 0000000000000000
[  143.770181][ T1689] R10: ffffc90003627008 R11: ffffffffa558d1e0 R12: 1ffff920006c4de2
[  143.770657][ T1689] R13: 00000000000005dc R14: ffffc90003627008 R15: ffff88800a152f48
[  143.771144][ T1689] FS:  00007f018ed54800(0000) GS:ffff8880c5e19000(0000) knlGS:0000000000000000
[  143.771709][ T1689] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  143.772106][ T1689] CR2: 00000000004e6898 CR3: 0000000010539005 CR4: 0000000000772ef0
[  143.772579][ T1689] PKRU: 55555554
[  143.772825][ T1689] Call Trace:
[  143.773061][ T1689]  <TASK>
[ 143.773227][ T1689] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 143.773539][ T1689] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 143.773871][ T1689] netif_set_mtu (net/core/dev.c:9652) 
[ 143.774182][ T1689] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 143.774509][ T1689] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 143.774757][ T1689] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 143.775074][ T1689] br_add_if (net/bridge/br_if.c:697) 
[ 143.775332][ T1689] do_set_master (net/core/rtnetlink.c:2948) 
[ 143.775650][ T1689] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 143.775983][ T1689] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 143.776302][ T1689] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 143.776710][ T1689] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 143.777023][ T1689] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 143.777337][ T1689] ? __kernel_text_address (kernel/extable.c:79) 
[ 143.777657][ T1689] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 143.777985][ T1689] ? __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) 
[ 143.778299][ T1689] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 143.778697][ T1689] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 143.779015][ T1689] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 143.779325][ T1689] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 143.779634][ T1689] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 143.779955][ T1689] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 143.780276][ T1689] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 143.780589][ T1689] ? __create_object (mm/kmemleak.c:771) 
[ 143.780909][ T1689] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 143.781222][ T1689] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 143.781534][ T1689] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 143.781928][ T1689] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 143.782247][ T1689] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 143.782571][ T1689] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 143.782892][ T1689] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 143.783209][ T1689] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 143.783525][ T1689] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 143.783846][ T1689] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 143.784159][ T1689] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 143.784467][ T1689] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 143.784791][ T1689] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 143.785117][ T1689] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 143.785448][ T1689] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 143.785770][ T1689] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 143.786086][ T1689] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 143.786408][ T1689] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 143.786731][ T1689] ? 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) 
[ 143.787048][ T1689] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 143.787368][ T1689] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 143.787693][ T1689] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 143.788011][ T1689] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 143.788328][ T1689] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 143.788641][ T1689] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 143.788971][ T1689] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 143.789286][ T1689] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 143.789599][ T1689] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 143.790012][ T1689] ___sys_sendmsg (net/socket.c:2670) 
[ 143.790328][ T1689] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 143.790639][ T1689] ? __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) 
[ 143.791034][ T1689] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 143.791351][ T1689] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 143.791667][ T1689] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 143.792007][ T1689] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 143.792320][ T1689] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 143.792633][ T1689] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 143.792968][ T1689] __sys_sendmsg (net/socket.c:2700) 
[ 143.793280][ T1689] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 143.793667][ T1689] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 143.794004][ T1689] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 143.794318][ T1689] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 143.794641][ T1689] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  143.795040][ T1689] RIP: 0033:0x7f018ef211e7
[ 143.795378][ T1689] 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)
[  143.796506][ T1689] RSP: 002b:00007fff65851c48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  143.796995][ T1689] RAX: ffffffffffffffda RBX: 00007fff65852380 RCX: 00007f018ef211e7
[  143.797465][ T1689] RDX: 0000000000000000 RSI: 00007fff65851cb0 RDI: 0000000000000005
[  143.797941][ T1689] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  143.798410][ T1689] R10: 000000003f7ef910 R11: 0000000000000246 R12: 0000000000000003
[  143.798893][ T1689] R13: 00000000686e1c6f R14: 0000000000499600 R15: 0000000000000000
| [  145.583534][ T1715] ------------[ cut here ]------------
| [ 145.583845][ T1715] WARNING: CPU: 3 PID: 1715 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) 
| [  145.584442][ T1715] Modules linked in: vxlan
| [  145.585485][ T1715] Tainted: [W]=WARN
[  145.585725][ T1715] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 145.586103][ T1715] 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) 
[ 145.586407][ T1715] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  145.587487][ T1715] RSP: 0018:ffffc90003796ef0 EFLAGS: 00010246
[  145.587879][ T1715] RAX: 0000000000000000 RBX: ffff88800a152000 RCX: 0000000000000001
[  145.588321][ T1715] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  145.588809][ T1715] RBP: ffffc90003796fd8 R08: 0000000000000000 R09: 0000000000000000
[  145.589253][ T1715] R10: ffffc90003797008 R11: ffffffffa558d1e0 R12: 1ffff920006f2de2
[  145.589722][ T1715] R13: 0000000000000596 R14: ffffc90003797008 R15: ffff88800a152f48
[  145.590184][ T1715] FS:  00007f305b43a800(0000) GS:ffff8880c5f19000(0000) knlGS:0000000000000000
[  145.590712][ T1715] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  145.591087][ T1715] CR2: 00000000004e6898 CR3: 00000000118fa005 CR4: 0000000000772ef0
[  145.591555][ T1715] PKRU: 55555554
[  145.591793][ T1715] Call Trace:
[  145.592017][ T1715]  <TASK>
[ 145.592171][ T1715] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 145.592467][ T1715] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 145.592786][ T1715] netif_set_mtu (net/core/dev.c:9652) 
[ 145.593102][ T1715] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 145.593414][ T1715] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 145.593639][ T1715] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 145.593949][ T1715] br_add_if (net/bridge/br_if.c:697) 
[ 145.594210][ T1715] do_set_master (net/core/rtnetlink.c:2948) 
[ 145.594507][ T1715] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 145.594814][ T1715] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 145.595116][ T1715] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 145.595518][ T1715] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 145.595826][ T1715] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 145.596121][ T1715] ? __kernel_text_address (kernel/extable.c:79) 
[ 145.596426][ T1715] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 145.596732][ T1715] ? __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) 
[ 145.597058][ T1715] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 145.597441][ T1715] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 145.597751][ T1715] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 145.598046][ T1715] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 145.598339][ T1715] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 145.598641][ T1715] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 145.598945][ T1715] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 145.599239][ T1715] ? __create_object (mm/kmemleak.c:771) 
[ 145.599535][ T1715] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 145.599842][ T1715] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 145.600158][ T1715] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 145.600543][ T1715] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 145.600872][ T1715] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 145.601189][ T1715] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 145.601501][ T1715] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 145.601825][ T1715] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 145.602137][ T1715] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 145.602445][ T1715] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 145.602765][ T1715] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 145.603073][ T1715] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 145.603399][ T1715] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 145.603723][ T1715] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 145.604041][ T1715] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 145.604350][ T1715] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 145.604660][ T1715] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 145.604987][ T1715] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 145.605279][ T1715] ? 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) 
[ 145.605594][ T1715] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 145.605899][ T1715] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 145.606195][ T1715] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 145.606494][ T1715] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 145.606801][ T1715] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 145.607100][ T1715] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 145.607400][ T1715] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 145.607712][ T1715] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 145.608014][ T1715] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 145.608390][ T1715] ___sys_sendmsg (net/socket.c:2670) 
[ 145.608702][ T1715] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 145.609007][ T1715] ? __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) 
[ 145.609375][ T1715] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 145.609700][ T1715] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 145.610021][ T1715] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 145.610336][ T1715] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 145.610631][ T1715] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 145.610971][ T1715] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 145.611275][ T1715] __sys_sendmsg (net/socket.c:2700) 
[ 145.611584][ T1715] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 145.611987][ T1715] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 145.612312][ T1715] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 145.612632][ T1715] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 145.612961][ T1715] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  145.613351][ T1715] RIP: 0033:0x7f305b6071e7
[ 145.613683][ T1715] 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)
[  145.614807][ T1715] RSP: 002b:00007ffdbb75ff48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  145.615279][ T1715] RAX: ffffffffffffffda RBX: 00007ffdbb760680 RCX: 00007f305b6071e7
[  145.615774][ T1715] RDX: 0000000000000000 RSI: 00007ffdbb75ffb0 RDI: 0000000000000005
[  145.616215][ T1715] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  145.616664][ T1715] R10: 0000000019d96910 R11: 0000000000000246 R12: 0000000000000003
[  145.617114][ T1715] R13: 00000000686e1c71 R14: 0000000000499600 R15: 0000000000000000
| [  150.309504][   T67] ------------[ cut here ]------------
| [ 150.310057][ T67] WARNING: CPU: 0 PID: 67 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) 
| [  150.311422][   T67] Modules linked in: vxlan
| [  150.313237][   T67] Tainted: [W]=WARN
[  150.313551][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  150.314481][   T67] Workqueue: netns cleanup_net
[ 150.314976][ T67] 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) 
[ 150.315514][ T67] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  150.317368][   T67] RSP: 0018:ffffc90000487360 EFLAGS: 00010246
[  150.318046][   T67] RAX: 0000000000000000 RBX: ffff88800a152000 RCX: 0000000000000001
[  150.318897][   T67] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  150.319740][   T67] RBP: ffffc90000487450 R08: 0000000000000000 R09: 0000000000000000
[  150.320573][   T67] R10: ffffc90000487480 R11: ffffffffa558d1e0 R12: 1ffff92000090e70
[  150.321425][   T67] R13: 00000000000005dc R14: ffffc90000487480 R15: ffff88800a152f48
[  150.322264][   T67] FS:  0000000000000000(0000) GS:ffff8880c5d99000(0000) knlGS:0000000000000000
[  150.323207][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  150.323889][   T67] CR2: 00007f0fd74e0dd0 CR3: 00000000122c0002 CR4: 0000000000772ef0
[  150.324726][   T67] PKRU: 55555554
[  150.325144][   T67] Call Trace:
[  150.325551][   T67]  <TASK>
[ 150.325835][ T67] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 150.326370][ T67] ? __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) 
[ 150.327048][ T67] ? br_del_if (net/bridge/br_if.c:742) 
[ 150.327434][ T67] ? br_device_event (net/bridge/br.c:141) 
[ 150.327977][ T67] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 150.328520][ T67] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 150.329082][ T67] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 150.329766][ T67] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 150.330438][ T67] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 150.330991][ T67] ? cleanup_net (net/core/net_namespace.c:684) 
[ 150.331539][ T67] ? process_one_work (kernel/workqueue.c:3238) 
[ 150.332120][ T67] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 150.332693][ T67] ? kthread (kernel/kthread.c:464) 
[ 150.333113][ T67] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 150.333669][ T67] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 150.334265][ T67] netif_set_mtu (net/core/dev.c:9652) 
[ 150.334841][ T67] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 150.335444][ T67] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 150.335855][ T67] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 150.336395][ T67] br_del_if (net/bridge/br_if.c:743) 
[ 150.336821][ T67] br_device_event (net/bridge/br.c:141) 
[ 150.337378][ T67] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 150.337942][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 150.338500][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 150.339209][ T67] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 150.339935][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 150.340621][ T67] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 150.341201][ T67] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 150.341911][ T67] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 150.342618][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 150.343206][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 150.343915][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 150.344470][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 150.345171][ T67] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 150.345868][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 150.346549][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 150.347255][ T67] default_device_exit_batch (net/core/dev.c:12673) 
[ 150.347808][ T67] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 150.348486][ T67] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 150.349045][ T67] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 150.349568][ T67] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 150.350131][ T67] cleanup_net (net/core/net_namespace.c:684) 
[ 150.350669][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 150.351222][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 150.351789][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 150.352341][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 150.352905][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 150.353445][ T67] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 150.354022][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 150.354575][ T67] kthread (kernel/kthread.c:464) 
[ 150.354995][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 150.355550][ T67] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 150.356099][ T67] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 150.356633][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 150.357177][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 150.357731][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 150.358704][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 150.359244][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  150.397660][   T67] ------------[ cut here ]------------
| [ 150.397996][ T67] WARNING: CPU: 3 PID: 67 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) 
| [  150.398540][   T67] Modules linked in: vxlan
| [  150.399867][   T67] Tainted: [W]=WARN
[  150.400101][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  150.400489][   T67] Workqueue: netns cleanup_net
[ 150.400817][ T67] 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) 
[ 150.401141][ T67] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  150.402245][   T67] RSP: 0000:ffffc90000487360 EFLAGS: 00010246
[  150.402635][   T67] RAX: 0000000000000000 RBX: ffff888009bca000 RCX: 0000000000000001
[  150.403103][   T67] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  150.403564][   T67] RBP: ffffc90000487450 R08: 0000000000000000 R09: 0000000000000000
[  150.404026][   T67] R10: ffffc90000487480 R11: ffffffffa558d1e0 R12: 1ffff92000090e70
[  150.404486][   T67] R13: 00000000000005dc R14: ffffc90000487480 R15: ffff888009bcaf48
[  150.404951][   T67] FS:  0000000000000000(0000) GS:ffff8880c5f19000(0000) knlGS:0000000000000000
[  150.405513][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  150.405907][   T67] CR2: 0000000000478f27 CR3: 00000000122c0004 CR4: 0000000000772ef0
[  150.406375][   T67] PKRU: 55555554
[  150.406605][   T67] Call Trace:
[  150.406843][   T67]  <TASK>
[ 150.407000][ T67] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 150.407311][ T67] ? __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) 
[ 150.407703][ T67] ? br_del_if (net/bridge/br_if.c:742) 
[ 150.407936][ T67] ? br_device_event (net/bridge/br.c:141) 
[ 150.408259][ T67] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 150.408564][ T67] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 150.408878][ T67] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 150.409257][ T67] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 150.409637][ T67] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 150.409951][ T67] ? cleanup_net (net/core/net_namespace.c:684) 
[ 150.410257][ T67] ? process_one_work (kernel/workqueue.c:3238) 
[ 150.410569][ T67] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 150.410883][ T67] ? kthread (kernel/kthread.c:464) 
[ 150.411113][ T67] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 150.411423][ T67] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 150.411747][ T67] netif_set_mtu (net/core/dev.c:9652) 
[ 150.412058][ T67] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 150.412386][ T67] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 150.412620][ T67] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 150.412941][ T67] br_del_if (net/bridge/br_if.c:743) 
[ 150.413174][ T67] br_device_event (net/bridge/br.c:141) 
[ 150.413484][ T67] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 150.413808][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 150.414121][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 150.414512][ T67] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 150.414916][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 150.415320][ T67] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 150.415660][ T67] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 150.416063][ T67] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 150.416469][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 150.416786][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 150.417176][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 150.417486][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 150.417879][ T67] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 150.418260][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 150.418643][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 150.419039][ T67] default_device_exit_batch (net/core/dev.c:12673) 
[ 150.419348][ T67] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 150.419747][ T67] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 150.420061][ T67] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 150.420366][ T67] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 150.420693][ T67] cleanup_net (net/core/net_namespace.c:684) 
[ 150.421002][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 150.421310][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 150.421625][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 150.421976][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 150.422323][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 150.422633][ T67] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 150.422959][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 150.423296][ T67] kthread (kernel/kthread.c:464) 
[ 150.423527][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 150.423843][ T67] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 150.424149][ T67] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 150.424460][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 150.424783][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 150.425097][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 150.425431][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 150.425746][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  171.843196][ T1952] ------------[ cut here ]------------
| [ 171.843524][ T1952] WARNING: CPU: 0 PID: 1952 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) 
| [  171.844161][ T1952] Modules linked in: vxlan
| [  171.845126][ T1952] Tainted: [W]=WARN
[  171.845386][ T1952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 171.845788][ T1952] 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) 
[ 171.846113][ T1952] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  171.847250][ T1952] RSP: 0018:ffffc90004176ef0 EFLAGS: 00010246
[  171.847631][ T1952] RAX: 0000000000000000 RBX: ffff88800632a000 RCX: 0000000000000001
[  171.848116][ T1952] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  171.848587][ T1952] RBP: ffffc90004176fd8 R08: 0000000000000000 R09: 0000000000000000
[  171.849066][ T1952] R10: ffffc90004177008 R11: ffffffffa558d1e0 R12: 1ffff9200082ede2
[  171.849539][ T1952] R13: 00000000000005dc R14: ffffc90004177008 R15: ffff88800632af48
[  171.850026][ T1952] FS:  00007fa986869800(0000) GS:ffff8880c5d99000(0000) knlGS:0000000000000000
[  171.850592][ T1952] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  171.851000][ T1952] CR2: 00000000004e6890 CR3: 000000000e060005 CR4: 0000000000772ef0
[  171.851478][ T1952] PKRU: 55555554
[  171.851725][ T1952] Call Trace:
[  171.851977][ T1952]  <TASK>
[ 171.852142][ T1952] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 171.852458][ T1952] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.852798][ T1952] netif_set_mtu (net/core/dev.c:9652) 
[ 171.853113][ T1952] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 171.853441][ T1952] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 171.853706][ T1952] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 171.854022][ T1952] br_add_if (net/bridge/br_if.c:697) 
[ 171.854273][ T1952] do_set_master (net/core/rtnetlink.c:2948) 
[ 171.854578][ T1952] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 171.854886][ T1952] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 171.855200][ T1952] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 171.855610][ T1952] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 171.855932][ T1952] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 171.856240][ T1952] ? __kernel_text_address (kernel/extable.c:79) 
[ 171.856558][ T1952] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.856898][ T1952] ? __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) 
[ 171.857213][ T1952] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 171.857593][ T1952] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 171.857910][ T1952] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 171.858220][ T1952] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 171.858532][ T1952] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 171.858856][ T1952] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 171.859169][ T1952] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 171.859499][ T1952] ? __create_object (mm/kmemleak.c:771) 
[ 171.859821][ T1952] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 171.860144][ T1952] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 171.860456][ T1952] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 171.860846][ T1952] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 171.861163][ T1952] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 171.861487][ T1952] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.861803][ T1952] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.862132][ T1952] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 171.862443][ T1952] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 171.862760][ T1952] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 171.863072][ T1952] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.863389][ T1952] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 171.863708][ T1952] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.864027][ T1952] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.864346][ T1952] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 171.864656][ T1952] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.864972][ T1952] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 171.865291][ T1952] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 171.865613][ T1952] ? 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) 
[ 171.865933][ T1952] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 171.866255][ T1952] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 171.866565][ T1952] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.866888][ T1952] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 171.867208][ T1952] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 171.867515][ T1952] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 171.867838][ T1952] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 171.868151][ T1952] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 171.868463][ T1952] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 171.868868][ T1952] ___sys_sendmsg (net/socket.c:2670) 
[ 171.869178][ T1952] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 171.869487][ T1952] ? __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) 
[ 171.869884][ T1952] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 171.870199][ T1952] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 171.870511][ T1952] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.870837][ T1952] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 171.871151][ T1952] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 171.871460][ T1952] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 171.871788][ T1952] __sys_sendmsg (net/socket.c:2700) 
[ 171.872100][ T1952] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 171.872483][ T1952] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 171.872815][ T1952] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 171.873138][ T1952] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 171.873452][ T1952] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  171.873844][ T1952] RIP: 0033:0x7fa986a361e7
[ 171.874169][ T1952] 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)
[  171.875285][ T1952] RSP: 002b:00007fff844b1ee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  171.875777][ T1952] RAX: ffffffffffffffda RBX: 00007fff844b2620 RCX: 00007fa986a361e7
[  171.876241][ T1952] RDX: 0000000000000000 RSI: 00007fff844b1f50 RDI: 0000000000000005
[  171.876713][ T1952] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  171.877173][ T1952] R10: 000000000921f910 R11: 0000000000000246 R12: 0000000000000003
[  171.877643][ T1952] R13: 00000000686e1c8b R14: 0000000000499600 R15: 0000000000000000
| [  173.483179][ T1978] ------------[ cut here ]------------
| [ 173.483494][ T1978] WARNING: CPU: 2 PID: 1978 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) 
| [  173.484121][ T1978] Modules linked in: vxlan
| [  173.485060][ T1978] Tainted: [W]=WARN
[  173.485299][ T1978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 173.485734][ T1978] 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) 
[ 173.486065][ T1978] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  173.487142][ T1978] RSP: 0018:ffffc90004206ef0 EFLAGS: 00010246
[  173.487530][ T1978] RAX: 0000000000000000 RBX: ffff88800632a000 RCX: 0000000000000001
[  173.488005][ T1978] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  173.488466][ T1978] RBP: ffffc90004206fd8 R08: 0000000000000000 R09: 0000000000000000
[  173.488930][ T1978] R10: ffffc90004207008 R11: ffffffffa5eceab8 R12: 1ffff92000840de2
[  173.489384][ T1978] R13: 00000000000005aa R14: ffffc90004207008 R15: ffff88800632af48
[  173.489851][ T1978] FS:  00007f4533d58800(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[  173.490387][ T1978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  173.490785][ T1978] CR2: 00000000004e6890 CR3: 000000000532a006 CR4: 0000000000772ef0
[  173.491243][ T1978] PKRU: 55555554
[  173.491478][ T1978] Call Trace:
[  173.491721][ T1978]  <TASK>
[ 173.491890][ T1978] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 173.492214][ T1978] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 173.492525][ T1978] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 173.492918][ T1978] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 173.493238][ T1978] netif_set_mtu (net/core/dev.c:9652) 
[ 173.493547][ T1978] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 173.493882][ T1978] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 173.494268][ T1978] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 173.494512][ T1978] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 173.494838][ T1978] br_add_if (net/bridge/br_if.c:697) 
[ 173.495090][ T1978] do_set_master (net/core/rtnetlink.c:2948) 
[ 173.495411][ T1978] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 173.495738][ T1978] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 173.496055][ T1978] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 173.496443][ T1978] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 173.496793][ T1978] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 173.497103][ T1978] ? __kernel_text_address (kernel/extable.c:79) 
[ 173.497415][ T1978] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 173.497743][ T1978] ? __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) 
[ 173.498056][ T1978] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 173.498432][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 173.498756][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 173.499072][ T1978] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 173.499380][ T1978] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 173.499699][ T1978] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 173.500011][ T1978] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 173.500316][ T1978] ? __create_object (mm/kmemleak.c:771) 
[ 173.500625][ T1978] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 173.500946][ T1978] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 173.501260][ T1978] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 173.501641][ T1978] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 173.501978][ T1978] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 173.502289][ T1978] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 173.502596][ T1978] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 173.502923][ T1978] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 173.503234][ T1978] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 173.503535][ T1978] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 173.503857][ T1978] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 173.504168][ T1978] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 173.504476][ T1978] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 173.504800][ T1978] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 173.505115][ T1978] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 173.505431][ T1978] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 173.505756][ T1978] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 173.506074][ T1978] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 173.506389][ T1978] ? 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) 
[ 173.506711][ T1978] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 173.507024][ T1978] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 173.507329][ T1978] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 173.507642][ T1978] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 173.507969][ T1978] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 173.508278][ T1978] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 173.508600][ T1978] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 173.508923][ T1978] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 173.509229][ T1978] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 173.509616][ T1978] ___sys_sendmsg (net/socket.c:2670) 
[ 173.509937][ T1978] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 173.510242][ T1978] ? __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) 
[ 173.510625][ T1978] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 173.510961][ T1978] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 173.511274][ T1978] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 173.511588][ T1978] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 173.511916][ T1978] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 173.512221][ T1978] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 173.512536][ T1978] __sys_sendmsg (net/socket.c:2700) 
[ 173.512855][ T1978] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 173.513238][ T1978] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 173.513589][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 173.513934][ T1978] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 173.514243][ T1978] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  173.514622][ T1978] RIP: 0033:0x7f4533f251e7
[ 173.514953][ T1978] 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)
[  173.516088][ T1978] RSP: 002b:00007ffec11bb7a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  173.516546][ T1978] RAX: ffffffffffffffda RBX: 00007ffec11bbee0 RCX: 00007f4533f251e7
[  173.517014][ T1978] RDX: 0000000000000000 RSI: 00007ffec11bb810 RDI: 0000000000000005
[  173.517470][ T1978] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  173.517944][ T1978] R10: 000000001ea44910 R11: 0000000000000246 R12: 0000000000000003
[  173.518400][ T1978] R13: 00000000686e1c8d R14: 0000000000499600 R15: 0000000000000000
| [  177.244524][ T2028] ------------[ cut here ]------------
| [ 177.244850][ T2028] WARNING: CPU: 2 PID: 2028 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) 
| [  177.245459][ T2028] Modules linked in: vxlan
| [  177.246406][ T2028] Tainted: [W]=WARN
[  177.246647][ T2028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 177.247042][ T2028] 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) 
[ 177.247357][ T2028] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  177.248441][ T2028] RSP: 0018:ffffc900041d6ef0 EFLAGS: 00010246
[  177.248838][ T2028] RAX: 0000000000000000 RBX: ffff88801181a000 RCX: 0000000000000001
[  177.249300][ T2028] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  177.249777][ T2028] RBP: ffffc900041d6fd8 R08: 0000000000000000 R09: 0000000000000000
[  177.250238][ T2028] R10: ffffc900041d7008 R11: ffffffffa558d1e0 R12: 1ffff9200083ade2
[  177.250712][ T2028] R13: 00000000000005dc R14: ffffc900041d7008 R15: ffff88801181af48
[  177.251176][ T2028] FS:  00007f0378a65800(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[  177.251718][ T2028] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  177.252105][ T2028] CR2: 00000000004e6898 CR3: 000000000cfc4006 CR4: 0000000000772ef0
[  177.252562][ T2028] PKRU: 55555554
[  177.252805][ T2028] Call Trace:
[  177.253038][ T2028]  <TASK>
[ 177.253203][ T2028] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 177.253518][ T2028] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 177.253850][ T2028] netif_set_mtu (net/core/dev.c:9652) 
[ 177.254158][ T2028] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 177.254483][ T2028] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 177.254731][ T2028] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 177.255045][ T2028] br_add_if (net/bridge/br_if.c:697) 
[ 177.255292][ T2028] do_set_master (net/core/rtnetlink.c:2948) 
[ 177.255609][ T2028] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 177.255935][ T2028] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 177.256251][ T2028] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 177.256637][ T2028] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 177.256955][ T2028] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 177.257264][ T2028] ? __kernel_text_address (kernel/extable.c:79) 
[ 177.257575][ T2028] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 177.257904][ T2028] ? __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) 
[ 177.258215][ T2028] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 177.258594][ T2028] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 177.258919][ T2028] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 177.259224][ T2028] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 177.259532][ T2028] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 177.259849][ T2028] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 177.260159][ T2028] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 177.260469][ T2028] ? __create_object (mm/kmemleak.c:771) 
[ 177.260788][ T2028] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 177.261097][ T2028] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 177.261408][ T2028] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 177.261793][ T2028] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 177.262111][ T2028] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 177.262427][ T2028] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 177.262752][ T2028] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 177.263066][ T2028] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 177.263374][ T2028] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 177.263705][ T2028] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 177.264015][ T2028] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 177.264321][ T2028] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 177.264631][ T2028] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 177.264958][ T2028] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 177.265278][ T2028] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 177.265599][ T2028] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 177.265920][ T2028] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 177.266239][ T2028] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 177.266544][ T2028] ? 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) 
[ 177.266865][ T2028] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 177.267176][ T2028] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 177.267492][ T2028] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 177.267830][ T2028] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 177.268144][ T2028] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 177.268450][ T2028] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 177.268777][ T2028] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 177.269089][ T2028] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 177.269394][ T2028] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 177.269800][ T2028] ___sys_sendmsg (net/socket.c:2670) 
[ 177.270116][ T2028] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 177.270417][ T2028] ? __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) 
[ 177.270807][ T2028] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 177.271117][ T2028] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 177.271427][ T2028] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 177.271749][ T2028] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 177.272069][ T2028] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 177.272374][ T2028] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 177.272700][ T2028] __sys_sendmsg (net/socket.c:2700) 
[ 177.273013][ T2028] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 177.273389][ T2028] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 177.273717][ T2028] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 177.274027][ T2028] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 177.274337][ T2028] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  177.274727][ T2028] RIP: 0033:0x7f0378c321e7
[ 177.275043][ T2028] 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)
[  177.276129][ T2028] RSP: 002b:00007fff14ded4a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  177.276592][ T2028] RAX: ffffffffffffffda RBX: 00007fff14dedbe0 RCX: 00007f0378c321e7
[  177.277054][ T2028] RDX: 0000000000000000 RSI: 00007fff14ded510 RDI: 0000000000000005
[  177.277505][ T2028] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  177.277967][ T2028] R10: 000000002fe75910 R11: 0000000000000246 R12: 0000000000000003
[  177.278427][ T2028] R13: 00000000686e1c90 R14: 0000000000499600 R15: 0000000000000000
| [  178.923056][ T2054] ------------[ cut here ]------------
| [ 178.923367][ T2054] WARNING: CPU: 1 PID: 2054 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) 
| [  178.923988][ T2054] Modules linked in: vxlan
| [  178.924962][ T2054] Tainted: [W]=WARN
[  178.925200][ T2054] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 178.925610][ T2054] 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) 
[ 178.925937][ T2054] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  178.927071][ T2054] RSP: 0018:ffffc900043e6ef0 EFLAGS: 00010246
[  178.927466][ T2054] RAX: 0000000000000000 RBX: ffff88801181a000 RCX: 0000000000000001
[  178.927939][ T2054] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  178.928403][ T2054] RBP: ffffc900043e6fd8 R08: 0000000000000000 R09: 0000000000000000
[  178.928876][ T2054] R10: ffffc900043e7008 R11: ffffffffa558d1e0 R12: 1ffff9200087cde2
[  178.929350][ T2054] R13: 0000000000000596 R14: ffffc900043e7008 R15: ffff88801181af48
[  178.929822][ T2054] FS:  00007fc9b7ebc800(0000) GS:ffff8880c5e19000(0000) knlGS:0000000000000000
[  178.930367][ T2054] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  178.930776][ T2054] CR2: 00000000004e6898 CR3: 0000000010595006 CR4: 0000000000772ef0
[  178.931348][ T2054] PKRU: 55555554
[  178.931579][ T2054] Call Trace:
[  178.931811][ T2054]  <TASK>
[ 178.931964][ T2054] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 178.932258][ T2054] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 178.932566][ T2054] netif_set_mtu (net/core/dev.c:9652) 
[ 178.932869][ T2054] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 178.933210][ T2054] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 178.933455][ T2054] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 178.933781][ T2054] br_add_if (net/bridge/br_if.c:697) 
[ 178.934029][ T2054] do_set_master (net/core/rtnetlink.c:2948) 
[ 178.934338][ T2054] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 178.934652][ T2054] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 178.934989][ T2054] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 178.935392][ T2054] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 178.935717][ T2054] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 178.936028][ T2054] ? __kernel_text_address (kernel/extable.c:79) 
[ 178.936342][ T2054] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 178.936653][ T2054] ? __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) 
[ 178.936983][ T2054] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 178.937351][ T2054] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 178.937647][ T2054] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 178.937948][ T2054] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 178.938250][ T2054] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 178.938544][ T2054] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 178.938885][ T2054] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 178.939191][ T2054] ? __create_object (mm/kmemleak.c:771) 
[ 178.939488][ T2054] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 178.939795][ T2054] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 178.940093][ T2054] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 178.940474][ T2054] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 178.940791][ T2054] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 178.941092][ T2054] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 178.941386][ T2054] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 178.941698][ T2054] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 178.941993][ T2054] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 178.942285][ T2054] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 178.942582][ T2054] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 178.942903][ T2054] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 178.943202][ T2054] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 178.943499][ T2054] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 178.943830][ T2054] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 178.944129][ T2054] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 178.944424][ T2054] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 178.944735][ T2054] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 178.945041][ T2054] ? 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) 
[ 178.945350][ T2054] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 178.945661][ T2054] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 178.946005][ T2054] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 178.946312][ T2054] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 178.946611][ T2054] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 178.946927][ T2054] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 178.947240][ T2054] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 178.947536][ T2054] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 178.947835][ T2054] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 178.948216][ T2054] ___sys_sendmsg (net/socket.c:2670) 
[ 178.948509][ T2054] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 178.948813][ T2054] ? __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) 
[ 178.949180][ T2054] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 178.949484][ T2054] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 178.949789][ T2054] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 178.950093][ T2054] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 178.950389][ T2054] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 178.950702][ T2054] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 178.951005][ T2054] __sys_sendmsg (net/socket.c:2700) 
[ 178.951296][ T2054] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 178.951661][ T2054] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 178.951984][ T2054] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 178.952282][ T2054] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 178.952578][ T2054] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  178.952949][ T2054] RIP: 0033:0x7fc9b80891e7
[ 178.953257][ T2054] 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)
[  178.954325][ T2054] RSP: 002b:00007ffdf100a8a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  178.954784][ T2054] RAX: ffffffffffffffda RBX: 00007ffdf100afe0 RCX: 00007fc9b80891e7
[  178.955225][ T2054] RDX: 0000000000000000 RSI: 00007ffdf100a910 RDI: 0000000000000005
[  178.955687][ T2054] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  178.956134][ T2054] R10: 000000001f34f910 R11: 0000000000000246 R12: 0000000000000003
[  178.956572][ T2054] R13: 00000000686e1c92 R14: 0000000000499600 R15: 0000000000000000
| [  182.603464][ T2105] ------------[ cut here ]------------
| [ 182.603776][ T2105] WARNING: CPU: 3 PID: 2105 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) 
| [  182.604352][ T2105] Modules linked in: vxlan
| [  182.605257][ T2105] Tainted: [W]=WARN
[  182.605496][ T2105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 182.607016][ T2105] 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) 
[ 182.607321][ T2105] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  182.608397][ T2105] RSP: 0018:ffffc90004586ef0 EFLAGS: 00010246
[  182.608789][ T2105] RAX: 0000000000000000 RBX: ffff88800a18a000 RCX: 0000000000000001
[  182.609230][ T2105] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  182.609668][ T2105] RBP: ffffc90004586fd8 R08: 0000000000000000 R09: 0000000000000000
[  182.610122][ T2105] R10: ffffc90004587008 R11: ffffffffa558d1e0 R12: 1ffff920008b0de2
[  182.610563][ T2105] R13: 00000000000005dc R14: ffffc90004587008 R15: ffff88800a18af48
[  182.611012][ T2105] FS:  00007fd34ff4d800(0000) GS:ffff8880c5f19000(0000) knlGS:0000000000000000
[  182.611573][ T2105] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  182.611953][ T2105] CR2: 00000000004e6890 CR3: 00000000022f0005 CR4: 0000000000772ef0
[  182.612397][ T2105] PKRU: 55555554
[  182.612615][ T2105] Call Trace:
[  182.612859][ T2105]  <TASK>
[ 182.613017][ T2105] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 182.613311][ T2105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 182.613624][ T2105] netif_set_mtu (net/core/dev.c:9652) 
[ 182.613925][ T2105] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 182.614236][ T2105] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 182.614458][ T2105] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 182.614760][ T2105] br_add_if (net/bridge/br_if.c:697) 
[ 182.614996][ T2105] do_set_master (net/core/rtnetlink.c:2948) 
[ 182.615291][ T2105] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 182.615598][ T2105] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 182.615916][ T2105] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 182.616291][ T2105] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 182.616582][ T2105] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 182.616881][ T2105] ? __kernel_text_address (kernel/extable.c:79) 
[ 182.617180][ T2105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 182.617477][ T2105] ? __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) 
[ 182.617778][ T2105] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 182.618153][ T2105] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 182.618450][ T2105] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 182.618752][ T2105] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 182.619049][ T2105] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 182.619345][ T2105] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 182.619639][ T2105] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 182.619937][ T2105] ? __create_object (mm/kmemleak.c:771) 
[ 182.620244][ T2105] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 182.620541][ T2105] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 182.620846][ T2105] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 182.621213][ T2105] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 182.621514][ T2105] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 182.621821][ T2105] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 182.622117][ T2105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 182.622419][ T2105] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 182.622730][ T2105] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 182.623023][ T2105] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 182.623320][ T2105] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 182.623615][ T2105] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 182.623919][ T2105] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 182.624219][ T2105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 182.624519][ T2105] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 182.624824][ T2105] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 182.625132][ T2105] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 182.625449][ T2105] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 182.625751][ T2105] ? 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) 
[ 182.626048][ T2105] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 182.626345][ T2105] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 182.626639][ T2105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 182.626953][ T2105] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 182.627252][ T2105] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 182.627550][ T2105] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 182.627863][ T2105] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 182.628160][ T2105] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 182.628455][ T2105] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 182.628846][ T2105] ___sys_sendmsg (net/socket.c:2670) 
[ 182.629147][ T2105] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 182.629446][ T2105] ? __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) 
[ 182.629819][ T2105] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 182.630119][ T2105] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 182.630417][ T2105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 182.630725][ T2105] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 182.631018][ T2105] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 182.631311][ T2105] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 182.631618][ T2105] __sys_sendmsg (net/socket.c:2700) 
[ 182.631918][ T2105] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 182.632284][ T2105] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 182.632592][ T2105] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 182.632896][ T2105] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 182.633193][ T2105] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  182.633555][ T2105] RIP: 0033:0x7fd35011a1e7
[ 182.633875][ T2105] 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)
[  182.634939][ T2105] RSP: 002b:00007fffdf242608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  182.635392][ T2105] RAX: ffffffffffffffda RBX: 00007fffdf242d40 RCX: 00007fd35011a1e7
[  182.635847][ T2105] RDX: 0000000000000000 RSI: 00007fffdf242670 RDI: 0000000000000005
[  182.636291][ T2105] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  182.636743][ T2105] R10: 000000000ebab910 R11: 0000000000000246 R12: 0000000000000003
[  182.637186][ T2105] R13: 00000000686e1c96 R14: 0000000000499600 R15: 0000000000000000
| [  184.216068][ T2131] ------------[ cut here ]------------
| [ 184.216395][ T2131] WARNING: CPU: 2 PID: 2131 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) 
| [  184.217025][ T2131] Modules linked in: vxlan
| [  184.217969][ T2131] Tainted: [W]=WARN
[  184.218210][ T2131] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.218599][ T2131] 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) 
[ 184.218939][ T2131] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  184.220024][ T2131] RSP: 0018:ffffc90004606ef0 EFLAGS: 00010246
[  184.220418][ T2131] RAX: 0000000000000000 RBX: ffff88800a18a000 RCX: 0000000000000001
[  184.220896][ T2131] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  184.221360][ T2131] RBP: ffffc90004606fd8 R08: 0000000000000000 R09: 0000000000000000
[  184.221838][ T2131] R10: ffffc90004607008 R11: ffffffffa5eceab8 R12: 1ffff920008c0de2
[  184.222297][ T2131] R13: 00000000000005aa R14: ffffc90004607008 R15: ffff88800a18af48
[  184.222767][ T2131] FS:  00007efe47351800(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[  184.223311][ T2131] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  184.223710][ T2131] CR2: 00000000004e6890 CR3: 000000000df3f005 CR4: 0000000000772ef0
[  184.224176][ T2131] PKRU: 55555554
[  184.224415][ T2131] Call Trace:
[  184.224655][ T2131]  <TASK>
[ 184.224835][ T2131] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 184.225162][ T2131] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 184.225485][ T2131] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 184.225884][ T2131] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 184.226197][ T2131] netif_set_mtu (net/core/dev.c:9652) 
[ 184.226510][ T2131] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 184.226846][ T2131] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 184.227235][ T2131] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 184.227484][ T2131] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 184.227811][ T2131] br_add_if (net/bridge/br_if.c:697) 
[ 184.228063][ T2131] do_set_master (net/core/rtnetlink.c:2948) 
[ 184.228377][ T2131] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 184.228719][ T2131] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 184.229049][ T2131] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 184.229442][ T2131] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 184.229774][ T2131] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 184.230090][ T2131] ? __kernel_text_address (kernel/extable.c:79) 
[ 184.230404][ T2131] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 184.230729][ T2131] ? __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) 
[ 184.231043][ T2131] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 184.231429][ T2131] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 184.231753][ T2131] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 184.232084][ T2131] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 184.232398][ T2131] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 184.232721][ T2131] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 184.233035][ T2131] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 184.233347][ T2131] ? __create_object (mm/kmemleak.c:771) 
[ 184.233660][ T2131] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 184.233986][ T2131] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 184.234303][ T2131] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 184.234703][ T2131] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 184.235025][ T2131] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 184.235354][ T2131] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 184.235669][ T2131] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 184.236003][ T2131] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 184.236317][ T2131] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 184.236630][ T2131] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 184.236957][ T2131] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 184.237277][ T2131] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 184.237595][ T2131] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 184.237926][ T2131] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 184.238246][ T2131] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 184.238560][ T2131] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 184.238887][ T2131] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 184.239212][ T2131] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 184.239530][ T2131] ? 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) 
[ 184.239854][ T2131] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 184.240172][ T2131] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 184.240484][ T2131] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 184.240820][ T2131] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 184.241138][ T2131] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 184.241452][ T2131] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 184.241789][ T2131] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 184.242107][ T2131] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 184.242418][ T2131] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 184.242826][ T2131] ___sys_sendmsg (net/socket.c:2670) 
[ 184.243138][ T2131] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 184.243452][ T2131] ? __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) 
[ 184.243847][ T2131] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 184.244172][ T2131] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 184.244488][ T2131] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 184.244827][ T2131] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 184.245143][ T2131] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 184.245464][ T2131] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 184.245795][ T2131] __sys_sendmsg (net/socket.c:2700) 
[ 184.246109][ T2131] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 184.246497][ T2131] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 184.246835][ T2131] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 184.247151][ T2131] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 184.247467][ T2131] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  184.247861][ T2131] RIP: 0033:0x7efe4751e1e7
[ 184.248188][ T2131] 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)
[  184.249285][ T2131] RSP: 002b:00007ffff39580e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  184.249760][ T2131] RAX: ffffffffffffffda RBX: 00007ffff3958820 RCX: 00007efe4751e1e7
[  184.250219][ T2131] RDX: 0000000000000000 RSI: 00007ffff3958150 RDI: 0000000000000005
[  184.250689][ T2131] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  184.251158][ T2131] R10: 0000000005872910 R11: 0000000000000246 R12: 0000000000000003
[  184.251622][ T2131] R13: 00000000686e1c97 R14: 0000000000499600 R15: 0000000000000000
| [  187.896188][ T2182] ------------[ cut here ]------------
| [ 187.896492][ T2182] WARNING: CPU: 3 PID: 2182 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) 
| [  187.897094][ T2182] Modules linked in: vxlan
| [  187.898025][ T2182] Tainted: [W]=WARN
[  187.898258][ T2182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 187.898635][ T2182] 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) 
[ 187.898951][ T2182] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  187.900038][ T2182] RSP: 0018:ffffc90004716ef0 EFLAGS: 00010246
[  187.900419][ T2182] RAX: 0000000000000000 RBX: ffff888011c5a000 RCX: 0000000000000001
[  187.900890][ T2182] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  187.901348][ T2182] RBP: ffffc90004716fd8 R08: 0000000000000000 R09: 0000000000000000
[  187.901806][ T2182] R10: ffffc90004717008 R11: ffffffffa558d1e0 R12: 1ffff920008e2de2
[  187.902249][ T2182] R13: 00000000000005dc R14: ffffc90004717008 R15: ffff888011c5af48
[  187.902704][ T2182] FS:  00007f35de501800(0000) GS:ffff8880c5f19000(0000) knlGS:0000000000000000
[  187.903245][ T2182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  187.903623][ T2182] CR2: 00000000004e6898 CR3: 000000000dfef002 CR4: 0000000000772ef0
[  187.904087][ T2182] PKRU: 55555554
[  187.904312][ T2182] Call Trace:
[  187.904535][ T2182]  <TASK>
[ 187.904703][ T2182] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 187.905008][ T2182] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 187.905328][ T2182] netif_set_mtu (net/core/dev.c:9652) 
[ 187.905638][ T2182] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 187.905967][ T2182] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 187.906197][ T2182] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 187.906498][ T2182] br_add_if (net/bridge/br_if.c:697) 
[ 187.906747][ T2182] do_set_master (net/core/rtnetlink.c:2948) 
[ 187.907049][ T2182] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 187.907354][ T2182] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 187.907667][ T2182] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 187.908064][ T2182] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 187.908365][ T2182] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 187.908664][ T2182] ? __kernel_text_address (kernel/extable.c:79) 
[ 187.908979][ T2182] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 187.909283][ T2182] ? __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) 
[ 187.909594][ T2182] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 187.909977][ T2182] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 187.910281][ T2182] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 187.910577][ T2182] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 187.910906][ T2182] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 187.911209][ T2182] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 187.911507][ T2182] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 187.911830][ T2182] ? __create_object (mm/kmemleak.c:771) 
[ 187.912140][ T2182] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 187.912440][ T2182] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 187.912753][ T2182] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 187.913125][ T2182] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 187.913435][ T2182] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 187.913749][ T2182] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 187.914051][ T2182] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 187.914358][ T2182] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 187.914664][ T2182] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 187.914972][ T2182] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 187.915273][ T2182] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 187.915587][ T2182] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 187.915896][ T2182] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 187.916205][ T2182] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 187.916509][ T2182] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 187.916827][ T2182] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 187.917126][ T2182] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 187.917437][ T2182] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 187.917742][ T2182] ? 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) 
[ 187.918044][ T2182] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 187.918344][ T2182] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 187.918640][ T2182] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 187.918960][ T2182] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 187.919261][ T2182] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 187.919558][ T2182] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 187.919883][ T2182] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 187.920190][ T2182] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 187.920486][ T2182] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 187.920878][ T2182] ___sys_sendmsg (net/socket.c:2670) 
[ 187.921189][ T2182] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 187.921489][ T2182] ? __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) 
[ 187.921876][ T2182] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 187.922180][ T2182] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 187.922482][ T2182] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 187.922797][ T2182] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 187.923098][ T2182] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 187.923405][ T2182] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 187.923720][ T2182] __sys_sendmsg (net/socket.c:2700) 
[ 187.924020][ T2182] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 187.924387][ T2182] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 187.924710][ T2182] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 187.925010][ T2182] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 187.925312][ T2182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  187.925701][ T2182] RIP: 0033:0x7f35de6ce1e7
[ 187.926018][ T2182] 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)
[  187.927090][ T2182] RSP: 002b:00007ffdff646308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  187.927537][ T2182] RAX: ffffffffffffffda RBX: 00007ffdff646a40 RCX: 00007f35de6ce1e7
[  187.928003][ T2182] RDX: 0000000000000000 RSI: 00007ffdff646370 RDI: 0000000000000005
[  187.928448][ T2182] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  187.928903][ T2182] R10: 000000000a7dd910 R11: 0000000000000246 R12: 0000000000000003
[  187.929350][ T2182] R13: 00000000686e1c9b R14: 0000000000499600 R15: 0000000000000000
| [  189.495168][ T2208] ------------[ cut here ]------------
| [ 189.495496][ T2208] WARNING: CPU: 3 PID: 2208 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) 
| [  189.496172][ T2208] Modules linked in: vxlan
| [  189.497160][ T2208] Tainted: [W]=WARN
[  189.497399][ T2208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 189.497807][ T2208] 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) 
[ 189.498134][ T2208] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  189.499272][ T2208] RSP: 0018:ffffc90004826ef0 EFLAGS: 00010246
[  189.499667][ T2208] RAX: 0000000000000000 RBX: ffff888011c5a000 RCX: 0000000000000001
[  189.500153][ T2208] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  189.500622][ T2208] RBP: ffffc90004826fd8 R08: 0000000000000000 R09: 0000000000000000
[  189.501114][ T2208] R10: ffffc90004827008 R11: ffffffffa5eceab8 R12: 1ffff92000904de2
[  189.501589][ T2208] R13: 0000000000000596 R14: ffffc90004827008 R15: ffff888011c5af48
[  189.502071][ T2208] FS:  00007fcbf1db7800(0000) GS:ffff8880c5f19000(0000) knlGS:0000000000000000
[  189.502623][ T2208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  189.503029][ T2208] CR2: 00000000004e6898 CR3: 000000000548e005 CR4: 0000000000772ef0
[  189.503509][ T2208] PKRU: 55555554
[  189.503753][ T2208] Call Trace:
[  189.503987][ T2208]  <TASK>
[ 189.504151][ T2208] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 189.504477][ T2208] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 189.504805][ T2208] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 189.505199][ T2208] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 189.505533][ T2208] netif_set_mtu (net/core/dev.c:9652) 
[ 189.505858][ T2208] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 189.506187][ T2208] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 189.506589][ T2208] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 189.506839][ T2208] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 189.507161][ T2208] br_add_if (net/bridge/br_if.c:697) 
[ 189.507412][ T2208] do_set_master (net/core/rtnetlink.c:2948) 
[ 189.507737][ T2208] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 189.508061][ T2208] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 189.508381][ T2208] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 189.508791][ T2208] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 189.509110][ T2208] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 189.509422][ T2208] ? __kernel_text_address (kernel/extable.c:79) 
[ 189.509753][ T2208] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 189.510106][ T2208] ? __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) 
[ 189.510409][ T2208] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 189.510791][ T2208] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 189.511092][ T2208] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 189.511389][ T2208] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 189.511701][ T2208] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 189.512002][ T2208] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 189.512303][ T2208] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 189.512605][ T2208] ? __create_object (mm/kmemleak.c:771) 
[ 189.512919][ T2208] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 189.513221][ T2208] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 189.513521][ T2208] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 189.513903][ T2208] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 189.514214][ T2208] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 189.514519][ T2208] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 189.514833][ T2208] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 189.515141][ T2208] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 189.515450][ T2208] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 189.515757][ T2208] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 189.516064][ T2208] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 189.516364][ T2208] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 189.516663][ T2208] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 189.516981][ T2208] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 189.517290][ T2208] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 189.517587][ T2208] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 189.517899][ T2208] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 189.518215][ T2208] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 189.518514][ T2208] ? 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) 
[ 189.518823][ T2208] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 189.519126][ T2208] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 189.519432][ T2208] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 189.519766][ T2208] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 189.520074][ T2208] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 189.520372][ T2208] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 189.520691][ T2208] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 189.520995][ T2208] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 189.521293][ T2208] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 189.521702][ T2208] ___sys_sendmsg (net/socket.c:2670) 
[ 189.522000][ T2208] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 189.522296][ T2208] ? __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) 
[ 189.522670][ T2208] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 189.522987][ T2208] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 189.523286][ T2208] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 189.523592][ T2208] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 189.523911][ T2208] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 189.524211][ T2208] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 189.524516][ T2208] __sys_sendmsg (net/socket.c:2700) 
[ 189.524826][ T2208] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 189.525204][ T2208] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 189.525524][ T2208] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 189.525834][ T2208] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 189.526134][ T2208] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  189.526510][ T2208] RIP: 0033:0x7fcbf1f841e7
[ 189.526839][ T2208] 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)
[  189.528653][ T2208] RSP: 002b:00007ffdd8ab6558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  189.529127][ T2208] RAX: ffffffffffffffda RBX: 00007ffdd8ab6c90 RCX: 00007fcbf1f841e7
[  189.529574][ T2208] RDX: 0000000000000000 RSI: 00007ffdd8ab65c0 RDI: 0000000000000005
[  189.530030][ T2208] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  189.530476][ T2208] R10: 0000000027b9b910 R11: 0000000000000246 R12: 0000000000000003
[  189.530937][ T2208] R13: 00000000686e1c9d R14: 0000000000499600 R15: 0000000000000000
| [  194.195913][   T67] ------------[ cut here ]------------
| [ 194.196299][ T67] WARNING: CPU: 2 PID: 67 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) 
| [  194.196907][   T67] Modules linked in: vxlan
| [  194.198025][   T67] Tainted: [W]=WARN
[  194.198290][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  194.198725][   T67] Workqueue: netns cleanup_net
[ 194.199082][ T67] 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) 
[ 194.199427][ T67] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  194.200629][   T67] RSP: 0018:ffffc90000487360 EFLAGS: 00010246
[  194.201079][   T67] RAX: 0000000000000000 RBX: ffff888011c5a000 RCX: 0000000000000001
[  194.201589][   T67] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  194.202113][   T67] RBP: ffffc90000487450 R08: 0000000000000000 R09: 0000000000000000
[  194.202626][   T67] R10: ffffc90000487480 R11: ffffffffa558d1e0 R12: 1ffff92000090e70
[  194.203150][   T67] R13: 00000000000005dc R14: ffffc90000487480 R15: ffff888011c5af48
[  194.203653][   T67] FS:  0000000000000000(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[  194.204258][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  194.204698][   T67] CR2: 00007f2b006b9000 CR3: 000000002554a003 CR4: 0000000000772ef0
[  194.205205][   T67] PKRU: 55555554
[  194.205496][   T67] Call Trace:
[  194.205770][   T67]  <TASK>
[ 194.205949][ T67] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 194.206295][ T67] ? __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) 
[ 194.206730][ T67] ? br_del_if (net/bridge/br_if.c:742) 
[ 194.207000][ T67] ? br_device_event (net/bridge/br.c:141) 
[ 194.207340][ T67] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 194.207689][ T67] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 194.208043][ T67] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 194.208458][ T67] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 194.208885][ T67] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 194.209224][ T67] ? cleanup_net (net/core/net_namespace.c:684) 
[ 194.209564][ T67] ? process_one_work (kernel/workqueue.c:3238) 
[ 194.209914][ T67] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 194.210260][ T67] ? kthread (kernel/kthread.c:464) 
[ 194.210516][ T67] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 194.210869][ T67] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 194.211222][ T67] netif_set_mtu (net/core/dev.c:9652) 
[ 194.211574][ T67] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 194.211950][ T67] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 194.212217][ T67] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 194.212560][ T67] br_del_if (net/bridge/br_if.c:743) 
[ 194.212841][ T67] br_device_event (net/bridge/br.c:141) 
[ 194.213180][ T67] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 194.213528][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 194.213894][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 194.214325][ T67] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 194.214780][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 194.215208][ T67] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 194.215584][ T67] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 194.216029][ T67] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 194.216468][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 194.216829][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 194.217265][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 194.217610][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 194.218050][ T67] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 194.218466][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 194.218900][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 194.219336][ T67] default_device_exit_batch (net/core/dev.c:12673) 
[ 194.219708][ T67] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 194.220153][ T67] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 194.220495][ T67] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 194.220853][ T67] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 194.221206][ T67] cleanup_net (net/core/net_namespace.c:684) 
[ 194.221545][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 194.221906][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 194.222255][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 194.222609][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 194.222967][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 194.223319][ T67] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 194.223671][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 194.224025][ T67] kthread (kernel/kthread.c:464) 
[ 194.224279][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 194.224616][ T67] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 194.224967][ T67] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 194.225308][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 194.225661][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 194.226020][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 194.226357][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 194.226707][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  194.255901][   T67] ------------[ cut here ]------------
| [ 194.256266][ T67] WARNING: CPU: 2 PID: 67 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) 
| [  194.257450][   T67] Modules linked in: vxlan
| [  194.258583][   T67] Tainted: [W]=WARN
[  194.258859][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  194.259273][   T67] Workqueue: netns cleanup_net
[ 194.259630][ T67] 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) 
[ 194.259988][ T67] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  194.261171][   T67] RSP: 0018:ffffc90000487360 EFLAGS: 00010246
[  194.261599][   T67] RAX: 0000000000000000 RBX: ffff88800a18a000 RCX: 0000000000000001
[  194.262112][   T67] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  194.262615][   T67] RBP: ffffc90000487450 R08: 0000000000000000 R09: 0000000000000000
[  194.263139][   T67] R10: ffffc90000487480 R11: ffffffffa558d1e0 R12: 1ffff92000090e70
[  194.263645][   T67] R13: 00000000000005dc R14: ffffc90000487480 R15: ffff88800a18af48
[  194.264160][   T67] FS:  0000000000000000(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[  194.264758][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  194.265196][   T67] CR2: 00007f2b006b9000 CR3: 000000002554a003 CR4: 0000000000772ef0
[  194.265728][   T67] PKRU: 55555554
[  194.265990][   T67] Call Trace:
[  194.266251][   T67]  <TASK>
[ 194.266431][ T67] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 194.266793][ T67] ? __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) 
[ 194.267218][ T67] ? br_del_if (net/bridge/br_if.c:742) 
[ 194.267485][ T67] ? br_device_event (net/bridge/br.c:141) 
[ 194.267839][ T67] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 194.268191][ T67] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 194.268533][ T67] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 194.268959][ T67] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 194.269366][ T67] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 194.269725][ T67] ? cleanup_net (net/core/net_namespace.c:684) 
[ 194.270069][ T67] ? process_one_work (kernel/workqueue.c:3238) 
[ 194.270410][ T67] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 194.270752][ T67] ? kthread (kernel/kthread.c:464) 
[ 194.271014][ T67] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 194.271355][ T67] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 194.271719][ T67] netif_set_mtu (net/core/dev.c:9652) 
[ 194.272061][ T67] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 194.272427][ T67] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 194.272704][ T67] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 194.273058][ T67] br_del_if (net/bridge/br_if.c:743) 
[ 194.273322][ T67] br_device_event (net/bridge/br.c:141) 
[ 194.273663][ T67] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 194.274023][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 194.274367][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 194.274812][ T67] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 194.275249][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 194.275702][ T67] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 194.276060][ T67] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 194.276496][ T67] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 194.276953][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 194.277306][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 194.277741][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 194.278085][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 194.278514][ T67] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 194.278943][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 194.279361][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 194.279808][ T67] default_device_exit_batch (net/core/dev.c:12673) 
[ 194.280150][ T67] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 194.280582][ T67] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 194.280945][ T67] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 194.281282][ T67] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 194.281631][ T67] cleanup_net (net/core/net_namespace.c:684) 
[ 194.281985][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 194.282337][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 194.282693][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 194.283041][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 194.283385][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 194.283739][ T67] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 194.284087][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 194.284436][ T67] kthread (kernel/kthread.c:464) 
[ 194.284711][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 194.285059][ T67] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 194.285405][ T67] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 194.285763][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 194.286105][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 194.286468][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 194.286859][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 194.287202][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  217.183461][ T2457] ------------[ cut here ]------------
| [ 217.183794][ T2457] WARNING: CPU: 0 PID: 2457 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) 
| [  217.184422][ T2457] Modules linked in: vxlan
| [  217.185401][ T2457] Tainted: [W]=WARN
[  217.185646][ T2457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 217.186045][ T2457] 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) 
[ 217.186370][ T2457] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  217.187520][ T2457] RSP: 0018:ffffc90005306ef0 EFLAGS: 00010246
[  217.187925][ T2457] RAX: 0000000000000000 RBX: ffff888011aca000 RCX: 0000000000000001
[  217.188405][ T2457] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  217.188886][ T2457] RBP: ffffc90005306fd8 R08: 0000000000000000 R09: 0000000000000000
[  217.189354][ T2457] R10: ffffc90005307008 R11: ffffffffa558d1e0 R12: 1ffff92000a60de2
[  217.189829][ T2457] R13: 00000000000005dc R14: ffffc90005307008 R15: ffff888011acaf48
[  217.190302][ T2457] FS:  00007f1cb6c6b800(0000) GS:ffff8880c5d99000(0000) knlGS:0000000000000000
[  217.190855][ T2457] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  217.191258][ T2457] CR2: 00000000004e6890 CR3: 0000000012156003 CR4: 0000000000772ef0
[  217.191745][ T2457] PKRU: 55555554
[  217.191981][ T2457] Call Trace:
[  217.192215][ T2457]  <TASK>
[ 217.192375][ T2457] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 217.192694][ T2457] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 217.193020][ T2457] netif_set_mtu (net/core/dev.c:9652) 
[ 217.193330][ T2457] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 217.193661][ T2457] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 217.193906][ T2457] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 217.194226][ T2457] br_add_if (net/bridge/br_if.c:697) 
[ 217.194471][ T2457] do_set_master (net/core/rtnetlink.c:2948) 
[ 217.194784][ T2457] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 217.195101][ T2457] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 217.195425][ T2457] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 217.195828][ T2457] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 217.196144][ T2457] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 217.196452][ T2457] ? __kernel_text_address (kernel/extable.c:79) 
[ 217.196788][ T2457] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 217.197101][ T2457] ? __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) 
[ 217.197415][ T2457] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 217.197805][ T2457] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 217.198119][ T2457] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 217.198434][ T2457] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 217.198756][ T2457] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 217.199069][ T2457] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 217.199378][ T2457] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 217.199710][ T2457] ? __create_object (mm/kmemleak.c:771) 
[ 217.200021][ T2457] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 217.200333][ T2457] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 217.200649][ T2457] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 217.201042][ T2457] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 217.201363][ T2457] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 217.201686][ T2457] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 217.202009][ T2457] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 217.202325][ T2457] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 217.202638][ T2457] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 217.202982][ T2457] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 217.203289][ T2457] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 217.203582][ T2457] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 217.203894][ T2457] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 217.204194][ T2457] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 217.204492][ T2457] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 217.204792][ T2457] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 217.205088][ T2457] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 217.205408][ T2457] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 217.205709][ T2457] ? 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) 
[ 217.206010][ T2457] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 217.206307][ T2457] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 217.206599][ T2457] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 217.206920][ T2457] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 217.207259][ T2457] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 217.207563][ T2457] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 217.207874][ T2457] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 217.208177][ T2457] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 217.208478][ T2457] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 217.208882][ T2457] ___sys_sendmsg (net/socket.c:2670) 
[ 217.209183][ T2457] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 217.209478][ T2457] ? __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) 
[ 217.209861][ T2457] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 217.210166][ T2457] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 217.210464][ T2457] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 217.210772][ T2457] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 217.211072][ T2457] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 217.211364][ T2457] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 217.211664][ T2457] __sys_sendmsg (net/socket.c:2700) 
[ 217.211964][ T2457] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 217.212333][ T2457] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 217.212639][ T2457] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 217.212942][ T2457] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 217.213241][ T2457] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  217.213605][ T2457] RIP: 0033:0x7f1cb6e381e7
[ 217.213920][ T2457] 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)
[  217.215010][ T2457] RSP: 002b:00007ffe35add9e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  217.215466][ T2457] RAX: ffffffffffffffda RBX: 00007ffe35ade120 RCX: 00007f1cb6e381e7
[  217.215914][ T2457] RDX: 0000000000000000 RSI: 00007ffe35adda50 RDI: 0000000000000005
[  217.216361][ T2457] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  217.216813][ T2457] R10: 000000001762b910 R11: 0000000000000246 R12: 0000000000000003
[  217.217252][ T2457] R13: 00000000686e1cb8 R14: 0000000000499600 R15: 0000000000000000
| [  218.695519][ T2483] ------------[ cut here ]------------
| [ 218.695919][ T2483] WARNING: CPU: 1 PID: 2483 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) 
| [  218.696544][ T2483] Modules linked in: vxlan
| [  218.699143][ T2483] Tainted: [W]=WARN
[  218.699377][ T2483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 218.699795][ T2483] 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) 
[ 218.700122][ T2483] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  218.701252][ T2483] RSP: 0018:ffffc900053b6ef0 EFLAGS: 00010246
[  218.701650][ T2483] RAX: 0000000000000000 RBX: ffff888011aca000 RCX: 0000000000000001
[  218.702133][ T2483] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  218.702605][ T2483] RBP: ffffc900053b6fd8 R08: 0000000000000000 R09: 0000000000000000
[  218.703088][ T2483] R10: ffffc900053b7008 R11: ffffffffa5eceab8 R12: 1ffff92000a76de2
[  218.703559][ T2483] R13: 00000000000005aa R14: ffffc900053b7008 R15: ffff888011acaf48
[  218.704053][ T2483] FS:  00007fa0d445a800(0000) GS:ffff8880c5e19000(0000) knlGS:0000000000000000
[  218.704607][ T2483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  218.705027][ T2483] CR2: 00000000004e6890 CR3: 000000000ab20006 CR4: 0000000000772ef0
[  218.705510][ T2483] PKRU: 55555554
[  218.705755][ T2483] Call Trace:
[  218.705991][ T2483]  <TASK>
[ 218.706161][ T2483] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 218.706481][ T2483] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 218.706809][ T2483] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 218.707202][ T2483] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 218.707521][ T2483] netif_set_mtu (net/core/dev.c:9652) 
[ 218.707856][ T2483] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 218.708190][ T2483] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 218.708594][ T2483] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 218.708848][ T2483] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 218.709172][ T2483] br_add_if (net/bridge/br_if.c:697) 
[ 218.709421][ T2483] do_set_master (net/core/rtnetlink.c:2948) 
[ 218.709744][ T2483] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 218.710065][ T2483] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 218.710398][ T2483] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 218.710816][ T2483] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 218.711132][ T2483] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 218.711446][ T2483] ? __kernel_text_address (kernel/extable.c:79) 
[ 218.711802][ T2483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.712125][ T2483] ? __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) 
[ 218.712443][ T2483] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 218.712846][ T2483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 218.713174][ T2483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 218.713486][ T2483] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 218.713811][ T2483] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 218.714128][ T2483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 218.714443][ T2483] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 218.714765][ T2483] ? __create_object (mm/kmemleak.c:771) 
[ 218.715139][ T2483] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 218.715472][ T2483] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 218.715828][ T2483] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 218.716241][ T2483] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 218.716566][ T2483] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 218.716903][ T2483] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 218.717220][ T2483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.717557][ T2483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 218.717894][ T2483] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 218.718215][ T2483] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 218.718534][ T2483] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 218.718859][ T2483] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 218.719174][ T2483] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 218.719491][ T2483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.719830][ T2483] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 218.720151][ T2483] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 218.720468][ T2483] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 218.720815][ T2483] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 218.721135][ T2483] ? 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) 
[ 218.721451][ T2483] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 218.721780][ T2483] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 218.722106][ T2483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.722446][ T2483] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 218.722798][ T2483] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 218.723142][ T2483] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 218.723480][ T2483] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 218.723833][ T2483] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 218.724151][ T2483] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 218.724557][ T2483] ___sys_sendmsg (net/socket.c:2670) 
[ 218.724883][ T2483] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 218.725197][ T2483] ? __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) 
[ 218.725610][ T2483] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 218.725941][ T2483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 218.726261][ T2483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.726601][ T2483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 218.726933][ T2483] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 218.727253][ T2483] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 218.727575][ T2483] __sys_sendmsg (net/socket.c:2700) 
[ 218.727917][ T2483] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 218.728317][ T2483] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 218.728646][ T2483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 218.728978][ T2483] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 218.729313][ T2483] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  218.729714][ T2483] RIP: 0033:0x7fa0d46271e7
[ 218.730043][ T2483] 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)
[  218.731189][ T2483] RSP: 002b:00007ffcd01d3e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  218.731664][ T2483] RAX: ffffffffffffffda RBX: 00007ffcd01d45c0 RCX: 00007fa0d46271e7
[  218.732156][ T2483] RDX: 0000000000000000 RSI: 00007ffcd01d3ef0 RDI: 0000000000000005
[  218.732640][ T2483] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  218.733125][ T2483] R10: 0000000024562910 R11: 0000000000000246 R12: 0000000000000003
[  218.733603][ T2483] R13: 00000000686e1cba R14: 0000000000499600 R15: 0000000000000000
| [  222.362885][ T2534] ------------[ cut here ]------------
| [ 222.363195][ T2534] WARNING: CPU: 1 PID: 2534 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) 
| [  222.364458][ T2534] Modules linked in: vxlan
| [  222.365501][ T2534] Tainted: [W]=WARN
[  222.365758][ T2534] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 222.366156][ T2534] 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) 
[ 222.366491][ T2534] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  222.367636][ T2534] RSP: 0018:ffffc90005556ef0 EFLAGS: 00010246
[  222.368068][ T2534] RAX: 0000000000000000 RBX: ffff88801056a000 RCX: 0000000000000001
[  222.368545][ T2534] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  222.369028][ T2534] RBP: ffffc90005556fd8 R08: 0000000000000000 R09: 0000000000000000
[  222.369507][ T2534] R10: ffffc90005557008 R11: ffffffffa558d1e0 R12: 1ffff92000aaade2
[  222.370004][ T2534] R13: 00000000000005dc R14: ffffc90005557008 R15: ffff88801056af48
[  222.370507][ T2534] FS:  00007f42cf0d6800(0000) GS:ffff8880c5e19000(0000) knlGS:0000000000000000
[  222.371057][ T2534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  222.371438][ T2534] CR2: 00000000004e6898 CR3: 0000000002cf2001 CR4: 0000000000772ef0
[  222.372045][ T2534] PKRU: 55555554
[  222.372274][ T2534] Call Trace:
[  222.372500][ T2534]  <TASK>
[ 222.372834][ T2534] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 222.373160][ T2534] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.373503][ T2534] netif_set_mtu (net/core/dev.c:9652) 
[ 222.373950][ T2534] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 222.374273][ T2534] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 222.374501][ T2534] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 222.374947][ T2534] br_add_if (net/bridge/br_if.c:697) 
[ 222.375186][ T2534] do_set_master (net/core/rtnetlink.c:2948) 
[ 222.375497][ T2534] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 222.375948][ T2534] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 222.376261][ T2534] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 222.376646][ T2534] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 222.377070][ T2534] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 222.377382][ T2534] ? __kernel_text_address (kernel/extable.c:79) 
[ 222.377705][ T2534] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.378009][ T2534] ? __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) 
[ 222.378324][ T2534] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 222.378713][ T2534] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 222.379016][ T2534] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 222.379312][ T2534] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 222.379609][ T2534] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 222.379922][ T2534] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 222.380224][ T2534] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 222.380520][ T2534] ? __create_object (mm/kmemleak.c:771) 
[ 222.380828][ T2534] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 222.381138][ T2534] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 222.381440][ T2534] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 222.381823][ T2534] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 222.382137][ T2534] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 222.382446][ T2534] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 222.382755][ T2534] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.383067][ T2534] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 222.383384][ T2534] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 222.383705][ T2534] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 222.384019][ T2534] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 222.384323][ T2534] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 222.384625][ T2534] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 222.384936][ T2534] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.385242][ T2534] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 222.385558][ T2534] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 222.385878][ T2534] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 222.386201][ T2534] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 222.386504][ T2534] ? 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) 
[ 222.386814][ T2534] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 222.387130][ T2534] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 222.387436][ T2534] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.387758][ T2534] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 222.388079][ T2534] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 222.388383][ T2534] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 222.388699][ T2534] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 222.389010][ T2534] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 222.389320][ T2534] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 222.389721][ T2534] ___sys_sendmsg (net/socket.c:2670) 
[ 222.390020][ T2534] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 222.390332][ T2534] ? __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) 
[ 222.390721][ T2534] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 222.391024][ T2534] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 222.391328][ T2534] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.391641][ T2534] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 222.391957][ T2534] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 222.392266][ T2534] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 222.392595][ T2534] __sys_sendmsg (net/socket.c:2700) 
[ 222.392907][ T2534] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 222.393291][ T2534] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 222.393605][ T2534] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 222.393920][ T2534] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 222.394223][ T2534] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  222.394594][ T2534] RIP: 0033:0x7f42cf2a31e7
[ 222.394917][ T2534] 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)
[  222.396020][ T2534] RSP: 002b:00007ffd66abc478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  222.396484][ T2534] RAX: ffffffffffffffda RBX: 00007ffd66abcbb0 RCX: 00007f42cf2a31e7
[  222.396956][ T2534] RDX: 0000000000000000 RSI: 00007ffd66abc4e0 RDI: 0000000000000005
[  222.397420][ T2534] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  222.397877][ T2534] R10: 000000001d3f9910 R11: 0000000000000246 R12: 0000000000000003
[  222.398327][ T2534] R13: 00000000686e1cbd R14: 0000000000499600 R15: 0000000000000000
| [  223.916109][ T2560] ------------[ cut here ]------------
| [ 223.916428][ T2560] WARNING: CPU: 2 PID: 2560 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) 
| [  223.917043][ T2560] Modules linked in: vxlan
| [  223.917982][ T2560] Tainted: [W]=WARN
[  223.918221][ T2560] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 223.918606][ T2560] 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) 
[ 223.918935][ T2560] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  223.920003][ T2560] RSP: 0018:ffffc900055f6ef0 EFLAGS: 00010246
[  223.920388][ T2560] RAX: 0000000000000000 RBX: ffff88801056a000 RCX: 0000000000000001
[  223.920864][ T2560] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  223.921318][ T2560] RBP: ffffc900055f6fd8 R08: 0000000000000000 R09: 0000000000000000
[  223.921780][ T2560] R10: ffffc900055f7008 R11: ffffffffa5eceab8 R12: 1ffff92000abede2
[  223.922231][ T2560] R13: 0000000000000596 R14: ffffc900055f7008 R15: ffff88801056af48
[  223.922699][ T2560] FS:  00007f783088b800(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[  223.923230][ T2560] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  223.923613][ T2560] CR2: 00000000004e6898 CR3: 0000000011e11003 CR4: 0000000000772ef0
[  223.924085][ T2560] PKRU: 55555554
[  223.924318][ T2560] Call Trace:
[  223.924548][ T2560]  <TASK>
[ 223.924732][ T2560] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 223.925047][ T2560] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 223.925352][ T2560] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 223.925755][ T2560] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 223.926065][ T2560] netif_set_mtu (net/core/dev.c:9652) 
[ 223.926372][ T2560] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 223.926699][ T2560] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 223.927090][ T2560] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 223.927327][ T2560] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 223.927639][ T2560] br_add_if (net/bridge/br_if.c:697) 
[ 223.927899][ T2560] do_set_master (net/core/rtnetlink.c:2948) 
[ 223.928204][ T2560] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 223.928516][ T2560] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 223.928846][ T2560] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 223.929240][ T2560] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 223.929546][ T2560] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 223.929861][ T2560] ? __kernel_text_address (kernel/extable.c:79) 
[ 223.930172][ T2560] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 223.930484][ T2560] ? __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) 
[ 223.930809][ T2560] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 223.931188][ T2560] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 223.931503][ T2560] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 223.931837][ T2560] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 223.932143][ T2560] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 223.932452][ T2560] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 223.932772][ T2560] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 223.933084][ T2560] ? __create_object (mm/kmemleak.c:771) 
[ 223.933394][ T2560] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 223.933712][ T2560] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 223.934029][ T2560] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 223.934408][ T2560] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 223.934733][ T2560] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 223.935049][ T2560] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 223.935352][ T2560] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 223.935720][ T2560] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 223.936031][ T2560] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 223.936342][ T2560] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 223.936659][ T2560] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 223.936984][ T2560] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 223.937294][ T2560] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 223.937607][ T2560] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 223.937929][ T2560] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 223.938248][ T2560] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 223.938555][ T2560] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 223.938903][ T2560] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 223.939211][ T2560] ? 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) 
[ 223.939519][ T2560] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 223.939844][ T2560] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 223.940152][ T2560] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 223.940463][ T2560] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 223.940793][ T2560] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 223.941108][ T2560] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 223.941425][ T2560] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 223.941750][ T2560] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 223.942057][ T2560] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 223.942449][ T2560] ___sys_sendmsg (net/socket.c:2670) 
[ 223.942780][ T2560] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 223.943101][ T2560] ? __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) 
[ 223.943489][ T2560] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 223.943817][ T2560] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 223.944129][ T2560] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 223.944442][ T2560] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 223.944765][ T2560] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 223.945074][ T2560] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 223.945386][ T2560] __sys_sendmsg (net/socket.c:2700) 
[ 223.945722][ T2560] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 223.946105][ T2560] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 223.946426][ T2560] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 223.946749][ T2560] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 223.947060][ T2560] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  223.947435][ T2560] RIP: 0033:0x7f7830a581e7
[ 223.947766][ T2560] 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)
[  223.948843][ T2560] RSP: 002b:00007ffd192d6a98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  223.949300][ T2560] RAX: ffffffffffffffda RBX: 00007ffd192d71d0 RCX: 00007f7830a581e7
[  223.949768][ T2560] RDX: 0000000000000000 RSI: 00007ffd192d6b00 RDI: 0000000000000005
[  223.950228][ T2560] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  223.950690][ T2560] R10: 000000000e63c910 R11: 0000000000000246 R12: 0000000000000003
[  223.951145][ T2560] R13: 00000000686e1cbf R14: 0000000000499600 R15: 0000000000000000
| [  227.552042][ T2610] ------------[ cut here ]------------
| [ 227.552374][ T2610] WARNING: CPU: 2 PID: 2610 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) 
| [  227.553886][ T2610] Modules linked in: vxlan
| [  227.554876][ T2610] Tainted: [W]=WARN
[  227.555124][ T2610] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 227.555534][ T2610] 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) 
[ 227.555895][ T2610] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  227.557027][ T2610] RSP: 0018:ffffc900057a6ef0 EFLAGS: 00010246
[  227.557443][ T2610] RAX: 0000000000000000 RBX: ffff888012c9a000 RCX: 0000000000000001
[  227.557945][ T2610] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  227.558420][ T2610] RBP: ffffc900057a6fd8 R08: 0000000000000000 R09: 0000000000000000
[  227.558908][ T2610] R10: ffffc900057a7008 R11: ffffffffa558d1e0 R12: 1ffff92000af4de2
[  227.559387][ T2610] R13: 00000000000005dc R14: ffffc900057a7008 R15: ffff888012c9af48
[  227.559889][ T2610] FS:  00007f6d734e7800(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[  227.560453][ T2610] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  227.560894][ T2610] CR2: 00000000004e68a0 CR3: 0000000012d2d003 CR4: 0000000000772ef0
[  227.561375][ T2610] PKRU: 55555554
[  227.561620][ T2610] Call Trace:
[  227.561877][ T2610]  <TASK>
[ 227.562052][ T2610] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 227.562383][ T2610] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 227.562728][ T2610] netif_set_mtu (net/core/dev.c:9652) 
[ 227.563054][ T2610] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 227.563392][ T2610] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 227.563639][ T2610] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 227.563991][ T2610] br_add_if (net/bridge/br_if.c:697) 
[ 227.564252][ T2610] do_set_master (net/core/rtnetlink.c:2948) 
[ 227.564581][ T2610] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 227.564917][ T2610] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 227.565247][ T2610] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 227.565666][ T2610] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 227.566003][ T2610] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 227.566322][ T2610] ? __kernel_text_address (kernel/extable.c:79) 
[ 227.566650][ T2610] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 227.567010][ T2610] ? __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) 
[ 227.567337][ T2610] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 227.567762][ T2610] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 227.568118][ T2610] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 227.568443][ T2610] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 227.568777][ T2610] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 227.569105][ T2610] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 227.569433][ T2610] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 227.569771][ T2610] ? __create_object (mm/kmemleak.c:771) 
[ 227.570099][ T2610] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 227.570423][ T2610] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 227.570763][ T2610] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 227.571156][ T2610] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 227.571486][ T2610] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 227.571836][ T2610] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 227.572166][ T2610] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 227.572494][ T2610] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 227.572830][ T2610] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 227.573150][ T2610] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 227.573473][ T2610] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 227.573802][ T2610] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 227.574131][ T2610] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 227.574456][ T2610] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 227.574799][ T2610] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 227.575125][ T2610] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 227.575458][ T2610] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 227.575815][ T2610] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 227.576139][ T2610] ? 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) 
[ 227.576464][ T2610] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 227.576802][ T2610] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 227.577126][ T2610] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 227.577454][ T2610] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 227.577790][ T2610] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 227.578113][ T2610] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 227.578443][ T2610] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 227.578776][ T2610] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 227.579096][ T2610] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 227.579511][ T2610] ___sys_sendmsg (net/socket.c:2670) 
[ 227.579851][ T2610] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 227.580176][ T2610] ? __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) 
[ 227.580571][ T2610] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 227.580907][ T2610] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 227.581233][ T2610] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 227.581563][ T2610] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 227.581900][ T2610] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 227.582224][ T2610] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 227.582553][ T2610] __sys_sendmsg (net/socket.c:2700) 
[ 227.582884][ T2610] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 227.583276][ T2610] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 227.583610][ T2610] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 227.583955][ T2610] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 227.584286][ T2610] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  227.584690][ T2610] RIP: 0033:0x7f6d736b41e7
[ 227.585024][ T2610] 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)
[  227.586152][ T2610] RSP: 002b:00007ffc3d376648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  227.586635][ T2610] RAX: ffffffffffffffda RBX: 00007ffc3d376d80 RCX: 00007f6d736b41e7
[  227.587124][ T2610] RDX: 0000000000000000 RSI: 00007ffc3d3766b0 RDI: 0000000000000005
[  227.587599][ T2610] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  227.588144][ T2610] R10: 000000002b2d2910 R11: 0000000000000246 R12: 0000000000000003
[  227.588628][ T2610] R13: 00000000686e1cc3 R14: 0000000000499600 R15: 0000000000000000
| [  229.184407][ T2636] ------------[ cut here ]------------
| [ 229.185203][ T2636] WARNING: CPU: 2 PID: 2636 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) 
| [  229.185841][ T2636] Modules linked in: vxlan
| [  229.186784][ T2636] Tainted: [W]=WARN
[  229.187029][ T2636] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.187410][ T2636] 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) 
[ 229.187749][ T2636] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  229.188850][ T2636] RSP: 0018:ffffc90005826ef0 EFLAGS: 00010246
[  229.189248][ T2636] RAX: 0000000000000000 RBX: ffff888012c9a000 RCX: 0000000000000001
[  229.189726][ T2636] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  229.190181][ T2636] RBP: ffffc90005826fd8 R08: 0000000000000000 R09: 0000000000000000
[  229.190640][ T2636] R10: ffffc90005827008 R11: ffffffffa558d1e0 R12: 1ffff92000b04de2
[  229.191106][ T2636] R13: 00000000000005aa R14: ffffc90005827008 R15: ffff888012c9af48
[  229.191561][ T2636] FS:  00007f8f506fb800(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[  229.192108][ T2636] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  229.192492][ T2636] CR2: 00000000004e68a0 CR3: 0000000012e2c006 CR4: 0000000000772ef0
[  229.192964][ T2636] PKRU: 55555554
[  229.193198][ T2636] Call Trace:
[  229.193431][ T2636]  <TASK>
[ 229.193597][ T2636] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 229.193918][ T2636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 229.194238][ T2636] netif_set_mtu (net/core/dev.c:9652) 
[ 229.194547][ T2636] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 229.194876][ T2636] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 229.195114][ T2636] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 229.195442][ T2636] br_add_if (net/bridge/br_if.c:697) 
[ 229.195714][ T2636] do_set_master (net/core/rtnetlink.c:2948) 
[ 229.196022][ T2636] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 229.196335][ T2636] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 229.196647][ T2636] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 229.197044][ T2636] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 229.197350][ T2636] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 229.197660][ T2636] ? __kernel_text_address (kernel/extable.c:79) 
[ 229.197984][ T2636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 229.198296][ T2636] ? __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) 
[ 229.198605][ T2636] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 229.198994][ T2636] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 229.199303][ T2636] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 229.199607][ T2636] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 229.199940][ T2636] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 229.200259][ T2636] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 229.200567][ T2636] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 229.200883][ T2636] ? __create_object (mm/kmemleak.c:771) 
[ 229.201193][ T2636] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 229.201504][ T2636] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 229.201824][ T2636] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 229.202200][ T2636] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 229.202524][ T2636] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 229.202845][ T2636] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 229.203152][ T2636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 229.203463][ T2636] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 229.203790][ T2636] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 229.204097][ T2636] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 229.204407][ T2636] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 229.204722][ T2636] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 229.205036][ T2636] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 229.205346][ T2636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 229.205669][ T2636] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 229.205986][ T2636] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 229.206299][ T2636] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 229.206616][ T2636] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 229.206933][ T2636] ? 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) 
[ 229.207245][ T2636] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 229.207556][ T2636] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 229.207880][ T2636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 229.208201][ T2636] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 229.208509][ T2636] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 229.208828][ T2636] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 229.209143][ T2636] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 229.209456][ T2636] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 229.209772][ T2636] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 229.210164][ T2636] ___sys_sendmsg (net/socket.c:2670) 
[ 229.210471][ T2636] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 229.210799][ T2636] ? __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) 
[ 229.211181][ T2636] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 229.211493][ T2636] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 229.211827][ T2636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 229.212147][ T2636] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 229.212452][ T2636] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 229.212769][ T2636] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 229.213084][ T2636] __sys_sendmsg (net/socket.c:2700) 
[ 229.213392][ T2636] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 229.213778][ T2636] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 229.214102][ T2636] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 229.214412][ T2636] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 229.214730][ T2636] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  229.215106][ T2636] RIP: 0033:0x7f8f508c81e7
[ 229.215431][ T2636] 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)
[  229.216558][ T2636] RSP: 002b:00007ffe55e2be98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  229.217028][ T2636] RAX: ffffffffffffffda RBX: 00007ffe55e2c5d0 RCX: 00007f8f508c81e7
[  229.217481][ T2636] RDX: 0000000000000000 RSI: 00007ffe55e2bf00 RDI: 0000000000000005
[  229.217944][ T2636] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  229.218399][ T2636] R10: 000000000ace0910 R11: 0000000000000246 R12: 0000000000000003
[  229.218861][ T2636] R13: 00000000686e1cc4 R14: 0000000000499600 R15: 0000000000000000
| [  231.019668][ T2662] ------------[ cut here ]------------
| [ 231.019979][ T2662] WARNING: CPU: 0 PID: 2662 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) 
| [  231.020558][ T2662] Modules linked in: vxlan
| [  231.021472][ T2662] Tainted: [W]=WARN
[  231.021707][ T2662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 231.022080][ T2662] 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) 
[ 231.022383][ T2662] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  231.023452][ T2662] RSP: 0018:ffffc900058e6ef0 EFLAGS: 00010246
[  231.023833][ T2662] RAX: 0000000000000000 RBX: ffff888012c9a000 RCX: 0000000000000001
[  231.024280][ T2662] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  231.024731][ T2662] RBP: ffffc900058e6fd8 R08: 0000000000000000 R09: 0000000000000000
[  231.025175][ T2662] R10: ffffc900058e7008 R11: ffffffffa5eceab8 R12: 1ffff92000b1cde2
[  231.025631][ T2662] R13: 0000000000000596 R14: ffffc900058e7008 R15: ffff888012c9af48
[  231.026082][ T2662] FS:  00007f100e5db800(0000) GS:ffff8880c5d99000(0000) knlGS:0000000000000000
[  231.026604][ T2662] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  231.026989][ T2662] CR2: 00000000004e68a0 CR3: 0000000012dfb001 CR4: 0000000000772ef0
[  231.027434][ T2662] PKRU: 55555554
[  231.027657][ T2662] Call Trace:
[  231.027891][ T2662]  <TASK>
[ 231.028049][ T2662] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 231.028364][ T2662] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 231.028696][ T2662] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 231.029066][ T2662] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 231.029365][ T2662] netif_set_mtu (net/core/dev.c:9652) 
[ 231.029662][ T2662] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 231.029977][ T2662] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 231.030349][ T2662] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 231.030582][ T2662] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 231.030888][ T2662] br_add_if (net/bridge/br_if.c:697) 
[ 231.031124][ T2662] do_set_master (net/core/rtnetlink.c:2948) 
[ 231.031416][ T2662] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 231.031722][ T2662] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 231.032022][ T2662] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 231.032397][ T2662] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 231.032705][ T2662] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 231.032998][ T2662] ? __kernel_text_address (kernel/extable.c:79) 
[ 231.033294][ T2662] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.033591][ T2662] ? __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) 
[ 231.033894][ T2662] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 231.034260][ T2662] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 231.034555][ T2662] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 231.034876][ T2662] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 231.035176][ T2662] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 231.035483][ T2662] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 231.035789][ T2662] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 231.036082][ T2662] ? __create_object (mm/kmemleak.c:771) 
[ 231.036385][ T2662] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 231.036699][ T2662] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 231.036996][ T2662] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 231.037364][ T2662] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 231.037666][ T2662] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 231.037976][ T2662] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 231.038272][ T2662] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.038571][ T2662] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 231.038877][ T2662] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 231.039171][ T2662] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 231.039469][ T2662] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 231.039776][ T2662] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 231.040073][ T2662] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 231.040370][ T2662] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.040685][ T2662] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 231.040982][ T2662] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 231.041280][ T2662] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 231.041586][ T2662] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 231.041897][ T2662] ? 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) 
[ 231.042193][ T2662] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 231.042490][ T2662] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 231.042794][ T2662] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.043092][ T2662] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 231.043388][ T2662] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 231.043695][ T2662] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 231.043999][ T2662] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 231.044295][ T2662] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 231.044585][ T2662] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 231.044975][ T2662] ___sys_sendmsg (net/socket.c:2670) 
[ 231.045273][ T2662] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 231.045579][ T2662] ? __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) 
[ 231.045956][ T2662] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 231.046264][ T2662] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 231.046562][ T2662] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.046875][ T2662] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 231.047172][ T2662] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 231.047468][ T2662] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 231.047781][ T2662] __sys_sendmsg (net/socket.c:2700) 
[ 231.048076][ T2662] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 231.048443][ T2662] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 231.048766][ T2662] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 231.049068][ T2662] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 231.049366][ T2662] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  231.049744][ T2662] RIP: 0033:0x7f100e7a81e7
[ 231.050053][ T2662] 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)
[  231.051122][ T2662] RSP: 002b:00007ffd6c894068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  231.051567][ T2662] RAX: ffffffffffffffda RBX: 00007ffd6c8947a0 RCX: 00007f100e7a81e7
[  231.052021][ T2662] RDX: 0000000000000000 RSI: 00007ffd6c8940d0 RDI: 0000000000000005
[  231.052462][ T2662] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  231.052916][ T2662] R10: 0000000004b09910 R11: 0000000000000246 R12: 0000000000000003
[  231.053356][ T2662] R13: 00000000686e1cc6 R14: 0000000000499600 R15: 0000000000000000
| [  232.944295][ T2688] ------------[ cut here ]------------
| [ 232.944839][ T2688] WARNING: CPU: 2 PID: 2688 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) 
| [  232.945721][ T2688] Modules linked in: vxlan
| [  232.946659][ T2688] Tainted: [W]=WARN
[  232.946910][ T2688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 232.947297][ T2688] 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) 
[ 232.947620][ T2688] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  232.948733][ T2688] RSP: 0018:ffffc900059a6ef0 EFLAGS: 00010246
[  232.949120][ T2688] RAX: 0000000000000000 RBX: ffff888012c9a000 RCX: 0000000000000001
[  232.949573][ T2688] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  232.950037][ T2688] RBP: ffffc900059a6fd8 R08: 0000000000000000 R09: 0000000000000000
[  232.950493][ T2688] R10: ffffc900059a7008 R11: ffffffffa558d1e0 R12: 1ffff92000b34de2
[  232.950954][ T2688] R13: 0000000000000596 R14: ffffc900059a7008 R15: ffff888012c9af48
[  232.951412][ T2688] FS:  00007fb547d5b800(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[  232.951954][ T2688] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  232.952339][ T2688] CR2: 00000000004e68a0 CR3: 0000000012f01005 CR4: 0000000000772ef0
[  232.952807][ T2688] PKRU: 55555554
[  232.953042][ T2688] Call Trace:
[  232.953277][ T2688]  <TASK>
[ 232.953442][ T2688] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 232.953765][ T2688] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 232.954088][ T2688] netif_set_mtu (net/core/dev.c:9652) 
[ 232.954395][ T2688] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 232.954727][ T2688] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 232.954963][ T2688] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 232.955277][ T2688] br_add_if (net/bridge/br_if.c:697) 
[ 232.955538][ T2688] do_set_master (net/core/rtnetlink.c:2948) 
[ 232.955861][ T2688] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 232.956173][ T2688] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 232.956485][ T2688] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 232.956883][ T2688] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 232.957191][ T2688] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 232.957497][ T2688] ? __kernel_text_address (kernel/extable.c:79) 
[ 232.957820][ T2688] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 232.958133][ T2688] ? __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) 
[ 232.958444][ T2688] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 232.958832][ T2688] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 232.959144][ T2688] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 232.959462][ T2688] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 232.959781][ T2688] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 232.960105][ T2688] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 232.960419][ T2688] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 232.960735][ T2688] ? __create_object (mm/kmemleak.c:771) 
[ 232.961048][ T2688] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 232.961360][ T2688] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 232.961667][ T2688] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 232.962059][ T2688] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 232.962376][ T2688] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 232.962700][ T2688] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 232.963011][ T2688] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 232.963324][ T2688] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 232.963633][ T2688] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 232.963950][ T2688] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 232.964259][ T2688] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 232.964567][ T2688] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 232.964888][ T2688] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 232.965201][ T2688] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 232.965525][ T2688] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 232.965846][ T2688] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 232.966155][ T2688] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 232.966473][ T2688] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 232.966789][ T2688] ? 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) 
[ 232.967125][ T2688] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 232.967440][ T2688] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 232.967761][ T2688] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 232.968074][ T2688] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 232.968385][ T2688] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 232.968705][ T2688] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 232.969022][ T2688] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 232.969331][ T2688] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 232.969640][ T2688] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 232.970046][ T2688] ___sys_sendmsg (net/socket.c:2670) 
[ 232.970357][ T2688] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 232.970661][ T2688] ? __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) 
[ 232.971056][ T2688] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 232.971368][ T2688] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 232.971690][ T2688] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 232.972005][ T2688] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 232.972320][ T2688] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 232.972626][ T2688] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 232.972953][ T2688] __sys_sendmsg (net/socket.c:2700) 
[ 232.973260][ T2688] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 232.973640][ T2688] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 232.973972][ T2688] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 232.974280][ T2688] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 232.974594][ T2688] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  232.974984][ T2688] RIP: 0033:0x7fb547f281e7
[ 232.975303][ T2688] 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)
[  232.976392][ T2688] RSP: 002b:00007ffd848136f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  232.976865][ T2688] RAX: ffffffffffffffda RBX: 00007ffd84813e30 RCX: 00007fb547f281e7
[  232.977317][ T2688] RDX: 0000000000000000 RSI: 00007ffd84813760 RDI: 0000000000000005
[  232.977783][ T2688] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  232.978236][ T2688] R10: 000000002788b910 R11: 0000000000000246 R12: 0000000000000003
[  232.978704][ T2688] R13: 00000000686e1cc8 R14: 0000000000499600 R15: 0000000000000000
| [  234.749274][ T2713] ------------[ cut here ]------------
| [ 234.749595][ T2713] WARNING: CPU: 3 PID: 2713 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) 
| [  234.750212][ T2713] Modules linked in: vxlan
| [  234.751183][ T2713] Tainted: [W]=WARN
[  234.751423][ T2713] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 234.751823][ T2713] 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) 
[ 234.752151][ T2713] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  234.753281][ T2713] RSP: 0018:ffffc90005a56ef0 EFLAGS: 00010246
[  234.753686][ T2713] RAX: 0000000000000000 RBX: ffff888012812000 RCX: 0000000000000001
[  234.754166][ T2713] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  234.754637][ T2713] RBP: ffffc90005a56fd8 R08: 0000000000000000 R09: 0000000000000000
[  234.755118][ T2713] R10: ffffc90005a57008 R11: ffffffffa558d1e0 R12: 1ffff92000b4ade2
[  234.755614][ T2713] R13: 00000000000005dc R14: ffffc90005a57008 R15: ffff888012812f48
[  234.756102][ T2713] FS:  00007f4ac8fde800(0000) GS:ffff8880c5f19000(0000) knlGS:0000000000000000
[  234.756653][ T2713] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  234.757056][ T2713] CR2: 00000000004e6890 CR3: 0000000012cc1006 CR4: 0000000000772ef0
[  234.757527][ T2713] PKRU: 55555554
[  234.757768][ T2713] Call Trace:
[  234.758003][ T2713]  <TASK>
[ 234.758169][ T2713] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 234.758504][ T2713] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 234.758839][ T2713] netif_set_mtu (net/core/dev.c:9652) 
[ 234.759155][ T2713] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 234.759483][ T2713] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 234.759728][ T2713] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 234.760051][ T2713] br_add_if (net/bridge/br_if.c:697) 
[ 234.760299][ T2713] do_set_master (net/core/rtnetlink.c:2948) 
[ 234.760616][ T2713] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 234.760943][ T2713] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 234.761262][ T2713] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 234.761657][ T2713] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 234.761975][ T2713] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 234.762286][ T2713] ? __kernel_text_address (kernel/extable.c:79) 
[ 234.762603][ T2713] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 234.762935][ T2713] ? __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) 
[ 234.763250][ T2713] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 234.763642][ T2713] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 234.763964][ T2713] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 234.764276][ T2713] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 234.764588][ T2713] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 234.764918][ T2713] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 234.765240][ T2713] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 234.765565][ T2713] ? __create_object (mm/kmemleak.c:771) 
[ 234.765889][ T2713] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 234.766204][ T2713] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 234.766517][ T2713] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 234.766912][ T2713] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 234.767231][ T2713] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 234.767548][ T2713] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 234.767874][ T2713] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 234.768194][ T2713] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 234.768507][ T2713] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 234.768824][ T2713] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 234.769142][ T2713] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 234.769454][ T2713] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 234.769774][ T2713] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 234.770100][ T2713] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 234.770419][ T2713] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 234.770746][ T2713] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 234.771061][ T2713] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 234.771380][ T2713] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 234.771712][ T2713] ? 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) 
[ 234.772023][ T2713] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 234.772345][ T2713] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 234.772657][ T2713] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 234.772990][ T2713] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 234.773306][ T2713] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 234.773620][ T2713] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 234.773943][ T2713] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 234.774258][ T2713] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 234.774568][ T2713] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 234.774981][ T2713] ___sys_sendmsg (net/socket.c:2670) 
[ 234.775297][ T2713] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 234.775618][ T2713] ? __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) 
[ 234.776016][ T2713] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 234.776334][ T2713] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 234.776652][ T2713] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 234.776982][ T2713] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 234.777304][ T2713] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 234.777617][ T2713] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 234.777944][ T2713] __sys_sendmsg (net/socket.c:2700) 
[ 234.778266][ T2713] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 234.778654][ T2713] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 234.778988][ T2713] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 234.779307][ T2713] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 234.779625][ T2713] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  234.780020][ T2713] RIP: 0033:0x7f4ac91ab1e7
[ 234.780344][ T2713] 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)
[  234.781470][ T2713] RSP: 002b:00007ffff210f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  234.781953][ T2713] RAX: ffffffffffffffda RBX: 00007ffff210f800 RCX: 00007f4ac91ab1e7
[  234.782422][ T2713] RDX: 0000000000000000 RSI: 00007ffff210f130 RDI: 0000000000000005
[  234.782898][ T2713] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  234.783369][ T2713] R10: 0000000035998910 R11: 0000000000000246 R12: 0000000000000003
[  234.783844][ T2713] R13: 00000000686e1cca R14: 0000000000499600 R15: 0000000000000000
| [  236.325829][ T2739] ------------[ cut here ]------------
| [ 236.326155][ T2739] WARNING: CPU: 0 PID: 2739 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) 
| [  236.326780][ T2739] Modules linked in: vxlan
| [  236.327768][ T2739] Tainted: [W]=WARN
[  236.328011][ T2739] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 236.328408][ T2739] 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) 
[ 236.328743][ T2739] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  236.329885][ T2739] RSP: 0018:ffffc90005b46ef0 EFLAGS: 00010246
[  236.330281][ T2739] RAX: 0000000000000000 RBX: ffff888012812000 RCX: 0000000000000001
[  236.330760][ T2739] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  236.331231][ T2739] RBP: ffffc90005b46fd8 R08: 0000000000000000 R09: 0000000000000000
[  236.331715][ T2739] R10: ffffc90005b47008 R11: ffffffffa5eceab8 R12: 1ffff92000b68de2
[  236.332184][ T2739] R13: 00000000000005aa R14: ffffc90005b47008 R15: ffff888012812f48
[  236.332661][ T2739] FS:  00007f6d57c80800(0000) GS:ffff8880c5d99000(0000) knlGS:0000000000000000
[  236.333252][ T2739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  236.333655][ T2739] CR2: 00000000004e6890 CR3: 000000000e684004 CR4: 0000000000772ef0
[  236.334143][ T2739] PKRU: 55555554
[  236.334380][ T2739] Call Trace:
[  236.334615][ T2739]  <TASK>
[ 236.334784][ T2739] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 236.335104][ T2739] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 236.335415][ T2739] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 236.335833][ T2739] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 236.336158][ T2739] netif_set_mtu (net/core/dev.c:9652) 
[ 236.336472][ T2739] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 236.336805][ T2739] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 236.337201][ T2739] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 236.337440][ T2739] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 236.337769][ T2739] br_add_if (net/bridge/br_if.c:697) 
[ 236.338019][ T2739] do_set_master (net/core/rtnetlink.c:2948) 
[ 236.338337][ T2739] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 236.338663][ T2739] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 236.338994][ T2739] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 236.339394][ T2739] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 236.339713][ T2739] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 236.340029][ T2739] ? __kernel_text_address (kernel/extable.c:79) 
[ 236.340348][ T2739] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 236.340666][ T2739] ? __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) 
[ 236.340997][ T2739] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 236.341389][ T2739] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 236.341721][ T2739] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 236.342034][ T2739] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 236.342348][ T2739] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 236.342659][ T2739] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 236.342980][ T2739] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 236.343296][ T2739] ? __create_object (mm/kmemleak.c:771) 
[ 236.343609][ T2739] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 236.343935][ T2739] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 236.344255][ T2739] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 236.344642][ T2739] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 236.344975][ T2739] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 236.345297][ T2739] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 236.345626][ T2739] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 236.345974][ T2739] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 236.346298][ T2739] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 236.346609][ T2739] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 236.346937][ T2739] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 236.347252][ T2739] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 236.347565][ T2739] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 236.347891][ T2739] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 236.348215][ T2739] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 236.348529][ T2739] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 236.348852][ T2739] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 236.349173][ T2739] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 236.349480][ T2739] ? 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) 
[ 236.349803][ T2739] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 236.350120][ T2739] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 236.350434][ T2739] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 236.350760][ T2739] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 236.351083][ T2739] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 236.351392][ T2739] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 236.351717][ T2739] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 236.352029][ T2739] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 236.352336][ T2739] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 236.352747][ T2739] ___sys_sendmsg (net/socket.c:2670) 
[ 236.353056][ T2739] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 236.353362][ T2739] ? __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) 
[ 236.353753][ T2739] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 236.354067][ T2739] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 236.354378][ T2739] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 236.354699][ T2739] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 236.355009][ T2739] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 236.355328][ T2739] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 236.355655][ T2739] __sys_sendmsg (net/socket.c:2700) 
[ 236.355971][ T2739] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 236.356357][ T2739] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 236.356689][ T2739] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 236.357015][ T2739] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 236.357325][ T2739] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  236.357729][ T2739] RIP: 0033:0x7f6d57e4d1e7
[ 236.358049][ T2739] 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)
[  236.359186][ T2739] RSP: 002b:00007ffcb867dad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  236.359682][ T2739] RAX: ffffffffffffffda RBX: 00007ffcb867e210 RCX: 00007f6d57e4d1e7
[  236.360154][ T2739] RDX: 0000000000000000 RSI: 00007ffcb867db40 RDI: 0000000000000005
[  236.360624][ T2739] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  236.361108][ T2739] R10: 000000000d8ba910 R11: 0000000000000246 R12: 0000000000000003
[  236.361576][ T2739] R13: 00000000686e1ccb R14: 0000000000499600 R15: 0000000000000000
| [  240.760226][ T2789] ------------[ cut here ]------------
| [ 240.760532][ T2789] WARNING: CPU: 1 PID: 2789 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) 
| [  240.761954][ T2789] Modules linked in: vxlan
| [  240.762981][ T2789] Tainted: [W]=WARN
[  240.763212][ T2789] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 240.763588][ T2789] 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) 
[ 240.763915][ T2789] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  240.765098][ T2789] RSP: 0018:ffffc90005a56ef0 EFLAGS: 00010246
[  240.765501][ T2789] RAX: 0000000000000000 RBX: ffff88801313a000 RCX: 0000000000000001
[  240.766097][ T2789] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  240.766618][ T2789] RBP: ffffc90005a56fd8 R08: 0000000000000000 R09: 0000000000000000
[  240.767216][ T2789] R10: ffffc90005a57008 R11: ffffffffa558d1e0 R12: 1ffff92000b4ade2
[  240.767784][ T2789] R13: 00000000000005dc R14: ffffc90005a57008 R15: ffff88801313af48
[  240.768248][ T2789] FS:  00007f50dc963800(0000) GS:ffff8880c5e19000(0000) knlGS:0000000000000000
[  240.768875][ T2789] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  240.769264][ T2789] CR2: 00000000004e6898 CR3: 0000000012cbc005 CR4: 0000000000772ef0
[  240.769838][ T2789] PKRU: 55555554
[  240.770150][ T2789] Call Trace:
[  240.770375][ T2789]  <TASK>
[ 240.770610][ T2789] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 240.771027][ T2789] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 240.771442][ T2789] netif_set_mtu (net/core/dev.c:9652) 
[ 240.771774][ T2789] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 240.772173][ T2789] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 240.772403][ T2789] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 240.772848][ T2789] br_add_if (net/bridge/br_if.c:697) 
[ 240.773169][ T2789] do_set_master (net/core/rtnetlink.c:2948) 
[ 240.773475][ T2789] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 240.773914][ T2789] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 240.774242][ T2789] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 240.774715][ T2789] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 240.775128][ T2789] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 240.775436][ T2789] ? __kernel_text_address (kernel/extable.c:79) 
[ 240.775788][ T2789] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 240.776230][ T2789] ? __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) 
[ 240.776528][ T2789] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 240.776922][ T2789] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 240.777230][ T2789] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 240.777525][ T2789] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 240.777841][ T2789] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 240.778158][ T2789] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 240.778461][ T2789] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 240.778808][ T2789] ? __create_object (mm/kmemleak.c:771) 
[ 240.779124][ T2789] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 240.779424][ T2789] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 240.779752][ T2789] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 240.780127][ T2789] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 240.780428][ T2789] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 240.780748][ T2789] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 240.781061][ T2789] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 240.781374][ T2789] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 240.781689][ T2789] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 240.782009][ T2789] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 240.782315][ T2789] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 240.782616][ T2789] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 240.782956][ T2789] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 240.783266][ T2789] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 240.783585][ T2789] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 240.784082][ T2789] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 240.784455][ T2789] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 240.784799][ T2789] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 240.785118][ T2789] ? 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) 
[ 240.785420][ T2789] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 240.785755][ T2789] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 240.786075][ T2789] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 240.786382][ T2789] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 240.786691][ T2789] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 240.787018][ T2789] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 240.787336][ T2789] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 240.787641][ T2789] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 240.787959][ T2789] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 240.788355][ T2789] ___sys_sendmsg (net/socket.c:2670) 
[ 240.788652][ T2789] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 240.788972][ T2789] ? __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) 
[ 240.789349][ T2789] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 240.789647][ T2789] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 240.789964][ T2789] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 240.790287][ T2789] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 240.790612][ T2789] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 240.790981][ T2789] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 240.791303][ T2789] __sys_sendmsg (net/socket.c:2700) 
[ 240.791616][ T2789] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 240.792069][ T2789] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 240.792402][ T2789] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 240.792728][ T2789] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 240.793052][ T2789] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  240.793467][ T2789] RIP: 0033:0x7f50dcb301e7
[ 240.793908][ T2789] 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)
[  240.795071][ T2789] RSP: 002b:00007ffd748644a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  240.795576][ T2789] RAX: ffffffffffffffda RBX: 00007ffd74864be0 RCX: 00007f50dcb301e7
[  240.796068][ T2789] RDX: 0000000000000000 RSI: 00007ffd74864510 RDI: 0000000000000005
[  240.796537][ T2789] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  240.797029][ T2789] R10: 000000002ae36910 R11: 0000000000000246 R12: 0000000000000003
[  240.797510][ T2789] R13: 00000000686e1cd0 R14: 0000000000499600 R15: 0000000000000000
| [  242.522342][ T2815] ------------[ cut here ]------------
| [ 242.522666][ T2815] WARNING: CPU: 2 PID: 2815 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) 
| [  242.523291][ T2815] Modules linked in: vxlan
| [  242.524226][ T2815] Tainted: [W]=WARN
[  242.524476][ T2815] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 242.524869][ T2815] 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) 
[ 242.525193][ T2815] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  242.526278][ T2815] RSP: 0018:ffffc90005d36ef0 EFLAGS: 00010246
[  242.526663][ T2815] RAX: 0000000000000000 RBX: ffff88801313a000 RCX: 0000000000000001
[  242.527127][ T2815] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  242.527591][ T2815] RBP: ffffc90005d36fd8 R08: 0000000000000000 R09: 0000000000000000
[  242.528054][ T2815] R10: ffffc90005d37008 R11: ffffffffa558d1e0 R12: 1ffff92000ba6de2
[  242.528514][ T2815] R13: 0000000000000596 R14: ffffc90005d37008 R15: ffff88801313af48
[  242.528978][ T2815] FS:  00007f1bfabf7800(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[  242.529511][ T2815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  242.529909][ T2815] CR2: 00000000004e6898 CR3: 00000000058ed006 CR4: 0000000000772ef0
[  242.530364][ T2815] PKRU: 55555554
[  242.530598][ T2815] Call Trace:
[  242.530841][ T2815]  <TASK>
[ 242.531010][ T2815] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 242.531324][ T2815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 242.531646][ T2815] netif_set_mtu (net/core/dev.c:9652) 
[ 242.531964][ T2815] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 242.532292][ T2815] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 242.532530][ T2815] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 242.532855][ T2815] br_add_if (net/bridge/br_if.c:697) 
[ 242.533101][ T2815] do_set_master (net/core/rtnetlink.c:2948) 
[ 242.533408][ T2815] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 242.533735][ T2815] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 242.534050][ T2815] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 242.534438][ T2815] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 242.534756][ T2815] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 242.535089][ T2815] ? __kernel_text_address (kernel/extable.c:79) 
[ 242.535407][ T2815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 242.535746][ T2815] ? __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) 
[ 242.536059][ T2815] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 242.536435][ T2815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 242.536762][ T2815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 242.537069][ T2815] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 242.537374][ T2815] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 242.537700][ T2815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 242.538011][ T2815] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 242.538323][ T2815] ? __create_object (mm/kmemleak.c:771) 
[ 242.538634][ T2815] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 242.538960][ T2815] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 242.539268][ T2815] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 242.539650][ T2815] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 242.539974][ T2815] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 242.540290][ T2815] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 242.540594][ T2815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 242.540924][ T2815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 242.541232][ T2815] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 242.541539][ T2815] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 242.541856][ T2815] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 242.542164][ T2815] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 242.542472][ T2815] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 242.542798][ T2815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 242.543110][ T2815] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 242.543423][ T2815] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 242.543740][ T2815] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 242.544065][ T2815] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 242.544374][ T2815] ? 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) 
[ 242.544693][ T2815] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 242.545005][ T2815] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 242.545318][ T2815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 242.545640][ T2815] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 242.545964][ T2815] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 242.546272][ T2815] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 242.546585][ T2815] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 242.546904][ T2815] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 242.547209][ T2815] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 242.547598][ T2815] ___sys_sendmsg (net/socket.c:2670) 
[ 242.547918][ T2815] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 242.548226][ T2815] ? __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) 
[ 242.548605][ T2815] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 242.548929][ T2815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 242.549241][ T2815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 242.549558][ T2815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 242.549877][ T2815] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 242.550189][ T2815] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 242.550503][ T2815] __sys_sendmsg (net/socket.c:2700) 
[ 242.550819][ T2815] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 242.551203][ T2815] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 242.551529][ T2815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 242.551850][ T2815] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 242.552164][ T2815] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  242.552548][ T2815] RIP: 0033:0x7f1bfadc41e7
[ 242.552881][ T2815] 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)
[  242.553952][ T2815] RSP: 002b:00007fff1f48a528 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  242.554413][ T2815] RAX: ffffffffffffffda RBX: 00007fff1f48ac60 RCX: 00007f1bfadc41e7
[  242.554891][ T2815] RDX: 0000000000000000 RSI: 00007fff1f48a590 RDI: 0000000000000005
[  242.555353][ T2815] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  242.555833][ T2815] R10: 00000000055e4910 R11: 0000000000000246 R12: 0000000000000003
[  242.556290][ T2815] R13: 00000000686e1cd2 R14: 0000000000499600 R15: 0000000000000000
| [  246.239151][ T2865] ------------[ cut here ]------------
| [ 246.239456][ T2865] WARNING: CPU: 1 PID: 2865 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) 
| [  246.240070][ T2865] Modules linked in: vxlan
| [  246.241021][ T2865] Tainted: [W]=WARN
[  246.241246][ T2865] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 246.241631][ T2865] 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) 
[ 246.241968][ T2865] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  246.243067][ T2865] RSP: 0018:ffffc90005e56ef0 EFLAGS: 00010246
[  246.243460][ T2865] RAX: 0000000000000000 RBX: ffff888012952000 RCX: 0000000000000001
[  246.243908][ T2865] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  246.244353][ T2865] RBP: ffffc90005e56fd8 R08: 0000000000000000 R09: 0000000000000000
[  246.244820][ T2865] R10: ffffc90005e57008 R11: ffffffffa558d1e0 R12: 1ffff92000bcade2
[  246.245273][ T2865] R13: 00000000000005dc R14: ffffc90005e57008 R15: ffff888012952f48
[  246.245739][ T2865] FS:  00007f89d0776800(0000) GS:ffff8880c5e19000(0000) knlGS:0000000000000000
[  246.246260][ T2865] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  246.246637][ T2865] CR2: 00000000004e68a0 CR3: 0000000011831003 CR4: 0000000000772ef0
[  246.247107][ T2865] PKRU: 55555554
[  246.247332][ T2865] Call Trace:
[  246.247568][ T2865]  <TASK>
[ 246.247731][ T2865] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 246.248037][ T2865] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 246.248344][ T2865] netif_set_mtu (net/core/dev.c:9652) 
[ 246.248644][ T2865] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 246.248990][ T2865] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 246.249216][ T2865] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 246.249527][ T2865] br_add_if (net/bridge/br_if.c:697) 
[ 246.249779][ T2865] do_set_master (net/core/rtnetlink.c:2948) 
[ 246.250080][ T2865] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 246.250401][ T2865] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 246.250711][ T2865] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 246.251092][ T2865] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 246.251402][ T2865] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 246.251723][ T2865] ? __kernel_text_address (kernel/extable.c:79) 
[ 246.252022][ T2865] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 246.252340][ T2865] ? __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) 
[ 246.252637][ T2865] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 246.253037][ T2865] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 246.253334][ T2865] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 246.253633][ T2865] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 246.253936][ T2865] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 246.254230][ T2865] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 246.254526][ T2865] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 246.254833][ T2865] ? __create_object (mm/kmemleak.c:771) 
[ 246.255128][ T2865] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 246.255427][ T2865] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 246.255747][ T2865] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 246.256114][ T2865] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 246.256421][ T2865] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 246.256760][ T2865] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 246.257065][ T2865] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 246.257377][ T2865] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 246.257686][ T2865] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 246.257996][ T2865] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 246.258311][ T2865] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 246.258617][ T2865] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 246.258948][ T2865] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 246.259262][ T2865] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 246.259580][ T2865] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 246.259913][ T2865] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 246.260225][ T2865] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 246.260548][ T2865] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 246.260889][ T2865] ? 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) 
[ 246.261201][ T2865] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 246.261515][ T2865] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 246.261849][ T2865] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 246.262163][ T2865] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 246.262478][ T2865] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 246.262811][ T2865] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 246.263127][ T2865] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 246.263439][ T2865] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 246.263768][ T2865] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 246.264193][ T2865] ___sys_sendmsg (net/socket.c:2670) 
[ 246.264503][ T2865] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 246.264829][ T2865] ? __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) 
[ 246.265226][ T2865] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 246.265543][ T2865] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 246.265852][ T2865] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 246.266154][ T2865] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 246.266477][ T2865] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 246.266794][ T2865] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 246.267111][ T2865] __sys_sendmsg (net/socket.c:2700) 
[ 246.267431][ T2865] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 246.267820][ T2865] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 246.268130][ T2865] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 246.268447][ T2865] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 246.268764][ T2865] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  246.269136][ T2865] RIP: 0033:0x7f89d09431e7
[ 246.269445][ T2865] 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)
[  246.270546][ T2865] RSP: 002b:00007ffc5493f588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  246.271028][ T2865] RAX: ffffffffffffffda RBX: 00007ffc5493fcc0 RCX: 00007f89d09431e7
[  246.271483][ T2865] RDX: 0000000000000000 RSI: 00007ffc5493f5f0 RDI: 0000000000000005
[  246.271939][ T2865] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  246.272400][ T2865] R10: 00000000015bf910 R11: 0000000000000246 R12: 0000000000000003
[  246.272868][ T2865] R13: 00000000686e1cd5 R14: 0000000000499600 R15: 0000000000000000
| [  247.795402][ T2891] ------------[ cut here ]------------
| [ 247.795783][ T2891] WARNING: CPU: 3 PID: 2891 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) 
| [  247.796365][ T2891] Modules linked in: vxlan
| [  247.797269][ T2891] Tainted: [W]=WARN
[  247.797495][ T2891] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 247.797878][ T2891] 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) 
[ 247.798182][ T2891] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  247.799242][ T2891] RSP: 0018:ffffc90005f46ef0 EFLAGS: 00010246
[  247.799657][ T2891] RAX: 0000000000000000 RBX: ffff888012952000 RCX: 0000000000000001
[  247.800110][ T2891] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  247.800552][ T2891] RBP: ffffc90005f46fd8 R08: 0000000000000000 R09: 0000000000000000
[  247.801001][ T2891] R10: ffffc90005f47008 R11: ffffffffa5eceab8 R12: 1ffff92000be8de2
[  247.801442][ T2891] R13: 00000000000005aa R14: ffffc90005f47008 R15: ffff888012952f48
[  247.801913][ T2891] FS:  00007f22db226800(0000) GS:ffff8880c5f19000(0000) knlGS:0000000000000000
[  247.802431][ T2891] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  247.802811][ T2891] CR2: 00000000004e68a0 CR3: 000000000ce57002 CR4: 0000000000772ef0
[  247.803257][ T2891] PKRU: 55555554
[  247.803479][ T2891] Call Trace:
[  247.803748][ T2891]  <TASK>
[ 247.803902][ T2891] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 247.804204][ T2891] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 247.804501][ T2891] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 247.804877][ T2891] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 247.805176][ T2891] netif_set_mtu (net/core/dev.c:9652) 
[ 247.805483][ T2891] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 247.805806][ T2891] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 247.806185][ T2891] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 247.806413][ T2891] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 247.806725][ T2891] br_add_if (net/bridge/br_if.c:697) 
[ 247.806966][ T2891] do_set_master (net/core/rtnetlink.c:2948) 
[ 247.807260][ T2891] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 247.807574][ T2891] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 247.807907][ T2891] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 247.808291][ T2891] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 247.808584][ T2891] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 247.808890][ T2891] ? __kernel_text_address (kernel/extable.c:79) 
[ 247.809187][ T2891] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 247.809486][ T2891] ? __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) 
[ 247.809792][ T2891] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 247.810165][ T2891] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 247.810463][ T2891] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 247.810772][ T2891] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 247.811083][ T2891] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 247.811378][ T2891] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 247.811763][ T2891] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 247.812063][ T2891] ? __create_object (mm/kmemleak.c:771) 
[ 247.812359][ T2891] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 247.812663][ T2891] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 247.812977][ T2891] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 247.813342][ T2891] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 247.813643][ T2891] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 247.813954][ T2891] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 247.814248][ T2891] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 247.814553][ T2891] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 247.814855][ T2891] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 247.815156][ T2891] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 247.815465][ T2891] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 247.815814][ T2891] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 247.816113][ T2891] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 247.816412][ T2891] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 247.816720][ T2891] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 247.817016][ T2891] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 247.817320][ T2891] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 247.817624][ T2891] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 247.817925][ T2891] ? 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) 
[ 247.818225][ T2891] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 247.818525][ T2891] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 247.818827][ T2891] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 247.819127][ T2891] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 247.819435][ T2891] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 247.819773][ T2891] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 247.820077][ T2891] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 247.820375][ T2891] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 247.820682][ T2891] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 247.821060][ T2891] ___sys_sendmsg (net/socket.c:2670) 
[ 247.821356][ T2891] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 247.821654][ T2891] ? __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) 
[ 247.822033][ T2891] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 247.822340][ T2891] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 247.822644][ T2891] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 247.822954][ T2891] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 247.823252][ T2891] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 247.823562][ T2891] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 247.823894][ T2891] __sys_sendmsg (net/socket.c:2700) 
[ 247.824195][ T2891] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 247.824562][ T2891] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 247.824875][ T2891] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 247.825175][ T2891] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 247.825490][ T2891] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  247.825870][ T2891] RIP: 0033:0x7f22db3f31e7
[ 247.826178][ T2891] 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)
[  247.827257][ T2891] RSP: 002b:00007ffc98bb5c28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  247.827746][ T2891] RAX: ffffffffffffffda RBX: 00007ffc98bb6360 RCX: 00007f22db3f31e7
[  247.828192][ T2891] RDX: 0000000000000000 RSI: 00007ffc98bb5c90 RDI: 0000000000000005
[  247.828669][ T2891] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  247.829125][ T2891] R10: 00000000402d7910 R11: 0000000000000246 R12: 0000000000000003
[  247.829576][ T2891] R13: 00000000686e1cd7 R14: 0000000000499600 R15: 0000000000000000
| [  249.711939][ T2917] ------------[ cut here ]------------
| [ 249.712259][ T2917] WARNING: CPU: 2 PID: 2917 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) 
| [  249.712870][ T2917] Modules linked in: vxlan
| [  249.713820][ T2917] Tainted: [W]=WARN
[  249.714063][ T2917] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 249.714459][ T2917] 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) 
[ 249.714795][ T2917] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  249.715899][ T2917] RSP: 0018:ffffc90005fa6ef0 EFLAGS: 00010246
[  249.716296][ T2917] RAX: 0000000000000000 RBX: ffff888012952000 RCX: 0000000000000001
[  249.716766][ T2917] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  249.717224][ T2917] RBP: ffffc90005fa6fd8 R08: 0000000000000000 R09: 0000000000000000
[  249.717692][ T2917] R10: ffffc90005fa7008 R11: ffffffffa5eceab8 R12: 1ffff92000bf4de2
[  249.718157][ T2917] R13: 0000000000000596 R14: ffffc90005fa7008 R15: ffff888012952f48
[  249.718614][ T2917] FS:  00007f194b817800(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[  249.719171][ T2917] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  249.719568][ T2917] CR2: 00000000004e68a0 CR3: 0000000012af5004 CR4: 0000000000772ef0
[  249.720039][ T2917] PKRU: 55555554
[  249.720278][ T2917] Call Trace:
[  249.720513][ T2917]  <TASK>
[ 249.720694][ T2917] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 249.721017][ T2917] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 249.721332][ T2917] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 249.721750][ T2917] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 249.722067][ T2917] netif_set_mtu (net/core/dev.c:9652) 
[ 249.722379][ T2917] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 249.722720][ T2917] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 249.723111][ T2917] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 249.723353][ T2917] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 249.723686][ T2917] br_add_if (net/bridge/br_if.c:697) 
[ 249.723936][ T2917] do_set_master (net/core/rtnetlink.c:2948) 
[ 249.724251][ T2917] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 249.724665][ T2917] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 249.725006][ T2917] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 249.725401][ T2917] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 249.725746][ T2917] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 249.726058][ T2917] ? __kernel_text_address (kernel/extable.c:79) 
[ 249.726375][ T2917] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 249.726698][ T2917] ? __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) 
[ 249.727020][ T2917] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 249.727417][ T2917] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 249.727744][ T2917] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 249.728063][ T2917] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 249.728371][ T2917] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 249.728691][ T2917] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 249.729003][ T2917] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 249.729313][ T2917] ? __create_object (mm/kmemleak.c:771) 
[ 249.729625][ T2917] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 249.729946][ T2917] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 249.730260][ T2917] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 249.730649][ T2917] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 249.730980][ T2917] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 249.731296][ T2917] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 249.731606][ T2917] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 249.731931][ T2917] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 249.732244][ T2917] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 249.732549][ T2917] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 249.732877][ T2917] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 249.733187][ T2917] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 249.733499][ T2917] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 249.733828][ T2917] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 249.734153][ T2917] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 249.734463][ T2917] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 249.734788][ T2917] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 249.735109][ T2917] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 249.735424][ T2917] ? 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) 
[ 249.735762][ T2917] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 249.736078][ T2917] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 249.736388][ T2917] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 249.736718][ T2917] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 249.737032][ T2917] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 249.737338][ T2917] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 249.737659][ T2917] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 249.737977][ T2917] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 249.738288][ T2917] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 249.738689][ T2917] ___sys_sendmsg (net/socket.c:2670) 
[ 249.739002][ T2917] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 249.739306][ T2917] ? __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) 
[ 249.739697][ T2917] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 249.740015][ T2917] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 249.740327][ T2917] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 249.740638][ T2917] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 249.740961][ T2917] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 249.741268][ T2917] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 249.741585][ T2917] __sys_sendmsg (net/socket.c:2700) 
[ 249.741904][ T2917] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 249.742296][ T2917] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 249.742617][ T2917] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 249.742940][ T2917] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 249.743250][ T2917] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  249.743628][ T2917] RIP: 0033:0x7f194b9e41e7
[ 249.743958][ T2917] 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)
[  249.745042][ T2917] RSP: 002b:00007ffdf8631ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  249.745509][ T2917] RAX: ffffffffffffffda RBX: 00007ffdf8632220 RCX: 00007f194b9e41e7
[  249.745980][ T2917] RDX: 0000000000000000 RSI: 00007ffdf8631b50 RDI: 0000000000000005
[  249.746442][ T2917] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  249.746913][ T2917] R10: 00000000268c2910 R11: 0000000000000246 R12: 0000000000000003
[  249.747370][ T2917] R13: 00000000686e1cd9 R14: 0000000000499600 R15: 0000000000000000
| [  251.699123][ T2943] ------------[ cut here ]------------
| [ 251.699441][ T2943] WARNING: CPU: 2 PID: 2943 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) 
| [  251.700055][ T2943] Modules linked in: vxlan
| [  251.701002][ T2943] Tainted: [W]=WARN
[  251.701248][ T2943] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 251.701631][ T2943] 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) 
[ 251.701969][ T2943] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  251.704534][ T2943] RSP: 0018:ffffc90006036ef0 EFLAGS: 00010246
[  251.704941][ T2943] RAX: 0000000000000000 RBX: ffff888012952000 RCX: 0000000000000001
[  251.705401][ T2943] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  251.705875][ T2943] RBP: ffffc90006036fd8 R08: 0000000000000000 R09: 0000000000000000
[  251.706330][ T2943] R10: ffffc90006037008 R11: ffffffffa5eceab8 R12: 1ffff92000c06de2
[  251.706795][ T2943] R13: 0000000000000596 R14: ffffc90006037008 R15: ffff888012952f48
[  251.707255][ T2943] FS:  00007f0e0fa0b800(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[  251.707796][ T2943] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  251.708183][ T2943] CR2: 00000000004e68a0 CR3: 000000000c54b001 CR4: 0000000000772ef0
[  251.708644][ T2943] PKRU: 55555554
[  251.708891][ T2943] Call Trace:
[  251.709129][ T2943]  <TASK>
[ 251.709297][ T2943] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 251.709623][ T2943] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 251.709942][ T2943] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 251.710326][ T2943] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 251.710638][ T2943] netif_set_mtu (net/core/dev.c:9652) 
[ 251.710957][ T2943] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 251.711278][ T2943] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 251.711669][ T2943] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 251.711918][ T2943] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 251.712232][ T2943] br_add_if (net/bridge/br_if.c:697) 
[ 251.712488][ T2943] do_set_master (net/core/rtnetlink.c:2948) 
[ 251.712809][ T2943] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 251.713124][ T2943] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 251.713444][ T2943] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 251.713861][ T2943] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 251.714180][ T2943] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 251.714487][ T2943] ? __kernel_text_address (kernel/extable.c:79) 
[ 251.714809][ T2943] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 251.715122][ T2943] ? __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) 
[ 251.715436][ T2943] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 251.715843][ T2943] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 251.716154][ T2943] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 251.716471][ T2943] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 251.716793][ T2943] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 251.717105][ T2943] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 251.717415][ T2943] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 251.717733][ T2943] ? __create_object (mm/kmemleak.c:771) 
[ 251.718045][ T2943] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 251.718357][ T2943] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 251.718682][ T2943] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 251.719063][ T2943] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 251.719378][ T2943] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 251.719703][ T2943] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 251.720008][ T2943] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 251.720323][ T2943] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 251.720630][ T2943] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 251.720946][ T2943] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 251.721265][ T2943] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 251.721575][ T2943] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 251.721893][ T2943] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 251.722209][ T2943] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 251.722519][ T2943] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 251.722836][ T2943] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 251.723145][ T2943] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 251.723471][ T2943] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 251.723786][ T2943] ? 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) 
[ 251.724098][ T2943] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 251.724408][ T2943] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 251.724729][ T2943] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 251.725044][ T2943] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 251.725358][ T2943] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 251.725694][ T2943] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 251.726016][ T2943] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 251.726331][ T2943] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 251.726637][ T2943] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 251.727037][ T2943] ___sys_sendmsg (net/socket.c:2670) 
[ 251.727347][ T2943] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 251.727654][ T2943] ? __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) 
[ 251.728056][ T2943] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 251.728367][ T2943] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 251.728689][ T2943] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 251.729005][ T2943] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 251.729313][ T2943] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 251.729619][ T2943] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 251.729943][ T2943] __sys_sendmsg (net/socket.c:2700) 
[ 251.730252][ T2943] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 251.730640][ T2943] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 251.730973][ T2943] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 251.731282][ T2943] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 251.731596][ T2943] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  251.731984][ T2943] RIP: 0033:0x7f0e0fbd81e7
[ 251.732300][ T2943] 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)
[  251.733376][ T2943] RSP: 002b:00007ffe9eb23188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  251.733843][ T2943] RAX: ffffffffffffffda RBX: 00007ffe9eb238c0 RCX: 00007f0e0fbd81e7
[  251.734298][ T2943] RDX: 0000000000000000 RSI: 00007ffe9eb231f0 RDI: 0000000000000005
[  251.734768][ T2943] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  251.735223][ T2943] R10: 0000000021272910 R11: 0000000000000246 R12: 0000000000000003
[  251.735728][ T2943] R13: 00000000686e1cdb R14: 0000000000499600 R15: 0000000000000000
| [  255.697477][   T67] ------------[ cut here ]------------
| [ 255.698309][ T67] WARNING: CPU: 0 PID: 67 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) 
| [  255.698858][   T67] Modules linked in: vxlan
| [  255.699888][   T67] Tainted: [W]=WARN
[  255.700124][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  255.700513][   T67] Workqueue: netns cleanup_net
[ 255.700853][ T67] 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) 
[ 255.701173][ T67] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  255.702295][   T67] RSP: 0018:ffffc90000487360 EFLAGS: 00010246
[  255.702693][   T67] RAX: 0000000000000000 RBX: ffff888012952000 RCX: 0000000000000001
[  255.703160][   T67] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  255.703627][   T67] RBP: ffffc90000487450 R08: 0000000000000000 R09: 0000000000000000
[  255.704106][   T67] R10: ffffc90000487480 R11: ffffffffa558d1e0 R12: 1ffff92000090e70
[  255.704570][   T67] R13: 0000000000000596 R14: ffffc90000487480 R15: ffff888012952f48
[  255.705050][   T67] FS:  0000000000000000(0000) GS:ffff8880c5d99000(0000) knlGS:0000000000000000
[  255.705614][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  255.706016][   T67] CR2: 00007fd6ba396480 CR3: 000000002554a001 CR4: 0000000000772ef0
[  255.706528][   T67] PKRU: 55555554
[  255.706772][   T67] Call Trace:
[  255.707007][   T67]  <TASK>
[ 255.707171][ T67] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 255.707483][ T67] ? __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) 
[ 255.707890][ T67] ? br_del_if (net/bridge/br_if.c:742) 
[ 255.708125][ T67] ? br_device_event (net/bridge/br.c:141) 
[ 255.708454][ T67] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 255.708778][ T67] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 255.709116][ T67] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 255.709503][ T67] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 255.709914][ T67] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 255.710221][ T67] ? cleanup_net (net/core/net_namespace.c:684) 
[ 255.710527][ T67] ? process_one_work (kernel/workqueue.c:3238) 
[ 255.710855][ T67] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 255.711163][ T67] ? kthread (kernel/kthread.c:464) 
[ 255.711393][ T67] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 255.711727][ T67] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 255.712068][ T67] netif_set_mtu (net/core/dev.c:9652) 
[ 255.712388][ T67] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 255.712724][ T67] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 255.712961][ T67] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 255.713278][ T67] br_del_if (net/bridge/br_if.c:743) 
[ 255.713512][ T67] br_device_event (net/bridge/br.c:141) 
[ 255.713834][ T67] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 255.714162][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 255.714476][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 255.714887][ T67] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 255.715311][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 255.715736][ T67] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 255.716102][ T67] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 255.716525][ T67] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 255.716948][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 255.717273][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 255.717670][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 255.717993][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 255.718385][ T67] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 255.718783][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 255.719167][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 255.719559][ T67] default_device_exit_batch (net/core/dev.c:12673) 
[ 255.719888][ T67] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 255.720280][ T67] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 255.720601][ T67] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 255.720925][ T67] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 255.721253][ T67] cleanup_net (net/core/net_namespace.c:684) 
[ 255.721559][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 255.721906][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 255.722223][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 255.722548][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 255.722871][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 255.723182][ T67] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 255.723496][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 255.723822][ T67] kthread (kernel/kthread.c:464) 
[ 255.724056][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 255.724367][ T67] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 255.724680][ T67] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 255.724990][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 255.725298][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 255.725665][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 255.725979][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 255.726287][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  255.748809][   T67] ------------[ cut here ]------------
| [ 255.749134][ T67] WARNING: CPU: 0 PID: 67 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) 
| [  255.749860][   T67] Modules linked in: vxlan
| [  255.750883][   T67] Tainted: [W]=WARN
[  255.751116][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  255.751498][   T67] Workqueue: netns cleanup_net
[ 255.751825][ T67] 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) 
[ 255.752151][ T67] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  255.753259][   T67] RSP: 0018:ffffc90000487360 EFLAGS: 00010246
[  255.753651][   T67] RAX: 0000000000000000 RBX: ffff888012952000 RCX: 0000000000000001
[  255.754118][   T67] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  255.754579][   T67] RBP: ffffc90000487450 R08: 0000000000000000 R09: 0000000000000000
[  255.755045][   T67] R10: ffffc90000487480 R11: ffffffffa558d1e0 R12: 1ffff92000090e70
[  255.755516][   T67] R13: 00000000000005aa R14: ffffc90000487480 R15: ffff888012952f48
[  255.755983][   T67] FS:  0000000000000000(0000) GS:ffff8880c5d99000(0000) knlGS:0000000000000000
[  255.756527][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  255.756919][   T67] CR2: 00007fd6ba396480 CR3: 000000002554a001 CR4: 0000000000772ef0
[  255.757385][   T67] PKRU: 55555554
[  255.757615][   T67] Call Trace:
[  255.757851][   T67]  <TASK>
[ 255.758007][ T67] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 255.758312][ T67] ? __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) 
[ 255.758704][ T67] ? br_del_if (net/bridge/br_if.c:742) 
[ 255.758935][ T67] ? br_device_event (net/bridge/br.c:141) 
[ 255.759242][ T67] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 255.759545][ T67] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 255.759859][ T67] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 255.760241][ T67] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 255.760625][ T67] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 255.760935][ T67] ? cleanup_net (net/core/net_namespace.c:684) 
[ 255.761242][ T67] ? process_one_work (kernel/workqueue.c:3238) 
[ 255.761547][ T67] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 255.761860][ T67] ? kthread (kernel/kthread.c:464) 
[ 255.762094][ T67] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 255.762403][ T67] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 255.762730][ T67] netif_set_mtu (net/core/dev.c:9652) 
[ 255.763045][ T67] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 255.763371][ T67] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 255.763606][ T67] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 255.763924][ T67] br_del_if (net/bridge/br_if.c:743) 
[ 255.764160][ T67] br_device_event (net/bridge/br.c:141) 
[ 255.764470][ T67] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 255.764796][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 255.765111][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 255.765520][ T67] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 255.765937][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 255.766329][ T67] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 255.766659][ T67] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 255.767065][ T67] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 255.767469][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 255.767803][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 255.768194][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 255.768508][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 255.768903][ T67] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 255.769290][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 255.769686][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 255.770079][ T67] default_device_exit_batch (net/core/dev.c:12673) 
[ 255.770400][ T67] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 255.770811][ T67] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 255.771131][ T67] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 255.771442][ T67] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 255.771769][ T67] cleanup_net (net/core/net_namespace.c:684) 
[ 255.772088][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 255.772403][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 255.772743][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 255.773064][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 255.773384][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 255.773705][ T67] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 255.774024][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 255.774335][ T67] kthread (kernel/kthread.c:464) 
[ 255.774569][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 255.774886][ T67] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 255.775204][ T67] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 255.775532][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 255.775850][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 255.776160][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 255.776468][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 255.776780][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  255.801644][   T67] ------------[ cut here ]------------
| [ 255.802049][ T67] WARNING: CPU: 0 PID: 67 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) 
| [  255.802612][   T67] Modules linked in: vxlan
| [  255.803938][   T67] Tainted: [W]=WARN
[  255.804174][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  255.804569][   T67] Workqueue: netns cleanup_net
[ 255.805042][ T67] 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) 
[ 255.805359][ T67] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  255.806640][   T67] RSP: 0018:ffffc90000487360 EFLAGS: 00010246
[  255.807204][   T67] RAX: 0000000000000000 RBX: ffff888012952000 RCX: 0000000000000001
[  255.807851][   T67] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  255.808335][   T67] RBP: ffffc90000487450 R08: 0000000000000000 R09: 0000000000000000
[  255.808966][   T67] R10: ffffc90000487480 R11: ffffffffa558d1e0 R12: 1ffff92000090e70
[  255.809460][   T67] R13: 00000000000005dc R14: ffffc90000487480 R15: ffff888012952f48
[  255.810094][   T67] FS:  0000000000000000(0000) GS:ffff8880c5d99000(0000) knlGS:0000000000000000
[  255.810667][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  255.811305][   T67] CR2: 00007fd6ba396480 CR3: 000000002554a001 CR4: 0000000000772ef0
[  255.812110][   T67] PKRU: 55555554
[  255.812356][   T67] Call Trace:
[  255.812601][   T67]  <TASK>
[ 255.812916][ T67] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 255.813251][ T67] ? __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) 
[ 255.813660][ T67] ? br_del_if (net/bridge/br_if.c:742) 
[ 255.814079][ T67] ? br_device_event (net/bridge/br.c:141) 
[ 255.814410][ T67] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 255.814948][ T67] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 255.815278][ T67] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 255.815790][ T67] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 255.816192][ T67] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 255.816519][ T67] ? cleanup_net (net/core/net_namespace.c:684) 
[ 255.816852][ T67] ? process_one_work (kernel/workqueue.c:3238) 
[ 255.817178][ T67] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 255.817513][ T67] ? kthread (kernel/kthread.c:464) 
[ 255.817769][ T67] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 255.818096][ T67] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 255.818435][ T67] netif_set_mtu (net/core/dev.c:9652) 
[ 255.818769][ T67] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 255.819111][ T67] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 255.819353][ T67] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 255.819685][ T67] br_del_if (net/bridge/br_if.c:743) 
[ 255.819935][ T67] br_device_event (net/bridge/br.c:141) 
[ 255.820255][ T67] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 255.820584][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 255.820920][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 255.821335][ T67] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 255.821763][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 255.822173][ T67] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 255.822519][ T67] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 255.822950][ T67] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 255.823373][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 255.823709][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 255.824122][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 255.824445][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 255.824862][ T67] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 255.825264][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 255.825732][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 255.826147][ T67] default_device_exit_batch (net/core/dev.c:12673) 
[ 255.826481][ T67] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 255.826901][ T67] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 255.827235][ T67] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 255.827561][ T67] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 255.827907][ T67] cleanup_net (net/core/net_namespace.c:684) 
[ 255.828238][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 255.828562][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 255.828899][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 255.829240][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 255.829594][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 255.829938][ T67] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 255.830275][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 255.830606][ T67] kthread (kernel/kthread.c:464) 
[ 255.830857][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 255.831180][ T67] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 255.831505][ T67] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 255.831843][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 255.832166][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 255.832495][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 255.832827][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 255.833159][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  255.857602][   T67] ------------[ cut here ]------------
| [ 255.857987][ T67] WARNING: CPU: 2 PID: 67 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) 
| [  255.858563][   T67] Modules linked in: vxlan
| [  255.859704][   T67] Tainted: [W]=WARN
[  255.859965][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  255.860386][   T67] Workqueue: netns cleanup_net
[ 255.860818][ T67] 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) 
[ 255.861169][ T67] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  255.862355][   T67] RSP: 0000:ffffc90000487360 EFLAGS: 00010246
[  255.862788][   T67] RAX: 0000000000000000 RBX: ffff88801313a000 RCX: 0000000000000001
[  255.863264][   T67] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  255.863767][   T67] RBP: ffffc90000487450 R08: 0000000000000000 R09: 0000000000000000
[  255.864239][   T67] R10: ffffc90000487480 R11: ffffffffa558d1e0 R12: 1ffff92000090e70
[  255.864723][   T67] R13: 00000000000005dc R14: ffffc90000487480 R15: ffff88801313af48
[  255.865201][   T67] FS:  0000000000000000(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[  255.865785][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  255.866197][   T67] CR2: 00007f1bc2e09ab0 CR3: 0000000013034005 CR4: 0000000000772ef0
[  255.866698][   T67] PKRU: 55555554
[  255.866955][   T67] Call Trace:
[  255.867199][   T67]  <TASK>
[ 255.867368][ T67] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 255.867699][ T67] ? __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) 
[ 255.868117][ T67] ? br_del_if (net/bridge/br_if.c:742) 
[ 255.868364][ T67] ? br_device_event (net/bridge/br.c:141) 
[ 255.868693][ T67] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 255.869015][ T67] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 255.869340][ T67] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 255.869748][ T67] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 255.870148][ T67] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 255.870466][ T67] ? cleanup_net (net/core/net_namespace.c:684) 
[ 255.870798][ T67] ? process_one_work (kernel/workqueue.c:3238) 
[ 255.871117][ T67] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 255.871435][ T67] ? kthread (kernel/kthread.c:464) 
[ 255.871688][ T67] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 255.872012][ T67] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 255.872341][ T67] netif_set_mtu (net/core/dev.c:9652) 
[ 255.872669][ T67] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 255.873026][ T67] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 255.873275][ T67] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 255.873602][ T67] br_del_if (net/bridge/br_if.c:743) 
[ 255.873864][ T67] br_device_event (net/bridge/br.c:141) 
[ 255.874187][ T67] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 255.874514][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 255.874855][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 255.875261][ T67] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 255.875701][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 255.876113][ T67] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 255.876449][ T67] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 255.876881][ T67] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 255.877303][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 255.877640][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 255.878057][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 255.878385][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 255.878799][ T67] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 255.879194][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 255.879592][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 255.880017][ T67] default_device_exit_batch (net/core/dev.c:12673) 
[ 255.880343][ T67] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 255.880768][ T67] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 255.881099][ T67] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 255.881418][ T67] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 255.881766][ T67] cleanup_net (net/core/net_namespace.c:684) 
[ 255.882097][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 255.882440][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 255.882779][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 255.883120][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 255.883450][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 255.883785][ T67] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 255.884122][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 255.884443][ T67] kthread (kernel/kthread.c:464) 
[ 255.884700][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 255.885029][ T67] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 255.885351][ T67] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 255.885695][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 255.886022][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 255.886342][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 255.886663][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 255.886994][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  255.929798][   T67] ------------[ cut here ]------------
| [ 255.930156][ T67] WARNING: CPU: 2 PID: 67 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) 
| [  255.930742][   T67] Modules linked in: vxlan
| [  255.932011][   T67] Tainted: [W]=WARN
[  255.932435][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  255.932846][   T67] Workqueue: netns cleanup_net
[ 255.933177][ T67] 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) 
[ 255.933504][ T67] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  255.934657][   T67] RSP: 0000:ffffc90000487360 EFLAGS: 00010246
[  255.935086][   T67] RAX: 0000000000000000 RBX: ffff888012812000 RCX: 0000000000000001
[  255.935605][   T67] RDX: 0000000000000000 RSI: ffffffffa4b10759 RDI: ffffffffa4258280
[  255.936133][   T67] RBP: ffffc90000487450 R08: 0000000000000000 R09: 0000000000000000
[  255.936649][   T67] R10: ffffc90000487480 R11: ffffffffa558d1e0 R12: 1ffff92000090e70
[  255.937156][   T67] R13: 00000000000005dc R14: ffffc90000487480 R15: ffff888012812f48
[  255.937632][   T67] FS:  0000000000000000(0000) GS:ffff8880c5e99000(0000) knlGS:0000000000000000
[  255.938195][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  255.938594][   T67] CR2: 00007f1bc2e09ab0 CR3: 000000002554a006 CR4: 0000000000772ef0
[  255.939084][   T67] PKRU: 55555554
[  255.939335][   T67] Call Trace:
[  255.939575][   T67]  <TASK>
[ 255.939758][ T67] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 255.940082][ T67] ? __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) 
[ 255.940473][ T67] ? br_del_if (net/bridge/br_if.c:742) 
[ 255.940741][ T67] ? br_device_event (net/bridge/br.c:141) 
[ 255.941063][ T67] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 255.941383][ T67] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 255.941715][ T67] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 255.942116][ T67] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 255.942508][ T67] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 255.942839][ T67] ? cleanup_net (net/core/net_namespace.c:684) 
[ 255.943155][ T67] ? process_one_work (kernel/workqueue.c:3238) 
[ 255.943475][ T67] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 255.943806][ T67] ? kthread (kernel/kthread.c:464) 
[ 255.944050][ T67] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 255.944373][ T67] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 255.944727][ T67] netif_set_mtu (net/core/dev.c:9652) 
[ 255.945049][ T67] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 255.945389][ T67] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 255.945654][ T67] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 255.945999][ T67] br_del_if (net/bridge/br_if.c:743) 
[ 255.946254][ T67] br_device_event (net/bridge/br.c:141) 
[ 255.946589][ T67] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 255.946952][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 255.947307][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 255.947739][ T67] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 255.948189][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 255.948614][ T67] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 255.948987][ T67] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 255.949421][ T67] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 255.949877][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 255.950236][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 255.950657][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 255.951016][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 255.951428][ T67] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 255.951857][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 255.952281][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 255.952726][ T67] default_device_exit_batch (net/core/dev.c:12673) 
[ 255.953074][ T67] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 255.953484][ T67] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 255.953837][ T67] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 255.954155][ T67] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 255.954483][ T67] cleanup_net (net/core/net_namespace.c:684) 
[ 255.954835][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 255.955179][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 255.955518][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 255.955877][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 255.956222][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 255.956569][ T67] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 255.956914][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 255.957245][ T67] kthread (kernel/kthread.c:464) 
[ 255.957503][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 255.957839][ T67] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 255.958161][ T67] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 255.958493][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 255.958834][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 255.959158][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 255.959485][ T67] ? __pfx_kthread (kernel/kthread.c:413) 


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