======================================
| [   35.282816][  T472] br1: port 1(vethhv-11) entered forwarding state
| [   35.284485][  T472] ------------[ cut here ]------------
| [ 35.284838][ T472] WARNING: CPU: 2 PID: 472 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.285464][  T472] Modules linked in: vxlan
[   35.286407][  T472] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.286806][ T472] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.287130][ T472] 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
[   35.288210][  T472] RSP: 0018:ffffc90000686ef0 EFLAGS: 00010246
[   35.288600][  T472] RAX: 0000000000000000 RBX: ffff88800b54a000 RCX: 0000000000000001
[   35.289096][  T472] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[   35.289559][  T472] RBP: ffffc90000686fd8 R08: 0000000000000000 R09: 0000000000000000
[   35.290027][  T472] R10: ffffc90000687008 R11: ffffffff8bf8d1e0 R12: 1ffff920000d0de2
[   35.290483][  T472] R13: 00000000000005dc R14: ffffc90000687008 R15: ffff88800b54af48
[   35.290952][  T472] FS:  00007f422bd67800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[   35.291488][  T472] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.291884][  T472] CR2: 00000000004e6890 CR3: 000000000c3be005 CR4: 0000000000772ef0
[   35.292353][  T472] PKRU: 55555554
[   35.292589][  T472] Call Trace:
[   35.292861][  T472]  <TASK>
[ 35.293037][ T472] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.293357][ T472] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.293688][ T472] netif_set_mtu (net/core/dev.c:9652) 
[ 35.294007][ T472] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.294333][ T472] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.294574][ T472] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 35.294904][ T472] br_add_if (net/bridge/br_if.c:697) 
[ 35.295152][ T472] do_set_master (net/core/rtnetlink.c:2948) 
[ 35.295463][ T472] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.295784][ T472] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.296106][ T472] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.296491][ T472] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.296830][ T472] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.297144][ T472] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.297453][ T472] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.297760][ T472] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.298083][ T472] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.298459][ T472] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.298770][ T472] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.299097][ T472] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.299405][ T472] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.299722][ T472] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.300040][ T472] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.300346][ T472] ? __create_object (mm/kmemleak.c:771) 
[ 35.300661][ T472] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.300987][ T472] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.301309][ T472] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.301697][ T472] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.302021][ T472] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.302336][ T472] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.302643][ T472] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.302969][ T472] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.303286][ T472] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.303593][ T472] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.303915][ T472] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.304232][ T472] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.304542][ T472] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.304878][ T472] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.305194][ T472] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.305508][ T472] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.305832][ T472] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.306151][ T472] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.306460][ T472] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.306769][ T472] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 35.307087][ T472] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.307395][ T472] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.307707][ T472] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.308028][ T472] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.308336][ T472] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.308664][ T472] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.309004][ T472] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.309314][ T472] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.309705][ T472] ___sys_sendmsg (net/socket.c:2670) 
[ 35.310017][ T472] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.310328][ T472] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.310709][ T472] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.311042][ T472] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.311352][ T472] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.311693][ T472] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.312011][ T472] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.312324][ T472] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.312639][ T472] __sys_sendmsg (net/socket.c:2700) 
[ 35.312961][ T472] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.313352][ T472] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.313671][ T472] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.313990][ T472] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.314303][ T472] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.314685][  T472] RIP: 0033:0x7f422bf341e7
[ 35.315022][ T472] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.316103][  T472] RSP: 002b:00007ffdc50e92c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.316564][  T472] RAX: ffffffffffffffda RBX: 00007ffdc50e9a00 RCX: 00007f422bf341e7
[   35.317043][  T472] RDX: 0000000000000000 RSI: 00007ffdc50e9330 RDI: 0000000000000005
[   35.317512][  T472] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   35.317982][  T472] R10: 0000000020ad1910 R11: 0000000000000246 R12: 0000000000000003
[   35.318438][  T472] R13: 00000000686e51d7 R14: 0000000000499600 R15: 0000000000000000
| [   36.829398][  T498] ------------[ cut here ]------------
| [ 36.829697][ T498] WARNING: CPU: 3 PID: 498 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) 
| [   36.830292][  T498] Modules linked in: vxlan
| [   36.831478][  T498] Tainted: [W]=WARN
[   36.831703][  T498] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.832075][ T498] 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) 
[ 36.832375][ T498] 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
[   36.833436][  T498] RSP: 0018:ffffc90000e66ef0 EFLAGS: 00010246
[   36.833817][  T498] RAX: 0000000000000000 RBX: ffff88800b54a000 RCX: 0000000000000001
[   36.834254][  T498] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[   36.834694][  T498] RBP: ffffc90000e66fd8 R08: 0000000000000000 R09: 0000000000000000
[   36.835147][  T498] R10: ffffc90000e67008 R11: ffffffff8c8ceab8 R12: 1ffff920001ccde2
[   36.835586][  T498] R13: 00000000000005aa R14: ffffc90000e67008 R15: ffff88800b54af48
[   36.836033][  T498] FS:  00007f0f0e5ba800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[   36.836550][  T498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.836926][  T498] CR2: 00000000004e6890 CR3: 0000000011bba002 CR4: 0000000000772ef0
[   36.837367][  T498] PKRU: 55555554
[   36.837587][  T498] Call Trace:
[   36.837812][  T498]  <TASK>
[ 36.837964][ T498] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.838260][ T498] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 36.838554][ T498] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 36.838934][ T498] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 36.839231][ T498] netif_set_mtu (net/core/dev.c:9652) 
[ 36.839525][ T498] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 36.839834][ T498] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 36.840205][ T498] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 36.840428][ T498] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 36.840727][ T498] br_add_if (net/bridge/br_if.c:697) 
[ 36.840970][ T498] do_set_master (net/core/rtnetlink.c:2948) 
[ 36.841262][ T498] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.841558][ T498] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 36.841870][ T498] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.842244][ T498] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.842537][ T498] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.842837][ T498] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.843136][ T498] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.843431][ T498] ? __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) 
[ 36.843724][ T498] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.844096][ T498] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.844392][ T498] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.844685][ T498] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.844984][ T498] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.845290][ T498] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.845596][ T498] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.845895][ T498] ? __create_object (mm/kmemleak.c:771) 
[ 36.846192][ T498] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.846486][ T498] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.846779][ T498] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.847149][ T498] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.847453][ T498] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.847753][ T498] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.848055][ T498] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.848356][ T498] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.848649][ T498] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.848960][ T498] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.849256][ T498] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.849547][ T498] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.849853][ T498] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.850150][ T498] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.850447][ T498] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.850739][ T498] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.851043][ T498] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.851347][ T498] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.851637][ T498] ? 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) 
[ 36.851942][ T498] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.852237][ T498] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.852529][ T498] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.852832][ T498] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.853131][ T498] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.853426][ T498] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.853725][ T498] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.854030][ T498] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.854326][ T498] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.854711][ T498] ___sys_sendmsg (net/socket.c:2670) 
[ 36.855047][ T498] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.855341][ T498] ? __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) 
[ 36.855707][ T498] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.856013][ T498] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.856321][ T498] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.856620][ T498] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.856921][ T498] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.857215][ T498] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.857516][ T498] __sys_sendmsg (net/socket.c:2700) 
[ 36.857816][ T498] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.858183][ T498] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.858489][ T498] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.858805][ T498] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.859115][ T498] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.859478][  T498] RIP: 0033:0x7f0f0e7871e7
[ 36.859780][ T498] 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)
[   36.860834][  T498] RSP: 002b:00007ffca3105bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.861276][  T498] RAX: ffffffffffffffda RBX: 00007ffca3106330 RCX: 00007f0f0e7871e7
[   36.861715][  T498] RDX: 0000000000000000 RSI: 00007ffca3105c60 RDI: 0000000000000005
[   36.862162][  T498] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   36.862604][  T498] R10: 0000000010eae910 R11: 0000000000000246 R12: 0000000000000003
[   36.863050][  T498] R13: 00000000686e51d9 R14: 0000000000499600 R15: 0000000000000000
| [   40.450035][  T548] ------------[ cut here ]------------
| [ 40.450351][ T548] WARNING: CPU: 0 PID: 548 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) 
| [   40.450975][  T548] Modules linked in: vxlan
| [   40.451925][  T548] Tainted: [W]=WARN
[   40.452161][  T548] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.452546][ T548] 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) 
[ 40.452874][ T548] 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
[   40.453986][  T548] RSP: 0018:ffffc90000bd6ef0 EFLAGS: 00010246
[   40.454377][  T548] RAX: 0000000000000000 RBX: ffff88801098a000 RCX: 0000000000000001
[   40.454850][  T548] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[   40.455315][  T548] RBP: ffffc90000bd6fd8 R08: 0000000000000000 R09: 0000000000000000
[   40.455782][  T548] R10: ffffc90000bd7008 R11: ffffffff8bf8d1e0 R12: 1ffff9200017ade2
[   40.456254][  T548] R13: 00000000000005dc R14: ffffc90000bd7008 R15: ffff88801098af48
[   40.456716][  T548] FS:  00007f78433ea800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[   40.457277][  T548] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.457666][  T548] CR2: 00000000004e6898 CR3: 000000000db7d003 CR4: 0000000000772ef0
[   40.458140][  T548] PKRU: 55555554
[   40.458372][  T548] Call Trace:
[   40.458600][  T548]  <TASK>
[ 40.458760][ T548] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.459090][ T548] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.459421][ T548] netif_set_mtu (net/core/dev.c:9652) 
[ 40.459727][ T548] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 40.460059][ T548] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 40.460295][ T548] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 40.460608][ T548] br_add_if (net/bridge/br_if.c:697) 
[ 40.460859][ T548] do_set_master (net/core/rtnetlink.c:2948) 
[ 40.461168][ T548] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.461481][ T548] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 40.461811][ T548] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.462202][ T548] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.462514][ T548] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.462826][ T548] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.463137][ T548] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.463450][ T548] ? __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) 
[ 40.463759][ T548] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.464155][ T548] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.464466][ T548] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.464773][ T548] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.465104][ T548] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.465415][ T548] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.465723][ T548] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.466045][ T548] ? __create_object (mm/kmemleak.c:771) 
[ 40.466361][ T548] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.466670][ T548] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.466990][ T548] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.467376][ T548] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.467693][ T548] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.468016][ T548] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.468325][ T548] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.468641][ T548] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.468967][ T548] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.469273][ T548] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.469584][ T548] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.469900][ T548] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.470210][ T548] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.470524][ T548] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.470847][ T548] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.471156][ T548] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.471467][ T548] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.471786][ T548] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.472106][ T548] ? 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) 
[ 40.472416][ T548] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.472727][ T548] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.473048][ T548] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.473371][ T548] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.473684][ T548] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.474009][ T548] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.474330][ T548] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.474643][ T548] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.474957][ T548] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.475352][ T548] ___sys_sendmsg (net/socket.c:2670) 
[ 40.475658][ T548] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.475974][ T548] ? __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) 
[ 40.476361][ T548] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.476670][ T548] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.476988][ T548] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.477303][ T548] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.477610][ T548] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.477925][ T548] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.478249][ T548] __sys_sendmsg (net/socket.c:2700) 
[ 40.478556][ T548] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.478950][ T548] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.479276][ T548] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.479587][ T548] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.479903][ T548] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.480285][  T548] RIP: 0033:0x7f78435b71e7
[ 40.480612][ T548] 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)
[   40.481721][  T548] RSP: 002b:00007ffe42a60ed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.482195][  T548] RAX: ffffffffffffffda RBX: 00007ffe42a61610 RCX: 00007f78435b71e7
[   40.482667][  T548] RDX: 0000000000000000 RSI: 00007ffe42a60f40 RDI: 0000000000000005
[   40.483134][  T548] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   40.483593][  T548] R10: 000000003fd8a910 R11: 0000000000000246 R12: 0000000000000003
[   40.484062][  T548] R13: 00000000686e51dd R14: 0000000000499600 R15: 0000000000000000
| [   41.995705][  T574] ------------[ cut here ]------------
| [ 41.996015][ T574] WARNING: CPU: 3 PID: 574 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) 
| [   41.996603][  T574] Modules linked in: vxlan
| [   41.997513][  T574] Tainted: [W]=WARN
[   41.997737][  T574] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.999177][ T574] 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) 
[ 41.999490][ T574] 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
[   42.000551][  T574] RSP: 0018:ffffc90001056ef0 EFLAGS: 00010246
[   42.000934][  T574] RAX: 0000000000000000 RBX: ffff88801098a000 RCX: 0000000000000001
[   42.001379][  T574] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[   42.001826][  T574] RBP: ffffc90001056fd8 R08: 0000000000000000 R09: 0000000000000000
[   42.002266][  T574] R10: ffffc90001057008 R11: ffffffff8c8ceab8 R12: 1ffff9200020ade2
[   42.002709][  T574] R13: 0000000000000596 R14: ffffc90001057008 R15: ffff88801098af48
[   42.003161][  T574] FS:  00007f6fa86f3800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[   42.003679][  T574] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.004060][  T574] CR2: 00000000004e6898 CR3: 000000000a1b9002 CR4: 0000000000772ef0
[   42.004505][  T574] PKRU: 55555554
[   42.004728][  T574] Call Trace:
[   42.004957][  T574]  <TASK>
[ 42.005114][ T574] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.005412][ T574] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 42.005711][ T574] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 42.006083][ T574] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 42.006378][ T574] netif_set_mtu (net/core/dev.c:9652) 
[ 42.006673][ T574] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 42.006983][ T574] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 42.007358][ T574] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 42.007582][ T574] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 42.007888][ T574] br_add_if (net/bridge/br_if.c:697) 
[ 42.008121][ T574] do_set_master (net/core/rtnetlink.c:2948) 
[ 42.008437][ T574] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.008743][ T574] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 42.009067][ T574] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.009445][ T574] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.009742][ T574] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.010041][ T574] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.010336][ T574] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.010635][ T574] ? __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) 
[ 42.010940][ T574] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.011305][ T574] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.011611][ T574] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.011912][ T574] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.012206][ T574] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.012506][ T574] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.012819][ T574] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.013113][ T574] ? __create_object (mm/kmemleak.c:771) 
[ 42.013413][ T574] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.013710][ T574] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.014021][ T574] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.014385][ T574] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.014690][ T574] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.015000][ T574] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.015296][ T574] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.015597][ T574] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.015907][ T574] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.016206][ T574] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.016502][ T574] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.016808][ T574] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.017106][ T574] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.017402][ T574] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.017718][ T574] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.018039][ T574] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.018338][ T574] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.018646][ T574] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.018957][ T574] ? 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) 
[ 42.019258][ T574] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.019555][ T574] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.019858][ T574] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.020160][ T574] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.020458][ T574] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.020785][ T574] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.021103][ T574] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.021402][ T574] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.021694][ T574] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.022101][ T574] ___sys_sendmsg (net/socket.c:2670) 
[ 42.022395][ T574] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.022688][ T574] ? __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) 
[ 42.023075][ T574] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.023375][ T574] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.023676][ T574] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.023990][ T574] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.024285][ T574] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.024584][ T574] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.024896][ T574] __sys_sendmsg (net/socket.c:2700) 
[ 42.025193][ T574] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.025559][ T574] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.025874][ T574] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.026173][ T574] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.026467][ T574] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.026836][  T574] RIP: 0033:0x7f6fa88c01e7
[ 42.027145][ T574] 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)
[   42.028209][  T574] RSP: 002b:00007ffc85f86ed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.028654][  T574] RAX: ffffffffffffffda RBX: 00007ffc85f87610 RCX: 00007f6fa88c01e7
[   42.029118][  T574] RDX: 0000000000000000 RSI: 00007ffc85f86f40 RDI: 0000000000000005
[   42.029566][  T574] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   42.030015][  T574] R10: 00000000180a9910 R11: 0000000000000246 R12: 0000000000000003
[   42.030457][  T574] R13: 00000000686e51de R14: 0000000000499600 R15: 0000000000000000
| [   45.542432][  T625] ------------[ cut here ]------------
| [ 45.542785][ T625] WARNING: CPU: 2 PID: 625 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) 
| [   45.544301][  T625] Modules linked in: vxlan
| [   45.545285][  T625] Tainted: [W]=WARN
[   45.545536][  T625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.545957][ T625] 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) 
[ 45.546316][ T625] 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
[   45.547480][  T625] RSP: 0018:ffffc900011b6ef0 EFLAGS: 00010246
[   45.547906][  T625] RAX: 0000000000000000 RBX: ffff88800c69a000 RCX: 0000000000000001
[   45.548391][  T625] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[   45.548889][  T625] RBP: ffffc900011b6fd8 R08: 0000000000000000 R09: 0000000000000000
[   45.549380][  T625] R10: ffffc900011b7008 R11: ffffffff8bf8d1e0 R12: 1ffff92000236de2
[   45.549890][  T625] R13: 00000000000005dc R14: ffffc900011b7008 R15: ffff88800c69af48
[   45.550373][  T625] FS:  00007fc7e5055800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[   45.550959][  T625] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.551375][  T625] CR2: 00000000004e6890 CR3: 0000000009d86002 CR4: 0000000000772ef0
[   45.551877][  T625] PKRU: 55555554
[   45.552131][  T625] Call Trace:
[   45.552380][  T625]  <TASK>
[ 45.552556][ T625] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 45.552900][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.553254][ T625] netif_set_mtu (net/core/dev.c:9652) 
[ 45.553588][ T625] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 45.553952][ T625] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 45.554211][ T625] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 45.554547][ T625] br_add_if (net/bridge/br_if.c:697) 
[ 45.554824][ T625] do_set_master (net/core/rtnetlink.c:2948) 
[ 45.555153][ T625] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 45.555488][ T625] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 45.555843][ T625] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 45.556259][ T625] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 45.556588][ T625] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 45.556930][ T625] ? __kernel_text_address (kernel/extable.c:79) 
[ 45.557263][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.557606][ T625] ? __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) 
[ 45.557964][ T625] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 45.558376][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.558708][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.559062][ T625] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 45.559390][ T625] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 45.559720][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.560063][ T625] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 45.560398][ T625] ? __create_object (mm/kmemleak.c:771) 
[ 45.560728][ T625] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 45.561066][ T625] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.561390][ T625] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 45.561834][ T625] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 45.562174][ T625] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 45.562510][ T625] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.562849][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.563196][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.563522][ T625] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 45.563854][ T625] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.564184][ T625] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.564502][ T625] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 45.564843][ T625] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.565196][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.565531][ T625] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 45.565889][ T625] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.566212][ T625] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 45.566544][ T625] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 45.566901][ T625] ? 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) 
[ 45.567233][ T625] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 45.567568][ T625] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 45.567918][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.568254][ T625] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.568586][ T625] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 45.568921][ T625] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 45.569290][ T625] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.569626][ T625] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 45.569995][ T625] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 45.570418][ T625] ___sys_sendmsg (net/socket.c:2670) 
[ 45.570752][ T625] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 45.571097][ T625] ? __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) 
[ 45.571507][ T625] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 45.571850][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.572182][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.572511][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.572845][ T625] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 45.573177][ T625] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.573511][ T625] __sys_sendmsg (net/socket.c:2700) 
[ 45.573855][ T625] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 45.574283][ T625] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 45.574627][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.574973][ T625] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.575315][ T625] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.575709][  T625] RIP: 0033:0x7fc7e52221e7
[ 45.576060][ T625] 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)
[   45.577205][  T625] RSP: 002b:00007ffe066b29c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.577695][  T625] RAX: ffffffffffffffda RBX: 00007ffe066b3100 RCX: 00007fc7e52221e7
[   45.578219][  T625] RDX: 0000000000000000 RSI: 00007ffe066b2a30 RDI: 0000000000000005
[   45.578721][  T625] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   45.579228][  T625] R10: 000000000f37d910 R11: 0000000000000246 R12: 0000000000000003
[   45.579711][  T625] R13: 00000000686e51e2 R14: 0000000000499600 R15: 0000000000000000
| [   47.145342][  T651] ------------[ cut here ]------------
| [ 47.145675][ T651] WARNING: CPU: 2 PID: 651 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) 
| [   47.146321][  T651] Modules linked in: vxlan
| [   47.147334][  T651] Tainted: [W]=WARN
[   47.147588][  T651] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.148009][ T651] 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) 
[ 47.148360][ T651] 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
[   47.149517][  T651] RSP: 0018:ffffc90001236ef0 EFLAGS: 00010246
[   47.149942][  T651] RAX: 0000000000000000 RBX: ffff88800c69a000 RCX: 0000000000000001
[   47.150438][  T651] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[   47.150922][  T651] RBP: ffffc90001236fd8 R08: 0000000000000000 R09: 0000000000000000
[   47.151392][  T651] R10: ffffc90001237008 R11: ffffffff8c8ceab8 R12: 1ffff92000246de2
[   47.151877][  T651] R13: 00000000000005aa R14: ffffc90001237008 R15: ffff88800c69af48
[   47.152360][  T651] FS:  00007faafcbb3800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[   47.152929][  T651] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.153335][  T651] CR2: 00000000004e6890 CR3: 0000000010bf5005 CR4: 0000000000772ef0
[   47.153832][  T651] PKRU: 55555554
[   47.154106][  T651] Call Trace:
[   47.154358][  T651]  <TASK>
[ 47.154537][ T651] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 47.154891][ T651] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 47.155239][ T651] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 47.155635][ T651] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 47.155975][ T651] netif_set_mtu (net/core/dev.c:9652) 
[ 47.156301][ T651] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 47.156632][ T651] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 47.157050][ T651] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 47.157303][ T651] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 47.157626][ T651] br_add_if (net/bridge/br_if.c:697) 
[ 47.157897][ T651] do_set_master (net/core/rtnetlink.c:2948) 
[ 47.158217][ T651] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 47.158545][ T651] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 47.158882][ T651] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 47.159298][ T651] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 47.159626][ T651] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 47.159961][ T651] ? __kernel_text_address (kernel/extable.c:79) 
[ 47.160287][ T651] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.160612][ T651] ? __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) 
[ 47.160946][ T651] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 47.161347][ T651] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.161671][ T651] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.162007][ T651] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 47.162327][ T651] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 47.162650][ T651] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.162983][ T651] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 47.163305][ T651] ? __create_object (mm/kmemleak.c:771) 
[ 47.163628][ T651] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 47.163966][ T651] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.164296][ T651] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 47.164713][ T651] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 47.165063][ T651] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 47.165399][ T651] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.165727][ T651] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.166078][ T651] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.166407][ T651] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 47.166724][ T651] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.167066][ T651] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.167388][ T651] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 47.167707][ T651] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.168043][ T651] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.168371][ T651] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 47.168691][ T651] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.169052][ T651] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 47.169398][ T651] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 47.169728][ T651] ? 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) 
[ 47.170071][ T651] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 47.170407][ T651] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 47.170732][ T651] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.171091][ T651] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 47.171417][ T651] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 47.171747][ T651] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 47.172087][ T651] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 47.172415][ T651] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 47.172735][ T651] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 47.173153][ T651] ___sys_sendmsg (net/socket.c:2670) 
[ 47.173472][ T651] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 47.173805][ T651] ? __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) 
[ 47.174208][ T651] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 47.174563][ T651] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.174909][ T651] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.175246][ T651] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.175578][ T651] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 47.175923][ T651] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.176250][ T651] __sys_sendmsg (net/socket.c:2700) 
[ 47.176574][ T651] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 47.177012][ T651] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 47.177349][ T651] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.177673][ T651] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 47.178013][ T651] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.178434][  T651] RIP: 0033:0x7faafcd801e7
[ 47.178774][ T651] 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)
[   47.179927][  T651] RSP: 002b:00007ffd3ab91db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   47.180404][  T651] RAX: ffffffffffffffda RBX: 00007ffd3ab924f0 RCX: 00007faafcd801e7
[   47.180890][  T651] RDX: 0000000000000000 RSI: 00007ffd3ab91e20 RDI: 0000000000000005
[   47.181367][  T651] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   47.181859][  T651] R10: 0000000038c8a910 R11: 0000000000000246 R12: 0000000000000003
[   47.182358][  T651] R13: 00000000686e51e3 R14: 0000000000499600 R15: 0000000000000000
| [   50.796937][  T701] ------------[ cut here ]------------
| [ 50.797248][ T701] WARNING: CPU: 0 PID: 701 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) 
| [   50.797871][  T701] Modules linked in: vxlan
| [   50.798827][  T701] Tainted: [W]=WARN
[   50.799075][  T701] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.799463][ T701] 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) 
[ 50.799783][ T701] 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
[   50.800935][  T701] RSP: 0018:ffffc90001396ef0 EFLAGS: 00010246
[   50.801338][  T701] RAX: 0000000000000000 RBX: ffff888012052000 RCX: 0000000000000001
[   50.801817][  T701] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[   50.802279][  T701] RBP: ffffc90001396fd8 R08: 0000000000000000 R09: 0000000000000000
[   50.802743][  T701] R10: ffffc90001397008 R11: ffffffff8bf8d1e0 R12: 1ffff92000272de2
[   50.803222][  T701] R13: 00000000000005dc R14: ffffc90001397008 R15: ffff888012052f48
[   50.803690][  T701] FS:  00007fb77f20b800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[   50.804236][  T701] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.804631][  T701] CR2: 00000000004e6898 CR3: 000000000e3c0006 CR4: 0000000000772ef0
[   50.805119][  T701] PKRU: 55555554
[   50.805361][  T701] Call Trace:
[   50.805593][  T701]  <TASK>
[ 50.805752][ T701] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 50.806068][ T701] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.806391][ T701] netif_set_mtu (net/core/dev.c:9652) 
[ 50.806703][ T701] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 50.807034][ T701] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 50.807271][ T701] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 50.807592][ T701] br_add_if (net/bridge/br_if.c:697) 
[ 50.807842][ T701] do_set_master (net/core/rtnetlink.c:2948) 
[ 50.808153][ T701] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 50.808464][ T701] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 50.808782][ T701] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 50.809221][ T701] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 50.809532][ T701] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 50.809857][ T701] ? __kernel_text_address (kernel/extable.c:79) 
[ 50.810168][ T701] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.810479][ T701] ? __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) 
[ 50.810805][ T701] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 50.811196][ T701] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.811507][ T701] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.811822][ T701] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 50.812136][ T701] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 50.812445][ T701] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.812756][ T701] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 50.813081][ T701] ? __create_object (mm/kmemleak.c:771) 
[ 50.813402][ T701] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 50.813713][ T701] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 50.814032][ T701] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 50.814413][ T701] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 50.814737][ T701] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 50.815067][ T701] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.815377][ T701] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.815692][ T701] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.816011][ T701] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 50.816317][ T701] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.816627][ T701] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.816986][ T701] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 50.817313][ T701] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.817623][ T701] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.817944][ T701] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 50.818254][ T701] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.818564][ T701] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 50.818893][ T701] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 50.819207][ T701] ? 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) 
[ 50.819525][ T701] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 50.819854][ T701] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 50.820164][ T701] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.820476][ T701] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 50.820800][ T701] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 50.821113][ T701] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 50.821431][ T701] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 50.821747][ T701] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 50.822065][ T701] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 50.822461][ T701] ___sys_sendmsg (net/socket.c:2670) 
[ 50.822768][ T701] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 50.823099][ T701] ? __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) 
[ 50.823494][ T701] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 50.823815][ T701] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.824138][ T701] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.824454][ T701] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.824764][ T701] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 50.825084][ T701] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.825403][ T701] __sys_sendmsg (net/socket.c:2700) 
[ 50.825711][ T701] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 50.826107][ T701] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 50.826435][ T701] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.826750][ T701] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 50.827089][ T701] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   50.827482][  T701] RIP: 0033:0x7fb77f3d81e7
[ 50.827813][ T701] 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)
[   50.828947][  T701] RSP: 002b:00007ffd30aa96e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   50.829414][  T701] RAX: ffffffffffffffda RBX: 00007ffd30aa9e20 RCX: 00007fb77f3d81e7
[   50.829886][  T701] RDX: 0000000000000000 RSI: 00007ffd30aa9750 RDI: 0000000000000005
[   50.830350][  T701] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   50.830835][  T701] R10: 0000000039e3f910 R11: 0000000000000246 R12: 0000000000000003
[   50.831312][  T701] R13: 00000000686e51e7 R14: 0000000000499600 R15: 0000000000000000
| [   52.375739][  T727] ------------[ cut here ]------------
| [ 52.376060][ T727] WARNING: CPU: 1 PID: 727 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) 
| [   52.376656][  T727] Modules linked in: vxlan
| [   52.377597][  T727] Tainted: [W]=WARN
[   52.377843][  T727] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 52.378225][ T727] 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) 
[ 52.378546][ T727] 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
[   52.379620][  T727] RSP: 0018:ffffc90001486ef0 EFLAGS: 00010246
[   52.380026][  T727] RAX: 0000000000000000 RBX: ffff888012052000 RCX: 0000000000000001
[   52.380478][  T727] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[   52.380936][  T727] RBP: ffffc90001486fd8 R08: 0000000000000000 R09: 0000000000000000
[   52.381381][  T727] R10: ffffc90001487008 R11: ffffffff8bf8d1e0 R12: 1ffff92000290de2
[   52.381842][  T727] R13: 0000000000000596 R14: ffffc90001487008 R15: ffff888012052f48
[   52.382298][  T727] FS:  00007f4eb2191800(0000) GS:ffff8880df419000(0000) knlGS:0000000000000000
[   52.382828][  T727] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.383207][  T727] CR2: 00000000004e6898 CR3: 000000000c088005 CR4: 0000000000772ef0
[   52.383654][  T727] PKRU: 55555554
[   52.383890][  T727] Call Trace:
[   52.384114][  T727]  <TASK>
[ 52.384270][ T727] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 52.384572][ T727] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.384894][ T727] netif_set_mtu (net/core/dev.c:9652) 
[ 52.385193][ T727] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 52.385505][ T727] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 52.385732][ T727] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 52.386052][ T727] br_add_if (net/bridge/br_if.c:697) 
[ 52.386299][ T727] do_set_master (net/core/rtnetlink.c:2948) 
[ 52.386595][ T727] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 52.386906][ T727] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 52.387211][ T727] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 52.387584][ T727] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 52.387891][ T727] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 52.388192][ T727] ? __kernel_text_address (kernel/extable.c:79) 
[ 52.388490][ T727] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.388788][ T727] ? __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) 
[ 52.389115][ T727] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 52.389482][ T727] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.389779][ T727] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.390093][ T727] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 52.390395][ T727] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 52.390693][ T727] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.390997][ T727] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 52.391293][ T727] ? __create_object (mm/kmemleak.c:771) 
[ 52.391591][ T727] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 52.391900][ T727] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 52.392206][ T727] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 52.392580][ T727] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 52.392895][ T727] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 52.393197][ T727] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.393492][ T727] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.393821][ T727] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.394119][ T727] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 52.394415][ T727] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.394712][ T727] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.395016][ T727] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 52.395316][ T727] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.395614][ T727] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.395928][ T727] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 52.396237][ T727] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.396536][ T727] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 52.396852][ T727] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 52.397147][ T727] ? 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) 
[ 52.397451][ T727] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 52.397748][ T727] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 52.398067][ T727] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.398379][ T727] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.398683][ T727] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 52.398996][ T727] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 52.399300][ T727] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.399601][ T727] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 52.399905][ T727] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 52.400285][ T727] ___sys_sendmsg (net/socket.c:2670) 
[ 52.400582][ T727] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 52.400888][ T727] ? __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) 
[ 52.401256][ T727] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 52.401556][ T727] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.401874][ T727] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.402177][ T727] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.402475][ T727] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 52.402774][ T727] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.403086][ T727] __sys_sendmsg (net/socket.c:2700) 
[ 52.403383][ T727] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 52.403751][ T727] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 52.404068][ T727] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.404366][ T727] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.404668][ T727] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   52.405045][  T727] RIP: 0033:0x7f4eb235e1e7
[ 52.405353][ T727] 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)
[   52.406433][  T727] RSP: 002b:00007ffdb2c07848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   52.406895][  T727] RAX: ffffffffffffffda RBX: 00007ffdb2c07f80 RCX: 00007f4eb235e1e7
[   52.407342][  T727] RDX: 0000000000000000 RSI: 00007ffdb2c078b0 RDI: 0000000000000005
[   52.407787][  T727] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   52.408242][  T727] R10: 00000000359eb910 R11: 0000000000000246 R12: 0000000000000003
[   52.408685][  T727] R13: 00000000686e51e8 R14: 0000000000499600 R15: 0000000000000000
| [   56.852456][   T12] ------------[ cut here ]------------
| [ 56.852803][ T12] WARNING: CPU: 0 PID: 12 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) 
| [   56.853363][   T12] Modules linked in: vxlan
| [   56.854531][   T12] Tainted: [W]=WARN
[   56.854777][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.855186][   T12] Workqueue: netns cleanup_net
[ 56.855536][ T12] 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) 
[ 56.855885][ T12] 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
[   56.857072][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[   56.857479][   T12] RAX: 0000000000000000 RBX: ffff888012052000 RCX: 0000000000000001
[   56.857967][   T12] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[   56.858448][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[   56.858943][   T12] R10: ffffc900000c7480 R11: ffffffff878be86a R12: 1ffff92000018e70
[   56.859437][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff888012052f48
[   56.859925][   T12] FS:  0000000000000000(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[   56.860485][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.860898][   T12] CR2: 00007ff27f7e1000 CR3: 0000000042b4a001 CR4: 0000000000772ef0
[   56.861393][   T12] PKRU: 55555554
[   56.861635][   T12] Call Trace:
[   56.861884][   T12]  <TASK>
[ 56.862048][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 56.862375][ T12] ? __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) 
[ 56.862772][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 56.863026][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 56.863351][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.863670][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 56.864012][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 56.864422][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 56.864825][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 56.865148][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 56.865469][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 56.865807][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 56.866131][ T12] ? kthread (kernel/kthread.c:464) 
[ 56.866370][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 56.866705][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 56.867063][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 56.867387][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 56.867727][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 56.867985][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 56.868317][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 56.868561][ T12] br_device_event (net/bridge/br.c:141) 
[ 56.868892][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 56.869233][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 56.869566][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 56.869981][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 56.870401][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 56.870822][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 56.871161][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 56.871582][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 56.872013][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 56.872344][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 56.872753][ T12] ? 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) 
[ 56.873089][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 56.873491][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 56.873904][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 56.874312][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 56.874722][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 56.875058][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 56.875467][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 56.875809][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 56.876129][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 56.876468][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 56.876788][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 56.877116][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.877441][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 56.877771][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 56.878112][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 56.878695][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 56.879054][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 56.879382][ T12] kthread (kernel/kthread.c:464) 
[ 56.879629][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 56.880424][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 56.880749][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.881084][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.881409][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 56.881735][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 56.882076][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 56.882869][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   56.910329][   T12] ------------[ cut here ]------------
| [ 56.910665][ T12] WARNING: CPU: 0 PID: 12 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) 
| [   56.911244][   T12] Modules linked in: vxlan
| [   56.912337][   T12] Tainted: [W]=WARN
[   56.912585][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.913003][   T12] Workqueue: netns cleanup_net
[ 56.913340][ T12] 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) 
[ 56.913678][ T12] 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
[   56.914859][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[   56.915271][   T12] RAX: 0000000000000000 RBX: ffff88800c69a000 RCX: 0000000000000001
[   56.915760][   T12] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[   56.916261][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[   56.916754][   T12] R10: ffffc900000c7480 R11: ffffffff8bf8d1e0 R12: 1ffff92000018e70
[   56.917251][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff88800c69af48
[   56.917738][   T12] FS:  0000000000000000(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[   56.918316][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.918733][   T12] CR2: 00007ff27f7e1000 CR3: 0000000042b4a001 CR4: 0000000000772ef0
[   56.919237][   T12] PKRU: 55555554
[   56.919481][   T12] Call Trace:
[   56.919728][   T12]  <TASK>
[ 56.919900][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 56.920227][ T12] ? __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) 
[ 56.920635][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 56.920892][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 56.921220][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.921544][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 56.921880][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 56.922280][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 56.922682][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 56.923013][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 56.923342][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 56.923662][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 56.923996][ T12] ? kthread (kernel/kthread.c:464) 
[ 56.924239][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 56.924563][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 56.924908][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 56.925234][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 56.925577][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 56.925836][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 56.926167][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 56.926415][ T12] br_device_event (net/bridge/br.c:141) 
[ 56.926739][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 56.927085][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 56.927416][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 56.927835][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 56.928259][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 56.928669][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 56.929029][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 56.929446][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 56.929881][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 56.930213][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 56.930622][ T12] ? 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) 
[ 56.930969][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 56.931374][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 56.931776][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 56.932195][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 56.932610][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 56.932951][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 56.933374][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 56.933705][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 56.934037][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 56.934371][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 56.934698][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 56.935033][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.935366][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 56.935710][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 56.936055][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 56.936384][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 56.936717][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 56.937052][ T12] kthread (kernel/kthread.c:464) 
[ 56.937298][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 56.937621][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 56.937957][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.938290][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.938619][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 56.938962][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 56.939288][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 56.939615][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   78.172057][  T966] ------------[ cut here ]------------
| [ 78.172374][ T966] WARNING: CPU: 3 PID: 966 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) 
| [   78.173024][  T966] Modules linked in: vxlan
| [   78.173999][  T966] Tainted: [W]=WARN
[   78.174236][  T966] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 78.174625][ T966] 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) 
[ 78.174956][ T966] 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
[   78.176087][  T966] RSP: 0018:ffffc90001ec6ef0 EFLAGS: 00010246
[   78.176482][  T966] RAX: 0000000000000000 RBX: ffff88800a042000 RCX: 0000000000000001
[   78.176956][  T966] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[   78.177421][  T966] RBP: ffffc90001ec6fd8 R08: 0000000000000000 R09: 0000000000000000
[   78.177901][  T966] R10: ffffc90001ec7008 R11: ffffffff8bf8d1e0 R12: 1ffff920003d8de2
[   78.178359][  T966] R13: 00000000000005dc R14: ffffc90001ec7008 R15: ffff88800a042f48
[   78.178828][  T966] FS:  00007f66be7b2800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[   78.179378][  T966] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.179768][  T966] CR2: 00000000004e6890 CR3: 000000000e3f6004 CR4: 0000000000772ef0
[   78.180256][  T966] PKRU: 55555554
[   78.180487][  T966] Call Trace:
[   78.180717][  T966]  <TASK>
[ 78.180888][ T966] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 78.181199][ T966] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 78.181539][ T966] netif_set_mtu (net/core/dev.c:9652) 
[ 78.181866][ T966] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 78.182189][ T966] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 78.182433][ T966] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 78.182753][ T966] br_add_if (net/bridge/br_if.c:697) 
[ 78.183009][ T966] do_set_master (net/core/rtnetlink.c:2948) 
[ 78.183321][ T966] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 78.183641][ T966] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 78.183963][ T966] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 78.184351][ T966] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 78.184670][ T966] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 78.184984][ T966] ? __kernel_text_address (kernel/extable.c:79) 
[ 78.185296][ T966] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 78.185608][ T966] ? __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) 
[ 78.185940][ T966] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 78.186323][ T966] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 78.186631][ T966] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 78.186948][ T966] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 78.187254][ T966] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 78.187574][ T966] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 78.187891][ T966] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 78.188197][ T966] ? __create_object (mm/kmemleak.c:771) 
[ 78.188513][ T966] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 78.188830][ T966] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 78.189161][ T966] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 78.189549][ T966] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 78.189882][ T966] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 78.190197][ T966] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 78.190505][ T966] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 78.190827][ T966] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 78.191135][ T966] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 78.191440][ T966] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 78.191749][ T966] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 78.192071][ T966] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 78.192384][ T966] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 78.192696][ T966] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 78.193050][ T966] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 78.193367][ T966] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 78.193675][ T966] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 78.194015][ T966] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 78.194328][ T966] ? 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) 
[ 78.194639][ T966] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 78.194962][ T966] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 78.195268][ T966] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 78.195583][ T966] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 78.195908][ T966] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 78.196216][ T966] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 78.196544][ T966] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 78.196869][ T966] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 78.197176][ T966] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 78.197570][ T966] ___sys_sendmsg (net/socket.c:2670) 
[ 78.197893][ T966] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 78.198207][ T966] ? __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) 
[ 78.198593][ T966] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 78.198920][ T966] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 78.199247][ T966] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 78.199560][ T966] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 78.199877][ T966] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 78.200192][ T966] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 78.200507][ T966] __sys_sendmsg (net/socket.c:2700) 
[ 78.200824][ T966] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 78.201210][ T966] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 78.201532][ T966] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 78.201866][ T966] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 78.202181][ T966] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   78.202566][  T966] RIP: 0033:0x7f66be97f1e7
[ 78.202899][ T966] 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)
[   78.204010][  T966] RSP: 002b:00007fff0474ace8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   78.204476][  T966] RAX: ffffffffffffffda RBX: 00007fff0474b420 RCX: 00007f66be97f1e7
[   78.204945][  T966] RDX: 0000000000000000 RSI: 00007fff0474ad50 RDI: 0000000000000005
[   78.205408][  T966] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   78.205893][  T966] R10: 000000000f53a910 R11: 0000000000000246 R12: 0000000000000003
[   78.206353][  T966] R13: 00000000686e5202 R14: 0000000000499600 R15: 0000000000000000
| [   79.810807][  T992] ------------[ cut here ]------------
| [ 79.811140][ T992] WARNING: CPU: 2 PID: 992 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) 
| [   79.811727][  T992] Modules linked in: vxlan
| [   79.812661][  T992] Tainted: [W]=WARN
[   79.812918][  T992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 79.813319][ T992] 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) 
[ 79.813631][ T992] 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
[   79.814697][  T992] RSP: 0018:ffffc90001f76ef0 EFLAGS: 00010246
[   79.815091][  T992] RAX: 0000000000000000 RBX: ffff88800a042000 RCX: 0000000000000001
[   79.815553][  T992] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[   79.816011][  T992] RBP: ffffc90001f76fd8 R08: 0000000000000000 R09: 0000000000000000
[   79.816462][  T992] R10: ffffc90001f77008 R11: ffffffff8c8ceab8 R12: 1ffff920003eede2
[   79.816933][  T992] R13: 00000000000005aa R14: ffffc90001f77008 R15: ffff88800a042f48
[   79.817395][  T992] FS:  00007fb11b9ae800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[   79.817931][  T992] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.818311][  T992] CR2: 00000000004e6890 CR3: 000000000e191004 CR4: 0000000000772ef0
[   79.818763][  T992] PKRU: 55555554
[   79.819014][  T992] Call Trace:
[   79.819254][  T992]  <TASK>
[ 79.819419][ T992] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 79.819730][ T992] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 79.820049][ T992] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 79.820437][ T992] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 79.820747][ T992] netif_set_mtu (net/core/dev.c:9652) 
[ 79.821075][ T992] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 79.821393][ T992] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 79.821783][ T992] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 79.822031][ T992] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 79.822342][ T992] br_add_if (net/bridge/br_if.c:697) 
[ 79.822587][ T992] do_set_master (net/core/rtnetlink.c:2948) 
[ 79.822905][ T992] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 79.823217][ T992] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 79.823532][ T992] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 79.823930][ T992] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 79.824239][ T992] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 79.824542][ T992] ? __kernel_text_address (kernel/extable.c:79) 
[ 79.824871][ T992] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 79.825181][ T992] ? __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) 
[ 79.825493][ T992] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 79.825878][ T992] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 79.826195][ T992] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 79.826499][ T992] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 79.826815][ T992] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 79.827124][ T992] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 79.827433][ T992] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 79.827746][ T992] ? __create_object (mm/kmemleak.c:771) 
[ 79.828066][ T992] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 79.828374][ T992] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 79.828689][ T992] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 79.829091][ T992] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 79.829410][ T992] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 79.829720][ T992] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 79.830035][ T992] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 79.830345][ T992] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 79.830657][ T992] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 79.830977][ T992] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 79.831286][ T992] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 79.831589][ T992] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 79.831907][ T992] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 79.832217][ T992] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 79.832533][ T992] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 79.832875][ T992] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 79.833194][ T992] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 79.833513][ T992] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 79.833827][ T992] ? 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) 
[ 79.834134][ T992] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 79.834445][ T992] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 79.834748][ T992] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 79.835067][ T992] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 79.835377][ T992] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 79.835692][ T992] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 79.836014][ T992] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 79.836327][ T992] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 79.836629][ T992] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 79.837036][ T992] ___sys_sendmsg (net/socket.c:2670) 
[ 79.837344][ T992] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 79.837650][ T992] ? __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) 
[ 79.838046][ T992] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 79.838360][ T992] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 79.838672][ T992] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 79.838999][ T992] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 79.839310][ T992] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 79.839617][ T992] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 79.839942][ T992] __sys_sendmsg (net/socket.c:2700) 
[ 79.840255][ T992] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 79.840631][ T992] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 79.840972][ T992] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 79.841284][ T992] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 79.841596][ T992] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   79.841983][  T992] RIP: 0033:0x7fb11bb7b1e7
[ 79.842300][ T992] 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)
[   79.843567][  T992] RSP: 002b:00007ffd94ca7458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   79.844030][  T992] RAX: ffffffffffffffda RBX: 00007ffd94ca7b90 RCX: 00007fb11bb7b1e7
[   79.844485][  T992] RDX: 0000000000000000 RSI: 00007ffd94ca74c0 RDI: 0000000000000005
[   79.844964][  T992] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   79.845413][  T992] R10: 00000000381f7910 R11: 0000000000000246 R12: 0000000000000003
[   79.845874][  T992] R13: 00000000686e5204 R14: 0000000000499600 R15: 0000000000000000
| [   83.591026][ T1043] ------------[ cut here ]------------
| [ 83.591357][ T1043] WARNING: CPU: 2 PID: 1043 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) 
| [   83.592659][ T1043] Modules linked in: vxlan
| [   83.593657][ T1043] Tainted: [W]=WARN
[   83.593918][ T1043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 83.594321][ T1043] 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) 
[ 83.594655][ T1043] 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
[   83.595783][ T1043] RSP: 0018:ffffc900020e6ef0 EFLAGS: 00010246
[   83.596196][ T1043] RAX: 0000000000000000 RBX: ffff88800cc42000 RCX: 0000000000000001
[   83.596678][ T1043] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[   83.597162][ T1043] RBP: ffffc900020e6fd8 R08: 0000000000000000 R09: 0000000000000000
[   83.597636][ T1043] R10: ffffc900020e7008 R11: ffffffff8bf8d1e0 R12: 1ffff9200041cde2
[   83.598120][ T1043] R13: 00000000000005dc R14: ffffc900020e7008 R15: ffff88800cc42f48
[   83.598603][ T1043] FS:  00007ff1cdf15800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[   83.599175][ T1043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.599580][ T1043] CR2: 00000000004e6898 CR3: 000000000e313006 CR4: 0000000000772ef0
[   83.600066][ T1043] PKRU: 55555554
[   83.600312][ T1043] Call Trace:
[   83.600560][ T1043]  <TASK>
[ 83.600739][ T1043] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 83.601072][ T1043] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 83.601409][ T1043] netif_set_mtu (net/core/dev.c:9652) 
[ 83.601736][ T1043] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 83.602082][ T1043] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 83.602333][ T1043] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 83.602666][ T1043] br_add_if (net/bridge/br_if.c:697) 
[ 83.602929][ T1043] do_set_master (net/core/rtnetlink.c:2948) 
[ 83.603262][ T1043] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 83.603591][ T1043] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 83.603925][ T1043] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 83.604326][ T1043] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 83.604646][ T1043] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 83.604992][ T1043] ? __kernel_text_address (kernel/extable.c:79) 
[ 83.605317][ T1043] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 83.605645][ T1043] ? __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) 
[ 83.605982][ T1043] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 83.606375][ T1043] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 83.606698][ T1043] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 83.607024][ T1043] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 83.607345][ T1043] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 83.607666][ T1043] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 83.607999][ T1043] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 83.608317][ T1043] ? __create_object (mm/kmemleak.c:771) 
[ 83.608640][ T1043] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 83.608966][ T1043] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 83.609299][ T1043] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 83.609694][ T1043] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 83.610033][ T1043] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 83.610358][ T1043] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 83.610686][ T1043] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 83.611019][ T1043] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 83.611342][ T1043] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 83.611661][ T1043] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 83.611992][ T1043] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 83.612309][ T1043] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 83.612634][ T1043] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 83.612970][ T1043] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 83.613297][ T1043] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 83.613621][ T1043] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 83.613952][ T1043] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 83.614283][ T1043] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 83.614599][ T1043] ? 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) 
[ 83.614933][ T1043] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 83.615258][ T1043] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 83.615577][ T1043] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 83.615912][ T1043] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 83.616238][ T1043] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 83.616557][ T1043] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 83.616890][ T1043] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 83.617213][ T1043] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 83.617535][ T1043] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 83.617958][ T1043] ___sys_sendmsg (net/socket.c:2670) 
[ 83.618277][ T1043] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 83.618592][ T1043] ? __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) 
[ 83.619010][ T1043] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 83.619341][ T1043] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 83.619683][ T1043] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 83.620021][ T1043] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 83.620345][ T1043] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 83.620664][ T1043] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 83.621001][ T1043] __sys_sendmsg (net/socket.c:2700) 
[ 83.621319][ T1043] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 83.621722][ T1043] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 83.622065][ T1043] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 83.622390][ T1043] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 83.622715][ T1043] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   83.623117][ T1043] RIP: 0033:0x7ff1ce0e21e7
[ 83.623452][ T1043] 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)
[   83.624580][ T1043] RSP: 002b:00007ffd7a106728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   83.625067][ T1043] RAX: ffffffffffffffda RBX: 00007ffd7a106e60 RCX: 00007ff1ce0e21e7
[   83.625544][ T1043] RDX: 0000000000000000 RSI: 00007ffd7a106790 RDI: 0000000000000005
[   83.626024][ T1043] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   83.626500][ T1043] R10: 000000000360a910 R11: 0000000000000246 R12: 0000000000000003
[   83.626992][ T1043] R13: 00000000686e5208 R14: 0000000000499600 R15: 0000000000000000
| [   85.194508][ T1069] ------------[ cut here ]------------
| [ 85.194860][ T1069] WARNING: CPU: 2 PID: 1069 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) 
| [   85.195457][ T1069] Modules linked in: vxlan
| [   85.197403][ T1069] Tainted: [W]=WARN
[   85.197643][ T1069] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 85.198038][ T1069] 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) 
[ 85.198355][ T1069] 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
[   85.199439][ T1069] RSP: 0018:ffffc900021c6ef0 EFLAGS: 00010246
[   85.199835][ T1069] RAX: 0000000000000000 RBX: ffff88800cc42000 RCX: 0000000000000001
[   85.200291][ T1069] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[   85.200741][ T1069] RBP: ffffc900021c6fd8 R08: 0000000000000000 R09: 0000000000000000
[   85.201200][ T1069] R10: ffffc900021c7008 R11: ffffffff8c8ceab8 R12: 1ffff92000438de2
[   85.201653][ T1069] R13: 0000000000000596 R14: ffffc900021c7008 R15: ffff88800cc42f48
[   85.202125][ T1069] FS:  00007f38776a8800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[   85.202647][ T1069] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   85.203093][ T1069] CR2: 00000000004e6898 CR3: 000000000c749004 CR4: 0000000000772ef0
[   85.203554][ T1069] PKRU: 55555554
[   85.203787][ T1069] Call Trace:
[   85.204038][ T1069]  <TASK>
[ 85.204203][ T1069] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 85.204514][ T1069] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 85.204834][ T1069] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 85.205212][ T1069] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 85.205524][ T1069] netif_set_mtu (net/core/dev.c:9652) 
[ 85.205836][ T1069] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 85.206156][ T1069] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 85.206543][ T1069] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 85.206783][ T1069] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 85.207114][ T1069] br_add_if (net/bridge/br_if.c:697) 
[ 85.207361][ T1069] do_set_master (net/core/rtnetlink.c:2948) 
[ 85.207667][ T1069] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 85.207994][ T1069] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 85.208305][ T1069] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 85.208697][ T1069] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 85.209020][ T1069] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 85.209338][ T1069] ? __kernel_text_address (kernel/extable.c:79) 
[ 85.209643][ T1069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 85.209964][ T1069] ? __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) 
[ 85.210273][ T1069] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 85.210652][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 85.210984][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 85.211293][ T1069] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 85.211598][ T1069] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 85.211922][ T1069] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 85.212230][ T1069] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 85.212536][ T1069] ? __create_object (mm/kmemleak.c:771) 
[ 85.212858][ T1069] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 85.213170][ T1069] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 85.213487][ T1069] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 85.213874][ T1069] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 85.214188][ T1069] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 85.214500][ T1069] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 85.214824][ T1069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 85.215150][ T1069] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 85.215455][ T1069] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 85.215766][ T1069] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 85.216086][ T1069] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 85.216392][ T1069] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 85.216725][ T1069] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 85.217054][ T1069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 85.217376][ T1069] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 85.217686][ T1069] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 85.218009][ T1069] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 85.218334][ T1069] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 85.218641][ T1069] ? 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) 
[ 85.218969][ T1069] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 85.219294][ T1069] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 85.219599][ T1069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 85.219928][ T1069] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 85.220241][ T1069] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 85.220552][ T1069] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 85.220893][ T1069] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 85.221209][ T1069] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 85.221513][ T1069] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 85.221920][ T1069] ___sys_sendmsg (net/socket.c:2670) 
[ 85.222224][ T1069] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 85.222529][ T1069] ? __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) 
[ 85.222936][ T1069] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 85.223251][ T1069] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 85.223564][ T1069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 85.223890][ T1069] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 85.224196][ T1069] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 85.224505][ T1069] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 85.224827][ T1069] __sys_sendmsg (net/socket.c:2700) 
[ 85.225139][ T1069] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 85.225514][ T1069] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 85.225843][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 85.226150][ T1069] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 85.226459][ T1069] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   85.226859][ T1069] RIP: 0033:0x7f38778751e7
[ 85.227183][ T1069] 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)
[   85.228263][ T1069] RSP: 002b:00007ffd5a2a77a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   85.228726][ T1069] RAX: ffffffffffffffda RBX: 00007ffd5a2a7ee0 RCX: 00007f38778751e7
[   85.229200][ T1069] RDX: 0000000000000000 RSI: 00007ffd5a2a7810 RDI: 0000000000000005
[   85.229658][ T1069] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   85.230121][ T1069] R10: 000000001ebb6910 R11: 0000000000000246 R12: 0000000000000003
[   85.230575][ T1069] R13: 00000000686e5209 R14: 0000000000499600 R15: 0000000000000000
| [   88.815906][ T1120] ------------[ cut here ]------------
| [ 88.816212][ T1120] WARNING: CPU: 0 PID: 1120 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) 
| [   88.816802][ T1120] Modules linked in: vxlan
| [   88.817723][ T1120] Tainted: [W]=WARN
[   88.817964][ T1120] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 88.818333][ T1120] 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) 
[ 88.818637][ T1120] 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
[   88.819760][ T1120] RSP: 0018:ffffc90002326ef0 EFLAGS: 00010246
[   88.820152][ T1120] RAX: 0000000000000000 RBX: ffff888012522000 RCX: 0000000000000001
[   88.820595][ T1120] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[   88.821047][ T1120] RBP: ffffc90002326fd8 R08: 0000000000000000 R09: 0000000000000000
[   88.821486][ T1120] R10: ffffc90002327008 R11: ffffffff8bf8d1e0 R12: 1ffff92000464de2
[   88.821942][ T1120] R13: 00000000000005dc R14: ffffc90002327008 R15: ffff888012522f48
[   88.822381][ T1120] FS:  00007f0c4cd55800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[   88.822917][ T1120] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.823288][ T1120] CR2: 00000000004e6890 CR3: 000000001092d003 CR4: 0000000000772ef0
[   88.823732][ T1120] PKRU: 55555554
[   88.823960][ T1120] Call Trace:
[   88.824179][ T1120]  <TASK>
[ 88.824331][ T1120] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 88.824631][ T1120] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 88.824951][ T1120] netif_set_mtu (net/core/dev.c:9652) 
[ 88.825244][ T1120] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 88.825550][ T1120] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 88.825777][ T1120] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 88.826088][ T1120] br_add_if (net/bridge/br_if.c:697) 
[ 88.826322][ T1120] do_set_master (net/core/rtnetlink.c:2948) 
[ 88.826617][ T1120] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 88.826924][ T1120] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 88.827222][ T1120] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 88.827593][ T1120] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 88.827903][ T1120] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 88.828198][ T1120] ? __kernel_text_address (kernel/extable.c:79) 
[ 88.828495][ T1120] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 88.828800][ T1120] ? __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) 
[ 88.829122][ T1120] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 88.829488][ T1120] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 88.829805][ T1120] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 88.830112][ T1120] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 88.830406][ T1120] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 88.830702][ T1120] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 88.831012][ T1120] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 88.831308][ T1120] ? __create_object (mm/kmemleak.c:771) 
[ 88.831621][ T1120] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 88.831936][ T1120] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 88.832240][ T1120] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 88.832622][ T1120] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 88.832948][ T1120] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 88.833256][ T1120] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 88.833556][ T1120] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 88.833878][ T1120] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 88.834180][ T1120] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 88.834481][ T1120] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 88.834777][ T1120] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 88.835083][ T1120] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 88.835380][ T1120] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 88.835680][ T1120] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 88.835992][ T1120] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 88.836290][ T1120] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 88.836586][ T1120] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 88.836912][ T1120] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 88.837208][ T1120] ? 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) 
[ 88.837502][ T1120] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 88.837810][ T1120] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 88.838105][ T1120] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 88.838402][ T1120] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 88.838699][ T1120] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 88.839011][ T1120] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 88.839320][ T1120] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 88.839616][ T1120] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 88.839916][ T1120] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 88.840294][ T1120] ___sys_sendmsg (net/socket.c:2670) 
[ 88.840584][ T1120] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 88.840887][ T1120] ? __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) 
[ 88.841254][ T1120] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 88.841557][ T1120] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 88.841864][ T1120] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 88.842165][ T1120] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 88.842458][ T1120] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 88.842751][ T1120] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 88.843063][ T1120] __sys_sendmsg (net/socket.c:2700) 
[ 88.843355][ T1120] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 88.843726][ T1120] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 88.844046][ T1120] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 88.844347][ T1120] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 88.844650][ T1120] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   88.845037][ T1120] RIP: 0033:0x7f0c4cf221e7
[ 88.845346][ T1120] 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)
[   88.846428][ T1120] RSP: 002b:00007ffd1ba87198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   88.846891][ T1120] RAX: ffffffffffffffda RBX: 00007ffd1ba878d0 RCX: 00007f0c4cf221e7
[   88.847346][ T1120] RDX: 0000000000000000 RSI: 00007ffd1ba87200 RDI: 0000000000000005
[   88.847802][ T1120] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   88.848257][ T1120] R10: 000000003ee4e910 R11: 0000000000000246 R12: 0000000000000003
[   88.848703][ T1120] R13: 00000000686e520d R14: 0000000000499600 R15: 0000000000000000
| [   90.623318][ T1146] ------------[ cut here ]------------
| [ 90.623620][ T1146] WARNING: CPU: 1 PID: 1146 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) 
| [   90.624212][ T1146] Modules linked in: vxlan
| [   90.625132][ T1146] Tainted: [W]=WARN
[   90.625358][ T1146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 90.625734][ T1146] 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) 
[ 90.627486][ T1146] 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
[   90.628538][ T1146] RSP: 0018:ffffc90002386ef0 EFLAGS: 00010246
[   90.628927][ T1146] RAX: 0000000000000000 RBX: ffff888012522000 RCX: 0000000000000001
[   90.629387][ T1146] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[   90.629836][ T1146] RBP: ffffc90002386fd8 R08: 0000000000000000 R09: 0000000000000000
[   90.630276][ T1146] R10: ffffc90002387008 R11: ffffffff8c8ceab8 R12: 1ffff92000470de2
[   90.630716][ T1146] R13: 00000000000005aa R14: ffffc90002387008 R15: ffff888012522f48
[   90.631168][ T1146] FS:  00007f3748722800(0000) GS:ffff8880df419000(0000) knlGS:0000000000000000
[   90.631683][ T1146] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.632059][ T1146] CR2: 00000000004e6890 CR3: 000000000f3e8006 CR4: 0000000000772ef0
[   90.632503][ T1146] PKRU: 55555554
[   90.632726][ T1146] Call Trace:
[   90.632970][ T1146]  <TASK>
[ 90.633124][ T1146] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 90.633422][ T1146] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 90.633718][ T1146] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 90.634092][ T1146] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 90.634388][ T1146] netif_set_mtu (net/core/dev.c:9652) 
[ 90.634680][ T1146] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 90.634993][ T1146] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 90.635371][ T1146] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 90.635596][ T1146] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 90.635903][ T1146] br_add_if (net/bridge/br_if.c:697) 
[ 90.636136][ T1146] do_set_master (net/core/rtnetlink.c:2948) 
[ 90.636430][ T1146] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 90.636727][ T1146] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 90.637046][ T1146] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 90.637425][ T1146] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 90.637719][ T1146] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 90.638018][ T1146] ? __kernel_text_address (kernel/extable.c:79) 
[ 90.638315][ T1146] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.638610][ T1146] ? __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) 
[ 90.638915][ T1146] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 90.639291][ T1146] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 90.639593][ T1146] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 90.639897][ T1146] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 90.640195][ T1146] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 90.640490][ T1146] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.640811][ T1146] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 90.641113][ T1146] ? __create_object (mm/kmemleak.c:771) 
[ 90.641411][ T1146] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 90.641707][ T1146] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 90.642015][ T1146] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 90.642378][ T1146] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 90.642680][ T1146] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 90.642987][ T1146] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 90.643282][ T1146] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.643582][ T1146] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.643885][ T1146] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 90.644185][ T1146] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 90.644482][ T1146] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 90.644775][ T1146] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 90.645091][ T1146] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 90.645392][ T1146] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.645689][ T1146] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 90.645993][ T1146] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 90.646290][ T1146] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 90.646599][ T1146] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 90.646915][ T1146] ? 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) 
[ 90.647211][ T1146] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 90.647509][ T1146] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 90.647814][ T1146] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.648121][ T1146] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 90.648418][ T1146] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 90.648721][ T1146] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 90.649055][ T1146] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 90.649362][ T1146] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 90.649652][ T1146] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 90.650040][ T1146] ___sys_sendmsg (net/socket.c:2670) 
[ 90.650334][ T1146] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 90.650626][ T1146] ? __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) 
[ 90.651006][ T1146] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 90.651307][ T1146] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.651604][ T1146] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.651914][ T1146] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.652209][ T1146] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 90.652504][ T1146] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 90.652825][ T1146] __sys_sendmsg (net/socket.c:2700) 
[ 90.653125][ T1146] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 90.653490][ T1146] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 90.653804][ T1146] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 90.654100][ T1146] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 90.654399][ T1146] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   90.654764][ T1146] RIP: 0033:0x7f37488ef1e7
[ 90.655077][ T1146] 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)
[   90.656141][ T1146] RSP: 002b:00007ffc35ff4868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   90.656586][ T1146] RAX: ffffffffffffffda RBX: 00007ffc35ff4fa0 RCX: 00007f37488ef1e7
[   90.657043][ T1146] RDX: 0000000000000000 RSI: 00007ffc35ff48d0 RDI: 0000000000000005
[   90.657489][ T1146] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   90.657935][ T1146] R10: 0000000007f63910 R11: 0000000000000246 R12: 0000000000000003
[   90.658376][ T1146] R13: 00000000686e520f R14: 0000000000499600 R15: 0000000000000000
| [   94.566375][ T1196] ------------[ cut here ]------------
| [ 94.566686][ T1196] WARNING: CPU: 3 PID: 1196 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) 
| [   94.567298][ T1196] Modules linked in: vxlan
| [   94.568298][ T1196] Tainted: [W]=WARN
[   94.568532][ T1196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 94.568931][ T1196] 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) 
[ 94.569264][ T1196] 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
[   94.570372][ T1196] RSP: 0018:ffffc900023e6ef0 EFLAGS: 00010246
[   94.570776][ T1196] RAX: 0000000000000000 RBX: ffff888004ff2000 RCX: 0000000000000001
[   94.571244][ T1196] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[   94.571715][ T1196] RBP: ffffc900023e6fd8 R08: 0000000000000000 R09: 0000000000000000
[   94.572182][ T1196] R10: ffffc900023e7008 R11: ffffffff8bf8d1e0 R12: 1ffff9200047cde2
[   94.572646][ T1196] R13: 00000000000005dc R14: ffffc900023e7008 R15: ffff888004ff2f48
[   94.573122][ T1196] FS:  00007f143a873800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[   94.573655][ T1196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.574058][ T1196] CR2: 00000000004e6898 CR3: 000000000597e004 CR4: 0000000000772ef0
[   94.574517][ T1196] PKRU: 55555554
[   94.574751][ T1196] Call Trace:
[   94.575010][ T1196]  <TASK>
[ 94.575170][ T1196] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 94.575474][ T1196] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.575826][ T1196] netif_set_mtu (net/core/dev.c:9652) 
[ 94.576131][ T1196] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 94.576448][ T1196] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 94.576683][ T1196] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 94.577016][ T1196] br_add_if (net/bridge/br_if.c:697) 
[ 94.577269][ T1196] do_set_master (net/core/rtnetlink.c:2948) 
[ 94.577573][ T1196] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 94.577891][ T1196] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 94.578193][ T1196] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 94.578576][ T1196] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 94.578895][ T1196] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 94.579201][ T1196] ? __kernel_text_address (kernel/extable.c:79) 
[ 94.579515][ T1196] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.579830][ T1196] ? __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) 
[ 94.580138][ T1196] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 94.580510][ T1196] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 94.580829][ T1196] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 94.581126][ T1196] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 94.581421][ T1196] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 94.581751][ T1196] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.582070][ T1196] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 94.582376][ T1196] ? __create_object (mm/kmemleak.c:771) 
[ 94.582685][ T1196] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 94.583007][ T1196] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 94.583315][ T1196] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 94.583687][ T1196] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 94.584010][ T1196] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 94.584331][ T1196] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 94.584633][ T1196] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.584954][ T1196] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.585261][ T1196] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 94.585562][ T1196] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 94.585876][ T1196] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 94.586174][ T1196] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 94.586475][ T1196] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 94.586802][ T1196] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.587111][ T1196] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 94.587410][ T1196] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 94.587707][ T1196] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 94.588026][ T1196] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 94.588320][ T1196] ? 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) 
[ 94.588632][ T1196] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 94.588945][ T1196] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 94.589248][ T1196] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.589549][ T1196] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 94.589862][ T1196] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 94.590161][ T1196] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 94.590468][ T1196] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 94.590772][ T1196] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 94.591091][ T1196] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 94.591479][ T1196] ___sys_sendmsg (net/socket.c:2670) 
[ 94.591775][ T1196] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 94.592079][ T1196] ? __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) 
[ 94.592458][ T1196] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 94.592757][ T1196] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.593075][ T1196] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.593396][ T1196] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.593701][ T1196] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 94.594016][ T1196] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 94.594325][ T1196] __sys_sendmsg (net/socket.c:2700) 
[ 94.594626][ T1196] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 94.595015][ T1196] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 94.595347][ T1196] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 94.595660][ T1196] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 94.595977][ T1196] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   94.596371][ T1196] RIP: 0033:0x7f143aa401e7
[ 94.596683][ T1196] 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)
[   94.597796][ T1196] RSP: 002b:00007fff87d8e088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   94.598256][ T1196] RAX: ffffffffffffffda RBX: 00007fff87d8e7c0 RCX: 00007f143aa401e7
[   94.598705][ T1196] RDX: 0000000000000000 RSI: 00007fff87d8e0f0 RDI: 0000000000000005
[   94.599188][ T1196] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   94.599643][ T1196] R10: 000000002763a910 R11: 0000000000000246 R12: 0000000000000003
[   94.600121][ T1196] R13: 00000000686e5213 R14: 0000000000499600 R15: 0000000000000000
| [   96.284283][ T1222] ------------[ cut here ]------------
| [ 96.284605][ T1222] WARNING: CPU: 2 PID: 1222 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) 
| [   96.286114][ T1222] Modules linked in: vxlan
| [   96.287052][ T1222] Tainted: [W]=WARN
[   96.287287][ T1222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 96.287673][ T1222] 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) 
[ 96.288002][ T1222] 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
[   96.289079][ T1222] RSP: 0018:ffffc900025e6ef0 EFLAGS: 00010246
[   96.289466][ T1222] RAX: 0000000000000000 RBX: ffff888004ff2000 RCX: 0000000000000001
[   96.289934][ T1222] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[   96.290390][ T1222] RBP: ffffc900025e6fd8 R08: 0000000000000000 R09: 0000000000000000
[   96.290852][ T1222] R10: ffffc900025e7008 R11: ffffffff8c8ceab8 R12: 1ffff920004bcde2
[   96.291304][ T1222] R13: 0000000000000596 R14: ffffc900025e7008 R15: ffff888004ff2f48
[   96.291765][ T1222] FS:  00007f36985fd800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[   96.292306][ T1222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   96.292687][ T1222] CR2: 00000000004e6898 CR3: 0000000002764001 CR4: 0000000000772ef0
[   96.293149][ T1222] PKRU: 55555554
[   96.293383][ T1222] Call Trace:
[   96.293618][ T1222]  <TASK>
[ 96.293797][ T1222] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 96.294110][ T1222] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 96.294420][ T1222] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 96.294808][ T1222] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 96.295120][ T1222] netif_set_mtu (net/core/dev.c:9652) 
[ 96.295425][ T1222] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 96.295742][ T1222] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 96.296140][ T1222] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 96.296379][ T1222] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 96.296686][ T1222] br_add_if (net/bridge/br_if.c:697) 
[ 96.296941][ T1222] do_set_master (net/core/rtnetlink.c:2948) 
[ 96.297243][ T1222] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 96.297557][ T1222] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 96.297876][ T1222] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 96.298271][ T1222] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 96.298577][ T1222] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 96.298893][ T1222] ? __kernel_text_address (kernel/extable.c:79) 
[ 96.299214][ T1222] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.299524][ T1222] ? __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) 
[ 96.299860][ T1222] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 96.300240][ T1222] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.300554][ T1222] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.300870][ T1222] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 96.301178][ T1222] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 96.301488][ T1222] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.301804][ T1222] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 96.302110][ T1222] ? __create_object (mm/kmemleak.c:771) 
[ 96.302417][ T1222] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 96.302724][ T1222] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 96.303051][ T1222] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 96.303430][ T1222] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 96.303752][ T1222] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 96.304078][ T1222] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.304386][ T1222] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.304701][ T1222] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.305018][ T1222] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 96.305326][ T1222] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.305646][ T1222] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.305961][ T1222] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 96.306271][ T1222] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.306582][ T1222] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.306905][ T1222] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 96.307213][ T1222] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.307521][ T1222] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 96.307850][ T1222] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 96.308155][ T1222] ? 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) 
[ 96.308467][ T1222] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 96.308778][ T1222] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 96.309097][ T1222] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.309414][ T1222] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 96.309726][ T1222] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 96.310052][ T1222] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 96.310370][ T1222] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 96.310686][ T1222] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 96.310997][ T1222] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 96.311395][ T1222] ___sys_sendmsg (net/socket.c:2670) 
[ 96.311702][ T1222] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 96.312016][ T1222] ? __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) 
[ 96.312405][ T1222] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 96.312719][ T1222] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.313042][ T1222] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.313357][ T1222] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.313665][ T1222] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 96.313983][ T1222] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.314301][ T1222] __sys_sendmsg (net/socket.c:2700) 
[ 96.314603][ T1222] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 96.314994][ T1222] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 96.315312][ T1222] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.315620][ T1222] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 96.315938][ T1222] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   96.316314][ T1222] RIP: 0033:0x7f36987ca1e7
[ 96.316630][ T1222] 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)
[   96.317700][ T1222] RSP: 002b:00007ffc131fec38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   96.318164][ T1222] RAX: ffffffffffffffda RBX: 00007ffc131ff370 RCX: 00007f36987ca1e7
[   96.318616][ T1222] RDX: 0000000000000000 RSI: 00007ffc131feca0 RDI: 0000000000000005
[   96.319094][ T1222] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   96.319552][ T1222] R10: 0000000029093910 R11: 0000000000000246 R12: 0000000000000003
[   96.320016][ T1222] R13: 00000000686e5214 R14: 0000000000499600 R15: 0000000000000000
| [  101.245885][   T12] ------------[ cut here ]------------
| [ 101.246202][ T12] WARNING: CPU: 3 PID: 12 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) 
| [  101.246744][   T12] Modules linked in: vxlan
| [  101.248151][   T12] Tainted: [W]=WARN
[  101.248387][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.248780][   T12] Workqueue: netns cleanup_net
[ 101.249141][ T12] 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) 
[ 101.249462][ T12] 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
[  101.251364][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[  101.251765][   T12] RAX: 0000000000000000 RBX: ffff888004ff2000 RCX: 0000000000000001
[  101.252244][   T12] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  101.252713][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  101.253185][   T12] R10: ffffc900000c7480 R11: ffffffff8bf8d1e0 R12: 1ffff92000018e70
[  101.253656][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff888004ff2f48
[  101.254124][   T12] FS:  0000000000000000(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[  101.254670][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.255071][   T12] CR2: 0000563394ab1990 CR3: 0000000042b4a005 CR4: 0000000000772ef0
[  101.255542][   T12] PKRU: 55555554
[  101.255772][   T12] Call Trace:
[  101.256014][   T12]  <TASK>
[ 101.256170][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 101.256476][ T12] ? __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) 
[ 101.256870][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 101.257104][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 101.257416][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 101.257722][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 101.258043][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 101.258420][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 101.258811][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 101.259130][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 101.259439][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 101.259753][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 101.260067][ T12] ? kthread (kernel/kthread.c:464) 
[ 101.260300][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 101.260627][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 101.260968][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 101.261279][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 101.261602][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 101.261846][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 101.262163][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 101.262400][ T12] br_device_event (net/bridge/br.c:141) 
[ 101.262706][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 101.263030][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 101.263347][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 101.263735][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 101.264155][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 101.264554][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 101.264885][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 101.265279][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 101.265678][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 101.266000][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 101.266393][ T12] ? 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) 
[ 101.266705][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 101.267092][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 101.267469][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 101.267854][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 101.268244][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 101.268567][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 101.268974][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 101.269295][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 101.269599][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 101.269929][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 101.270243][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 101.270552][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.270870][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 101.271193][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 101.271520][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 101.272066][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 101.272381][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 101.272689][ T12] kthread (kernel/kthread.c:464) 
[ 101.273154][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 101.273682][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 101.273999][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 101.274320][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.274623][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 101.274937][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 101.275245][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 101.275549][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  101.300614][   T12] ------------[ cut here ]------------
| [ 101.300946][ T12] WARNING: CPU: 3 PID: 12 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) 
| [  101.301491][   T12] Modules linked in: vxlan
| [  101.302514][   T12] Tainted: [W]=WARN
[  101.302749][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.303332][   T12] Workqueue: netns cleanup_net
[ 101.303658][ T12] 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) 
[ 101.304276][ T12] 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
[  101.305427][   T12] RSP: 0000:ffffc900000c7360 EFLAGS: 00010246
[  101.305825][   T12] RAX: 0000000000000000 RBX: ffff888012522000 RCX: 0000000000000001
[  101.306294][   T12] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  101.306754][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  101.307218][   T12] R10: ffffc900000c7480 R11: ffffffff8bf8d1e0 R12: 1ffff92000018e70
[  101.307680][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff888012522f48
[  101.308153][   T12] FS:  0000000000000000(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[  101.308694][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.309100][   T12] CR2: 00007f30a3e61018 CR3: 000000000cd22004 CR4: 0000000000772ef0
[  101.309566][   T12] PKRU: 55555554
[  101.309804][   T12] Call Trace:
[  101.310045][   T12]  <TASK>
[ 101.310200][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 101.310509][ T12] ? __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) 
[ 101.310895][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 101.311128][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 101.311435][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 101.311743][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 101.312063][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 101.312444][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 101.312831][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 101.313133][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 101.313434][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 101.313736][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 101.314050][ T12] ? kthread (kernel/kthread.c:464) 
[ 101.314284][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 101.314591][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 101.314936][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 101.315247][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 101.315573][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 101.315814][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 101.316127][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 101.316361][ T12] br_device_event (net/bridge/br.c:141) 
[ 101.316672][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 101.316999][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 101.317314][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 101.317698][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 101.318108][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 101.318497][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 101.318834][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 101.319243][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 101.319646][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 101.319969][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 101.320361][ T12] ? 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) 
[ 101.320671][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 101.321067][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 101.321451][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 101.321842][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 101.322234][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 101.322545][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 101.322945][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 101.323273][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 101.323602][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 101.323926][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 101.324250][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 101.324558][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.324881][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 101.325199][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 101.325515][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 101.325837][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 101.326152][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 101.326460][ T12] kthread (kernel/kthread.c:464) 
[ 101.326693][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 101.327007][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 101.327313][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 101.327619][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.327933][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 101.328246][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 101.328550][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 101.328864][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  123.070531][ T1463] ------------[ cut here ]------------
| [ 123.070857][ T1463] WARNING: CPU: 0 PID: 1463 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) 
| [  123.071496][ T1463] Modules linked in: vxlan
| [  123.072450][ T1463] Tainted: [W]=WARN
[  123.072681][ T1463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 123.073068][ T1463] 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) 
[ 123.073398][ T1463] 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
[  123.074508][ T1463] RSP: 0018:ffffc90002ea6ef0 EFLAGS: 00010246
[  123.074898][ T1463] RAX: 0000000000000000 RBX: ffff888009d42000 RCX: 0000000000000001
[  123.075370][ T1463] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  123.075852][ T1463] RBP: ffffc90002ea6fd8 R08: 0000000000000000 R09: 0000000000000000
[  123.076312][ T1463] R10: ffffc90002ea7008 R11: ffffffff8bf8d1e0 R12: 1ffff920005d4de2
[  123.076772][ T1463] R13: 00000000000005dc R14: ffffc90002ea7008 R15: ffff888009d42f48
[  123.077272][ T1463] FS:  00007fd0bfffd800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[  123.077828][ T1463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  123.078219][ T1463] CR2: 00000000004e6890 CR3: 000000001267c001 CR4: 0000000000772ef0
[  123.078671][ T1463] PKRU: 55555554
[  123.078908][ T1463] Call Trace:
[  123.079144][ T1463]  <TASK>
[ 123.079317][ T1463] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 123.079618][ T1463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 123.079956][ T1463] netif_set_mtu (net/core/dev.c:9652) 
[ 123.080279][ T1463] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 123.080592][ T1463] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 123.080826][ T1463] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 123.081138][ T1463] br_add_if (net/bridge/br_if.c:697) 
[ 123.081386][ T1463] do_set_master (net/core/rtnetlink.c:2948) 
[ 123.081683][ T1463] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 123.081998][ T1463] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 123.082327][ T1463] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 123.082717][ T1463] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 123.083028][ T1463] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 123.083348][ T1463] ? __kernel_text_address (kernel/extable.c:79) 
[ 123.083663][ T1463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 123.083982][ T1463] ? __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) 
[ 123.084289][ T1463] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 123.084689][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 123.085008][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 123.085308][ T1463] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 123.085618][ T1463] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 123.085934][ T1463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 123.086238][ T1463] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 123.086553][ T1463] ? __create_object (mm/kmemleak.c:771) 
[ 123.086869][ T1463] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 123.087182][ T1463] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 123.087502][ T1463] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 123.087892][ T1463] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 123.088196][ T1463] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 123.088515][ T1463] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 123.088829][ T1463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 123.089146][ T1463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 123.089469][ T1463] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 123.089809][ T1463] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 123.090120][ T1463] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 123.090427][ T1463] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 123.090743][ T1463] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 123.091054][ T1463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 123.091359][ T1463] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 123.091680][ T1463] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 123.091999][ T1463] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 123.092312][ T1463] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 123.092622][ T1463] ? 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) 
[ 123.092935][ T1463] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 123.093236][ T1463] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 123.093531][ T1463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 123.093866][ T1463] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 123.094187][ T1463] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 123.094482][ T1463] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 123.094815][ T1463] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 123.095118][ T1463] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 123.095413][ T1463] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 123.095846][ T1463] ___sys_sendmsg (net/socket.c:2670) 
[ 123.096142][ T1463] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 123.096448][ T1463] ? __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) 
[ 123.096898][ T1463] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 123.097203][ T1463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 123.097505][ T1463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 123.097833][ T1463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 123.098132][ T1463] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 123.098429][ T1463] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 123.098762][ T1463] __sys_sendmsg (net/socket.c:2700) 
[ 123.099076][ T1463] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 123.099447][ T1463] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 123.099768][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 123.100082][ T1463] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 123.100386][ T1463] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  123.100767][ T1463] RIP: 0033:0x7fd0c01ca1e7
[ 123.101103][ T1463] 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)
[  123.102199][ T1463] RSP: 002b:00007ffd97f9da08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  123.102649][ T1463] RAX: ffffffffffffffda RBX: 00007ffd97f9e140 RCX: 00007fd0c01ca1e7
[  123.103128][ T1463] RDX: 0000000000000000 RSI: 00007ffd97f9da70 RDI: 0000000000000005
[  123.103576][ T1463] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  123.104041][ T1463] R10: 0000000030638910 R11: 0000000000000246 R12: 0000000000000003
[  123.104484][ T1463] R13: 00000000686e522f R14: 0000000000499600 R15: 0000000000000000
| [  124.588989][ T1489] ------------[ cut here ]------------
| [ 124.589367][ T1489] WARNING: CPU: 2 PID: 1489 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) 
| [  124.590004][ T1489] Modules linked in: vxlan
| [  124.590985][ T1489] Tainted: [W]=WARN
[  124.591227][ T1489] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 124.591606][ T1489] 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) 
[ 124.591955][ T1489] 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
[  124.593081][ T1489] RSP: 0018:ffffc90003046ef0 EFLAGS: 00010246
[  124.593491][ T1489] RAX: 0000000000000000 RBX: ffff888009d42000 RCX: 0000000000000001
[  124.593985][ T1489] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  124.594473][ T1489] RBP: ffffc90003046fd8 R08: 0000000000000000 R09: 0000000000000000
[  124.594961][ T1489] R10: ffffc90003047008 R11: ffffffff8c8ceab8 R12: 1ffff92000608de2
[  124.595445][ T1489] R13: 00000000000005aa R14: ffffc90003047008 R15: ffff888009d42f48
[  124.595931][ T1489] FS:  00007fd70c830800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[  124.596491][ T1489] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  124.596929][ T1489] CR2: 00000000004e6890 CR3: 0000000012139003 CR4: 0000000000772ef0
[  124.597458][ T1489] PKRU: 55555554
[  124.597855][ T1489] Call Trace:
[  124.598241][ T1489]  <TASK>
[ 124.598520][ T1489] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 124.599086][ T1489] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 124.599612][ T1489] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 124.600270][ T1489] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 124.600808][ T1489] netif_set_mtu (net/core/dev.c:9652) 
[ 124.601338][ T1489] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 124.601934][ T1489] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 124.602571][ T1489] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 124.602989][ T1489] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 124.603503][ T1489] br_add_if (net/bridge/br_if.c:697) 
[ 124.603933][ T1489] do_set_master (net/core/rtnetlink.c:2948) 
[ 124.604448][ T1489] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 124.605005][ T1489] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 124.605538][ T1489] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 124.606222][ T1489] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 124.606759][ T1489] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 124.607327][ T1489] ? __kernel_text_address (kernel/extable.c:79) 
[ 124.607896][ T1489] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 124.608445][ T1489] ? __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) 
[ 124.609008][ T1489] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 124.609692][ T1489] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 124.610282][ T1489] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 124.610834][ T1489] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 124.611378][ T1489] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 124.611922][ T1489] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 124.612468][ T1489] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 124.613036][ T1489] ? __create_object (mm/kmemleak.c:771) 
[ 124.613586][ T1489] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 124.614162][ T1489] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 124.614722][ T1489] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 124.615407][ T1489] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 124.615985][ T1489] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 124.616529][ T1489] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 124.617088][ T1489] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 124.617648][ T1489] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 124.618216][ T1489] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 124.618826][ T1489] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 124.619405][ T1489] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 124.619991][ T1489] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 124.620561][ T1489] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 124.621144][ T1489] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 124.621708][ T1489] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 124.622282][ T1489] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 124.622831][ T1489] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 124.623404][ T1489] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 124.623983][ T1489] ? 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) 
[ 124.624542][ T1489] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 124.625129][ T1489] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 124.625709][ T1489] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 124.626301][ T1489] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 124.626901][ T1489] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 124.627462][ T1489] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 124.628068][ T1489] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 124.628638][ T1489] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 124.629212][ T1489] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 124.629924][ T1489] ___sys_sendmsg (net/socket.c:2670) 
[ 124.630461][ T1489] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 124.631028][ T1489] ? __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) 
[ 124.631710][ T1489] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 124.632303][ T1489] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 124.632874][ T1489] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 124.633433][ T1489] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 124.634024][ T1489] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 124.634594][ T1489] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 124.635167][ T1489] __sys_sendmsg (net/socket.c:2700) 
[ 124.635713][ T1489] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 124.636426][ T1489] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 124.637057][ T1489] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 124.637628][ T1489] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 124.638203][ T1489] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  124.638902][ T1489] RIP: 0033:0x7fd70c9fd1e7
[ 124.639475][ T1489] 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)
[  124.641402][ T1489] RSP: 002b:00007ffddcc57578 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  124.642228][ T1489] RAX: ffffffffffffffda RBX: 00007ffddcc57cb0 RCX: 00007fd70c9fd1e7
[  124.643094][ T1489] RDX: 0000000000000000 RSI: 00007ffddcc575e0 RDI: 0000000000000005
[  124.643952][ T1489] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  124.644812][ T1489] R10: 00000000142ee910 R11: 0000000000000246 R12: 0000000000000003
[  124.645620][ T1489] R13: 00000000686e5231 R14: 0000000000499600 R15: 0000000000000000
| [  129.096017][ T1539] ------------[ cut here ]------------
| [ 129.096324][ T1539] WARNING: CPU: 0 PID: 1539 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) 
| [  129.096933][ T1539] Modules linked in: vxlan
| [  129.097861][ T1539] Tainted: [W]=WARN
[  129.098092][ T1539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 129.098464][ T1539] 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) 
[ 129.098769][ T1539] 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
[  129.099862][ T1539] RSP: 0018:ffffc90003156ef0 EFLAGS: 00010246
[  129.100248][ T1539] RAX: 0000000000000000 RBX: ffff88801098a000 RCX: 0000000000000001
[  129.100696][ T1539] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  129.101155][ T1539] RBP: ffffc90003156fd8 R08: 0000000000000000 R09: 0000000000000000
[  129.101605][ T1539] R10: ffffc90003157008 R11: ffffffff8bf8d1e0 R12: 1ffff9200062ade2
[  129.102067][ T1539] R13: 00000000000005dc R14: ffffc90003157008 R15: ffff88801098af48
[  129.102522][ T1539] FS:  00007ff9d4157800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[  129.103060][ T1539] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  129.103437][ T1539] CR2: 00000000004e6898 CR3: 0000000012bc5005 CR4: 0000000000772ef0
[  129.103889][ T1539] PKRU: 55555554
[  129.104118][ T1539] Call Trace:
[  129.104340][ T1539]  <TASK>
[ 129.104495][ T1539] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 129.104799][ T1539] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.105126][ T1539] netif_set_mtu (net/core/dev.c:9652) 
[ 129.105424][ T1539] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 129.105732][ T1539] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 129.105967][ T1539] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 129.106267][ T1539] br_add_if (net/bridge/br_if.c:697) 
[ 129.106503][ T1539] do_set_master (net/core/rtnetlink.c:2948) 
[ 129.106805][ T1539] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 129.107105][ T1539] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 129.107413][ T1539] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 129.107799][ T1539] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 129.108099][ T1539] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 129.108391][ T1539] ? __kernel_text_address (kernel/extable.c:79) 
[ 129.108688][ T1539] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.108996][ T1539] ? __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) 
[ 129.109300][ T1539] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 129.109679][ T1539] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.109989][ T1539] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.110282][ T1539] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 129.110578][ T1539] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 129.110884][ T1539] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.111178][ T1539] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 129.111471][ T1539] ? __create_object (mm/kmemleak.c:771) 
[ 129.111780][ T1539] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 129.112092][ T1539] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 129.112392][ T1539] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 129.112761][ T1539] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 129.114329][ T1539] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 129.114661][ T1539] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 129.114971][ T1539] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.115279][ T1539] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.115585][ T1539] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 129.115887][ T1539] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 129.116185][ T1539] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 129.116480][ T1539] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 129.116779][ T1539] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 129.117091][ T1539] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.117401][ T1539] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 129.117704][ T1539] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 129.118022][ T1539] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 129.118329][ T1539] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 129.118623][ T1539] ? 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) 
[ 129.118927][ T1539] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 129.119231][ T1539] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 129.119526][ T1539] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.119843][ T1539] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 129.120146][ T1539] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 129.120445][ T1539] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 129.120750][ T1539] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 129.121057][ T1539] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 129.121355][ T1539] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 129.121736][ T1539] ___sys_sendmsg (net/socket.c:2670) 
[ 129.122038][ T1539] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 129.122347][ T1539] ? __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) 
[ 129.122716][ T1539] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 129.123028][ T1539] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.123330][ T1539] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.123631][ T1539] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.123935][ T1539] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 129.124234][ T1539] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 129.124544][ T1539] __sys_sendmsg (net/socket.c:2700) 
[ 129.124846][ T1539] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 129.125211][ T1539] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 129.125522][ T1539] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.125825][ T1539] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 129.126123][ T1539] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  129.126492][ T1539] RIP: 0033:0x7ff9d43241e7
[ 129.126819][ T1539] 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)
[  129.127892][ T1539] RSP: 002b:00007ffe77a34ab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  129.128343][ T1539] RAX: ffffffffffffffda RBX: 00007ffe77a351f0 RCX: 00007ff9d43241e7
[  129.128806][ T1539] RDX: 0000000000000000 RSI: 00007ffe77a34b20 RDI: 0000000000000005
[  129.129257][ T1539] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  129.129702][ T1539] R10: 0000000013491910 R11: 0000000000000246 R12: 0000000000000003
[  129.130153][ T1539] R13: 00000000686e5235 R14: 0000000000499600 R15: 0000000000000000
| [  130.733066][ T1565] ------------[ cut here ]------------
| [ 130.733434][ T1565] WARNING: CPU: 2 PID: 1565 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) 
| [  130.734061][ T1565] Modules linked in: vxlan
| [  130.735072][ T1565] Tainted: [W]=WARN
[  130.735324][ T1565] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 130.735731][ T1565] 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) 
[ 130.736082][ T1565] 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
[  130.737219][ T1565] RSP: 0018:ffffc90003246ef0 EFLAGS: 00010246
[  130.737625][ T1565] RAX: 0000000000000000 RBX: ffff88801098a000 RCX: 0000000000000001
[  130.738114][ T1565] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  130.738590][ T1565] RBP: ffffc90003246fd8 R08: 0000000000000000 R09: 0000000000000000
[  130.739084][ T1565] R10: ffffc90003247008 R11: ffffffff8c8ceab8 R12: 1ffff92000648de2
[  130.739540][ T1565] R13: 0000000000000596 R14: ffffc90003247008 R15: ffff88801098af48
[  130.740053][ T1565] FS:  00007fa32545f800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[  130.740606][ T1565] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  130.741021][ T1565] CR2: 00000000004e6898 CR3: 000000000ae1c005 CR4: 0000000000772ef0
[  130.741499][ T1565] PKRU: 55555554
[  130.741745][ T1565] Call Trace:
[  130.741997][ T1565]  <TASK>
[ 130.742181][ T1565] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 130.742511][ T1565] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 130.742856][ T1565] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 130.743256][ T1565] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 130.743583][ T1565] netif_set_mtu (net/core/dev.c:9652) 
[ 130.743915][ T1565] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 130.744249][ T1565] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 130.744657][ T1565] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 130.744915][ T1565] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 130.745241][ T1565] br_add_if (net/bridge/br_if.c:697) 
[ 130.745498][ T1565] do_set_master (net/core/rtnetlink.c:2948) 
[ 130.745866][ T1565] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 130.746202][ T1565] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 130.746527][ T1565] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 130.746954][ T1565] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 130.747285][ T1565] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 130.747605][ T1565] ? __kernel_text_address (kernel/extable.c:79) 
[ 130.747939][ T1565] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 130.748261][ T1565] ? __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) 
[ 130.748583][ T1565] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 130.748987][ T1565] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 130.749327][ T1565] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 130.749652][ T1565] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 130.749984][ T1565] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 130.750319][ T1565] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 130.750634][ T1565] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 130.750951][ T1565] ? __create_object (mm/kmemleak.c:771) 
[ 130.751264][ T1565] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 130.751570][ T1565] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 130.751897][ T1565] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 130.752281][ T1565] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 130.752601][ T1565] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 130.752928][ T1565] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 130.753241][ T1565] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 130.753554][ T1565] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 130.753875][ T1565] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 130.754180][ T1565] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 130.754497][ T1565] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 130.754814][ T1565] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 130.755125][ T1565] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 130.755434][ T1565] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 130.755747][ T1565] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 130.756069][ T1565] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 130.756382][ T1565] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 130.756714][ T1565] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 130.757034][ T1565] ? 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) 
[ 130.757344][ T1565] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 130.757661][ T1565] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 130.757982][ T1565] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 130.758296][ T1565] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 130.758612][ T1565] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 130.758939][ T1565] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 130.759271][ T1565] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 130.759580][ T1565] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 130.759902][ T1565] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 130.760297][ T1565] ___sys_sendmsg (net/socket.c:2670) 
[ 130.760609][ T1565] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 130.760930][ T1565] ? __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) 
[ 130.761325][ T1565] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 130.761638][ T1565] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 130.761962][ T1565] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 130.762278][ T1565] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 130.762593][ T1565] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 130.762911][ T1565] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 130.763232][ T1565] __sys_sendmsg (net/socket.c:2700) 
[ 130.763537][ T1565] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 130.763938][ T1565] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 130.764257][ T1565] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 130.764571][ T1565] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 130.764897][ T1565] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  130.765282][ T1565] RIP: 0033:0x7fa32562c1e7
[ 130.765598][ T1565] 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)
[  130.766698][ T1565] RSP: 002b:00007ffec96e6f18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  130.767170][ T1565] RAX: ffffffffffffffda RBX: 00007ffec96e7650 RCX: 00007fa32562c1e7
[  130.767627][ T1565] RDX: 0000000000000000 RSI: 00007ffec96e6f80 RDI: 0000000000000005
[  130.768101][ T1565] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  130.768556][ T1565] R10: 000000001cd27910 R11: 0000000000000246 R12: 0000000000000003
[  130.769021][ T1565] R13: 00000000686e5237 R14: 0000000000499600 R15: 0000000000000000
| [  134.569857][ T1616] ------------[ cut here ]------------
| [ 134.570241][ T1616] WARNING: CPU: 0 PID: 1616 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) 
| [  134.570947][ T1616] Modules linked in: vxlan
| [  134.572040][ T1616] Tainted: [W]=WARN
[  134.572310][ T1616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 134.572740][ T1616] 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) 
[ 134.573113][ T1616] 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
[  134.574347][ T1616] RSP: 0018:ffffc90003426ef0 EFLAGS: 00010246
[  134.574780][ T1616] RAX: 0000000000000000 RBX: ffff8880120d2000 RCX: 0000000000000001
[  134.575326][ T1616] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  134.576013][ T1616] RBP: ffffc90003426fd8 R08: 0000000000000000 R09: 0000000000000000
[  134.576543][ T1616] R10: ffffc90003427008 R11: ffffffff8bf8d1e0 R12: 1ffff92000684de2
[  134.577211][ T1616] R13: 00000000000005dc R14: ffffc90003427008 R15: ffff8880120d2f48
[  134.577748][ T1616] FS:  00007fe68026f800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[  134.578514][ T1616] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  134.578985][ T1616] CR2: 00000000004e6890 CR3: 0000000012e05003 CR4: 0000000000772ef0
[  134.579541][ T1616] PKRU: 55555554
[  134.579820][ T1616] Call Trace:
[  134.580082][ T1616]  <TASK>
[ 134.580263][ T1616] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 134.580614][ T1616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.580982][ T1616] netif_set_mtu (net/core/dev.c:9652) 
[ 134.581328][ T1616] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 134.581688][ T1616] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 134.581961][ T1616] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 134.582334][ T1616] br_add_if (net/bridge/br_if.c:697) 
[ 134.582602][ T1616] do_set_master (net/core/rtnetlink.c:2948) 
[ 134.582984][ T1616] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 134.583337][ T1616] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 134.583679][ T1616] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 134.584122][ T1616] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 134.584468][ T1616] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 134.584829][ T1616] ? __kernel_text_address (kernel/extable.c:79) 
[ 134.585178][ T1616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.585525][ T1616] ? __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) 
[ 134.585881][ T1616] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 134.586308][ T1616] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 134.586665][ T1616] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 134.587040][ T1616] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 134.587394][ T1616] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 134.587762][ T1616] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 134.588124][ T1616] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 134.588469][ T1616] ? __create_object (mm/kmemleak.c:771) 
[ 134.588834][ T1616] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 134.589208][ T1616] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 134.589551][ T1616] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 134.589998][ T1616] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 134.590362][ T1616] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 134.590706][ T1616] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 134.591072][ T1616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.591423][ T1616] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 134.591763][ T1616] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 134.592109][ T1616] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 134.592454][ T1616] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 134.592806][ T1616] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 134.593158][ T1616] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 134.593502][ T1616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.593856][ T1616] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 134.594197][ T1616] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 134.594534][ T1616] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 134.594910][ T1616] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 134.595251][ T1616] ? 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) 
[ 134.595602][ T1616] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 134.595954][ T1616] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 134.596296][ T1616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.596645][ T1616] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 134.596996][ T1616] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 134.597337][ T1616] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 134.597687][ T1616] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 134.598045][ T1616] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 134.598392][ T1616] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 134.598856][ T1616] ___sys_sendmsg (net/socket.c:2670) 
[ 134.599214][ T1616] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 134.599556][ T1616] ? __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) 
[ 134.599989][ T1616] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 134.600333][ T1616] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 134.600690][ T1616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.601079][ T1616] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 134.601430][ T1616] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 134.601777][ T1616] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 134.602135][ T1616] __sys_sendmsg (net/socket.c:2700) 
[ 134.602487][ T1616] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 134.602932][ T1616] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 134.603300][ T1616] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 134.603649][ T1616] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 134.604008][ T1616] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  134.604438][ T1616] RIP: 0033:0x7fe68043c1e7
[ 134.604811][ T1616] 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)
[  134.606038][ T1616] RSP: 002b:00007ffd9fb4df08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  134.606559][ T1616] RAX: ffffffffffffffda RBX: 00007ffd9fb4e640 RCX: 00007fe68043c1e7
[  134.607090][ T1616] RDX: 0000000000000000 RSI: 00007ffd9fb4df70 RDI: 0000000000000005
[  134.607602][ T1616] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  134.608134][ T1616] R10: 0000000026830910 R11: 0000000000000246 R12: 0000000000000003
[  134.608643][ T1616] R13: 00000000686e523b R14: 0000000000499600 R15: 0000000000000000
| [  136.394941][ T1642] ------------[ cut here ]------------
| [ 136.395431][ T1642] WARNING: CPU: 3 PID: 1642 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) 
| [  136.396373][ T1642] Modules linked in: vxlan
| [  136.397326][ T1642] Tainted: [W]=WARN
[  136.397562][ T1642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 136.397940][ T1642] 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) 
[ 136.398251][ T1642] 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
[  136.400007][ T1642] RSP: 0018:ffffc900034e6ef0 EFLAGS: 00010246
[  136.400653][ T1642] RAX: 0000000000000000 RBX: ffff8880120d2000 RCX: 0000000000000001
[  136.401483][ T1642] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  136.402343][ T1642] RBP: ffffc900034e6fd8 R08: 0000000000000000 R09: 0000000000000000
[  136.403551][ T1642] R10: ffffc900034e7008 R11: ffffffff8c8ceab8 R12: 1ffff9200069cde2
[  136.404767][ T1642] R13: 00000000000005aa R14: ffffc900034e7008 R15: ffff8880120d2f48
[  136.405860][ T1642] FS:  00007f898de9c800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[  136.406988][ T1642] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  136.407663][ T1642] CR2: 00000000004e6890 CR3: 000000000e3fe006 CR4: 0000000000772ef0
[  136.408485][ T1642] PKRU: 55555554
[  136.408926][ T1642] Call Trace:
[  136.409349][ T1642]  <TASK>
[ 136.409633][ T1642] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 136.410185][ T1642] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 136.410731][ T1642] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 136.411452][ T1642] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 136.412024][ T1642] netif_set_mtu (net/core/dev.c:9652) 
[ 136.412564][ T1642] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 136.413148][ T1642] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 136.413864][ T1642] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 136.414288][ T1642] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 136.414879][ T1642] br_add_if (net/bridge/br_if.c:697) 
[ 136.415324][ T1642] do_set_master (net/core/rtnetlink.c:2948) 
[ 136.415886][ T1642] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 136.416434][ T1642] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 136.417053][ T1642] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 136.417735][ T1642] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 136.418281][ T1642] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 136.418840][ T1642] ? __kernel_text_address (kernel/extable.c:79) 
[ 136.419385][ T1642] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 136.419939][ T1642] ? __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) 
[ 136.420474][ T1642] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 136.421162][ T1642] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 136.421705][ T1642] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 136.422240][ T1642] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 136.422764][ T1642] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 136.423322][ T1642] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 136.423889][ T1642] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 136.424438][ T1642] ? __create_object (mm/kmemleak.c:771) 
[ 136.425025][ T1642] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 136.425584][ T1642] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 136.426127][ T1642] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 136.426777][ T1642] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 136.427350][ T1642] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 136.427910][ T1642] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 136.428439][ T1642] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 136.429002][ T1642] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 136.429548][ T1642] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 136.430091][ T1642] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 136.430631][ T1642] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 136.431223][ T1642] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 136.431787][ T1642] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 136.432362][ T1642] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 136.432931][ T1642] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 136.433481][ T1642] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 136.434039][ T1642] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 136.434605][ T1642] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 136.435170][ T1642] ? 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) 
[ 136.435712][ T1642] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 136.436280][ T1642] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 136.436835][ T1642] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 136.437372][ T1642] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 136.437928][ T1642] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 136.438459][ T1642] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 136.439006][ T1642] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 136.439395][ T1642] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 136.439948][ T1642] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 136.440635][ T1642] ___sys_sendmsg (net/socket.c:2670) 
[ 136.441149][ T1642] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 136.441665][ T1642] ? __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) 
[ 136.442348][ T1642] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 136.442937][ T1642] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 136.443483][ T1642] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 136.444063][ T1642] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 136.444613][ T1642] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 136.445198][ T1642] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 136.445752][ T1642] __sys_sendmsg (net/socket.c:2700) 
[ 136.446250][ T1642] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 136.446954][ T1642] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 136.447519][ T1642] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 136.448077][ T1642] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 136.448420][ T1642] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  136.449102][ T1642] RIP: 0033:0x7f898e0691e7
[ 136.449607][ T1642] 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)
[  136.451545][ T1642] RSP: 002b:00007fffcffdccb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  136.452285][ T1642] RAX: ffffffffffffffda RBX: 00007fffcffdd3f0 RCX: 00007f898e0691e7
[  136.453064][ T1642] RDX: 0000000000000000 RSI: 00007fffcffdcd20 RDI: 0000000000000005
[  136.453879][ T1642] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  136.454681][ T1642] R10: 000000002452e910 R11: 0000000000000246 R12: 0000000000000003
[  136.455462][ T1642] R13: 00000000686e523c R14: 0000000000499600 R15: 0000000000000000
| [  140.185407][ T1693] ------------[ cut here ]------------
| [ 140.185718][ T1693] WARNING: CPU: 1 PID: 1693 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) 
| [  140.186344][ T1693] Modules linked in: vxlan
| [  140.187303][ T1693] Tainted: [W]=WARN
[  140.187546][ T1693] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 140.187942][ T1693] 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) 
[ 140.188273][ T1693] 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
[  140.189431][ T1693] RSP: 0018:ffffc90003656ef0 EFLAGS: 00010246
[  140.189835][ T1693] RAX: 0000000000000000 RBX: ffff888012a8a000 RCX: 0000000000000001
[  140.190308][ T1693] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  140.190788][ T1693] RBP: ffffc90003656fd8 R08: 0000000000000000 R09: 0000000000000000
[  140.191264][ T1693] R10: ffffc90003657008 R11: ffffffff8bf8d1e0 R12: 1ffff920006cade2
[  140.191728][ T1693] R13: 00000000000005dc R14: ffffc90003657008 R15: ffff888012a8af48
[  140.192201][ T1693] FS:  00007ff25a9c7800(0000) GS:ffff8880df419000(0000) knlGS:0000000000000000
[  140.192744][ T1693] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  140.193175][ T1693] CR2: 00000000004e6898 CR3: 0000000012d85006 CR4: 0000000000772ef0
[  140.193651][ T1693] PKRU: 55555554
[  140.193895][ T1693] Call Trace:
[  140.194129][ T1693]  <TASK>
[ 140.194289][ T1693] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 140.194599][ T1693] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 140.194931][ T1693] netif_set_mtu (net/core/dev.c:9652) 
[ 140.195246][ T1693] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 140.195574][ T1693] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 140.195820][ T1693] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 140.196135][ T1693] br_add_if (net/bridge/br_if.c:697) 
[ 140.196378][ T1693] do_set_master (net/core/rtnetlink.c:2948) 
[ 140.196687][ T1693] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 140.197024][ T1693] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 140.197345][ T1693] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 140.197742][ T1693] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 140.198063][ T1693] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 140.198373][ T1693] ? __kernel_text_address (kernel/extable.c:79) 
[ 140.198685][ T1693] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 140.199008][ T1693] ? __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) 
[ 140.199332][ T1693] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 140.199720][ T1693] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 140.200055][ T1693] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 140.200365][ T1693] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 140.200673][ T1693] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 140.201007][ T1693] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 140.201323][ T1693] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 140.201629][ T1693] ? __create_object (mm/kmemleak.c:771) 
[ 140.201950][ T1693] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 140.202266][ T1693] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 140.202575][ T1693] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 140.202966][ T1693] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 140.203282][ T1693] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 140.203594][ T1693] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 140.203911][ T1693] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 140.204225][ T1693] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 140.204535][ T1693] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 140.204872][ T1693] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 140.205188][ T1693] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 140.205495][ T1693] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 140.205819][ T1693] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 140.206135][ T1693] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 140.206448][ T1693] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 140.206758][ T1693] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 140.207083][ T1693] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 140.207404][ T1693] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 140.207709][ T1693] ? 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) 
[ 140.208027][ T1693] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 140.208341][ T1693] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 140.208652][ T1693] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 140.208984][ T1693] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 140.209322][ T1693] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 140.209633][ T1693] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 140.209959][ T1693] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 140.210273][ T1693] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 140.210582][ T1693] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 140.210989][ T1693] ___sys_sendmsg (net/socket.c:2670) 
[ 140.211294][ T1693] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 140.211608][ T1693] ? __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) 
[ 140.212006][ T1693] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 140.212321][ T1693] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 140.212635][ T1693] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 140.212971][ T1693] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 140.213283][ T1693] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 140.213594][ T1693] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 140.213922][ T1693] __sys_sendmsg (net/socket.c:2700) 
[ 140.214234][ T1693] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 140.214616][ T1693] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 140.214950][ T1693] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 140.215261][ T1693] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 140.215572][ T1693] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  140.215965][ T1693] RIP: 0033:0x7ff25ab941e7
[ 140.216284][ T1693] 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)
[  140.217414][ T1693] RSP: 002b:00007ffea1e59088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  140.217891][ T1693] RAX: ffffffffffffffda RBX: 00007ffea1e597c0 RCX: 00007ff25ab941e7
[  140.218358][ T1693] RDX: 0000000000000000 RSI: 00007ffea1e590f0 RDI: 0000000000000005
[  140.218828][ T1693] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  140.219308][ T1693] R10: 0000000017e67910 R11: 0000000000000246 R12: 0000000000000003
[  140.219769][ T1693] R13: 00000000686e5240 R14: 0000000000499600 R15: 0000000000000000
| [  141.999597][ T1719] ------------[ cut here ]------------
| [ 141.999943][ T1719] WARNING: CPU: 2 PID: 1719 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) 
| [  142.000558][ T1719] Modules linked in: vxlan
| [  142.001509][ T1719] Tainted: [W]=WARN
[  142.001747][ T1719] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 142.002139][ T1719] 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) 
[ 142.002460][ T1719] 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
[  142.003564][ T1719] RSP: 0018:ffffc90003756ef0 EFLAGS: 00010246
[  142.003971][ T1719] RAX: 0000000000000000 RBX: ffff888012a8a000 RCX: 0000000000000001
[  142.004424][ T1719] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  142.004885][ T1719] RBP: ffffc90003756fd8 R08: 0000000000000000 R09: 0000000000000000
[  142.005341][ T1719] R10: ffffc90003757008 R11: ffffffff8bf8d1e0 R12: 1ffff920006eade2
[  142.005803][ T1719] R13: 0000000000000596 R14: ffffc90003757008 R15: ffff888012a8af48
[  142.006257][ T1719] FS:  00007f6444c08800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[  142.006786][ T1719] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  142.007190][ T1719] CR2: 00000000004e6898 CR3: 0000000012b18004 CR4: 0000000000772ef0
[  142.007647][ T1719] PKRU: 55555554
[  142.007896][ T1719] Call Trace:
[  142.008129][ T1719]  <TASK>
[ 142.008298][ T1719] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 142.008606][ T1719] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 142.008939][ T1719] netif_set_mtu (net/core/dev.c:9652) 
[ 142.009260][ T1719] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 142.009587][ T1719] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 142.009835][ T1719] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 142.010153][ T1719] br_add_if (net/bridge/br_if.c:697) 
[ 142.010398][ T1719] do_set_master (net/core/rtnetlink.c:2948) 
[ 142.010703][ T1719] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 142.011026][ T1719] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 142.011340][ T1719] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 142.011737][ T1719] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 142.012056][ T1719] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 142.012364][ T1719] ? __kernel_text_address (kernel/extable.c:79) 
[ 142.012673][ T1719] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 142.012994][ T1719] ? __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) 
[ 142.013306][ T1719] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 142.013688][ T1719] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 142.014007][ T1719] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 142.014315][ T1719] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 142.014619][ T1719] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 142.014937][ T1719] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 142.015245][ T1719] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 142.015550][ T1719] ? __create_object (mm/kmemleak.c:771) 
[ 142.015872][ T1719] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 142.016191][ T1719] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 142.016501][ T1719] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 142.016899][ T1719] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 142.017215][ T1719] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 142.017529][ T1719] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 142.017844][ T1719] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 142.018166][ T1719] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 142.018471][ T1719] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 142.018781][ T1719] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 142.019120][ T1719] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 142.019432][ T1719] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 142.019739][ T1719] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 142.020061][ T1719] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 142.020375][ T1719] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 142.020683][ T1719] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 142.021010][ T1719] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 142.021331][ T1719] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 142.021637][ T1719] ? 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) 
[ 142.021957][ T1719] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 142.022268][ T1719] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 142.022574][ T1719] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 142.022898][ T1719] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 142.023212][ T1719] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 142.023523][ T1719] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 142.023849][ T1719] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 142.024165][ T1719] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 142.024472][ T1719] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 142.024874][ T1719] ___sys_sendmsg (net/socket.c:2670) 
[ 142.025180][ T1719] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 142.025493][ T1719] ? __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) 
[ 142.025882][ T1719] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 142.026194][ T1719] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 142.026506][ T1719] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 142.026830][ T1719] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 142.027137][ T1719] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 142.027446][ T1719] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 142.027761][ T1719] __sys_sendmsg (net/socket.c:2700) 
[ 142.028089][ T1719] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 142.028465][ T1719] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 142.028786][ T1719] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 142.029117][ T1719] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 142.029432][ T1719] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  142.029818][ T1719] RIP: 0033:0x7f6444dd51e7
[ 142.030138][ T1719] 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)
[  142.031215][ T1719] RSP: 002b:00007ffd1d68a3f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  142.031671][ T1719] RAX: ffffffffffffffda RBX: 00007ffd1d68ab30 RCX: 00007f6444dd51e7
[  142.032135][ T1719] RDX: 0000000000000000 RSI: 00007ffd1d68a460 RDI: 0000000000000005
[  142.032597][ T1719] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  142.033057][ T1719] R10: 0000000021b5b910 R11: 0000000000000246 R12: 0000000000000003
[  142.033512][ T1719] R13: 00000000686e5242 R14: 0000000000499600 R15: 0000000000000000
| [  147.218212][   T12] ------------[ cut here ]------------
| [ 147.218603][ T12] WARNING: CPU: 2 PID: 12 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) 
| [  147.219289][   T12] Modules linked in: vxlan
| [  147.220451][   T12] Tainted: [W]=WARN
[  147.220721][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  147.221167][   T12] Workqueue: netns cleanup_net
[ 147.221550][ T12] 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) 
[ 147.221925][ T12] 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
[  147.223149][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[  147.223590][   T12] RAX: 0000000000000000 RBX: ffff888012a8a000 RCX: 0000000000000001
[  147.224126][   T12] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  147.224641][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  147.225168][   T12] R10: ffffc900000c7480 R11: ffffffff8bf8d1e0 R12: 1ffff92000018e70
[  147.225691][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff888012a8af48
[  147.226231][   T12] FS:  0000000000000000(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[  147.226889][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  147.227347][   T12] CR2: 0000563394ab1990 CR3: 0000000042b4a003 CR4: 0000000000772ef0
[  147.227881][   T12] PKRU: 55555554
[  147.228142][   T12] Call Trace:
[  147.228403][   T12]  <TASK>
[ 147.228588][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 147.228944][ T12] ? __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) 
[ 147.229376][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 147.229641][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 147.229990][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 147.230348][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 147.230691][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 147.231115][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 147.231536][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 147.231887][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 147.232229][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 147.232571][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 147.232918][ T12] ? kthread (kernel/kthread.c:464) 
[ 147.233177][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 147.233517][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 147.233884][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 147.234229][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 147.234587][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 147.234857][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 147.235210][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 147.235470][ T12] br_device_event (net/bridge/br.c:141) 
[ 147.235826][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 147.236168][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 147.236516][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 147.236957][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 147.237400][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 147.237841][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 147.238195][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 147.238624][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 147.239078][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 147.239435][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 147.239868][ T12] ? 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) 
[ 147.240228][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 147.240644][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 147.241076][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 147.241497][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 147.241949][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 147.242297][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 147.242753][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 147.243117][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 147.243460][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 147.243819][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 147.244158][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 147.244500][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 147.244860][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 147.245211][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 147.245575][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 147.245937][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 147.246285][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 147.246627][ T12] kthread (kernel/kthread.c:464) 
[ 147.246916][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 147.247263][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 147.247606][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 147.247964][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 147.248320][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 147.248664][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 147.249028][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 147.249406][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  147.283489][   T12] ------------[ cut here ]------------
| [ 147.283878][ T12] WARNING: CPU: 2 PID: 12 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) 
| [  147.284471][   T12] Modules linked in: vxlan
| [  147.285775][   T12] Tainted: [W]=WARN
[  147.286042][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  147.286445][   T12] Workqueue: netns cleanup_net
[ 147.286788][ T12] 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) 
[ 147.287143][ T12] 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
[  147.288291][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[  147.288706][   T12] RAX: 0000000000000000 RBX: ffff8880120d2000 RCX: 0000000000000001
[  147.289226][   T12] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  147.289705][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  147.290199][   T12] R10: ffffc900000c7480 R11: ffffffff8bf8d1e0 R12: 1ffff92000018e70
[  147.290685][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff8880120d2f48
[  147.291185][   T12] FS:  0000000000000000(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[  147.291745][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  147.292171][   T12] CR2: 0000563394ab1990 CR3: 0000000042b4a003 CR4: 0000000000772ef0
[  147.292668][   T12] PKRU: 55555554
[  147.292940][   T12] Call Trace:
[  147.293200][   T12]  <TASK>
[ 147.293390][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 147.293735][ T12] ? __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) 
[ 147.294163][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 147.294432][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 147.294766][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 147.295112][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 147.295482][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 147.295918][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 147.296336][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 147.296675][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 147.297025][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 147.297370][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 147.297710][ T12] ? kthread (kernel/kthread.c:464) 
[ 147.297968][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 147.298300][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 147.298641][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 147.298976][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 147.299364][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 147.299631][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 147.299971][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 147.300219][ T12] br_device_event (net/bridge/br.c:141) 
[ 147.300546][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 147.300904][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 147.301244][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 147.301650][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 147.302091][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 147.302514][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 147.302875][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 147.303296][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 147.303740][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 147.304094][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 147.304503][ T12] ? 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) 
[ 147.304839][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 147.305246][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 147.305645][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 147.306063][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 147.306478][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 147.306815][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 147.307225][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 147.307557][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 147.307892][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 147.308237][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 147.308570][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 147.308911][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 147.309254][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 147.309585][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 147.309931][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 147.310258][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 147.310592][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 147.310939][ T12] kthread (kernel/kthread.c:464) 
[ 147.311191][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 147.311522][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 147.311863][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 147.312194][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 147.312524][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 147.312859][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 147.313183][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 147.313514][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  169.314685][ T1956] ------------[ cut here ]------------
| [ 169.315043][ T1956] WARNING: CPU: 2 PID: 1956 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) 
| [  169.315677][ T1956] Modules linked in: vxlan
| [  169.316671][ T1956] Tainted: [W]=WARN
[  169.316927][ T1956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 169.317326][ T1956] 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) 
[ 169.317662][ T1956] 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
[  169.318811][ T1956] RSP: 0018:ffffc90004126ef0 EFLAGS: 00010246
[  169.319243][ T1956] RAX: 0000000000000000 RBX: ffff88800e582000 RCX: 0000000000000001
[  169.319721][ T1956] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  169.320206][ T1956] RBP: ffffc90004126fd8 R08: 0000000000000000 R09: 0000000000000000
[  169.320691][ T1956] R10: ffffc90004127008 R11: ffffffff8bf8d1e0 R12: 1ffff92000824de2
[  169.321177][ T1956] R13: 00000000000005dc R14: ffffc90004127008 R15: ffff88800e582f48
[  169.321660][ T1956] FS:  00007f22c7209800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[  169.322229][ T1956] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  169.322634][ T1956] CR2: 00000000004e6890 CR3: 000000001279b004 CR4: 0000000000772ef0
[  169.323128][ T1956] PKRU: 55555554
[  169.323383][ T1956] Call Trace:
[  169.323630][ T1956]  <TASK>
[ 169.323810][ T1956] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 169.324134][ T1956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.324470][ T1956] netif_set_mtu (net/core/dev.c:9652) 
[ 169.324805][ T1956] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 169.325144][ T1956] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 169.325395][ T1956] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 169.325724][ T1956] br_add_if (net/bridge/br_if.c:697) 
[ 169.325999][ T1956] do_set_master (net/core/rtnetlink.c:2948) 
[ 169.326320][ T1956] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 169.326650][ T1956] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 169.326988][ T1956] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 169.327403][ T1956] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 169.327729][ T1956] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 169.328059][ T1956] ? __kernel_text_address (kernel/extable.c:79) 
[ 169.328392][ T1956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.328721][ T1956] ? __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) 
[ 169.329055][ T1956] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 169.329464][ T1956] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 169.329787][ T1956] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 169.330119][ T1956] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 169.330442][ T1956] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 169.330776][ T1956] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 169.331112][ T1956] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 169.331432][ T1956] ? __create_object (mm/kmemleak.c:771) 
[ 169.331761][ T1956] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 169.332092][ T1956] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 169.332417][ T1956] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 169.332811][ T1956] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 169.333131][ T1956] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 169.333442][ T1956] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.333754][ T1956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.334090][ T1956] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 169.334415][ T1956] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 169.334735][ T1956] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 169.335076][ T1956] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.335397][ T1956] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 169.335726][ T1956] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.336061][ T1956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.336389][ T1956] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 169.336710][ T1956] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.337043][ T1956] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 169.337377][ T1956] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 169.337701][ T1956] ? 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) 
[ 169.338040][ T1956] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 169.338373][ T1956] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 169.338693][ T1956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.339030][ T1956] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 169.339365][ T1956] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 169.339688][ T1956] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 169.340018][ T1956] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 169.340328][ T1956] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 169.340642][ T1956] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 169.341044][ T1956] ___sys_sendmsg (net/socket.c:2670) 
[ 169.341347][ T1956] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 169.341656][ T1956] ? __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) 
[ 169.342043][ T1956] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 169.342356][ T1956] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 169.342673][ T1956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.343008][ T1956] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 169.343316][ T1956] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 169.343622][ T1956] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 169.343949][ T1956] __sys_sendmsg (net/socket.c:2700) 
[ 169.344254][ T1956] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 169.344647][ T1956] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 169.344987][ T1956] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 169.345303][ T1956] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 169.345614][ T1956] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  169.346003][ T1956] RIP: 0033:0x7f22c73d61e7
[ 169.346321][ T1956] 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)
[  169.347407][ T1956] RSP: 002b:00007fffbfe09ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  169.347876][ T1956] RAX: ffffffffffffffda RBX: 00007fffbfe0a3e0 RCX: 00007f22c73d61e7
[  169.348330][ T1956] RDX: 0000000000000000 RSI: 00007fffbfe09d10 RDI: 0000000000000005
[  169.348806][ T1956] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  169.349286][ T1956] R10: 000000000fa74910 R11: 0000000000000246 R12: 0000000000000003
[  169.349743][ T1956] R13: 00000000686e525d R14: 0000000000499600 R15: 0000000000000000
| [  170.848616][ T1982] ------------[ cut here ]------------
| [ 170.848923][ T1982] WARNING: CPU: 3 PID: 1982 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) 
| [  170.849518][ T1982] Modules linked in: vxlan
| [  170.850420][ T1982] Tainted: [W]=WARN
[  170.850650][ T1982] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 170.851030][ T1982] 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) 
[ 170.851332][ T1982] 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
[  170.852387][ T1982] RSP: 0018:ffffc900041e6ef0 EFLAGS: 00010246
[  170.852759][ T1982] RAX: 0000000000000000 RBX: ffff88800e582000 RCX: 0000000000000001
[  170.853213][ T1982] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  170.853651][ T1982] RBP: ffffc900041e6fd8 R08: 0000000000000000 R09: 0000000000000000
[  170.854096][ T1982] R10: ffffc900041e7008 R11: ffffffff8c8ceab8 R12: 1ffff9200083cde2
[  170.854539][ T1982] R13: 00000000000005aa R14: ffffc900041e7008 R15: ffff88800e582f48
[  170.855015][ T1982] FS:  00007f0270a33800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[  170.855527][ T1982] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  170.855900][ T1982] CR2: 00000000004e6890 CR3: 00000000129a5005 CR4: 0000000000772ef0
[  170.856342][ T1982] PKRU: 55555554
[  170.856565][ T1982] Call Trace:
[  170.856783][ T1982]  <TASK>
[ 170.856951][ T1982] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 170.857250][ T1982] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 170.857544][ T1982] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 170.857915][ T1982] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 170.858212][ T1982] netif_set_mtu (net/core/dev.c:9652) 
[ 170.858503][ T1982] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 170.858814][ T1982] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 170.859199][ T1982] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 170.859425][ T1982] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 170.859723][ T1982] br_add_if (net/bridge/br_if.c:697) 
[ 170.859963][ T1982] do_set_master (net/core/rtnetlink.c:2948) 
[ 170.860257][ T1982] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 170.860553][ T1982] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 170.860859][ T1982] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 170.861237][ T1982] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 170.861529][ T1982] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 170.861828][ T1982] ? __kernel_text_address (kernel/extable.c:79) 
[ 170.862130][ T1982] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.862427][ T1982] ? __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) 
[ 170.862720][ T1982] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 170.863089][ T1982] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.863392][ T1982] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.863684][ T1982] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 170.863986][ T1982] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 170.864285][ T1982] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 170.864579][ T1982] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 170.864875][ T1982] ? __create_object (mm/kmemleak.c:771) 
[ 170.865172][ T1982] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 170.865467][ T1982] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 170.865768][ T1982] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 170.866140][ T1982] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 170.866441][ T1982] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 170.866745][ T1982] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.867043][ T1982] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.867342][ T1982] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 170.867634][ T1982] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 170.867933][ T1982] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 170.868232][ T1982] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 170.868524][ T1982] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 170.868825][ T1982] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.869127][ T1982] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.869427][ T1982] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 170.869720][ T1982] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 170.870021][ T1982] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 170.870332][ T1982] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 170.870625][ T1982] ? 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) 
[ 170.870927][ T1982] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 170.871221][ T1982] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 170.871516][ T1982] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.871824][ T1982] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 170.872121][ T1982] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 170.872417][ T1982] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 170.872718][ T1982] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 170.873020][ T1982] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 170.873312][ T1982] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 170.873687][ T1982] ___sys_sendmsg (net/socket.c:2670) 
[ 170.873986][ T1982] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 170.874277][ T1982] ? __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) 
[ 170.874647][ T1982] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 170.874951][ T1982] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 170.875246][ T1982] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 170.875545][ T1982] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 170.875846][ T1982] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 170.876142][ T1982] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 170.876442][ T1982] __sys_sendmsg (net/socket.c:2700) 
[ 170.876733][ T1982] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 170.877106][ T1982] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 170.877413][ T1982] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 170.877707][ T1982] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 170.878011][ T1982] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  170.878371][ T1982] RIP: 0033:0x7f0270c001e7
[ 170.878671][ T1982] 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)
[  170.879736][ T1982] RSP: 002b:00007fff23d12798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  170.880187][ T1982] RAX: ffffffffffffffda RBX: 00007fff23d12ed0 RCX: 00007f0270c001e7
[  170.880625][ T1982] RDX: 0000000000000000 RSI: 00007fff23d12800 RDI: 0000000000000005
[  170.881079][ T1982] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  170.881519][ T1982] R10: 00000000023f9910 R11: 0000000000000246 R12: 0000000000000003
[  170.881964][ T1982] R13: 00000000686e525f R14: 0000000000499600 R15: 0000000000000000
| [  174.496447][ T2032] ------------[ cut here ]------------
| [ 174.496753][ T2032] WARNING: CPU: 0 PID: 2032 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) 
| [  174.497375][ T2032] Modules linked in: vxlan
| [  174.498355][ T2032] Tainted: [W]=WARN
[  174.498599][ T2032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 174.498996][ T2032] 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) 
[ 174.499324][ T2032] 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
[  174.500443][ T2032] RSP: 0018:ffffc90004316ef0 EFLAGS: 00010246
[  174.500849][ T2032] RAX: 0000000000000000 RBX: ffff88800c132000 RCX: 0000000000000001
[  174.501311][ T2032] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  174.501773][ T2032] RBP: ffffc90004316fd8 R08: 0000000000000000 R09: 0000000000000000
[  174.502262][ T2032] R10: ffffc90004317008 R11: ffffffff8bf8d1e0 R12: 1ffff92000862de2
[  174.502737][ T2032] R13: 00000000000005dc R14: ffffc90004317008 R15: ffff88800c132f48
[  174.503207][ T2032] FS:  00007f6671c82800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[  174.503748][ T2032] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  174.504152][ T2032] CR2: 00000000004e6898 CR3: 000000001277a006 CR4: 0000000000772ef0
[  174.504622][ T2032] PKRU: 55555554
[  174.504870][ T2032] Call Trace:
[  174.505099][ T2032]  <TASK>
[ 174.505259][ T2032] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 174.505568][ T2032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 174.505914][ T2032] netif_set_mtu (net/core/dev.c:9652) 
[ 174.506230][ T2032] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 174.506553][ T2032] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 174.506804][ T2032] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 174.507130][ T2032] br_add_if (net/bridge/br_if.c:697) 
[ 174.507374][ T2032] do_set_master (net/core/rtnetlink.c:2948) 
[ 174.507681][ T2032] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 174.508004][ T2032] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 174.508318][ T2032] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 174.508710][ T2032] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 174.509029][ T2032] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 174.509354][ T2032] ? __kernel_text_address (kernel/extable.c:79) 
[ 174.509665][ T2032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 174.509996][ T2032] ? __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) 
[ 174.510309][ T2032] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 174.510691][ T2032] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 174.511011][ T2032] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 174.511317][ T2032] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 174.511629][ T2032] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 174.511950][ T2032] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 174.512263][ T2032] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 174.512566][ T2032] ? __create_object (mm/kmemleak.c:771) 
[ 174.512885][ T2032] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 174.513195][ T2032] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 174.513510][ T2032] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 174.513914][ T2032] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 174.514240][ T2032] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 174.514559][ T2032] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 174.514873][ T2032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 174.515185][ T2032] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 174.515495][ T2032] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 174.515812][ T2032] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 174.516124][ T2032] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 174.516431][ T2032] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 174.516744][ T2032] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 174.517063][ T2032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 174.517376][ T2032] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 174.517686][ T2032] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 174.518016][ T2032] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 174.518335][ T2032] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 174.518642][ T2032] ? 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) 
[ 174.518970][ T2032] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 174.519292][ T2032] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 174.519600][ T2032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 174.519921][ T2032] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 174.520233][ T2032] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 174.520540][ T2032] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 174.520881][ T2032] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 174.521196][ T2032] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 174.521503][ T2032] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 174.521923][ T2032] ___sys_sendmsg (net/socket.c:2670) 
[ 174.522233][ T2032] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 174.522541][ T2032] ? __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) 
[ 174.522939][ T2032] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 174.523250][ T2032] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 174.523567][ T2032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 174.523888][ T2032] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 174.524197][ T2032] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 174.524503][ T2032] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 174.524833][ T2032] __sys_sendmsg (net/socket.c:2700) 
[ 174.525140][ T2032] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 174.525518][ T2032] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 174.525866][ T2032] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 174.526180][ T2032] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 174.526493][ T2032] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  174.526888][ T2032] RIP: 0033:0x7f6671e4f1e7
[ 174.527208][ T2032] 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)
[  174.528325][ T2032] RSP: 002b:00007ffdb84a63d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  174.528802][ T2032] RAX: ffffffffffffffda RBX: 00007ffdb84a6b10 RCX: 00007f6671e4f1e7
[  174.529272][ T2032] RDX: 0000000000000000 RSI: 00007ffdb84a6440 RDI: 0000000000000005
[  174.529737][ T2032] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  174.530226][ T2032] R10: 00000000149af910 R11: 0000000000000246 R12: 0000000000000003
[  174.530690][ T2032] R13: 00000000686e5263 R14: 0000000000499600 R15: 0000000000000000
| [  176.085502][ T2058] ------------[ cut here ]------------
| [ 176.087436][ T2058] WARNING: CPU: 1 PID: 2058 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) 
| [  176.088034][ T2058] Modules linked in: vxlan
| [  176.088950][ T2058] Tainted: [W]=WARN
[  176.089186][ T2058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 176.089552][ T2058] 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) 
[ 176.089870][ T2058] 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
[  176.090919][ T2058] RSP: 0018:ffffc900043f6ef0 EFLAGS: 00010246
[  176.091289][ T2058] RAX: 0000000000000000 RBX: ffff88800c132000 RCX: 0000000000000001
[  176.091729][ T2058] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  176.092174][ T2058] RBP: ffffc900043f6fd8 R08: 0000000000000000 R09: 0000000000000000
[  176.092611][ T2058] R10: ffffc900043f7008 R11: ffffffff8bf8d1e0 R12: 1ffff9200087ede2
[  176.093069][ T2058] R13: 0000000000000596 R14: ffffc900043f7008 R15: ffff88800c132f48
[  176.093514][ T2058] FS:  00007f58c2e85800(0000) GS:ffff8880df419000(0000) knlGS:0000000000000000
[  176.094040][ T2058] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  176.094410][ T2058] CR2: 00000000004e6898 CR3: 0000000009d86006 CR4: 0000000000772ef0
[  176.094859][ T2058] PKRU: 55555554
[  176.095081][ T2058] Call Trace:
[  176.095300][ T2058]  <TASK>
[ 176.095467][ T2058] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 176.095768][ T2058] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 176.096088][ T2058] netif_set_mtu (net/core/dev.c:9652) 
[ 176.096380][ T2058] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 176.096686][ T2058] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 176.096929][ T2058] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 176.097238][ T2058] br_add_if (net/bridge/br_if.c:697) 
[ 176.097468][ T2058] do_set_master (net/core/rtnetlink.c:2948) 
[ 176.097759][ T2058] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 176.098071][ T2058] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 176.098370][ T2058] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 176.098740][ T2058] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 176.099039][ T2058] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 176.099340][ T2058] ? __kernel_text_address (kernel/extable.c:79) 
[ 176.099635][ T2058] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 176.099950][ T2058] ? __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) 
[ 176.100248][ T2058] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 176.100612][ T2058] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 176.100918][ T2058] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 176.101209][ T2058] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 176.101499][ T2058] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 176.101803][ T2058] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 176.102099][ T2058] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 176.102394][ T2058] ? __create_object (mm/kmemleak.c:771) 
[ 176.102690][ T2058] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 176.102992][ T2058] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 176.103288][ T2058] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 176.103651][ T2058] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 176.103957][ T2058] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 176.104258][ T2058] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 176.104573][ T2058] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 176.104891][ T2058] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 176.105219][ T2058] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 176.105511][ T2058] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 176.105816][ T2058] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 176.106109][ T2058] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 176.106403][ T2058] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 176.106711][ T2058] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 176.107021][ T2058] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 176.107317][ T2058] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 176.107610][ T2058] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 176.107921][ T2058] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 176.108212][ T2058] ? 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) 
[ 176.108506][ T2058] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 176.108820][ T2058] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 176.109129][ T2058] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 176.109435][ T2058] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 176.109730][ T2058] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 176.110032][ T2058] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 176.110333][ T2058] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 176.110628][ T2058] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 176.110925][ T2058] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 176.111311][ T2058] ___sys_sendmsg (net/socket.c:2670) 
[ 176.111602][ T2058] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 176.111898][ T2058] ? __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) 
[ 176.112267][ T2058] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 176.112563][ T2058] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 176.112879][ T2058] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 176.113187][ T2058] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 176.113485][ T2058] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 176.113780][ T2058] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 176.114089][ T2058] __sys_sendmsg (net/socket.c:2700) 
[ 176.114382][ T2058] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 176.114743][ T2058] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 176.115058][ T2058] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 176.115354][ T2058] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 176.115647][ T2058] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  176.116043][ T2058] RIP: 0033:0x7f58c30521e7
[ 176.116348][ T2058] 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)
[  176.117406][ T2058] RSP: 002b:00007ffdaae76378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  176.117868][ T2058] RAX: ffffffffffffffda RBX: 00007ffdaae76ab0 RCX: 00007f58c30521e7
[  176.118306][ T2058] RDX: 0000000000000000 RSI: 00007ffdaae763e0 RDI: 0000000000000005
[  176.118746][ T2058] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  176.119199][ T2058] R10: 0000000000c02910 R11: 0000000000000246 R12: 0000000000000003
[  176.119645][ T2058] R13: 00000000686e5264 R14: 0000000000499600 R15: 0000000000000000
| [  179.703741][ T2109] ------------[ cut here ]------------
| [ 179.704100][ T2109] WARNING: CPU: 1 PID: 2109 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) 
| [  179.704747][ T2109] Modules linked in: vxlan
| [  179.705732][ T2109] Tainted: [W]=WARN
[  179.705982][ T2109] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 179.706384][ T2109] 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) 
[ 179.706706][ T2109] 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
[  179.707844][ T2109] RSP: 0018:ffffc900038a6ef0 EFLAGS: 00010246
[  179.708248][ T2109] RAX: 0000000000000000 RBX: ffff888012a7a000 RCX: 0000000000000001
[  179.708723][ T2109] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  179.709356][ T2109] RBP: ffffc900038a6fd8 R08: 0000000000000000 R09: 0000000000000000
[  179.710006][ T2109] R10: ffffc900038a7008 R11: ffffffff8bf8d1e0 R12: 1ffff92000714de2
[  179.710476][ T2109] R13: 00000000000005dc R14: ffffc900038a7008 R15: ffff888012a7af48
[  179.711382][ T2109] FS:  00007f814bf0d800(0000) GS:ffff8880df419000(0000) knlGS:0000000000000000
[  179.712124][ T2109] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  179.712517][ T2109] CR2: 00000000004e6890 CR3: 000000000f1a2001 CR4: 0000000000772ef0
[  179.713142][ T2109] PKRU: 55555554
[  179.713379][ T2109] Call Trace:
[  179.713611][ T2109]  <TASK>
[ 179.713773][ T2109] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 179.714149][ T2109] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 179.714501][ T2109] netif_set_mtu (net/core/dev.c:9652) 
[ 179.714825][ T2109] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 179.715153][ T2109] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 179.715391][ T2109] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 179.715709][ T2109] br_add_if (net/bridge/br_if.c:697) 
[ 179.715993][ T2109] do_set_master (net/core/rtnetlink.c:2948) 
[ 179.716307][ T2109] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 179.716623][ T2109] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 179.716956][ T2109] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 179.717352][ T2109] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 179.717668][ T2109] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 179.717987][ T2109] ? __kernel_text_address (kernel/extable.c:79) 
[ 179.718304][ T2109] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 179.718619][ T2109] ? __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) 
[ 179.718951][ T2109] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 179.719352][ T2109] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 179.719669][ T2109] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 179.720001][ T2109] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 179.720314][ T2109] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 179.720636][ T2109] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 179.720962][ T2109] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 179.721273][ T2109] ? __create_object (mm/kmemleak.c:771) 
[ 179.721599][ T2109] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 179.721927][ T2109] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 179.722244][ T2109] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 179.722636][ T2109] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 179.722964][ T2109] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 179.723284][ T2109] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 179.723598][ T2109] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 179.723957][ T2109] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 179.724291][ T2109] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 179.724603][ T2109] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 179.724929][ T2109] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 179.725242][ T2109] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 179.725558][ T2109] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 179.725891][ T2109] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 179.726209][ T2109] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 179.726525][ T2109] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 179.726837][ T2109] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 179.727160][ T2109] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 179.727464][ T2109] ? 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) 
[ 179.727777][ T2109] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 179.728112][ T2109] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 179.728422][ T2109] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 179.728742][ T2109] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 179.729070][ T2109] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 179.729377][ T2109] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 179.729713][ T2109] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 179.730046][ T2109] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 179.730360][ T2109] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 179.730760][ T2109] ___sys_sendmsg (net/socket.c:2670) 
[ 179.731092][ T2109] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 179.731398][ T2109] ? __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) 
[ 179.731788][ T2109] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 179.732128][ T2109] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 179.732444][ T2109] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 179.732763][ T2109] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 179.733093][ T2109] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 179.733417][ T2109] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 179.733738][ T2109] __sys_sendmsg (net/socket.c:2700) 
[ 179.734062][ T2109] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 179.734448][ T2109] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 179.734772][ T2109] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 179.735094][ T2109] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 179.735401][ T2109] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  179.735786][ T2109] RIP: 0033:0x7f814c0da1e7
[ 179.736159][ T2109] 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)
[  179.737280][ T2109] RSP: 002b:00007fff402a1f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  179.737745][ T2109] RAX: ffffffffffffffda RBX: 00007fff402a2670 RCX: 00007f814c0da1e7
[  179.738224][ T2109] RDX: 0000000000000000 RSI: 00007fff402a1fa0 RDI: 0000000000000005
[  179.738687][ T2109] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  179.739158][ T2109] R10: 000000002d657910 R11: 0000000000000246 R12: 0000000000000003
[  179.739620][ T2109] R13: 00000000686e5268 R14: 0000000000499600 R15: 0000000000000000
| [  181.253020][ T2135] ------------[ cut here ]------------
| [ 181.253315][ T2135] WARNING: CPU: 3 PID: 2135 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) 
| [  181.254459][ T2135] Modules linked in: vxlan
| [  181.255367][ T2135] Tainted: [W]=WARN
[  181.255595][ T2135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 181.255968][ T2135] 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) 
[ 181.256274][ T2135] 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
[  181.257325][ T2135] RSP: 0018:ffffc900045e6ef0 EFLAGS: 00010246
[  181.257703][ T2135] RAX: 0000000000000000 RBX: ffff888012a7a000 RCX: 0000000000000001
[  181.258150][ T2135] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  181.258589][ T2135] RBP: ffffc900045e6fd8 R08: 0000000000000000 R09: 0000000000000000
[  181.259037][ T2135] R10: ffffc900045e7008 R11: ffffffff8c8ceab8 R12: 1ffff920008bcde2
[  181.259496][ T2135] R13: 00000000000005aa R14: ffffc900045e7008 R15: ffff888012a7af48
[  181.259944][ T2135] FS:  00007f970b571800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[  181.260460][ T2135] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  181.260848][ T2135] CR2: 00000000004e6890 CR3: 000000000dae3005 CR4: 0000000000772ef0
[  181.261294][ T2135] PKRU: 55555554
[  181.261514][ T2135] Call Trace:
[  181.261734][ T2135]  <TASK>
[ 181.261895][ T2135] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 181.262196][ T2135] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 181.262495][ T2135] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 181.262871][ T2135] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 181.263170][ T2135] netif_set_mtu (net/core/dev.c:9652) 
[ 181.263464][ T2135] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 181.263774][ T2135] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 181.264155][ T2135] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 181.264381][ T2135] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 181.264680][ T2135] br_add_if (net/bridge/br_if.c:697) 
[ 181.264921][ T2135] do_set_master (net/core/rtnetlink.c:2948) 
[ 181.265218][ T2135] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 181.265520][ T2135] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 181.265837][ T2135] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 181.266214][ T2135] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 181.266510][ T2135] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 181.266814][ T2135] ? __kernel_text_address (kernel/extable.c:79) 
[ 181.267112][ T2135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 181.267414][ T2135] ? __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) 
[ 181.267712][ T2135] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 181.268094][ T2135] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 181.268395][ T2135] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 181.268687][ T2135] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 181.268990][ T2135] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 181.269296][ T2135] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 181.269596][ T2135] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 181.269895][ T2135] ? __create_object (mm/kmemleak.c:771) 
[ 181.270201][ T2135] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 181.270498][ T2135] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 181.270820][ T2135] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 181.271185][ T2135] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 181.271487][ T2135] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 181.271785][ T2135] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 181.272090][ T2135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 181.272390][ T2135] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 181.272697][ T2135] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 181.272999][ T2135] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 181.273297][ T2135] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 181.273594][ T2135] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 181.273900][ T2135] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 181.274200][ T2135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 181.274502][ T2135] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 181.274806][ T2135] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 181.275110][ T2135] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 181.275414][ T2135] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 181.275714][ T2135] ? 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) 
[ 181.276017][ T2135] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 181.276314][ T2135] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 181.276607][ T2135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 181.276921][ T2135] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 181.277219][ T2135] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 181.277515][ T2135] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 181.277826][ T2135] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 181.278123][ T2135] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 181.278415][ T2135] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 181.278805][ T2135] ___sys_sendmsg (net/socket.c:2670) 
[ 181.279098][ T2135] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 181.279408][ T2135] ? __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) 
[ 181.279780][ T2135] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 181.280086][ T2135] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 181.280384][ T2135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 181.280682][ T2135] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 181.280987][ T2135] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 181.281281][ T2135] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 181.281591][ T2135] __sys_sendmsg (net/socket.c:2700) 
[ 181.281893][ T2135] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 181.282257][ T2135] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 181.282564][ T2135] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 181.282869][ T2135] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 181.283167][ T2135] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  181.283527][ T2135] RIP: 0033:0x7f970b73e1e7
[ 181.283845][ T2135] 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)
[  181.284896][ T2135] RSP: 002b:00007ffcf3f7e008 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  181.285340][ T2135] RAX: ffffffffffffffda RBX: 00007ffcf3f7e740 RCX: 00007f970b73e1e7
[  181.285784][ T2135] RDX: 0000000000000000 RSI: 00007ffcf3f7e070 RDI: 0000000000000005
[  181.286235][ T2135] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  181.286677][ T2135] R10: 000000003a2c3910 R11: 0000000000000246 R12: 0000000000000003
[  181.287126][ T2135] R13: 00000000686e5269 R14: 0000000000499600 R15: 0000000000000000
| [  184.837962][ T2186] ------------[ cut here ]------------
| [ 184.838309][ T2186] WARNING: CPU: 2 PID: 2186 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) 
| [  184.838961][ T2186] Modules linked in: vxlan
| [  184.839978][ T2186] Tainted: [W]=WARN
[  184.840229][ T2186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.840636][ T2186] 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) 
[ 184.840984][ T2186] 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
[  184.842118][ T2186] RSP: 0018:ffffc90004756ef0 EFLAGS: 00010246
[  184.842512][ T2186] RAX: 0000000000000000 RBX: ffff88800a4e2000 RCX: 0000000000000001
[  184.843010][ T2186] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  184.843492][ T2186] RBP: ffffc90004756fd8 R08: 0000000000000000 R09: 0000000000000000
[  184.843960][ T2186] R10: ffffc90004757008 R11: ffffffff8bf8d1e0 R12: 1ffff920008eade2
[  184.844433][ T2186] R13: 00000000000005dc R14: ffffc90004757008 R15: ffff88800a4e2f48
[  184.844927][ T2186] FS:  00007fb61b40f800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[  184.845482][ T2186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  184.845882][ T2186] CR2: 00000000004e6898 CR3: 000000000cec8003 CR4: 0000000000772ef0
[  184.846362][ T2186] PKRU: 55555554
[  184.846609][ T2186] Call Trace:
[  184.846867][ T2186]  <TASK>
[ 184.847034][ T2186] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 184.847353][ T2186] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 184.847687][ T2186] netif_set_mtu (net/core/dev.c:9652) 
[ 184.848018][ T2186] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 184.848355][ T2186] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 184.848608][ T2186] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 184.848947][ T2186] br_add_if (net/bridge/br_if.c:697) 
[ 184.849221][ T2186] do_set_master (net/core/rtnetlink.c:2948) 
[ 184.849546][ T2186] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 184.849885][ T2186] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 184.850214][ T2186] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 184.850619][ T2186] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 184.850952][ T2186] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 184.851276][ T2186] ? __kernel_text_address (kernel/extable.c:79) 
[ 184.851610][ T2186] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 184.851934][ T2186] ? __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) 
[ 184.852258][ T2186] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 184.852650][ T2186] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 184.852979][ T2186] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 184.853291][ T2186] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 184.853609][ T2186] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 184.853950][ T2186] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 184.854274][ T2186] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 184.854590][ T2186] ? __create_object (mm/kmemleak.c:771) 
[ 184.854917][ T2186] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 184.855240][ T2186] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 184.855568][ T2186] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 184.855969][ T2186] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 184.856298][ T2186] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 184.856632][ T2186] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 184.856978][ T2186] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 184.857307][ T2186] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 184.857639][ T2186] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 184.857974][ T2186] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 184.858300][ T2186] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 184.858620][ T2186] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 184.858956][ T2186] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 184.859295][ T2186] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 184.859622][ T2186] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 184.859953][ T2186] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 184.860274][ T2186] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 184.860605][ T2186] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 184.860933][ T2186] ? 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) 
[ 184.861257][ T2186] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 184.861592][ T2186] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 184.861930][ T2186] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 184.862259][ T2186] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 184.862583][ T2186] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 184.862911][ T2186] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 184.863238][ T2186] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 184.863564][ T2186] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 184.863913][ T2186] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 184.864326][ T2186] ___sys_sendmsg (net/socket.c:2670) 
[ 184.864643][ T2186] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 184.864972][ T2186] ? __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) 
[ 184.865372][ T2186] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 184.865698][ T2186] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 184.866038][ T2186] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 184.866372][ T2186] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 184.866692][ T2186] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 184.867027][ T2186] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 184.867356][ T2186] __sys_sendmsg (net/socket.c:2700) 
[ 184.867682][ T2186] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 184.868083][ T2186] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 184.868414][ T2186] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 184.868745][ T2186] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 184.869078][ T2186] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  184.869477][ T2186] RIP: 0033:0x7fb61b5dc1e7
[ 184.869820][ T2186] 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)
[  184.870948][ T2186] RSP: 002b:00007ffdeb4dc5c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  184.871435][ T2186] RAX: ffffffffffffffda RBX: 00007ffdeb4dcd00 RCX: 00007fb61b5dc1e7
[  184.871924][ T2186] RDX: 0000000000000000 RSI: 00007ffdeb4dc630 RDI: 0000000000000005
[  184.872399][ T2186] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  184.872879][ T2186] R10: 0000000035059910 R11: 0000000000000246 R12: 0000000000000003
[  184.873362][ T2186] R13: 00000000686e526d R14: 0000000000499600 R15: 0000000000000000
| [  186.439100][ T2212] ------------[ cut here ]------------
| [ 186.439420][ T2212] WARNING: CPU: 0 PID: 2212 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) 
| [  186.440057][ T2212] Modules linked in: vxlan
| [  186.441011][ T2212] Tainted: [W]=WARN
[  186.441252][ T2212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 186.441637][ T2212] 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) 
[ 186.441965][ T2212] 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
[  186.443071][ T2212] RSP: 0018:ffffc90004756ef0 EFLAGS: 00010246
[  186.443464][ T2212] RAX: 0000000000000000 RBX: ffff88800a4e2000 RCX: 0000000000000001
[  186.443935][ T2212] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  186.444397][ T2212] RBP: ffffc90004756fd8 R08: 0000000000000000 R09: 0000000000000000
[  186.444885][ T2212] R10: ffffc90004757008 R11: ffffffff8bf8d1e0 R12: 1ffff920008eade2
[  186.445352][ T2212] R13: 0000000000000596 R14: ffffc90004757008 R15: ffff88800a4e2f48
[  186.446010][ T2212] FS:  00007fabc1242800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[  186.446551][ T2212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  186.447147][ T2212] CR2: 00000000004e6898 CR3: 0000000010aa8002 CR4: 0000000000772ef0
[  186.447617][ T2212] PKRU: 55555554
[  186.448031][ T2212] Call Trace:
[  186.448275][ T2212]  <TASK>
[ 186.448444][ T2212] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 186.448768][ T2212] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 186.449224][ T2212] netif_set_mtu (net/core/dev.c:9652) 
[ 186.449550][ T2212] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 186.449913][ T2212] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 186.450163][ T2212] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 186.450498][ T2212] br_add_if (net/bridge/br_if.c:697) 
[ 186.450755][ T2212] do_set_master (net/core/rtnetlink.c:2948) 
[ 186.451096][ T2212] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 186.451431][ T2212] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 186.451763][ T2212] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 186.452187][ T2212] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 186.452515][ T2212] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 186.452852][ T2212] ? __kernel_text_address (kernel/extable.c:79) 
[ 186.453180][ T2212] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 186.453509][ T2212] ? __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) 
[ 186.453857][ T2212] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 186.454263][ T2212] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 186.454591][ T2212] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 186.454927][ T2212] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 186.455259][ T2212] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 186.455591][ T2212] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 186.455949][ T2212] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 186.456272][ T2212] ? __create_object (mm/kmemleak.c:771) 
[ 186.456600][ T2212] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 186.457113][ T2212] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 186.457443][ T2212] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 186.457873][ T2212] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 186.458212][ T2212] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 186.458542][ T2212] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 186.458880][ T2212] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 186.459220][ T2212] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 186.459547][ T2212] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 186.459884][ T2212] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 186.460211][ T2212] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 186.460538][ T2212] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 186.460870][ T2212] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 186.461198][ T2212] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 186.461526][ T2212] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 186.461870][ T2212] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 186.462194][ T2212] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 186.462526][ T2212] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 186.462862][ T2212] ? 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) 
[ 186.463193][ T2212] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 186.463520][ T2212] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 186.463853][ T2212] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 186.464185][ T2212] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 186.464511][ T2212] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 186.464846][ T2212] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 186.465178][ T2212] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 186.465511][ T2212] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 186.465853][ T2212] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 186.466272][ T2212] ___sys_sendmsg (net/socket.c:2670) 
[ 186.466595][ T2212] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 186.466931][ T2212] ? __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) 
[ 186.467337][ T2212] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 186.467672][ T2212] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 186.468012][ T2212] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 186.468343][ T2212] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 186.468668][ T2212] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 186.469004][ T2212] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 186.469333][ T2212] __sys_sendmsg (net/socket.c:2700) 
[ 186.469650][ T2212] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 186.470050][ T2212] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 186.470378][ T2212] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 186.470690][ T2212] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 186.471012][ T2212] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  186.471407][ T2212] RIP: 0033:0x7fabc140f1e7
[ 186.471725][ T2212] 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)
[  186.472848][ T2212] RSP: 002b:00007ffd2eb4b518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  186.473320][ T2212] RAX: ffffffffffffffda RBX: 00007ffd2eb4bc50 RCX: 00007fabc140f1e7
[  186.473828][ T2212] RDX: 0000000000000000 RSI: 00007ffd2eb4b580 RDI: 0000000000000005
[  186.474299][ T2212] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  186.474767][ T2212] R10: 00000000282b4910 R11: 0000000000000246 R12: 0000000000000003
[  186.475240][ T2212] R13: 00000000686e526f R14: 0000000000499600 R15: 0000000000000000
| [  190.809024][   T12] ------------[ cut here ]------------
| [ 190.809381][ T12] WARNING: CPU: 2 PID: 12 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) 
| [  190.809949][   T12] Modules linked in: vxlan
| [  190.812898][   T12] Tainted: [W]=WARN
[  190.813427][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  190.814121][   T12] Workqueue: netns cleanup_net
[ 190.814732][ T12] 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) 
[ 190.815225][ T12] 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
[  190.816439][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[  190.816860][   T12] RAX: 0000000000000000 RBX: ffff88800a4e2000 RCX: 0000000000000001
[  190.817339][   T12] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  190.817849][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  190.818326][   T12] R10: ffffc900000c7480 R11: ffffffff8bf8d1e0 R12: 1ffff92000018e70
[  190.818816][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff88800a4e2f48
[  190.819301][   T12] FS:  0000000000000000(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[  190.819878][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  190.820292][   T12] CR2: 00007ff967bdc000 CR3: 0000000042b4a001 CR4: 0000000000772ef0
[  190.820775][   T12] PKRU: 55555554
[  190.821031][   T12] Call Trace:
[  190.821276][   T12]  <TASK>
[ 190.821448][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 190.821801][ T12] ? __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) 
[ 190.822208][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 190.822458][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 190.822780][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 190.823121][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 190.823447][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 190.823861][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 190.824261][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 190.824596][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 190.824925][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 190.825248][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 190.825569][ T12] ? kthread (kernel/kthread.c:464) 
[ 190.825827][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 190.826155][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 190.826509][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 190.826843][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 190.827183][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 190.827431][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 190.827758][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 190.828018][ T12] br_device_event (net/bridge/br.c:141) 
[ 190.828344][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 190.828683][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 190.829024][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 190.829439][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 190.829869][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 190.830277][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 190.830617][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 190.831042][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 190.831471][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 190.831810][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 190.832218][ T12] ? 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) 
[ 190.832548][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 190.832958][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 190.833354][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 190.833760][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 190.834182][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 190.834507][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 190.834928][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 190.835256][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 190.835577][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 190.835920][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 190.836257][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 190.836582][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 190.836925][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 190.837268][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 190.837600][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 190.837939][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 190.838280][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 190.838609][ T12] kthread (kernel/kthread.c:464) 
[ 190.838871][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 190.839202][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 190.839527][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 190.839866][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 190.840191][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 190.840515][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 190.840848][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 190.841175][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  190.864991][   T12] ------------[ cut here ]------------
| [ 190.865335][ T12] WARNING: CPU: 1 PID: 12 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) 
| [  190.865877][   T12] Modules linked in: vxlan
| [  190.866901][   T12] Tainted: [W]=WARN
[  190.867135][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  190.867533][   T12] Workqueue: netns cleanup_net
[ 190.867862][ T12] 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) 
[ 190.868178][ T12] 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
[  190.869288][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[  190.869730][   T12] RAX: 0000000000000000 RBX: ffff888012a7a000 RCX: 0000000000000001
[  190.870199][   T12] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  190.870654][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  190.871119][   T12] R10: ffffc900000c7480 R11: ffffffff8bf8d1e0 R12: 1ffff92000018e70
[  190.871573][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff888012a7af48
[  190.872047][   T12] FS:  0000000000000000(0000) GS:ffff8880df419000(0000) knlGS:0000000000000000
[  190.872581][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  190.873173][   T12] CR2: 00007fff73864938 CR3: 0000000004f37002 CR4: 0000000000772ef0
[  190.873634][   T12] PKRU: 55555554
[  190.874157][   T12] Call Trace:
[  190.874399][   T12]  <TASK>
[ 190.874555][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 190.875002][ T12] ? __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) 
[ 190.875380][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 190.875612][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 190.876094][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 190.876397][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 190.876710][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 190.877237][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 190.877612][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 190.877921][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 190.878223][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 190.878529][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 190.878840][ T12] ? kthread (kernel/kthread.c:464) 
[ 190.879076][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 190.879389][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 190.879706][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 190.880020][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 190.880342][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 190.880572][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 190.880888][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 190.881122][ T12] br_device_event (net/bridge/br.c:141) 
[ 190.881435][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 190.881747][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 190.882070][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 190.882456][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 190.882860][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 190.883246][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 190.883567][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 190.883975][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 190.884374][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 190.884683][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 190.885074][ T12] ? 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) 
[ 190.885381][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 190.885755][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 190.886146][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 190.886525][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 190.886934][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 190.887253][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 190.887662][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 190.887995][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 190.888311][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 190.888624][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 190.888957][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 190.889292][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 190.889620][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 190.889962][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 190.890291][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 190.890619][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 190.890962][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 190.891281][ T12] kthread (kernel/kthread.c:464) 
[ 190.891526][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 190.891852][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 190.892173][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 190.892482][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 190.892817][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 190.893142][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 190.893471][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 190.893805][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  213.624264][ T2464] ------------[ cut here ]------------
| [ 213.624561][ T2464] WARNING: CPU: 3 PID: 2464 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) 
| [  213.625153][ T2464] Modules linked in: vxlan
| [  213.626085][ T2464] Tainted: [W]=WARN
[  213.626323][ T2464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 213.626691][ T2464] 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) 
[ 213.627013][ T2464] 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
[  213.628099][ T2464] RSP: 0018:ffffc900052a6ef0 EFLAGS: 00010246
[  213.628486][ T2464] RAX: 0000000000000000 RBX: ffff888012e82000 RCX: 0000000000000001
[  213.628940][ T2464] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  213.629403][ T2464] RBP: ffffc900052a6fd8 R08: 0000000000000000 R09: 0000000000000000
[  213.629854][ T2464] R10: ffffc900052a7008 R11: ffffffff8bf8d1e0 R12: 1ffff92000a54de2
[  213.630314][ T2464] R13: 00000000000005dc R14: ffffc900052a7008 R15: ffff888012e82f48
[  213.630758][ T2464] FS:  00007f8a54b9e800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[  213.631290][ T2464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  213.631667][ T2464] CR2: 00000000004e6890 CR3: 000000000c803004 CR4: 0000000000772ef0
[  213.632120][ T2464] PKRU: 55555554
[  213.632355][ T2464] Call Trace:
[  213.632578][ T2464]  <TASK>
[ 213.632732][ T2464] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 213.633043][ T2464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 213.633375][ T2464] netif_set_mtu (net/core/dev.c:9652) 
[ 213.633673][ T2464] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 213.633996][ T2464] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 213.634236][ T2464] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 213.634548][ T2464] br_add_if (net/bridge/br_if.c:697) 
[ 213.634785][ T2464] do_set_master (net/core/rtnetlink.c:2948) 
[ 213.635095][ T2464] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 213.635409][ T2464] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 213.635715][ T2464] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 213.636097][ T2464] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 213.636403][ T2464] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 213.636699][ T2464] ? __kernel_text_address (kernel/extable.c:79) 
[ 213.637005][ T2464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 213.637314][ T2464] ? __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) 
[ 213.637619][ T2464] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 213.637995][ T2464] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 213.638306][ T2464] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 213.638599][ T2464] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 213.638903][ T2464] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 213.639214][ T2464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 213.639512][ T2464] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 213.639817][ T2464] ? __create_object (mm/kmemleak.c:771) 
[ 213.640122][ T2464] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 213.640429][ T2464] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 213.640730][ T2464] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 213.641106][ T2464] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 213.641426][ T2464] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 213.641727][ T2464] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 213.642030][ T2464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 213.642341][ T2464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 213.642644][ T2464] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 213.642948][ T2464] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 213.643261][ T2464] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 213.643556][ T2464] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 213.643861][ T2464] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 213.644160][ T2464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 213.644475][ T2464] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 213.644778][ T2464] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 213.645084][ T2464] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 213.645400][ T2464] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 213.645692][ T2464] ? 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) 
[ 213.645997][ T2464] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 213.646308][ T2464] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 213.646601][ T2464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 213.646920][ T2464] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 213.647231][ T2464] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 213.647530][ T2464] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 213.647838][ T2464] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 213.648142][ T2464] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 213.648447][ T2464] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 213.648836][ T2464] ___sys_sendmsg (net/socket.c:2670) 
[ 213.649134][ T2464] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 213.649448][ T2464] ? __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) 
[ 213.649830][ T2464] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 213.650130][ T2464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 213.650441][ T2464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 213.650742][ T2464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 213.651045][ T2464] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 213.651356][ T2464] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 213.651657][ T2464] __sys_sendmsg (net/socket.c:2700) 
[ 213.651958][ T2464] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 213.652337][ T2464] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 213.652643][ T2464] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 213.652947][ T2464] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 213.653255][ T2464] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  213.653622][ T2464] RIP: 0033:0x7f8a54d6b1e7
[ 213.653945][ T2464] 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)
[  213.655022][ T2464] RSP: 002b:00007ffc26aa5908 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  213.655480][ T2464] RAX: ffffffffffffffda RBX: 00007ffc26aa6040 RCX: 00007f8a54d6b1e7
[  213.655936][ T2464] RDX: 0000000000000000 RSI: 00007ffc26aa5970 RDI: 0000000000000005
[  213.656389][ T2464] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  213.656838][ T2464] R10: 000000002a40e910 R11: 0000000000000246 R12: 0000000000000003
[  213.657294][ T2464] R13: 00000000686e528a R14: 0000000000499600 R15: 0000000000000000
| [  215.187640][ T2490] ------------[ cut here ]------------
| [ 215.188039][ T2490] WARNING: CPU: 3 PID: 2490 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) 
| [  215.188625][ T2490] Modules linked in: vxlan
| [  215.189556][ T2490] Tainted: [W]=WARN
[  215.189782][ T2490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 215.190168][ T2490] 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) 
[ 215.190472][ T2490] 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
[  215.191532][ T2490] RSP: 0018:ffffc90005336ef0 EFLAGS: 00010246
[  215.191915][ T2490] RAX: 0000000000000000 RBX: ffff888012e82000 RCX: 0000000000000001
[  215.192364][ T2490] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  215.192818][ T2490] RBP: ffffc90005336fd8 R08: 0000000000000000 R09: 0000000000000000
[  215.193261][ T2490] R10: ffffc90005337008 R11: ffffffff8c8ceab8 R12: 1ffff92000a66de2
[  215.193701][ T2490] R13: 00000000000005aa R14: ffffc90005337008 R15: ffff888012e82f48
[  215.194154][ T2490] FS:  00007fd72717b800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[  215.194668][ T2490] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  215.195042][ T2490] CR2: 00000000004e6890 CR3: 000000001233e001 CR4: 0000000000772ef0
[  215.195486][ T2490] PKRU: 55555554
[  215.195705][ T2490] Call Trace:
[  215.195940][ T2490]  <TASK>
[ 215.196095][ T2490] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 215.196402][ T2490] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 215.196700][ T2490] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 215.197074][ T2490] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 215.197371][ T2490] netif_set_mtu (net/core/dev.c:9652) 
[ 215.197667][ T2490] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 215.197977][ T2490] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 215.198352][ T2490] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 215.198577][ T2490] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 215.198882][ T2490] br_add_if (net/bridge/br_if.c:697) 
[ 215.199115][ T2490] do_set_master (net/core/rtnetlink.c:2948) 
[ 215.199417][ T2490] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 215.199715][ T2490] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 215.200027][ T2490] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 215.200406][ T2490] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 215.200702][ T2490] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 215.201004][ T2490] ? __kernel_text_address (kernel/extable.c:79) 
[ 215.201300][ T2490] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.201600][ T2490] ? __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) 
[ 215.201906][ T2490] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 215.202274][ T2490] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 215.202575][ T2490] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 215.202876][ T2490] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 215.203168][ T2490] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 215.203463][ T2490] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 215.203760][ T2490] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 215.204062][ T2490] ? __create_object (mm/kmemleak.c:771) 
[ 215.204357][ T2490] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 215.204649][ T2490] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 215.204961][ T2490] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 215.205325][ T2490] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 215.205624][ T2490] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 215.205934][ T2490] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 215.206227][ T2490] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.206531][ T2490] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 215.206855][ T2490] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 215.207154][ T2490] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 215.207450][ T2490] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 215.207742][ T2490] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 215.208049][ T2490] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 215.208348][ T2490] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.208650][ T2490] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 215.208960][ T2490] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 215.209268][ T2490] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 215.209578][ T2490] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 215.209880][ T2490] ? 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) 
[ 215.210176][ T2490] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 215.210473][ T2490] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 215.210765][ T2490] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.211076][ T2490] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 215.211373][ T2490] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 215.211670][ T2490] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 215.211983][ T2490] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 215.212282][ T2490] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 215.212575][ T2490] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 215.212962][ T2490] ___sys_sendmsg (net/socket.c:2670) 
[ 215.213255][ T2490] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 215.213549][ T2490] ? __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) 
[ 215.213931][ T2490] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 215.214230][ T2490] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 215.214526][ T2490] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.214831][ T2490] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 215.215126][ T2490] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 215.215419][ T2490] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 215.215720][ T2490] __sys_sendmsg (net/socket.c:2700) 
[ 215.216026][ T2490] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 215.216391][ T2490] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 215.216696][ T2490] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 215.217004][ T2490] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 215.217306][ T2490] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  215.217667][ T2490] RIP: 0033:0x7fd7273481e7
[ 215.217977][ T2490] 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)
[  215.219040][ T2490] RSP: 002b:00007ffe48d092d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  215.219491][ T2490] RAX: ffffffffffffffda RBX: 00007ffe48d09a10 RCX: 00007fd7273481e7
[  215.219939][ T2490] RDX: 0000000000000000 RSI: 00007ffe48d09340 RDI: 0000000000000005
[  215.220388][ T2490] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  215.220837][ T2490] R10: 00000000113b0910 R11: 0000000000000246 R12: 0000000000000003
[  215.221279][ T2490] R13: 00000000686e528b R14: 0000000000499600 R15: 0000000000000000
| [  218.827628][ T2540] ------------[ cut here ]------------
| [ 218.827947][ T2540] WARNING: CPU: 1 PID: 2540 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) 
| [  218.828544][ T2540] Modules linked in: vxlan
| [  218.829477][ T2540] Tainted: [W]=WARN
[  218.829705][ T2540] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 218.830087][ T2540] 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) 
[ 218.830394][ T2540] 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
[  218.831470][ T2540] RSP: 0018:ffffc900054a6ef0 EFLAGS: 00010246
[  218.831856][ T2540] RAX: 0000000000000000 RBX: ffff88800e1aa000 RCX: 0000000000000001
[  218.832303][ T2540] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  218.832757][ T2540] RBP: ffffc900054a6fd8 R08: 0000000000000000 R09: 0000000000000000
[  218.833221][ T2540] R10: ffffc900054a7008 R11: ffffffff8bf8d1e0 R12: 1ffff92000a94de2
[  218.833669][ T2540] R13: 00000000000005dc R14: ffffc900054a7008 R15: ffff88800e1aaf48
[  218.834386][ T2540] FS:  00007f4a82759800(0000) GS:ffff8880df419000(0000) knlGS:0000000000000000
[  218.835122][ T2540] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  218.835502][ T2540] CR2: 00000000004e6898 CR3: 000000001352e001 CR4: 0000000000772ef0
[  218.836123][ T2540] PKRU: 55555554
[  218.836345][ T2540] Call Trace:
[  218.836572][ T2540]  <TASK>
[ 218.836734][ T2540] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 218.837135][ T2540] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.837452][ T2540] netif_set_mtu (net/core/dev.c:9652) 
[ 218.837753][ T2540] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 218.838077][ T2540] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 218.838310][ T2540] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 218.838614][ T2540] br_add_if (net/bridge/br_if.c:697) 
[ 218.838859][ T2540] do_set_master (net/core/rtnetlink.c:2948) 
[ 218.839166][ T2540] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 218.839480][ T2540] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 218.839783][ T2540] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 218.840171][ T2540] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 218.840475][ T2540] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 218.840783][ T2540] ? __kernel_text_address (kernel/extable.c:79) 
[ 218.841120][ T2540] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.841436][ T2540] ? __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) 
[ 218.841739][ T2540] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 218.842120][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 218.842420][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 218.842718][ T2540] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 218.843024][ T2540] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 218.843327][ T2540] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 218.843632][ T2540] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 218.843938][ T2540] ? __create_object (mm/kmemleak.c:771) 
[ 218.844238][ T2540] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 218.844540][ T2540] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 218.844862][ T2540] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 218.845232][ T2540] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 218.845536][ T2540] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 218.845853][ T2540] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 218.846150][ T2540] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.846453][ T2540] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 218.846750][ T2540] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 218.847058][ T2540] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 218.847358][ T2540] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 218.847658][ T2540] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 218.847964][ T2540] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 218.848274][ T2540] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.848586][ T2540] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 218.848912][ T2540] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 218.849220][ T2540] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 218.849531][ T2540] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 218.849837][ T2540] ? 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) 
[ 218.850138][ T2540] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 218.850444][ T2540] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 218.850740][ T2540] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.851053][ T2540] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 218.851355][ T2540] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 218.851653][ T2540] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 218.851968][ T2540] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 218.852270][ T2540] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 218.852593][ T2540] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 218.852999][ T2540] ___sys_sendmsg (net/socket.c:2670) 
[ 218.853298][ T2540] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 218.853593][ T2540] ? __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) 
[ 218.853974][ T2540] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 218.854277][ T2540] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 218.854577][ T2540] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.854904][ T2540] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 218.855205][ T2540] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 218.855501][ T2540] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 218.855819][ T2540] __sys_sendmsg (net/socket.c:2700) 
[ 218.856118][ T2540] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 218.856486][ T2540] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 218.856822][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 218.857130][ T2540] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 218.857439][ T2540] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  218.857818][ T2540] RIP: 0033:0x7f4a829261e7
[ 218.858127][ T2540] 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)
[  218.859209][ T2540] RSP: 002b:00007ffd0870e698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  218.859671][ T2540] RAX: ffffffffffffffda RBX: 00007ffd0870edd0 RCX: 00007f4a829261e7
[  218.860127][ T2540] RDX: 0000000000000000 RSI: 00007ffd0870e700 RDI: 0000000000000005
[  218.860579][ T2540] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  218.861044][ T2540] R10: 000000003efaf910 R11: 0000000000000246 R12: 0000000000000003
[  218.861502][ T2540] R13: 00000000686e528f R14: 0000000000499600 R15: 0000000000000000
| [  220.480689][ T2566] ------------[ cut here ]------------
| [ 220.481991][ T2566] WARNING: CPU: 0 PID: 2566 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) 
| [  220.482622][ T2566] Modules linked in: vxlan
| [  220.483618][ T2566] Tainted: [W]=WARN
[  220.483876][ T2566] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 220.484266][ T2566] 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) 
[ 220.484596][ T2566] 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
[  220.485722][ T2566] RSP: 0018:ffffc90005566ef0 EFLAGS: 00010246
[  220.486137][ T2566] RAX: 0000000000000000 RBX: ffff88800e1aa000 RCX: 0000000000000001
[  220.486609][ T2566] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  220.487088][ T2566] RBP: ffffc90005566fd8 R08: 0000000000000000 R09: 0000000000000000
[  220.487556][ T2566] R10: ffffc90005567008 R11: ffffffff8c8ceab8 R12: 1ffff92000aacde2
[  220.488035][ T2566] R13: 0000000000000596 R14: ffffc90005567008 R15: ffff88800e1aaf48
[  220.488503][ T2566] FS:  00007f383dcdf800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[  220.489059][ T2566] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  220.489475][ T2566] CR2: 00000000004e6898 CR3: 000000000e570003 CR4: 0000000000772ef0
[  220.489940][ T2566] PKRU: 55555554
[  220.490174][ T2566] Call Trace:
[  220.490402][ T2566]  <TASK>
[ 220.490572][ T2566] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 220.490904][ T2566] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 220.491226][ T2566] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 220.491622][ T2566] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 220.491947][ T2566] netif_set_mtu (net/core/dev.c:9652) 
[ 220.492259][ T2566] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 220.492571][ T2566] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 220.492962][ T2566] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 220.493202][ T2566] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 220.493536][ T2566] br_add_if (net/bridge/br_if.c:697) 
[ 220.493785][ T2566] do_set_master (net/core/rtnetlink.c:2948) 
[ 220.494117][ T2566] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 220.494429][ T2566] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 220.494745][ T2566] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 220.495145][ T2566] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 220.495449][ T2566] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 220.495754][ T2566] ? __kernel_text_address (kernel/extable.c:79) 
[ 220.496070][ T2566] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 220.496383][ T2566] ? __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) 
[ 220.496689][ T2566] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 220.497076][ T2566] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 220.497382][ T2566] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 220.497700][ T2566] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 220.498036][ T2566] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 220.498349][ T2566] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 220.498678][ T2566] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 220.499002][ T2566] ? __create_object (mm/kmemleak.c:771) 
[ 220.499357][ T2566] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 220.499680][ T2566] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 220.500012][ T2566] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 220.500389][ T2566] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 220.500715][ T2566] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 220.501036][ T2566] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 220.501338][ T2566] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 220.501664][ T2566] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 220.501991][ T2566] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 220.502303][ T2566] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 220.502640][ T2566] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 220.502980][ T2566] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 220.503300][ T2566] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 220.503615][ T2566] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 220.503939][ T2566] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 220.504243][ T2566] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 220.504544][ T2566] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 220.504920][ T2566] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 220.505225][ T2566] ? 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) 
[ 220.505535][ T2566] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 220.505852][ T2566] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 220.506186][ T2566] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 220.506513][ T2566] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 220.506842][ T2566] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 220.507176][ T2566] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 220.507505][ T2566] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 220.507858][ T2566] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 220.508188][ T2566] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 220.508588][ T2566] ___sys_sendmsg (net/socket.c:2670) 
[ 220.508920][ T2566] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 220.509231][ T2566] ? __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) 
[ 220.509638][ T2566] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 220.509959][ T2566] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 220.510272][ T2566] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 220.510597][ T2566] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 220.510919][ T2566] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 220.511244][ T2566] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 220.511554][ T2566] __sys_sendmsg (net/socket.c:2700) 
[ 220.511869][ T2566] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 220.512250][ T2566] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 220.512571][ T2566] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 220.512888][ T2566] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 220.513193][ T2566] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  220.513590][ T2566] RIP: 0033:0x7f383deac1e7
[ 220.513911][ T2566] 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)
[  220.515001][ T2566] RSP: 002b:00007ffe41a383c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  220.515457][ T2566] RAX: ffffffffffffffda RBX: 00007ffe41a38b00 RCX: 00007f383deac1e7
[  220.515920][ T2566] RDX: 0000000000000000 RSI: 00007ffe41a38430 RDI: 0000000000000005
[  220.516371][ T2566] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  220.516839][ T2566] R10: 0000000030c03910 R11: 0000000000000246 R12: 0000000000000003
[  220.517294][ T2566] R13: 00000000686e5291 R14: 0000000000499600 R15: 0000000000000000
| [  224.339698][ T2616] ------------[ cut here ]------------
| [ 224.340259][ T2616] WARNING: CPU: 2 PID: 2616 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) 
| [  224.340873][ T2616] Modules linked in: vxlan
| [  224.341814][ T2616] Tainted: [W]=WARN
[  224.342052][ T2616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 224.342442][ T2616] 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) 
[ 224.342763][ T2616] 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
[  224.343848][ T2616] RSP: 0018:ffffc900055f6ef0 EFLAGS: 00010246
[  224.344243][ T2616] RAX: 0000000000000000 RBX: ffff88800f11a000 RCX: 0000000000000001
[  224.344698][ T2616] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  224.345175][ T2616] RBP: ffffc900055f6fd8 R08: 0000000000000000 R09: 0000000000000000
[  224.345634][ T2616] R10: ffffc900055f7008 R11: ffffffff8bf8d1e0 R12: 1ffff92000abede2
[  224.346100][ T2616] R13: 00000000000005dc R14: ffffc900055f7008 R15: ffff88800f11af48
[  224.346566][ T2616] FS:  00007f387a6bb800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[  224.347105][ T2616] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  224.347490][ T2616] CR2: 00000000004e68a0 CR3: 0000000002ae8005 CR4: 0000000000772ef0
[  224.347960][ T2616] PKRU: 55555554
[  224.348194][ T2616] Call Trace:
[  224.348429][ T2616]  <TASK>
[ 224.348594][ T2616] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 224.348911][ T2616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 224.349235][ T2616] netif_set_mtu (net/core/dev.c:9652) 
[ 224.349545][ T2616] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 224.349896][ T2616] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 224.350138][ T2616] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 224.350449][ T2616] br_add_if (net/bridge/br_if.c:697) 
[ 224.350695][ T2616] do_set_master (net/core/rtnetlink.c:2948) 
[ 224.351017][ T2616] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 224.351331][ T2616] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 224.351649][ T2616] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 224.352046][ T2616] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 224.352357][ T2616] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 224.352664][ T2616] ? __kernel_text_address (kernel/extable.c:79) 
[ 224.352993][ T2616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 224.353304][ T2616] ? __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) 
[ 224.353623][ T2616] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 224.354024][ T2616] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 224.354336][ T2616] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 224.354640][ T2616] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 224.354961][ T2616] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 224.355271][ T2616] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 224.355583][ T2616] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 224.355897][ T2616] ? __create_object (mm/kmemleak.c:771) 
[ 224.356211][ T2616] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 224.356524][ T2616] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 224.356849][ T2616] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 224.357229][ T2616] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 224.357550][ T2616] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 224.357880][ T2616] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 224.358190][ T2616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 224.358520][ T2616] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 224.358846][ T2616] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 224.359150][ T2616] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 224.359468][ T2616] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 224.359772][ T2616] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 224.360092][ T2616] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 224.360407][ T2616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 224.360720][ T2616] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 224.361042][ T2616] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 224.361367][ T2616] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 224.361684][ T2616] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 224.362005][ T2616] ? 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) 
[ 224.362313][ T2616] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 224.362623][ T2616] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 224.362938][ T2616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 224.363252][ T2616] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 224.363566][ T2616] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 224.363884][ T2616] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 224.364196][ T2616] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 224.364510][ T2616] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 224.364825][ T2616] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 224.365223][ T2616] ___sys_sendmsg (net/socket.c:2670) 
[ 224.365529][ T2616] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 224.365852][ T2616] ? __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) 
[ 224.366233][ T2616] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 224.366543][ T2616] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 224.366867][ T2616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 224.367183][ T2616] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 224.367490][ T2616] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 224.367806][ T2616] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 224.368125][ T2616] __sys_sendmsg (net/socket.c:2700) 
[ 224.368431][ T2616] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 224.368818][ T2616] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 224.369146][ T2616] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 224.369464][ T2616] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 224.369773][ T2616] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  224.370162][ T2616] RIP: 0033:0x7f387a8881e7
[ 224.370486][ T2616] 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)
[  224.371553][ T2616] RSP: 002b:00007ffc399de978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  224.372016][ T2616] RAX: ffffffffffffffda RBX: 00007ffc399df0b0 RCX: 00007f387a8881e7
[  224.372470][ T2616] RDX: 0000000000000000 RSI: 00007ffc399de9e0 RDI: 0000000000000005
[  224.372939][ T2616] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  224.373399][ T2616] R10: 000000000ddeb910 R11: 0000000000000246 R12: 0000000000000003
[  224.373868][ T2616] R13: 00000000686e5294 R14: 0000000000499600 R15: 0000000000000000
| [  225.885694][ T2642] ------------[ cut here ]------------
| [ 225.887153][ T2642] WARNING: CPU: 0 PID: 2642 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) 
| [  225.887772][ T2642] Modules linked in: vxlan
| [  225.888740][ T2642] Tainted: [W]=WARN
[  225.888993][ T2642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 225.889392][ T2642] 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) 
[ 225.889713][ T2642] 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
[  225.890832][ T2642] RSP: 0018:ffffc900057b6ef0 EFLAGS: 00010246
[  225.891233][ T2642] RAX: 0000000000000000 RBX: ffff88800f11a000 RCX: 0000000000000001
[  225.891700][ T2642] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  225.892177][ T2642] RBP: ffffc900057b6fd8 R08: 0000000000000000 R09: 0000000000000000
[  225.892646][ T2642] R10: ffffc900057b7008 R11: ffffffff8bf8d1e0 R12: 1ffff92000af6de2
[  225.893132][ T2642] R13: 00000000000005aa R14: ffffc900057b7008 R15: ffff88800f11af48
[  225.893599][ T2642] FS:  00007f8a3f5e9800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[  225.894155][ T2642] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  225.894551][ T2642] CR2: 00000000004e68a0 CR3: 000000001388e006 CR4: 0000000000772ef0
[  225.895037][ T2642] PKRU: 55555554
[  225.895276][ T2642] Call Trace:
[  225.895510][ T2642]  <TASK>
[ 225.895674][ T2642] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 225.895994][ T2642] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 225.896321][ T2642] netif_set_mtu (net/core/dev.c:9652) 
[ 225.896631][ T2642] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 225.896968][ T2642] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 225.897209][ T2642] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 225.897535][ T2642] br_add_if (net/bridge/br_if.c:697) 
[ 225.897779][ T2642] do_set_master (net/core/rtnetlink.c:2948) 
[ 225.898106][ T2642] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 225.898423][ T2642] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 225.898741][ T2642] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 225.899146][ T2642] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 225.899464][ T2642] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 225.899777][ T2642] ? __kernel_text_address (kernel/extable.c:79) 
[ 225.900101][ T2642] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 225.900420][ T2642] ? __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) 
[ 225.900732][ T2642] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 225.901146][ T2642] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 225.901460][ T2642] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 225.901766][ T2642] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 225.902093][ T2642] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 225.902407][ T2642] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 225.902719][ T2642] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 225.903036][ T2642] ? __create_object (mm/kmemleak.c:771) 
[ 225.903351][ T2642] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 225.903663][ T2642] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 225.903982][ T2642] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 225.904372][ T2642] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 225.904695][ T2642] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 225.905022][ T2642] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 225.905333][ T2642] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 225.905652][ T2642] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 225.905975][ T2642] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 225.906287][ T2642] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 225.906601][ T2642] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 225.906921][ T2642] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 225.907241][ T2642] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 225.907556][ T2642] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 225.907886][ T2642] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 225.908199][ T2642] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 225.908511][ T2642] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 225.908842][ T2642] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 225.909153][ T2642] ? 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) 
[ 225.909478][ T2642] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 225.909805][ T2642] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 225.910117][ T2642] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 225.910432][ T2642] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 225.910745][ T2642] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 225.911067][ T2642] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 225.911384][ T2642] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 225.911705][ T2642] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 225.912024][ T2642] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 225.912423][ T2642] ___sys_sendmsg (net/socket.c:2670) 
[ 225.912731][ T2642] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 225.913051][ T2642] ? __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) 
[ 225.913442][ T2642] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 225.913755][ T2642] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 225.914085][ T2642] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 225.914404][ T2642] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 225.914718][ T2642] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 225.915040][ T2642] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 225.915361][ T2642] __sys_sendmsg (net/socket.c:2700) 
[ 225.915673][ T2642] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 225.916071][ T2642] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 225.916404][ T2642] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 225.916719][ T2642] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 225.917047][ T2642] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  225.917437][ T2642] RIP: 0033:0x7f8a3f7b61e7
[ 225.917765][ T2642] 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)
[  225.918892][ T2642] RSP: 002b:00007ffd08178e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  225.919369][ T2642] RAX: ffffffffffffffda RBX: 00007ffd081795c0 RCX: 00007f8a3f7b61e7
[  225.919848][ T2642] RDX: 0000000000000000 RSI: 00007ffd08178ef0 RDI: 0000000000000005
[  225.920314][ T2642] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  225.920798][ T2642] R10: 0000000016621910 R11: 0000000000000246 R12: 0000000000000003
[  225.921268][ T2642] R13: 00000000686e5296 R14: 0000000000499600 R15: 0000000000000000
| [  227.727609][ T2668] ------------[ cut here ]------------
| [ 227.727958][ T2668] WARNING: CPU: 2 PID: 2668 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) 
| [  227.728555][ T2668] Modules linked in: vxlan
| [  227.729507][ T2668] Tainted: [W]=WARN
[  227.729745][ T2668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 227.730140][ T2668] 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) 
[ 227.730460][ T2668] 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
[  227.731540][ T2668] RSP: 0018:ffffc900056d6ef0 EFLAGS: 00010246
[  227.731940][ T2668] RAX: 0000000000000000 RBX: ffff88800f11a000 RCX: 0000000000000001
[  227.732397][ T2668] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  227.732870][ T2668] RBP: ffffc900056d6fd8 R08: 0000000000000000 R09: 0000000000000000
[  227.733330][ T2668] R10: ffffc900056d7008 R11: ffffffff8bf8d1e0 R12: 1ffff92000adade2
[  227.733800][ T2668] R13: 0000000000000596 R14: ffffc900056d7008 R15: ffff88800f11af48
[  227.734258][ T2668] FS:  00007f10eb95a800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[  227.734802][ T2668] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  227.735187][ T2668] CR2: 00000000004e68a0 CR3: 0000000012c51001 CR4: 0000000000772ef0
[  227.735642][ T2668] PKRU: 55555554
[  227.735889][ T2668] Call Trace:
[  227.736122][ T2668]  <TASK>
[ 227.736291][ T2668] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 227.736598][ T2668] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 227.736932][ T2668] netif_set_mtu (net/core/dev.c:9652) 
[ 227.737239][ T2668] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 227.737560][ T2668] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 227.737808][ T2668] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 227.738121][ T2668] br_add_if (net/bridge/br_if.c:697) 
[ 227.738369][ T2668] do_set_master (net/core/rtnetlink.c:2948) 
[ 227.738678][ T2668] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 227.739005][ T2668] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 227.739329][ T2668] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 227.739718][ T2668] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 227.740037][ T2668] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 227.740347][ T2668] ? __kernel_text_address (kernel/extable.c:79) 
[ 227.740660][ T2668] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 227.740983][ T2668] ? __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) 
[ 227.741295][ T2668] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 227.741673][ T2668] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 227.742002][ T2668] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 227.742311][ T2668] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 227.742619][ T2668] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 227.742942][ T2668] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 227.743253][ T2668] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 227.743561][ T2668] ? __create_object (mm/kmemleak.c:771) 
[ 227.743883][ T2668] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 227.744194][ T2668] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 227.744507][ T2668] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 227.744899][ T2668] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 227.745213][ T2668] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 227.745526][ T2668] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 227.745845][ T2668] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 227.746161][ T2668] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 227.746468][ T2668] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 227.746775][ T2668] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 227.747096][ T2668] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 227.747409][ T2668] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 227.747721][ T2668] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 227.748041][ T2668] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 227.748353][ T2668] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 227.748660][ T2668] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 227.748979][ T2668] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 227.749303][ T2668] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 227.749613][ T2668] ? 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) 
[ 227.749930][ T2668] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 227.750242][ T2668] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 227.750545][ T2668] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 227.750867][ T2668] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 227.751177][ T2668] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 227.751485][ T2668] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 227.751813][ T2668] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 227.752125][ T2668] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 227.752430][ T2668] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 227.752832][ T2668] ___sys_sendmsg (net/socket.c:2670) 
[ 227.753136][ T2668] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 227.753442][ T2668] ? __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) 
[ 227.753832][ T2668] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 227.754147][ T2668] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 227.754455][ T2668] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 227.754766][ T2668] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 227.755083][ T2668] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 227.755401][ T2668] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 227.755714][ T2668] __sys_sendmsg (net/socket.c:2700) 
[ 227.756030][ T2668] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 227.756413][ T2668] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 227.756733][ T2668] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 227.757050][ T2668] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 227.757359][ T2668] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  227.757737][ T2668] RIP: 0033:0x7f10ebb271e7
[ 227.758062][ T2668] 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)
[  227.759134][ T2668] RSP: 002b:00007ffc46df5228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  227.759599][ T2668] RAX: ffffffffffffffda RBX: 00007ffc46df5960 RCX: 00007f10ebb271e7
[  227.760063][ T2668] RDX: 0000000000000000 RSI: 00007ffc46df5290 RDI: 0000000000000005
[  227.760526][ T2668] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  227.760993][ T2668] R10: 0000000008f2c910 R11: 0000000000000246 R12: 0000000000000003
[  227.761454][ T2668] R13: 00000000686e5298 R14: 0000000000499600 R15: 0000000000000000
| [  229.495215][ T2694] ------------[ cut here ]------------
| [ 229.495529][ T2694] WARNING: CPU: 2 PID: 2694 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) 
| [  229.496131][ T2694] Modules linked in: vxlan
| [  229.497053][ T2694] Tainted: [W]=WARN
[  229.497291][ T2694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.497673][ T2694] 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) 
[ 229.497995][ T2694] 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
[  229.499058][ T2694] RSP: 0018:ffffc900058b6ef0 EFLAGS: 00010246
[  229.499449][ T2694] RAX: 0000000000000000 RBX: ffff88800f11a000 RCX: 0000000000000001
[  229.499911][ T2694] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  229.500362][ T2694] RBP: ffffc900058b6fd8 R08: 0000000000000000 R09: 0000000000000000
[  229.500825][ T2694] R10: ffffc900058b7008 R11: ffffffff8c8ceab8 R12: 1ffff92000b16de2
[  229.501275][ T2694] R13: 0000000000000596 R14: ffffc900058b7008 R15: ffff88800f11af48
[  229.501734][ T2694] FS:  00007f0c6c655800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[  229.502269][ T2694] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  229.502653][ T2694] CR2: 00000000004e68a0 CR3: 0000000012c36006 CR4: 0000000000772ef0
[  229.503116][ T2694] PKRU: 55555554
[  229.503348][ T2694] Call Trace:
[  229.503586][ T2694]  <TASK>
[ 229.503751][ T2694] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 229.504070][ T2694] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 229.504380][ T2694] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 229.504758][ T2694] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 229.505078][ T2694] netif_set_mtu (net/core/dev.c:9652) 
[ 229.505383][ T2694] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 229.505702][ T2694] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 229.506096][ T2694] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 229.506335][ T2694] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 229.506645][ T2694] br_add_if (net/bridge/br_if.c:697) 
[ 229.506899][ T2694] do_set_master (net/core/rtnetlink.c:2948) 
[ 229.507201][ T2694] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 229.507510][ T2694] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 229.507828][ T2694] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 229.508218][ T2694] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 229.508522][ T2694] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 229.508841][ T2694] ? __kernel_text_address (kernel/extable.c:79) 
[ 229.509151][ T2694] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 229.509472][ T2694] ? __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) 
[ 229.509779][ T2694] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 229.510168][ T2694] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 229.510483][ T2694] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 229.510798][ T2694] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 229.511106][ T2694] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 229.511414][ T2694] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 229.511720][ T2694] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 229.512033][ T2694] ? __create_object (mm/kmemleak.c:771) 
[ 229.512340][ T2694] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 229.512646][ T2694] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 229.512966][ T2694] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 229.513343][ T2694] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 229.513656][ T2694] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 229.513976][ T2694] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 229.514285][ T2694] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 229.514596][ T2694] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 229.514925][ T2694] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 229.515234][ T2694] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 229.515545][ T2694] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 229.515857][ T2694] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 229.516165][ T2694] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 229.516474][ T2694] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 229.516787][ T2694] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 229.517101][ T2694] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 229.517412][ T2694] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 229.517733][ T2694] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 229.518046][ T2694] ? 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) 
[ 229.518352][ T2694] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 229.518662][ T2694] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 229.518975][ T2694] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 229.519293][ T2694] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 229.519603][ T2694] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 229.519923][ T2694] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 229.520236][ T2694] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 229.520547][ T2694] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 229.520862][ T2694] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 229.521252][ T2694] ___sys_sendmsg (net/socket.c:2670) 
[ 229.521557][ T2694] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 229.521872][ T2694] ? __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) 
[ 229.522253][ T2694] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 229.522565][ T2694] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 229.522886][ T2694] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 229.523198][ T2694] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 229.523506][ T2694] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 229.523822][ T2694] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 229.524136][ T2694] __sys_sendmsg (net/socket.c:2700) 
[ 229.524448][ T2694] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 229.524835][ T2694] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 229.525157][ T2694] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 229.525466][ T2694] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 229.525775][ T2694] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  229.526162][ T2694] RIP: 0033:0x7f0c6c8221e7
[ 229.526477][ T2694] 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)
[  229.527552][ T2694] RSP: 002b:00007fffe4426ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  229.528013][ T2694] RAX: ffffffffffffffda RBX: 00007fffe44273e0 RCX: 00007f0c6c8221e7
[  229.528466][ T2694] RDX: 0000000000000000 RSI: 00007fffe4426d10 RDI: 0000000000000005
[  229.528929][ T2694] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  229.529387][ T2694] R10: 000000002491e910 R11: 0000000000000246 R12: 0000000000000003
[  229.529848][ T2694] R13: 00000000686e529a R14: 0000000000499600 R15: 0000000000000000
| [  231.279475][ T2719] ------------[ cut here ]------------
| [ 231.279812][ T2719] WARNING: CPU: 0 PID: 2719 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) 
| [  231.280438][ T2719] Modules linked in: vxlan
| [  231.281419][ T2719] Tainted: [W]=WARN
[  231.281660][ T2719] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 231.282087][ T2719] 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) 
[ 231.282413][ T2719] 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
[  231.283534][ T2719] RSP: 0018:ffffc900059a6ef0 EFLAGS: 00010246
[  231.283971][ T2719] RAX: 0000000000000000 RBX: ffff88801349a000 RCX: 0000000000000001
[  231.284440][ T2719] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  231.284938][ T2719] RBP: ffffc900059a6fd8 R08: 0000000000000000 R09: 0000000000000000
[  231.285421][ T2719] R10: ffffc900059a7008 R11: ffffffff8bf8d1e0 R12: 1ffff92000b34de2
[  231.285904][ T2719] R13: 00000000000005dc R14: ffffc900059a7008 R15: ffff88801349af48
[  231.286379][ T2719] FS:  00007f12f4e28800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[  231.286940][ T2719] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  231.287350][ T2719] CR2: 00000000004e6890 CR3: 00000000126e1004 CR4: 0000000000772ef0
[  231.287854][ T2719] PKRU: 55555554
[  231.288107][ T2719] Call Trace:
[  231.288345][ T2719]  <TASK>
[ 231.288529][ T2719] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 231.288896][ T2719] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.289248][ T2719] netif_set_mtu (net/core/dev.c:9652) 
[ 231.289566][ T2719] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 231.289921][ T2719] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 231.290171][ T2719] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 231.290509][ T2719] br_add_if (net/bridge/br_if.c:697) 
[ 231.290758][ T2719] do_set_master (net/core/rtnetlink.c:2948) 
[ 231.291085][ T2719] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 231.291404][ T2719] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 231.291721][ T2719] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 231.292153][ T2719] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 231.292491][ T2719] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 231.292827][ T2719] ? __kernel_text_address (kernel/extable.c:79) 
[ 231.293166][ T2719] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.293503][ T2719] ? __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) 
[ 231.293852][ T2719] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 231.294274][ T2719] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 231.294605][ T2719] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 231.294931][ T2719] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 231.295255][ T2719] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 231.295581][ T2719] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 231.295916][ T2719] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 231.296250][ T2719] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 231.296586][ T2719] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 231.296938][ T2719] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 231.297275][ T2719] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 231.297611][ T2719] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 231.297968][ T2719] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.298300][ T2719] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 231.298640][ T2719] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 231.298982][ T2719] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 231.299327][ T2719] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 231.299667][ T2719] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 231.300001][ T2719] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 231.300336][ T2719] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.300669][ T2719] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 231.301009][ T2719] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 231.301333][ T2719] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 231.301673][ T2719] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 231.302015][ T2719] ? 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) 
[ 231.302339][ T2719] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 231.302661][ T2719] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 231.302981][ T2719] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.303303][ T2719] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 231.303620][ T2719] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 231.303955][ T2719] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 231.304294][ T2719] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 231.304626][ T2719] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 231.304949][ T2719] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 231.305361][ T2719] ___sys_sendmsg (net/socket.c:2670) 
[ 231.305672][ T2719] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 231.306001][ T2719] ? __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) 
[ 231.306410][ T2719] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 231.306735][ T2719] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 231.307073][ T2719] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.307415][ T2719] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 231.307735][ T2719] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 231.308079][ T2719] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 231.308412][ T2719] __sys_sendmsg (net/socket.c:2700) 
[ 231.308734][ T2719] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 231.309133][ T2719] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 231.309483][ T2719] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 231.309813][ T2719] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 231.310132][ T2719] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  231.310534][ T2719] RIP: 0033:0x7f12f4ff51e7
[ 231.310874][ T2719] 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)
[  231.312046][ T2719] RSP: 002b:00007ffed21a4df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  231.312538][ T2719] RAX: ffffffffffffffda RBX: 00007ffed21a5530 RCX: 00007f12f4ff51e7
[  231.313030][ T2719] RDX: 0000000000000000 RSI: 00007ffed21a4e60 RDI: 0000000000000005
[  231.313517][ T2719] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  231.314021][ T2719] R10: 0000000014a83910 R11: 0000000000000246 R12: 0000000000000003
[  231.314508][ T2719] R13: 00000000686e529b R14: 0000000000499600 R15: 0000000000000000
| [  232.828465][ T2745] ------------[ cut here ]------------
| [ 232.828774][ T2745] WARNING: CPU: 2 PID: 2745 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) 
| [  232.829399][ T2745] Modules linked in: vxlan
| [  232.830353][ T2745] Tainted: [W]=WARN
[  232.830604][ T2745] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 232.830995][ T2745] 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) 
[ 232.831317][ T2745] 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
[  232.832389][ T2745] RSP: 0018:ffffc90005a86ef0 EFLAGS: 00010246
[  232.832778][ T2745] RAX: 0000000000000000 RBX: ffff88801349a000 RCX: 0000000000000001
[  232.833239][ T2745] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  232.833695][ T2745] RBP: ffffc90005a86fd8 R08: 0000000000000000 R09: 0000000000000000
[  232.834154][ T2745] R10: ffffc90005a87008 R11: ffffffff8c8ceab8 R12: 1ffff92000b50de2
[  232.834612][ T2745] R13: 00000000000005aa R14: ffffc90005a87008 R15: ffff88801349af48
[  232.835245][ T2745] FS:  00007f5c70b18800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[  232.835954][ T2745] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  232.836531][ T2745] CR2: 00000000004e6890 CR3: 00000000134c1002 CR4: 0000000000772ef0
[  232.837153][ T2745] PKRU: 55555554
[  232.837483][ T2745] Call Trace:
[  232.837716][ T2745]  <TASK>
[ 232.837892][ T2745] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 232.838203][ T2745] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 232.838514][ T2745] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 232.838902][ T2745] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 232.839227][ T2745] netif_set_mtu (net/core/dev.c:9652) 
[ 232.839534][ T2745] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 232.839868][ T2745] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 232.840253][ T2745] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 232.840491][ T2745] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 232.840807][ T2745] br_add_if (net/bridge/br_if.c:697) 
[ 232.841054][ T2745] do_set_master (net/core/rtnetlink.c:2948) 
[ 232.841357][ T2745] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 232.841670][ T2745] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 232.841993][ T2745] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 232.842381][ T2745] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 232.842686][ T2745] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 232.843008][ T2745] ? __kernel_text_address (kernel/extable.c:79) 
[ 232.843318][ T2745] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 232.843629][ T2745] ? __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) 
[ 232.843946][ T2745] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 232.844329][ T2745] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 232.844637][ T2745] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 232.844952][ T2745] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 232.845259][ T2745] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 232.845569][ T2745] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 232.845901][ T2745] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 232.846207][ T2745] ? __create_object (mm/kmemleak.c:771) 
[ 232.846513][ T2745] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 232.846837][ T2745] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 232.847156][ T2745] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 232.847531][ T2745] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 232.847850][ T2745] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 232.848163][ T2745] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 232.848469][ T2745] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 232.848780][ T2745] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 232.849101][ T2745] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 232.849414][ T2745] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 232.849722][ T2745] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 232.850037][ T2745] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 232.850347][ T2745] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 232.850656][ T2745] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 232.850979][ T2745] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 232.851290][ T2745] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 232.851602][ T2745] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 232.851929][ T2745] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 232.852236][ T2745] ? 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) 
[ 232.852542][ T2745] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 232.852861][ T2745] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 232.853165][ T2745] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 232.853480][ T2745] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 232.853801][ T2745] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 232.854109][ T2745] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 232.854421][ T2745] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 232.854732][ T2745] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 232.855046][ T2745] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 232.855444][ T2745] ___sys_sendmsg (net/socket.c:2670) 
[ 232.855747][ T2745] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 232.856065][ T2745] ? __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) 
[ 232.856445][ T2745] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 232.856756][ T2745] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 232.857074][ T2745] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 232.857389][ T2745] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 232.857695][ T2745] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 232.858010][ T2745] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 232.858330][ T2745] __sys_sendmsg (net/socket.c:2700) 
[ 232.858637][ T2745] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 232.859026][ T2745] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 232.859356][ T2745] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 232.859663][ T2745] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 232.859982][ T2745] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  232.860357][ T2745] RIP: 0033:0x7f5c70ce51e7
[ 232.860680][ T2745] 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)
[  232.861749][ T2745] RSP: 002b:00007ffe6961a678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  232.862214][ T2745] RAX: ffffffffffffffda RBX: 00007ffe6961adb0 RCX: 00007f5c70ce51e7
[  232.862673][ T2745] RDX: 0000000000000000 RSI: 00007ffe6961a6e0 RDI: 0000000000000005
[  232.863146][ T2745] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  232.863604][ T2745] R10: 0000000000edf910 R11: 0000000000000246 R12: 0000000000000003
[  232.864067][ T2745] R13: 00000000686e529d R14: 0000000000499600 R15: 0000000000000000
| [  236.498499][ T2795] ------------[ cut here ]------------
| [ 236.498814][ T2795] WARNING: CPU: 3 PID: 2795 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) 
| [  236.499463][ T2795] Modules linked in: vxlan
| [  236.500421][ T2795] Tainted: [W]=WARN
[  236.500654][ T2795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 236.501054][ T2795] 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) 
[ 236.501379][ T2795] 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
[  236.502494][ T2795] RSP: 0018:ffffc90005c16ef0 EFLAGS: 00010246
[  236.502894][ T2795] RAX: 0000000000000000 RBX: ffff888012eb2000 RCX: 0000000000000001
[  236.503364][ T2795] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  236.503838][ T2795] RBP: ffffc90005c16fd8 R08: 0000000000000000 R09: 0000000000000000
[  236.504305][ T2795] R10: ffffc90005c17008 R11: ffffffff8bf8d1e0 R12: 1ffff92000b82de2
[  236.504774][ T2795] R13: 00000000000005dc R14: ffffc90005c17008 R15: ffff888012eb2f48
[  236.505250][ T2795] FS:  00007f6f5e25f800(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[  236.505805][ T2795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  236.506196][ T2795] CR2: 00000000004e6898 CR3: 0000000013519006 CR4: 0000000000772ef0
[  236.506663][ T2795] PKRU: 55555554
[  236.506904][ T2795] Call Trace:
[  236.507134][ T2795]  <TASK>
[ 236.507294][ T2795] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 236.507601][ T2795] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 236.507948][ T2795] netif_set_mtu (net/core/dev.c:9652) 
[ 236.508257][ T2795] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 236.508585][ T2795] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 236.508829][ T2795] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 236.509146][ T2795] br_add_if (net/bridge/br_if.c:697) 
[ 236.509400][ T2795] do_set_master (net/core/rtnetlink.c:2948) 
[ 236.509710][ T2795] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 236.510035][ T2795] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 236.510353][ T2795] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 236.510750][ T2795] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 236.511067][ T2795] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 236.511374][ T2795] ? __kernel_text_address (kernel/extable.c:79) 
[ 236.511683][ T2795] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 236.512001][ T2795] ? __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) 
[ 236.512316][ T2795] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 236.512701][ T2795] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 236.513024][ T2795] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 236.513334][ T2795] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 236.513642][ T2795] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 236.513966][ T2795] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 236.514281][ T2795] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 236.514591][ T2795] ? __create_object (mm/kmemleak.c:771) 
[ 236.514913][ T2795] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 236.515245][ T2795] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 236.515567][ T2795] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 236.515961][ T2795] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 236.516279][ T2795] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 236.516595][ T2795] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 236.516920][ T2795] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 236.517233][ T2795] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 236.517542][ T2795] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 236.517855][ T2795] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 236.518164][ T2795] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 236.518470][ T2795] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 236.518781][ T2795] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 236.519110][ T2795] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 236.519438][ T2795] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 236.519751][ T2795] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 236.520070][ T2795] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 236.520393][ T2795] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 236.520701][ T2795] ? 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) 
[ 236.521023][ T2795] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 236.521340][ T2795] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 236.521648][ T2795] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 236.521971][ T2795] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 236.522283][ T2795] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 236.522615][ T2795] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 236.522943][ T2795] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 236.523263][ T2795] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 236.523570][ T2795] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 236.523991][ T2795] ___sys_sendmsg (net/socket.c:2670) 
[ 236.524300][ T2795] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 236.524610][ T2795] ? __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) 
[ 236.525005][ T2795] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 236.525317][ T2795] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 236.525627][ T2795] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 236.525948][ T2795] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 236.526264][ T2795] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 236.526574][ T2795] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 236.526914][ T2795] __sys_sendmsg (net/socket.c:2700) 
[ 236.527223][ T2795] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 236.527604][ T2795] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 236.527935][ T2795] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 236.528247][ T2795] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 236.528566][ T2795] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  236.528959][ T2795] RIP: 0033:0x7f6f5e42c1e7
[ 236.529286][ T2795] 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)
[  236.530397][ T2795] RSP: 002b:00007ffd7f238058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  236.530881][ T2795] RAX: ffffffffffffffda RBX: 00007ffd7f238790 RCX: 00007f6f5e42c1e7
[  236.531343][ T2795] RDX: 0000000000000000 RSI: 00007ffd7f2380c0 RDI: 0000000000000005
[  236.531811][ T2795] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  236.532272][ T2795] R10: 00000000179be910 R11: 0000000000000246 R12: 0000000000000003
[  236.532743][ T2795] R13: 00000000686e52a1 R14: 0000000000499600 R15: 0000000000000000
| [  238.059512][ T2821] ------------[ cut here ]------------
| [ 238.060510][ T2821] WARNING: CPU: 1 PID: 2821 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) 
| [  238.061104][ T2821] Modules linked in: vxlan
| [  238.062019][ T2821] Tainted: [W]=WARN
[  238.062242][ T2821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 238.062610][ T2821] 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) 
[ 238.062937][ T2821] 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
[  238.064004][ T2821] RSP: 0018:ffffc90005cb6ef0 EFLAGS: 00010246
[  238.064377][ T2821] RAX: 0000000000000000 RBX: ffff888012eb2000 RCX: 0000000000000001
[  238.064825][ T2821] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  238.065264][ T2821] RBP: ffffc90005cb6fd8 R08: 0000000000000000 R09: 0000000000000000
[  238.065708][ T2821] R10: ffffc90005cb7008 R11: ffffffff8bf8d1e0 R12: 1ffff92000b96de2
[  238.066162][ T2821] R13: 0000000000000596 R14: ffffc90005cb7008 R15: ffff888012eb2f48
[  238.066602][ T2821] FS:  00007f46b6ee1800(0000) GS:ffff8880df419000(0000) knlGS:0000000000000000
[  238.067135][ T2821] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  238.067514][ T2821] CR2: 00000000004e6898 CR3: 00000000125c6001 CR4: 0000000000772ef0
[  238.067966][ T2821] PKRU: 55555554
[  238.068186][ T2821] Call Trace:
[  238.068406][ T2821]  <TASK>
[ 238.068560][ T2821] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 238.068861][ T2821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 238.069170][ T2821] netif_set_mtu (net/core/dev.c:9652) 
[ 238.069470][ T2821] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 238.069785][ T2821] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 238.070022][ T2821] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 238.070323][ T2821] br_add_if (net/bridge/br_if.c:697) 
[ 238.070556][ T2821] do_set_master (net/core/rtnetlink.c:2948) 
[ 238.070871][ T2821] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 238.071180][ T2821] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 238.071480][ T2821] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 238.071863][ T2821] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 238.072156][ T2821] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 238.072446][ T2821] ? __kernel_text_address (kernel/extable.c:79) 
[ 238.072741][ T2821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 238.073060][ T2821] ? __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) 
[ 238.073359][ T2821] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 238.073723][ T2821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 238.074032][ T2821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 238.074323][ T2821] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 238.074617][ T2821] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 238.074940][ T2821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 238.075243][ T2821] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 238.075534][ T2821] ? __create_object (mm/kmemleak.c:771) 
[ 238.075838][ T2821] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 238.076134][ T2821] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 238.076437][ T2821] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 238.076814][ T2821] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 238.077117][ T2821] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 238.077416][ T2821] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 238.077710][ T2821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 238.078020][ T2821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 238.078316][ T2821] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 238.078612][ T2821] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 238.078926][ T2821] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 238.079232][ T2821] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 238.079528][ T2821] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 238.079833][ T2821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 238.080133][ T2821] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 238.080427][ T2821] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 238.080723][ T2821] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 238.081044][ T2821] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 238.081340][ T2821] ? 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) 
[ 238.081634][ T2821] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 238.081938][ T2821] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 238.082232][ T2821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 238.082531][ T2821] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 238.082849][ T2821] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 238.083158][ T2821] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 238.083459][ T2821] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 238.083758][ T2821] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 238.084062][ T2821] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 238.084441][ T2821] ___sys_sendmsg (net/socket.c:2670) 
[ 238.084735][ T2821] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 238.085035][ T2821] ? __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) 
[ 238.085407][ T2821] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 238.085703][ T2821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 238.086011][ T2821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 238.086312][ T2821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 238.086605][ T2821] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 238.086922][ T2821] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 238.087225][ T2821] __sys_sendmsg (net/socket.c:2700) 
[ 238.087521][ T2821] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 238.087893][ T2821] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 238.088199][ T2821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 238.088492][ T2821] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 238.088787][ T2821] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  238.089163][ T2821] RIP: 0033:0x7f46b70ae1e7
[ 238.089473][ T2821] 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)
[  238.090541][ T2821] RSP: 002b:00007ffd0221a498 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  238.091005][ T2821] RAX: ffffffffffffffda RBX: 00007ffd0221abd0 RCX: 00007f46b70ae1e7
[  238.091448][ T2821] RDX: 0000000000000000 RSI: 00007ffd0221a500 RDI: 0000000000000005
[  238.091899][ T2821] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  238.092336][ T2821] R10: 000000002da3d910 R11: 0000000000000246 R12: 0000000000000003
[  238.092776][ T2821] R13: 00000000686e52a2 R14: 0000000000499600 R15: 0000000000000000
| [  241.683127][ T2871] ------------[ cut here ]------------
| [ 241.683465][ T2871] WARNING: CPU: 0 PID: 2871 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) 
| [  241.684122][ T2871] Modules linked in: vxlan
| [  241.685142][ T2871] Tainted: [W]=WARN
[  241.685392][ T2871] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 241.685821][ T2871] 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) 
[ 241.686164][ T2871] 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
[  241.687323][ T2871] RSP: 0018:ffffc90005c66ef0 EFLAGS: 00010246
[  241.687733][ T2871] RAX: 0000000000000000 RBX: ffff888009e5a000 RCX: 0000000000000001
[  241.688209][ T2871] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  241.688684][ T2871] RBP: ffffc90005c66fd8 R08: 0000000000000000 R09: 0000000000000000
[  241.689168][ T2871] R10: ffffc90005c67008 R11: ffffffff8bf8d1e0 R12: 1ffff92000b8cde2
[  241.689651][ T2871] R13: 00000000000005dc R14: ffffc90005c67008 R15: ffff888009e5af48
[  241.690129][ T2871] FS:  00007fb88dd20800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[  241.690683][ T2871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  241.691101][ T2871] CR2: 00000000004e68a0 CR3: 0000000012804004 CR4: 0000000000772ef0
[  241.691587][ T2871] PKRU: 55555554
[  241.691845][ T2871] Call Trace:
[  241.692085][ T2871]  <TASK>
[ 241.692262][ T2871] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 241.692584][ T2871] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 241.692947][ T2871] netif_set_mtu (net/core/dev.c:9652) 
[ 241.693278][ T2871] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 241.693629][ T2871] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 241.693890][ T2871] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 241.694216][ T2871] br_add_if (net/bridge/br_if.c:697) 
[ 241.694477][ T2871] do_set_master (net/core/rtnetlink.c:2948) 
[ 241.694813][ T2871] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 241.695156][ T2871] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 241.695489][ T2871] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 241.695913][ T2871] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 241.696241][ T2871] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 241.696574][ T2871] ? __kernel_text_address (kernel/extable.c:79) 
[ 241.696912][ T2871] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 241.697253][ T2871] ? __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) 
[ 241.697582][ T2871] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 241.698004][ T2871] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 241.698330][ T2871] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 241.698656][ T2871] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 241.698995][ T2871] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 241.699332][ T2871] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 241.699656][ T2871] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 241.700005][ T2871] ? __create_object (mm/kmemleak.c:771) 
[ 241.700339][ T2871] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 241.700674][ T2871] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 241.701012][ T2871] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 241.701447][ T2871] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 241.701783][ T2871] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 241.702130][ T2871] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 241.702456][ T2871] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 241.702805][ T2871] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 241.703143][ T2871] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 241.703450][ T2871] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 241.703802][ T2871] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 241.704116][ T2871] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 241.704444][ T2871] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 241.704769][ T2871] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 241.705098][ T2871] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 241.705412][ T2871] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 241.705723][ T2871] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 241.706053][ T2871] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 241.706370][ T2871] ? 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) 
[ 241.706698][ T2871] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 241.707049][ T2871] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 241.707374][ T2871] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 241.707689][ T2871] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 241.708027][ T2871] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 241.708334][ T2871] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 241.708661][ T2871] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 241.708981][ T2871] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 241.709321][ T2871] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 241.709736][ T2871] ___sys_sendmsg (net/socket.c:2670) 
[ 241.710058][ T2871] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 241.710393][ T2871] ? __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) 
[ 241.710826][ T2871] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 241.711218][ T2871] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 241.711652][ T2871] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 241.711981][ T2871] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 241.712280][ T2871] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 241.712581][ T2871] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 241.712901][ T2871] __sys_sendmsg (net/socket.c:2700) 
[ 241.713200][ T2871] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 241.713608][ T2871] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 241.713942][ T2871] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 241.714251][ T2871] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 241.714568][ T2871] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  241.714982][ T2871] RIP: 0033:0x7fb88deed1e7
[ 241.715312][ T2871] 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)
[  241.716424][ T2871] RSP: 002b:00007ffd8c46b748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  241.716886][ T2871] RAX: ffffffffffffffda RBX: 00007ffd8c46be80 RCX: 00007fb88deed1e7
[  241.717341][ T2871] RDX: 0000000000000000 RSI: 00007ffd8c46b7b0 RDI: 0000000000000005
[  241.717825][ T2871] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  241.718295][ T2871] R10: 000000002db76910 R11: 0000000000000246 R12: 0000000000000003
[  241.718755][ T2871] R13: 00000000686e52a6 R14: 0000000000499600 R15: 0000000000000000
| [  243.252618][ T2897] ------------[ cut here ]------------
| [ 243.252939][ T2897] WARNING: CPU: 0 PID: 2897 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) 
| [  243.253555][ T2897] Modules linked in: vxlan
| [  243.254505][ T2897] Tainted: [W]=WARN
[  243.254746][ T2897] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 243.255618][ T2897] 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) 
[ 243.255946][ T2897] 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
[  243.257048][ T2897] RSP: 0018:ffffc90005f06ef0 EFLAGS: 00010246
[  243.257439][ T2897] RAX: 0000000000000000 RBX: ffff888009e5a000 RCX: 0000000000000001
[  243.257903][ T2897] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  243.258370][ T2897] RBP: ffffc90005f06fd8 R08: 0000000000000000 R09: 0000000000000000
[  243.258840][ T2897] R10: ffffc90005f07008 R11: ffffffff8c8ceab8 R12: 1ffff92000be0de2
[  243.259316][ T2897] R13: 00000000000005aa R14: ffffc90005f07008 R15: ffff888009e5af48
[  243.259775][ T2897] FS:  00007f09e517a800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[  243.260332][ T2897] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  243.260724][ T2897] CR2: 00000000004e68a0 CR3: 0000000012ed7006 CR4: 0000000000772ef0
[  243.261194][ T2897] PKRU: 55555554
[  243.261429][ T2897] Call Trace:
[  243.261658][ T2897]  <TASK>
[ 243.261826][ T2897] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 243.262136][ T2897] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 243.262448][ T2897] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 243.262844][ T2897] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 243.263158][ T2897] netif_set_mtu (net/core/dev.c:9652) 
[ 243.263467][ T2897] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 243.263784][ T2897] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 243.264185][ T2897] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 243.264420][ T2897] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 243.264736][ T2897] br_add_if (net/bridge/br_if.c:697) 
[ 243.265004][ T2897] do_set_master (net/core/rtnetlink.c:2948) 
[ 243.265312][ T2897] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 243.265622][ T2897] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 243.265945][ T2897] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 243.266335][ T2897] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 243.266644][ T2897] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 243.266965][ T2897] ? __kernel_text_address (kernel/extable.c:79) 
[ 243.267272][ T2897] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 243.267583][ T2897] ? __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) 
[ 243.267902][ T2897] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 243.268284][ T2897] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 243.268595][ T2897] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 243.268912][ T2897] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 243.269235][ T2897] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 243.269544][ T2897] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 243.269860][ T2897] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 243.270165][ T2897] ? __create_object (mm/kmemleak.c:771) 
[ 243.270473][ T2897] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 243.270780][ T2897] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 243.271110][ T2897] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 243.271494][ T2897] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 243.271826][ T2897] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 243.272141][ T2897] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 243.272447][ T2897] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 243.272759][ T2897] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 243.273073][ T2897] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 243.273380][ T2897] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 243.273692][ T2897] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 243.274010][ T2897] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 243.274326][ T2897] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 243.274638][ T2897] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 243.274961][ T2897] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 243.275271][ T2897] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 243.275580][ T2897] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 243.275906][ T2897] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 243.276213][ T2897] ? 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) 
[ 243.276528][ T2897] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 243.276847][ T2897] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 243.277155][ T2897] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 243.277466][ T2897] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 243.277777][ T2897] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 243.278094][ T2897] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 243.278407][ T2897] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 243.278722][ T2897] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 243.279038][ T2897] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 243.279442][ T2897] ___sys_sendmsg (net/socket.c:2670) 
[ 243.279746][ T2897] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 243.280058][ T2897] ? __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) 
[ 243.280443][ T2897] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 243.280752][ T2897] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 243.281075][ T2897] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 243.281393][ T2897] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 243.281701][ T2897] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 243.282017][ T2897] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 243.282336][ T2897] __sys_sendmsg (net/socket.c:2700) 
[ 243.282642][ T2897] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 243.283034][ T2897] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 243.283361][ T2897] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 243.283674][ T2897] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 243.283992][ T2897] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  243.284376][ T2897] RIP: 0033:0x7f09e53471e7
[ 243.284691][ T2897] 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)
[  243.285802][ T2897] RSP: 002b:00007fff75d6b5b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  243.286269][ T2897] RAX: ffffffffffffffda RBX: 00007fff75d6bcf0 RCX: 00007f09e53471e7
[  243.286727][ T2897] RDX: 0000000000000000 RSI: 00007fff75d6b620 RDI: 0000000000000005
[  243.287196][ T2897] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  243.287665][ T2897] R10: 000000001eeb4910 R11: 0000000000000246 R12: 0000000000000003
[  243.288130][ T2897] R13: 00000000686e52a7 R14: 0000000000499600 R15: 0000000000000000
| [  245.048250][ T2923] ------------[ cut here ]------------
| [ 245.048583][ T2923] WARNING: CPU: 2 PID: 2923 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) 
| [  245.049227][ T2923] Modules linked in: vxlan
| [  245.050212][ T2923] Tainted: [W]=WARN
[  245.050463][ T2923] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 245.050872][ T2923] 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) 
[ 245.051202][ T2923] 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
[  245.052317][ T2923] RSP: 0018:ffffc90005f96ef0 EFLAGS: 00010246
[  245.052724][ T2923] RAX: 0000000000000000 RBX: ffff888009e5a000 RCX: 0000000000000001
[  245.053208][ T2923] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  245.053679][ T2923] RBP: ffffc90005f96fd8 R08: 0000000000000000 R09: 0000000000000000
[  245.054166][ T2923] R10: ffffc90005f97008 R11: ffffffff8c8ceab8 R12: 1ffff92000bf2de2
[  245.054643][ T2923] R13: 0000000000000596 R14: ffffc90005f97008 R15: ffff888009e5af48
[  245.055130][ T2923] FS:  00007efc1ff3d800(0000) GS:ffff8880df499000(0000) knlGS:0000000000000000
[  245.055678][ T2923] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  245.056087][ T2923] CR2: 00000000004e68a0 CR3: 0000000012b47005 CR4: 0000000000772ef0
[  245.056567][ T2923] PKRU: 55555554
[  245.056828][ T2923] Call Trace:
[  245.057071][ T2923]  <TASK>
[ 245.057244][ T2923] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 245.057571][ T2923] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 245.057904][ T2923] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 245.058304][ T2923] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 245.058633][ T2923] netif_set_mtu (net/core/dev.c:9652) 
[ 245.058968][ T2923] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 245.059321][ T2923] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 245.059724][ T2923] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 245.059981][ T2923] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 245.060308][ T2923] br_add_if (net/bridge/br_if.c:697) 
[ 245.060563][ T2923] do_set_master (net/core/rtnetlink.c:2948) 
[ 245.060896][ T2923] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 245.061230][ T2923] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 245.061558][ T2923] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 245.061970][ T2923] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 245.062292][ T2923] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 245.062611][ T2923] ? __kernel_text_address (kernel/extable.c:79) 
[ 245.062946][ T2923] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 245.063279][ T2923] ? __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) 
[ 245.063610][ T2923] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 245.064019][ T2923] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 245.064346][ T2923] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 245.064664][ T2923] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 245.064996][ T2923] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 245.065322][ T2923] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 245.065646][ T2923] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 245.065993][ T2923] ? __create_object (mm/kmemleak.c:771) 
[ 245.066318][ T2923] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 245.066638][ T2923] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 245.066973][ T2923] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 245.067368][ T2923] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 245.067702][ T2923] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 245.068036][ T2923] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 245.068364][ T2923] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 245.068690][ T2923] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 245.069022][ T2923] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 245.069348][ T2923] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 245.069675][ T2923] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 245.070005][ T2923] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 245.070328][ T2923] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 245.070652][ T2923] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 245.070992][ T2923] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 245.071316][ T2923] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 245.071637][ T2923] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 245.071985][ T2923] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 245.072304][ T2923] ? 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) 
[ 245.072627][ T2923] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 245.072959][ T2923] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 245.073285][ T2923] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 245.073609][ T2923] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 245.073949][ T2923] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 245.074270][ T2923] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 245.074599][ T2923] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 245.074932][ T2923] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 245.075250][ T2923] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 245.075663][ T2923] ___sys_sendmsg (net/socket.c:2670) 
[ 245.075994][ T2923] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 245.076312][ T2923] ? __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) 
[ 245.076711][ T2923] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 245.077044][ T2923] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 245.077369][ T2923] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 245.077701][ T2923] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 245.078036][ T2923] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 245.078360][ T2923] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 245.078696][ T2923] __sys_sendmsg (net/socket.c:2700) 
[ 245.079025][ T2923] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 245.079428][ T2923] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 245.079759][ T2923] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 245.080093][ T2923] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 245.080419][ T2923] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  245.080865][ T2923] RIP: 0033:0x7efc2010a1e7
[ 245.081197][ T2923] 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)
[  245.082313][ T2923] RSP: 002b:00007ffe35b4b858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  245.082809][ T2923] RAX: ffffffffffffffda RBX: 00007ffe35b4bf90 RCX: 00007efc2010a1e7
[  245.083286][ T2923] RDX: 0000000000000000 RSI: 00007ffe35b4b8c0 RDI: 0000000000000005
[  245.083758][ T2923] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  245.084242][ T2923] R10: 000000002aae7910 R11: 0000000000000246 R12: 0000000000000003
[  245.084730][ T2923] R13: 00000000686e52a9 R14: 0000000000499600 R15: 0000000000000000
| [  247.034425][ T2949] ------------[ cut here ]------------
| [ 247.034731][ T2949] WARNING: CPU: 0 PID: 2949 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) 
| [  247.035328][ T2949] Modules linked in: vxlan
| [  247.036251][ T2949] Tainted: [W]=WARN
[  247.036478][ T2949] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 247.036858][ T2949] 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) 
[ 247.037164][ T2949] 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
[  247.038255][ T2949] RSP: 0018:ffffc90005ff6ef0 EFLAGS: 00010246
[  247.038643][ T2949] RAX: 0000000000000000 RBX: ffff888009e5a000 RCX: 0000000000000001
[  247.039107][ T2949] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  247.039579][ T2949] RBP: ffffc90005ff6fd8 R08: 0000000000000000 R09: 0000000000000000
[  247.040060][ T2949] R10: ffffc90005ff7008 R11: ffffffff8c8ceab8 R12: 1ffff92000bfede2
[  247.040514][ T2949] R13: 0000000000000596 R14: ffffc90005ff7008 R15: ffff888009e5af48
[  247.040979][ T2949] FS:  00007efc28ee6800(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[  247.041509][ T2949] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  247.041890][ T2949] CR2: 00000000004e68a0 CR3: 0000000012ffc003 CR4: 0000000000772ef0
[  247.042346][ T2949] PKRU: 55555554
[  247.042572][ T2949] Call Trace:
[  247.042808][ T2949]  <TASK>
[ 247.042968][ T2949] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 247.043274][ T2949] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 247.043580][ T2949] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 247.043962][ T2949] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 247.044262][ T2949] netif_set_mtu (net/core/dev.c:9652) 
[ 247.044564][ T2949] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 247.044890][ T2949] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 247.045267][ T2949] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 247.045496][ T2949] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 247.045807][ T2949] br_add_if (net/bridge/br_if.c:697) 
[ 247.046045][ T2949] do_set_master (net/core/rtnetlink.c:2948) 
[ 247.046344][ T2949] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 247.046651][ T2949] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 247.046964][ T2949] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 247.047353][ T2949] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 247.047654][ T2949] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 247.047960][ T2949] ? __kernel_text_address (kernel/extable.c:79) 
[ 247.048265][ T2949] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 247.048568][ T2949] ? __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) 
[ 247.048883][ T2949] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 247.049277][ T2949] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 247.049583][ T2949] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 247.049889][ T2949] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 247.050189][ T2949] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 247.050491][ T2949] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 247.050801][ T2949] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 247.051097][ T2949] ? __create_object (mm/kmemleak.c:771) 
[ 247.051399][ T2949] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 247.051707][ T2949] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 247.052014][ T2949] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 247.052384][ T2949] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 247.052693][ T2949] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 247.053006][ T2949] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 247.053303][ T2949] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 247.053605][ T2949] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 247.053916][ T2949] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 247.054218][ T2949] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 247.054520][ T2949] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 247.054826][ T2949] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 247.055127][ T2949] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 247.055426][ T2949] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 247.055731][ T2949] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 247.056034][ T2949] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 247.056338][ T2949] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 247.056648][ T2949] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 247.056962][ T2949] ? 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) 
[ 247.057261][ T2949] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 247.057560][ T2949] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 247.057867][ T2949] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 247.058169][ T2949] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 247.058475][ T2949] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 247.058777][ T2949] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 247.059095][ T2949] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 247.059405][ T2949] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 247.059701][ T2949] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 247.060098][ T2949] ___sys_sendmsg (net/socket.c:2670) 
[ 247.060393][ T2949] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 247.060694][ T2949] ? __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) 
[ 247.061075][ T2949] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 247.061377][ T2949] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 247.061674][ T2949] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 247.061986][ T2949] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 247.062286][ T2949] ? irqentry_exit (kernel/entry/common.c:311) 
[ 247.062581][ T2949] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 247.062889][ T2949] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4673) 
[ 247.063277][ T2949] __sys_sendmsg (net/socket.c:2700) 
[ 247.063572][ T2949] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 247.063950][ T2949] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 247.064263][ T2949] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 247.064561][ T2949] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 247.064875][ T2949] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  247.065245][ T2949] RIP: 0033:0x7efc290b31e7
[ 247.065555][ T2949] 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)
[  247.066624][ T2949] RSP: 002b:00007ffd8264ffc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  247.067081][ T2949] RAX: ffffffffffffffda RBX: 00007ffd82650700 RCX: 00007efc290b31e7
[  247.067530][ T2949] RDX: 0000000000000000 RSI: 00007ffd82650030 RDI: 0000000000000005
[  247.067982][ T2949] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  247.068429][ T2949] R10: 0000000023b20910 R11: 0000000000000246 R12: 0000000000000003
[  247.068882][ T2949] R13: 00000000686e52ab R14: 0000000000499600 R15: 0000000000000000
| [  250.741729][   T12] ------------[ cut here ]------------
| [ 250.742252][ T12] WARNING: CPU: 1 PID: 12 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) 
| [  250.742905][   T12] Modules linked in: vxlan
| [  250.743939][   T12] Tainted: [W]=WARN
[  250.744191][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  250.744579][   T12] Workqueue: netns cleanup_net
[ 250.744930][ T12] 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) 
[ 250.745258][ T12] 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
[  250.746386][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[  250.746776][   T12] RAX: 0000000000000000 RBX: ffff888009e5a000 RCX: 0000000000000001
[  250.747443][   T12] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  250.748224][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  250.748690][   T12] R10: ffffc900000c7480 R11: ffffffff8bf8d1e0 R12: 1ffff92000018e70
[  250.749315][   T12] R13: 0000000000000596 R14: ffffc900000c7480 R15: ffff888009e5af48
[  250.749779][   T12] FS:  0000000000000000(0000) GS:ffff8880df419000(0000) knlGS:0000000000000000
[  250.750530][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  250.751070][   T12] CR2: 00007f8b0a7da47f CR3: 0000000042b4a004 CR4: 0000000000772ef0
[  250.751546][   T12] PKRU: 55555554
[  250.751775][   T12] Call Trace:
[  250.752181][   T12]  <TASK>
[ 250.752340][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 250.752654][ T12] ? __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) 
[ 250.753044][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 250.753289][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 250.753593][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 250.753900][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 250.754221][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 250.754598][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 250.754994][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 250.755317][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 250.755616][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 250.755935][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 250.756255][ T12] ? kthread (kernel/kthread.c:464) 
[ 250.756486][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 250.756798][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 250.757116][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 250.757438][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 250.757766][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 250.758007][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 250.758329][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 250.758562][ T12] br_device_event (net/bridge/br.c:141) 
[ 250.758883][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 250.759205][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 250.759548][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 250.759946][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 250.760365][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 250.760759][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 250.761091][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 250.761502][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 250.761913][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 250.762225][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 250.762630][ T12] ? 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) 
[ 250.762957][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 250.763342][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 250.763742][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 250.764131][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 250.764529][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 250.764871][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 250.765256][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 250.765581][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 250.765897][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 250.766208][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 250.766533][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 250.766860][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 250.767180][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 250.767509][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 250.767833][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 250.768140][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 250.768459][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 250.768781][ T12] kthread (kernel/kthread.c:464) 
[ 250.769022][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 250.769334][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 250.769654][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 250.769971][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 250.770277][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 250.770590][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 250.770920][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 250.771231][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  250.820390][   T12] ------------[ cut here ]------------
| [ 250.820712][ T12] WARNING: CPU: 0 PID: 12 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) 
| [  250.821275][   T12] Modules linked in: vxlan
| [  250.822313][   T12] Tainted: [W]=WARN
[  250.822553][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  250.822950][   T12] Workqueue: netns cleanup_net
[ 250.823275][ T12] 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) 
[ 250.823600][ T12] 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
[  250.824714][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[  250.825122][   T12] RAX: 0000000000000000 RBX: ffff888009e5a000 RCX: 0000000000000001
[  250.825599][   T12] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  250.826072][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  250.826535][   T12] R10: ffffc900000c7480 R11: ffffffff8bf8d1e0 R12: 1ffff92000018e70
[  250.827014][   T12] R13: 00000000000005aa R14: ffffc900000c7480 R15: ffff888009e5af48
[  250.827483][   T12] FS:  0000000000000000(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[  250.828031][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  250.828419][   T12] CR2: 00007f706e187000 CR3: 0000000042b4a004 CR4: 0000000000772ef0
[  250.828892][   T12] PKRU: 55555554
[  250.829126][   T12] Call Trace:
[  250.829370][   T12]  <TASK>
[ 250.829531][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 250.829854][ T12] ? __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) 
[ 250.830240][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 250.830475][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 250.830783][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 250.831107][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 250.831419][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 250.831819][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 250.832206][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 250.832515][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 250.832829][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 250.833140][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 250.833447][ T12] ? kthread (kernel/kthread.c:464) 
[ 250.833681][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 250.834006][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 250.834330][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 250.834641][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 250.834982][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 250.835219][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 250.835532][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 250.835769][ T12] br_device_event (net/bridge/br.c:141) 
[ 250.836086][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 250.836412][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 250.836728][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 250.837133][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 250.837542][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 250.837948][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 250.838274][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 250.838680][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 250.839094][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 250.839415][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 250.839830][ T12] ? 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) 
[ 250.840142][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 250.840524][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 250.840924][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 250.841311][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 250.841706][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 250.842024][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 250.842419][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 250.842733][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 250.843057][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 250.843376][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 250.843687][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 250.844009][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 250.844323][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 250.844643][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 250.844967][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 250.845278][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 250.845602][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 250.845923][ T12] kthread (kernel/kthread.c:464) 
[ 250.846161][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 250.846469][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 250.846783][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 250.847106][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 250.847416][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 250.847727][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 250.848048][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 250.848355][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  250.889409][   T12] ------------[ cut here ]------------
| [ 250.889723][ T12] WARNING: CPU: 0 PID: 12 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) 
| [  250.890272][   T12] Modules linked in: vxlan
| [  250.891325][   T12] Tainted: [W]=WARN
[  250.891564][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  250.891964][   T12] Workqueue: netns cleanup_net
[ 250.892298][ T12] 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) 
[ 250.892619][ T12] 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
[  250.893742][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[  250.895504][   T12] RAX: 0000000000000000 RBX: ffff888009e5a000 RCX: 0000000000000001
[  250.896114][   T12] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  250.896583][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  250.897203][   T12] R10: ffffc900000c7480 R11: ffffffff8bf8d1e0 R12: 1ffff92000018e70
[  250.897664][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff888009e5af48
[  250.898155][   T12] FS:  0000000000000000(0000) GS:ffff8880df399000(0000) knlGS:0000000000000000
[  250.898705][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  250.899109][   T12] CR2: 00007f706e187000 CR3: 0000000042b4a004 CR4: 0000000000772ef0
[  250.899591][   T12] PKRU: 55555554
[  250.899837][   T12] Call Trace:
[  250.900072][   T12]  <TASK>
[ 250.900229][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 250.900542][ T12] ? __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) 
[ 250.900944][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 250.901181][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 250.901493][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 250.901817][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 250.902131][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 250.902514][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 250.902912][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 250.903223][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 250.903531][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 250.903851][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 250.904160][ T12] ? kthread (kernel/kthread.c:464) 
[ 250.904396][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 250.904704][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 250.905037][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 250.905357][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 250.905685][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 250.905933][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 250.906247][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 250.906482][ T12] br_device_event (net/bridge/br.c:141) 
[ 250.906809][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 250.907130][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 250.907453][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 250.907857][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 250.908259][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 250.908654][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 250.908989][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 250.909401][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 250.909826][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 250.910145][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 250.910537][ T12] ? 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) 
[ 250.910861][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 250.911248][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 250.911632][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 250.912031][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 250.912426][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 250.912737][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 250.913371][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 250.913686][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 250.914334][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 250.914659][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 250.914981][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 250.915294][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 250.915609][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 250.915939][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 250.916258][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 250.916570][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 250.916902][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 250.917214][ T12] kthread (kernel/kthread.c:464) 
[ 250.917453][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 250.918000][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 250.918318][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 250.918635][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 250.918952][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 250.919717][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 250.920038][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 250.920346][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  250.941303][   T12] ------------[ cut here ]------------
| [ 250.941621][ T12] WARNING: CPU: 1 PID: 12 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) 
| [  250.942177][   T12] Modules linked in: vxlan
| [  250.943224][   T12] Tainted: [W]=WARN
[  250.943456][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  250.943846][   T12] Workqueue: netns cleanup_net
[ 250.944177][ T12] 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) 
[ 250.944491][ T12] 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
[  250.945710][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[  250.946119][   T12] RAX: 0000000000000000 RBX: ffff888012eb2000 RCX: 0000000000000001
[  250.946574][   T12] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  250.947043][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  250.947521][   T12] R10: ffffc900000c7480 R11: ffffffff8bf8d1e0 R12: 1ffff92000018e70
[  250.947993][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff888012eb2f48
[  250.948464][   T12] FS:  0000000000000000(0000) GS:ffff8880df419000(0000) knlGS:0000000000000000
[  250.949003][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  250.949414][   T12] CR2: 00005633a49daaf0 CR3: 0000000042b4a004 CR4: 0000000000772ef0
[  250.949889][   T12] PKRU: 55555554
[  250.950120][   T12] Call Trace:
[  250.950361][   T12]  <TASK>
[ 250.950515][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 250.950828][ T12] ? __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) 
[ 250.951216][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 250.951452][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 250.951761][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 250.952073][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 250.952394][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 250.952771][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 250.953158][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 250.953474][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 250.953773][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 250.954089][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 250.954413][ T12] ? kthread (kernel/kthread.c:464) 
[ 250.954639][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 250.954952][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 250.955265][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 250.955584][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 250.955915][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 250.956152][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 250.956473][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 250.956704][ T12] br_device_event (net/bridge/br.c:141) 
[ 250.957018][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 250.957332][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 250.957657][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 250.958048][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 250.958459][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 250.958860][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 250.959182][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 250.959595][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 250.960005][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 250.960316][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 250.960716][ T12] ? 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) 
[ 250.961041][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 250.961419][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 250.961820][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 250.962201][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 250.962602][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 250.962915][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 250.963307][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 250.963631][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 250.963942][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 250.964253][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 250.964573][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 250.964890][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 250.965198][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 250.965518][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 250.965857][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 250.966165][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 250.966477][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 250.966806][ T12] kthread (kernel/kthread.c:464) 
[ 250.967037][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 250.967337][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 250.967652][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 250.967973][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 250.968277][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 250.968580][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 250.969199][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 250.969518][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  250.993886][   T12] ------------[ cut here ]------------
| [ 250.994200][ T12] WARNING: CPU: 3 PID: 12 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) 
| [  250.994734][   T12] Modules linked in: vxlan
| [  250.995747][   T12] Tainted: [W]=WARN
[  250.995988][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  250.996371][   T12] Workqueue: netns cleanup_net
[ 250.996694][ T12] 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) 
[ 250.997015][ T12] 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
[  250.998108][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[  250.998497][   T12] RAX: 0000000000000000 RBX: ffff88801349a000 RCX: 0000000000000001
[  250.998964][   T12] RDX: 0000000000000000 RSI: ffffffff8b510759 RDI: ffffffff8ac58280
[  250.999435][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  250.999897][   T12] R10: ffffc900000c7480 R11: ffffffff8bf8d1e0 R12: 1ffff92000018e70
[  251.000351][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff88801349af48
[  251.000813][   T12] FS:  0000000000000000(0000) GS:ffff8880df519000(0000) knlGS:0000000000000000
[  251.001352][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  251.001737][   T12] CR2: 00007f2a9a9e4b8d CR3: 000000000cf4f003 CR4: 0000000000772ef0
[  251.002201][   T12] PKRU: 55555554
[  251.002431][   T12] Call Trace:
[  251.002663][   T12]  <TASK>
[ 251.002824][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 251.003130][ T12] ? __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) 
[ 251.003512][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 251.003742][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 251.004054][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 251.004356][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 251.004663][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 251.005046][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 251.005426][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 251.005733][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 251.006043][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 251.006345][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 251.006647][ T12] ? kthread (kernel/kthread.c:464) 
[ 251.006882][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 251.007188][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 251.007502][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 251.007816][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 251.008143][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 251.008374][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 251.008684][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 251.008924][ T12] br_device_event (net/bridge/br.c:141) 
[ 251.009234][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 251.009548][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 251.009872][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 251.010262][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 251.010659][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 251.011054][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 251.011382][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 251.011772][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 251.012182][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 251.012496][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 251.012889][ T12] ? 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) 
[ 251.013196][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 251.013571][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 251.013951][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 251.014335][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 251.014722][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 251.015035][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 251.015422][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 251.015732][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 251.016039][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 251.016349][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 251.016654][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 251.016970][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 251.017287][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 251.017600][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 251.017920][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 251.018230][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 251.018542][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 251.018853][ T12] kthread (kernel/kthread.c:464) 
[ 251.019082][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 251.019395][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 251.019697][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 251.020012][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 251.020320][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 251.020625][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 251.020932][ T12] ? __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