======================================
| [   87.029578][ T1034] vxlan0: entered promiscuous mode
| [   87.032740][ T1034] ------------[ cut here ]------------
| [ 87.033482][ T1034] WARNING: CPU: 2 PID: 1034 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   87.034114][ T1034] Modules linked in: vxlan pktgen act_mirred act_tunnel_key cls_flower bareudp mpls_gso mpls_iptunnel mpls_router sch_ingress
[   87.035499][ T1034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 87.035886][ T1034] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 87.036369][ T1034] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   87.037443][ T1034] RSP: 0018:ffffc900062ceef0 EFLAGS: 00010246
[   87.037831][ T1034] RAX: 0000000000000000 RBX: ffff888009f72000 RCX: 0000000000000001
[   87.038300][ T1034] RDX: 0000000000000000 RSI: ffffffffa3510759 RDI: ffffffffa2c58280
[   87.038751][ T1034] RBP: ffffc900062cefd8 R08: 0000000000000000 R09: 0000000000000000
[   87.039216][ T1034] R10: ffffc900062cf008 R11: ffffffffa3f8d1e0 R12: 1ffff92000c59de2
[   87.039678][ T1034] R13: 00000000000005aa R14: ffffc900062cf008 R15: ffff888009f72f48
[   87.040153][ T1034] FS:  00007efe2ed82800(0000) GS:ffff8880c7499000(0000) knlGS:0000000000000000
[   87.040690][ T1034] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.041085][ T1034] CR2: 00000000004e6888 CR3: 0000000012fc2003 CR4: 0000000000772ef0
[   87.041536][ T1034] PKRU: 55555554
[   87.041772][ T1034] Call Trace:
[   87.042013][ T1034]  <TASK>
[ 87.042187][ T1034] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 87.042497][ T1034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 87.042815][ T1034] netif_set_mtu (net/core/dev.c:9652) 
[ 87.043134][ T1034] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 87.043455][ T1034] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 87.043692][ T1034] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 87.044060][ T1034] br_add_if (net/bridge/br_if.c:697) 
[ 87.044310][ T1034] do_set_master (net/core/rtnetlink.c:2948) 
[ 87.044618][ T1034] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 87.044947][ T1034] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 87.045271][ T1034] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 87.045658][ T1034] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 87.045961][ T1034] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 87.046276][ T1034] ? __kernel_text_address (kernel/extable.c:79) 
[ 87.046587][ T1034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 87.046898][ T1034] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 87.047214][ T1034] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 87.047591][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 87.047896][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 87.048221][ T1034] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 87.048527][ T1034] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 87.048834][ T1034] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 87.049157][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 87.049463][ T1034] ? __create_object (mm/kmemleak.c:771) 
[ 87.049767][ T1034] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 87.050086][ T1034] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 87.050391][ T1034] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 87.050766][ T1034] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 87.051100][ T1034] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 87.051416][ T1034] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 87.051718][ T1034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 87.052059][ T1034] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 87.052367][ T1034] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 87.052670][ T1034] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 87.052975][ T1034] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 87.053300][ T1034] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 87.053606][ T1034] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 87.053920][ T1034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 87.054239][ T1034] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 87.054545][ T1034] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 87.054856][ T1034] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 87.055187][ T1034] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 87.055490][ T1034] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 87.055799][ T1034] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 87.056126][ T1034] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 87.056438][ T1034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 87.056747][ T1034] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 87.057067][ T1034] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 87.057374][ T1034] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 87.057686][ T1034] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 87.057991][ T1034] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 87.058308][ T1034] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 87.058695][ T1034] ___sys_sendmsg (net/socket.c:2670) 
[ 87.059013][ T1034] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 87.059319][ T1034] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 87.059700][ T1034] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 87.060039][ T1034] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 87.060352][ T1034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 87.060664][ T1034] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 87.060971][ T1034] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 87.061287][ T1034] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 87.061602][ T1034] __sys_sendmsg (net/socket.c:2700) 
[ 87.061904][ T1034] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 87.062289][ T1034] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 87.062606][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 87.062914][ T1034] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 87.063232][ T1034] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   87.063606][ T1034] RIP: 0033:0x7efe2ef4f1e7
[ 87.063925][ T1034] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   87.065021][ T1034] RSP: 002b:00007ffde2d1c2a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   87.065485][ T1034] RAX: ffffffffffffffda RBX: 00007ffde2d1c9e0 RCX: 00007efe2ef4f1e7
[   87.065938][ T1034] RDX: 0000000000000000 RSI: 00007ffde2d1c310 RDI: 0000000000000005
[   87.066399][ T1034] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   87.066851][ T1034] R10: 0000000010a52910 R11: 0000000000000246 R12: 0000000000000003
[   87.067322][ T1034] R13: 00000000686e24d5 R14: 0000000000499600 R15: 0000000000000000
| [   88.347212][ T1045] ------------[ cut here ]------------
| [ 88.347510][ T1045] WARNING: CPU: 0 PID: 1045 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) 
| [   88.348255][ T1045] Modules linked in: vxlan pktgen act_mirred act_tunnel_key cls_flower bareudp mpls_gso mpls_iptunnel mpls_router sch_ingress
| [   88.349810][ T1045] Tainted: [W]=WARN
[   88.350150][ T1045] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 88.350517][ T1045] 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) 
[ 88.350824][ T1045] 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
[   88.351871][ T1045] RSP: 0018:ffffc900005a6ef0 EFLAGS: 00010246
[   88.352248][ T1045] RAX: 0000000000000000 RBX: ffff88800cb72000 RCX: 0000000000000001
[   88.352689][ T1045] RDX: 0000000000000000 RSI: ffffffffa3510759 RDI: ffffffffa2c58280
[   88.353134][ T1045] RBP: ffffc900005a6fd8 R08: 0000000000000000 R09: 0000000000000000
[   88.353570][ T1045] R10: ffffc900005a7008 R11: ffffffffa3f8d1e0 R12: 1ffff920000b4de2
[   88.354016][ T1045] R13: 00000000000005aa R14: ffffc900005a7008 R15: ffff88800cb72f48
[   88.354457][ T1045] FS:  00007f561a69d800(0000) GS:ffff8880c7399000(0000) knlGS:0000000000000000
[   88.354975][ T1045] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.355353][ T1045] CR2: 00000000004e6888 CR3: 000000000c46c004 CR4: 0000000000772ef0
[   88.355796][ T1045] PKRU: 55555554
[   88.356033][ T1045] Call Trace:
[   88.356252][ T1045]  <TASK>
[ 88.356404][ T1045] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 88.356700][ T1045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 88.357016][ T1045] netif_set_mtu (net/core/dev.c:9652) 
[ 88.357310][ T1045] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 88.357618][ T1045] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 88.357839][ T1045] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 88.358143][ T1045] br_add_if (net/bridge/br_if.c:697) 
[ 88.358376][ T1045] do_set_master (net/core/rtnetlink.c:2948) 
[ 88.358672][ T1045] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 88.358969][ T1045] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 88.359276][ T1045] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 88.359648][ T1045] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 88.359940][ T1045] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 88.360236][ T1045] ? __kernel_text_address (kernel/extable.c:79) 
[ 88.360533][ T1045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 88.360833][ T1045] ? __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) 
[ 88.361136][ T1045] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 88.361501][ T1045] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 88.361794][ T1045] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 88.362092][ T1045] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 88.362383][ T1045] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 88.362681][ T1045] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 88.362977][ T1045] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 88.363277][ T1045] ? __create_object (mm/kmemleak.c:771) 
[ 88.363574][ T1045] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 88.363868][ T1045] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 88.364166][ T1045] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 88.364529][ T1045] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 88.364830][ T1045] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 88.365136][ T1045] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 88.365431][ T1045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 88.365728][ T1045] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 88.366027][ T1045] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 88.366318][ T1045] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 88.366612][ T1045] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 88.366903][ T1045] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 88.367219][ T1045] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 88.367517][ T1045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 88.367818][ T1045] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 88.368117][ T1045] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 88.368413][ T1045] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 88.368717][ T1045] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 88.369016][ T1045] ? 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) 
[ 88.369312][ T1045] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 88.369608][ T1045] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 88.369902][ T1045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 88.370206][ T1045] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 88.370502][ T1045] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 88.370795][ T1045] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 88.371103][ T1045] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 88.371398][ T1045] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 88.371687][ T1045] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 88.372074][ T1045] ___sys_sendmsg (net/socket.c:2670) 
[ 88.372366][ T1045] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 88.372654][ T1045] ? __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) 
[ 88.373026][ T1045] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 88.373321][ T1045] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 88.373617][ T1045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 88.373914][ T1045] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 88.374216][ T1045] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 88.374509][ T1045] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 88.374815][ T1045] __sys_sendmsg (net/socket.c:2700) 
[ 88.375118][ T1045] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 88.375481][ T1045] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 88.375787][ T1045] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 88.376087][ T1045] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 88.376384][ T1045] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   88.376746][ T1045] RIP: 0033:0x7f561a86a1e7
[ 88.377057][ T1045] 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)
[   88.378103][ T1045] RSP: 002b:00007ffe8608cc98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   88.378549][ T1045] RAX: ffffffffffffffda RBX: 00007ffe8608d3d0 RCX: 00007f561a86a1e7
[   88.378986][ T1045] RDX: 0000000000000000 RSI: 00007ffe8608cd00 RDI: 0000000000000005
[   88.379431][ T1045] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   88.379869][ T1045] R10: 000000000c410910 R11: 0000000000000246 R12: 0000000000000003
[   88.380315][ T1045] R13: 00000000686e24d6 R14: 0000000000499600 R15: 0000000000000000
| [   89.098108][ T1052] ------------[ cut here ]------------
| [ 89.098420][ T1052] WARNING: CPU: 3 PID: 1052 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   89.099985][ T1052] Modules linked in: vxlan pktgen act_mirred act_tunnel_key cls_flower bareudp mpls_gso mpls_iptunnel mpls_router sch_ingress
| [   89.101374][ T1052] Tainted: [W]=WARN
[   89.101602][ T1052] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 89.101978][ T1052] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 89.102290][ T1052] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   89.103349][ T1052] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   89.103736][ T1052] RAX: 0000000000000000 RBX: ffff888009f72000 RCX: 0000000000000001
[   89.104183][ T1052] RDX: 0000000000000000 RSI: ffffffffa3510759 RDI: ffffffffa2c58280
[   89.104624][ T1052] RBP: ffffc900005e6fd8 R08: 0000000000000000 R09: 0000000000000000
[   89.105114][ T1052] R10: ffffc900005e7008 R11: ffffffffa48ceab8 R12: 1ffff920000bcde2
[   89.105559][ T1052] R13: 00000000000005aa R14: ffffc900005e7008 R15: ffff888009f72f48
[   89.106013][ T1052] FS:  00007fc6cf0fe800(0000) GS:ffff8880c7519000(0000) knlGS:0000000000000000
[   89.106533][ T1052] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.106903][ T1052] CR2: 00000000004e6888 CR3: 000000000bbd7005 CR4: 0000000000772ef0
[   89.107358][ T1052] PKRU: 55555554
[   89.107585][ T1052] Call Trace:
[   89.107807][ T1052]  <TASK>
[ 89.107962][ T1052] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 89.108287][ T1052] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 89.108584][ T1052] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 89.108950][ T1052] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 89.109256][ T1052] netif_set_mtu (net/core/dev.c:9652) 
[ 89.109552][ T1052] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 89.109863][ T1052] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 89.110246][ T1052] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 89.110473][ T1052] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 89.110774][ T1052] br_add_if (net/bridge/br_if.c:697) 
[ 89.111015][ T1052] do_set_master (net/core/rtnetlink.c:2948) 
[ 89.111313][ T1052] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 89.111613][ T1052] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 89.111918][ T1052] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 89.112309][ T1052] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 89.112616][ T1052] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 89.112911][ T1052] ? __kernel_text_address (kernel/extable.c:79) 
[ 89.113218][ T1052] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.113520][ T1052] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 89.113826][ T1052] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 89.114202][ T1052] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 89.114502][ T1052] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 89.114805][ T1052] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 89.115119][ T1052] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 89.115420][ T1052] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.115722][ T1052] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 89.116026][ T1052] ? __create_object (mm/kmemleak.c:771) 
[ 89.116336][ T1052] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 89.116642][ T1052] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 89.117429][ T1052] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 89.117805][ T1052] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 89.118333][ T1052] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 89.118639][ T1052] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 89.118939][ T1052] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.119249][ T1052] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.119557][ T1052] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 89.119862][ T1052] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 89.120178][ T1052] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 89.120479][ T1052] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 89.120782][ T1052] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 89.121087][ T1052] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.121390][ T1052] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 89.121690][ T1052] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 89.121987][ T1052] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 89.122303][ T1052] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 89.122600][ T1052] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 89.122897][ T1052] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 89.123412][ T1052] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 89.123710][ T1052] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.124027][ T1052] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 89.124327][ T1052] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 89.124624][ T1052] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 89.125162][ T1052] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 89.125699][ T1052] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 89.126219][ T1052] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 89.126603][ T1052] ___sys_sendmsg (net/socket.c:2670) 
[ 89.130060][ T1052] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 89.130363][ T1052] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 89.130743][ T1052] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 89.131068][ T1052] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.131383][ T1052] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.132769][ T1052] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.133092][ T1052] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 89.133402][ T1052] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 89.133722][ T1052] __sys_sendmsg (net/socket.c:2700) 
[ 89.134255][ T1052] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 89.134645][ T1052] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 89.134981][ T1052] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 89.136567][ T1052] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 89.136879][ T1052] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   89.137271][ T1052] RIP: 0033:0x7fc6cf2cb1e7
[ 89.137594][ T1052] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   89.138712][ T1052] RSP: 002b:00007ffdc0991fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   89.139187][ T1052] RAX: ffffffffffffffda RBX: 00007ffdc09926f0 RCX: 00007fc6cf2cb1e7
[   89.139637][ T1052] RDX: 0000000000000000 RSI: 00007ffdc0992020 RDI: 0000000000000005
[   89.140103][ T1052] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   89.140550][ T1052] R10: 0000000005c88910 R11: 0000000000000246 R12: 0000000000000003
[   89.141006][ T1052] R13: 00000000686e24d7 R14: 0000000000499600 R15: 0000000000000000
| [   90.177570][ T1062] ------------[ cut here ]------------
| [ 90.177892][ T1062] WARNING: CPU: 2 PID: 1062 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) 
| [   90.178522][ T1062] Modules linked in: vxlan pktgen act_mirred act_tunnel_key cls_flower bareudp mpls_gso mpls_iptunnel mpls_router sch_ingress
| [   90.180779][ T1062] Tainted: [W]=WARN
[   90.181023][ T1062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 90.181405][ T1062] 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) 
[ 90.181720][ T1062] 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
[   90.182791][ T1062] RSP: 0018:ffffc90000616ef0 EFLAGS: 00010246
[   90.183185][ T1062] RAX: 0000000000000000 RBX: ffff88800cb72000 RCX: 0000000000000001
[   90.183637][ T1062] RDX: 0000000000000000 RSI: ffffffffa3510759 RDI: ffffffffa2c58280
[   90.184094][ T1062] RBP: ffffc90000616fd8 R08: 0000000000000000 R09: 0000000000000000
[   90.184550][ T1062] R10: ffffc90000617008 R11: ffffffffa48ceab8 R12: 1ffff920000c2de2
[   90.185030][ T1062] R13: 00000000000005aa R14: ffffc90000617008 R15: ffff88800cb72f48
[   90.185484][ T1062] FS:  00007ffb6e083800(0000) GS:ffff8880c7499000(0000) knlGS:0000000000000000
[   90.186022][ T1062] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.186414][ T1062] CR2: 00000000004e6888 CR3: 0000000012fd3006 CR4: 0000000000772ef0
[   90.186870][ T1062] PKRU: 55555554
[   90.187113][ T1062] Call Trace:
[   90.187347][ T1062]  <TASK>
[ 90.187511][ T1062] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 90.187825][ T1062] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 90.188158][ T1062] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 90.188539][ T1062] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 90.188858][ T1062] netif_set_mtu (net/core/dev.c:9652) 
[ 90.189179][ T1062] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 90.189496][ T1062] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 90.189884][ T1062] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 90.190128][ T1062] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 90.190441][ T1062] br_add_if (net/bridge/br_if.c:697) 
[ 90.190686][ T1062] do_set_master (net/core/rtnetlink.c:2948) 
[ 90.191004][ T1062] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 90.191317][ T1062] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 90.191633][ T1062] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 90.192027][ T1062] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 90.192334][ T1062] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 90.192639][ T1062] ? __kernel_text_address (kernel/extable.c:79) 
[ 90.192949][ T1062] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.193277][ T1062] ? __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) 
[ 90.193587][ T1062] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 90.193965][ T1062] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 90.194284][ T1062] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 90.194590][ T1062] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 90.194904][ T1062] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 90.195221][ T1062] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.195534][ T1062] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 90.195839][ T1062] ? __create_object (mm/kmemleak.c:771) 
[ 90.196169][ T1062] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 90.196484][ T1062] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 90.196792][ T1062] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 90.197180][ T1062] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 90.197494][ T1062] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 90.197810][ T1062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 90.198131][ T1062] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.198451][ T1062] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.198756][ T1062] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 90.199070][ T1062] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 90.199381][ T1062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 90.199689][ T1062] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 90.200005][ T1062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 90.200323][ T1062] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.200636][ T1062] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 90.200944][ T1062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 90.201258][ T1062] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 90.201580][ T1062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 90.201886][ T1062] ? 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) 
[ 90.202204][ T1062] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 90.202517][ T1062] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 90.203045][ T1062] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.203357][ T1062] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 90.203668][ T1062] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 90.203976][ T1062] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 90.204304][ T1062] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 90.204616][ T1062] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 90.204927][ T1062] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 90.205332][ T1062] ___sys_sendmsg (net/socket.c:2670) 
[ 90.205640][ T1062] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 90.205947][ T1062] ? __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) 
[ 90.206338][ T1062] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 90.206859][ T1062] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.207180][ T1062] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.207493][ T1062] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.207803][ T1062] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 90.208117][ T1062] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 90.208432][ T1062] __sys_sendmsg (net/socket.c:2700) 
[ 90.208739][ T1062] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 90.209132][ T1062] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 90.209452][ T1062] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 90.209759][ T1062] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 90.210085][ T1062] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   90.211343][ T1062] RIP: 0033:0x7ffb6e2501e7
[ 90.211880][ T1062] 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)
[   90.212950][ T1062] RSP: 002b:00007fff625cda98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   90.213418][ T1062] RAX: ffffffffffffffda RBX: 00007fff625ce1d0 RCX: 00007ffb6e2501e7
[   90.214314][ T1062] RDX: 0000000000000000 RSI: 00007fff625cdb00 RDI: 0000000000000005
[   90.214766][ T1062] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   90.215460][ T1062] R10: 0000000007f8f910 R11: 0000000000000246 R12: 0000000000000003
[   90.215919][ T1062] R13: 00000000686e24d8 R14: 0000000000499600 R15: 0000000000000000
| [   93.277320][   T66] ------------[ cut here ]------------
| [ 93.277759][ T66] WARNING: CPU: 2 PID: 66 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   93.278320][   T66] Modules linked in: vxlan pktgen act_mirred act_tunnel_key cls_flower bareudp mpls_gso mpls_iptunnel mpls_router sch_ingress
| [   93.279958][   T66] Tainted: [W]=WARN
[   93.280213][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.280612][   T66] Workqueue: netns cleanup_net
[ 93.280950][ T66] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 93.281297][ T66] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   93.282427][   T66] RSP: 0018:ffffc90000477360 EFLAGS: 00010246
[   93.282832][   T66] RAX: 0000000000000000 RBX: ffff88800cb72000 RCX: 0000000000000001
[   93.283315][   T66] RDX: 0000000000000000 RSI: ffffffffa3510759 RDI: ffffffffa2c58280
[   93.283789][   T66] RBP: ffffc90000477450 R08: 0000000000000000 R09: 0000000000000000
[   93.284272][   T66] R10: ffffc90000477480 R11: ffffffff9f8be86a R12: 1ffff9200008ee70
[   93.284743][   T66] R13: 00000000000005dc R14: ffffc90000477480 R15: ffff88800cb72f48
[   93.285230][   T66] FS:  0000000000000000(0000) GS:ffff8880c7499000(0000) knlGS:0000000000000000
[   93.285782][   T66] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.286192][   T66] CR2: 0000000000406141 CR3: 000000002734a003 CR4: 0000000000772ef0
[   93.286669][   T66] PKRU: 55555554
[   93.286912][   T66] Call Trace:
[   93.287164][   T66]  <TASK>
[ 93.287339][ T66] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 93.287661][ T66] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 93.288063][ T66] ? br_del_if (net/bridge/br_if.c:742) 
[ 93.288310][ T66] ? br_device_event (net/bridge/br.c:141) 
[ 93.288629][ T66] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 93.288945][ T66] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 93.289276][ T66] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 93.289675][ T66] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 93.290076][ T66] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 93.290396][ T66] ? cleanup_net (net/core/net_namespace.c:684) 
[ 93.290712][ T66] ? process_one_work (kernel/workqueue.c:3238) 
[ 93.291039][ T66] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 93.291356][ T66] ? kthread (kernel/kthread.c:464) 
[ 93.291598][ T66] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 93.291919][ T66] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 93.292258][ T66] netif_set_mtu (net/core/dev.c:9652) 
[ 93.292577][ T66] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 93.292910][ T66] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 93.293166][ T66] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 93.293487][ T66] br_del_if (net/bridge/br_if.c:743) 
[ 93.293734][ T66] br_device_event (net/bridge/br.c:141) 
[ 93.294063][ T66] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 93.294400][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 93.294723][ T66] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 93.295139][ T66] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 93.295548][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 93.295951][ T66] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 93.296295][ T66] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 93.296706][ T66] ? pktgen_find_dev (./arch/x86/include/asm/jump_label.h:36 net/core/pktgen.c:3788) pktgen 
[ 93.297251][ T66] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 93.297898][ T66] ? pktgen_device_event (net/core/pktgen.c:2133) pktgen 
[ 93.298307][ T66] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 93.298858][ T66] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 93.299489][ T66] ? 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) 
[ 93.299809][ T66] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 93.300214][ T66] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 93.300605][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 93.301228][ T66] ? vrf_dellink (drivers/net/vrf.c:1665) 
[ 93.301545][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 93.301946][ T66] default_device_exit_batch (net/core/dev.c:12673) 
[ 93.302285][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 93.302692][ T66] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 93.303040][ T66] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 93.303365][ T66] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 93.303696][ T66] cleanup_net (net/core/net_namespace.c:684) 
[ 93.304027][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 93.304349][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 93.304669][ T66] process_one_work (kernel/workqueue.c:3238) 
[ 93.305162][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 93.305625][ T66] ? assign_work (kernel/workqueue.c:1200) 
[ 93.305949][ T66] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 93.306287][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 93.306610][ T66] kthread (kernel/kthread.c:464) 
[ 93.306856][ T66] ? __pfx_kthread (kernel/kthread.c:413) 
[ 93.307182][ T66] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 93.307500][ T66] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 93.307819][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 93.308154][ T66] ? __pfx_kthread (kernel/kthread.c:413) 
[ 93.308697][ T66] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 93.309025][ T66] ? __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