======================================
| [   23.158066][  T348] br1: port 1(vx100) entered forwarding state
| [   23.160231][  T348] ------------[ cut here ]------------
| [ 23.160809][ T348] WARNING: CPU: 0 PID: 348 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.161942][  T348] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.166004][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.166724][ T348] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.167331][ T348] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.169364][  T348] RSP: 0018:ffffc90000606ef0 EFLAGS: 00010246
[   23.170101][  T348] RAX: 0000000000000000 RBX: ffff88800c8aa000 RCX: 0000000000000001
[   23.170950][  T348] RDX: 0000000000000000 RSI: ffffffff90a9b941 RDI: ffffffff902555e0
[   23.171801][  T348] RBP: ffffc90000606fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.172667][  T348] R10: ffffc90000607010 R11: ffffffff918a8918 R12: 1ffff920000c0de2
[   23.173521][  T348] R13: 00000000000005dc R14: ffffc90000607010 R15: ffff88800c8aaf08
[   23.174385][  T348] FS:  00007fcaf5b82800(0000) GS:ffff8880a36b7000(0000) knlGS:0000000000000000
[   23.175375][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.176101][  T348] CR2: 00000000004e6890 CR3: 000000000be37003 CR4: 0000000000772ef0
[   23.176954][  T348] PKRU: 55555554
[   23.177404][  T348] Call Trace:
[   23.177827][  T348]  <TASK>
[ 23.178499][ T348] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.179098][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.179672][ T348] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.180235][ T348] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.180937][ T348] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.181514][ T348] netif_set_mtu (net/core/dev.c:9652) 
[ 23.182096][ T348] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.182681][ T348] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.183468][ T348] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.183891][ T348] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.184671][ T348] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.185341][ T348] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.185911][ T348] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.186488][ T348] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.187223][ T348] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.187783][ T348] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.188361][ T348] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.188941][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.189517][ T348] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.190097][ T348] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.190793][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.191375][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.191934][ T348] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.192507][ T348] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.193083][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.193655][ T348] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.194221][ T348] ? __create_object (mm/kmemleak.c:771) 
[ 23.194788][ T348] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.195362][ T348] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.195926][ T348] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.196630][ T348] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.197240][ T348] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.197817][ T348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.198387][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.198962][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.199537][ T348] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.200104][ T348] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.200667][ T348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.201236][ T348] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.201799][ T348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.202385][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.202953][ T348] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.203520][ T348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.204091][ T348] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.204676][ T348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.205248][ T348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.205819][ T348] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.206399][ T348] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.206957][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.207549][ T348] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.208162][ T348] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.208727][ T348] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.209329][ T348] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.209895][ T348] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.210458][ T348] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.211193][ T348] ___sys_sendmsg (net/socket.c:2670) 
[ 23.211742][ T348] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.212315][ T348] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.213526][ T348] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.214534][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.215113][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.216161][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.216721][ T348] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.217293][ T348] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.217877][ T348] __sys_sendmsg (net/socket.c:2700) 
[ 23.218440][ T348] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.219145][ T348] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.219734][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.220741][ T348] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.221317][ T348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.222037][  T348] RIP: 0033:0x7fcaf5d4f1e7
[ 23.222626][ T348] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.230966][  T348] RSP: 002b:00007fffe5caf008 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.231443][  T348] RAX: ffffffffffffffda RBX: 00007fffe5caf730 RCX: 00007fcaf5d4f1e7
[   23.231914][  T348] RDX: 0000000000000000 RSI: 00007fffe5caf070 RDI: 0000000000000005
[   23.232620][  T348] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.233107][  T348] R10: 000000003b5de910 R11: 0000000000000246 R12: 0000000000000004
[   23.233595][  T348] R13: 00000000686e4a18 R14: 0000000000499600 R15: 0000000000000000
| [   23.496922][  T350] ------------[ cut here ]------------
| [ 23.497317][ T350] WARNING: CPU: 2 PID: 350 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.497966][  T350] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.499317][  T350] Tainted: [W]=WARN
[   23.499566][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.499968][ T350] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.500314][ T350] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.501483][  T350] RSP: 0018:ffffc90000616ef0 EFLAGS: 00010246
[   23.501891][  T350] RAX: 0000000000000000 RBX: ffff88800c8aa000 RCX: 0000000000000001
[   23.502400][  T350] RDX: 0000000000000000 RSI: ffffffff90a9b941 RDI: ffffffff902555e0
[   23.502880][  T350] RBP: ffffc90000616fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.503384][  T350] R10: ffffc90000617010 R11: ffffffff918a8918 R12: 1ffff920000c2de2
[   23.503856][  T350] R13: 00000000000005dc R14: ffffc90000617010 R15: ffff88800c8aaf08
[   23.504344][  T350] FS:  00007f0d7ba8b800(0000) GS:ffff8880a37b7000(0000) knlGS:0000000000000000
[   23.504895][  T350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.505302][  T350] CR2: 00000000004e5aa8 CR3: 000000000a9c6005 CR4: 0000000000772ef0
[   23.505779][  T350] PKRU: 55555554
[   23.506047][  T350] Call Trace:
[   23.506294][  T350]  <TASK>
[ 23.506473][ T350] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.506797][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.507182][ T350] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.507503][ T350] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.507895][ T350] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.508230][ T350] netif_set_mtu (net/core/dev.c:9652) 
[ 23.508554][ T350] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.508892][ T350] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.509373][ T350] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.509624][ T350] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.510093][ T350] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.510481][ T350] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.510807][ T350] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.511144][ T350] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.511603][ T350] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.511925][ T350] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.512256][ T350] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.512581][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.512904][ T350] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.513234][ T350] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.513633][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.514037][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.514373][ T350] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.514691][ T350] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.515062][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.515392][ T350] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.515719][ T350] ? __create_object (mm/kmemleak.c:771) 
[ 23.516162][ T350] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.516492][ T350] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.516815][ T350] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.517253][ T350] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.517599][ T350] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.517925][ T350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.518267][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.518649][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.518971][ T350] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.519317][ T350] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.519648][ T350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.519963][ T350] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.520322][ T350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.520657][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.521015][ T350] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.521358][ T350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.521707][ T350] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.522068][ T350] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.522410][ T350] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.522729][ T350] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.523094][ T350] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.523443][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.523771][ T350] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.524136][ T350] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.524459][ T350] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.524808][ T350] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.525178][ T350] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.525496][ T350] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.525898][ T350] ___sys_sendmsg (net/socket.c:2670) 
[ 23.526234][ T350] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.526610][ T350] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.527040][ T350] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.527387][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.527726][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.528099][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.528419][ T350] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.528736][ T350] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.529093][ T350] __sys_sendmsg (net/socket.c:2700) 
[ 23.529421][ T350] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.529812][ T350] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.530166][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.530488][ T350] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.530813][ T350] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.531213][  T350] RIP: 0033:0x7f0d7bc581e7
[ 23.531572][ T350] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.532685][  T350] RSP: 002b:00007ffc0e8512c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.533169][  T350] RAX: ffffffffffffffda RBX: 00007ffc0e8519f0 RCX: 00007f0d7bc581e7
[   23.533683][  T350] RDX: 0000000000000000 RSI: 00007ffc0e851330 RDI: 0000000000000005
[   23.534188][  T350] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.534668][  T350] R10: 000000001b64f910 R11: 0000000000000246 R12: 0000000000000004
[   23.535162][  T350] R13: 00000000686e4a19 R14: 0000000000499600 R15: 0000000000000000
| [   23.894703][  T353] ------------[ cut here ]------------
| [ 23.895029][ T353] WARNING: CPU: 0 PID: 353 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.895636][  T353] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.896926][  T353] Tainted: [W]=WARN
[   23.897189][  T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.897569][ T353] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.897883][ T353] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.898992][  T353] RSP: 0018:ffffc90000516ef0 EFLAGS: 00010246
[   23.899379][  T353] RAX: 0000000000000000 RBX: ffff88800c8aa000 RCX: 0000000000000001
[   23.899832][  T353] RDX: 0000000000000000 RSI: ffffffff90a9b941 RDI: ffffffff902555e0
[   23.900304][  T353] RBP: ffffc90000516fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.900761][  T353] R10: ffffc90000517010 R11: ffffffff918a8918 R12: 1ffff920000a2de2
[   23.901240][  T353] R13: 00000000000005dc R14: ffffc90000517010 R15: ffff88800c8aaf08
[   23.901699][  T353] FS:  00007f38ec908800(0000) GS:ffff8880a36b7000(0000) knlGS:0000000000000000
[   23.902400][  T353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.902796][  T353] CR2: 00000000004e5ab0 CR3: 000000000284a001 CR4: 0000000000772ef0
[   23.903385][  T353] PKRU: 55555554
[   23.903618][  T353] Call Trace:
[   23.903849][  T353]  <TASK>
[ 23.904015][ T353] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.904323][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.904640][ T353] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.904956][ T353] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.905353][ T353] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.905664][ T353] netif_set_mtu (net/core/dev.c:9652) 
[ 23.905972][ T353] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.906312][ T353] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.906744][ T353] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.906977][ T353] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.907467][ T353] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.907818][ T353] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.908143][ T353] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.908453][ T353] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.908840][ T353] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.909159][ T353] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.909468][ T353] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.909779][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.910108][ T353] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.910441][ T353] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.910819][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.911138][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.911439][ T353] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.911747][ T353] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.912083][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.912413][ T353] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.912718][ T353] ? __create_object (mm/kmemleak.c:771) 
[ 23.913037][ T353] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.913343][ T353] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.913648][ T353] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.914050][ T353] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.914370][ T353] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.914677][ T353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.914991][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.915309][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.915614][ T353] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.915915][ T353] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.916236][ T353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.916546][ T353] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.916858][ T353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.917219][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.917532][ T353] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.917836][ T353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.918159][ T353] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.918472][ T353] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.918773][ T353] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.919091][ T353] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.919398][ T353] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.919698][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.920019][ T353] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.920331][ T353] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.920636][ T353] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.920950][ T353] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.921284][ T353] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.921592][ T353] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.922063][ T353] ___sys_sendmsg (net/socket.c:2670) 
[ 23.922373][ T353] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.922681][ T353] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.923076][ T353] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.923386][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.923697][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.924017][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.924327][ T353] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.924636][ T353] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.924951][ T353] __sys_sendmsg (net/socket.c:2700) 
[ 23.925266][ T353] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.925648][ T353] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.926011][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.926324][ T353] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.926631][ T353] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.927016][  T353] RIP: 0033:0x7f38ecad51e7
[ 23.927381][ T353] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.928481][  T353] RSP: 002b:00007fffce679fa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.928946][  T353] RAX: ffffffffffffffda RBX: 00007fffce67a6d0 RCX: 00007f38ecad51e7
[   23.929414][  T353] RDX: 0000000000000000 RSI: 00007fffce67a010 RDI: 0000000000000005
[   23.929870][  T353] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.930352][  T353] R10: 0000000036d47910 R11: 0000000000000246 R12: 0000000000000004
[   23.930812][  T353] R13: 00000000686e4a19 R14: 0000000000499600 R15: 0000000000000000
| [   28.611971][  T400] ------------[ cut here ]------------
| [ 28.612322][ T400] WARNING: CPU: 3 PID: 400 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   28.612949][  T400] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   28.614246][  T400] Tainted: [W]=WARN
[   28.614481][  T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.614866][ T400] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 28.615194][ T400] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   28.616277][  T400] RSP: 0018:ffffc90000a66ef0 EFLAGS: 00010246
[   28.616671][  T400] RAX: 0000000000000000 RBX: ffff88801739a000 RCX: 0000000000000001
[   28.617152][  T400] RDX: 0000000000000000 RSI: ffffffff90a9b941 RDI: ffffffff902555e0
[   28.617611][  T400] RBP: ffffc90000a66fe0 R08: 0000000000000000 R09: 0000000000000000
[   28.618370][  T400] R10: ffffc90000a67010 R11: ffffffff90f79160 R12: 1ffff9200014cde2
[   28.618838][  T400] R13: 00000000000005dc R14: ffffc90000a67010 R15: ffff88801739af08
[   28.619454][  T400] FS:  00007fb7583d9800(0000) GS:ffff8880a3837000(0000) knlGS:0000000000000000
[   28.620052][  T400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.620436][  T400] CR2: 00000000004e6898 CR3: 000000000b82d001 CR4: 0000000000772ef0
[   28.620892][  T400] PKRU: 55555554
[   28.621137][  T400] Call Trace:
[   28.621370][  T400]  <TASK>
[ 28.621528][ T400] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.621839][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.622166][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.622475][ T400] netif_set_mtu (net/core/dev.c:9652) 
[ 28.622781][ T400] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.623119][ T400] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.623354][ T400] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 28.623825][ T400] br_add_if (net/bridge/br_if.c:697) bridge 
[ 28.624196][ T400] do_set_master (net/core/rtnetlink.c:2948) 
[ 28.624517][ T400] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 28.624825][ T400] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.625227][ T400] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.625535][ T400] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.625844][ T400] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.626169][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.626481][ T400] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 28.626787][ T400] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.627206][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.627521][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.627822][ T400] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 28.628138][ T400] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 28.628459][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.628768][ T400] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.629086][ T400] ? __create_object (mm/kmemleak.c:771) 
[ 28.629397][ T400] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 28.629706][ T400] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 28.630030][ T400] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.630412][ T400] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 28.630735][ T400] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.631082][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.631387][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.631698][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.632020][ T400] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.632323][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.632630][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.632937][ T400] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.633269][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.633578][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.633890][ T400] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.634218][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.634527][ T400] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.634843][ T400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.635163][ T400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 28.635488][ T400] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 28.635797][ T400] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.636117][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.636432][ T400] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.636742][ T400] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.637062][ T400] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.637392][ T400] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.637702][ T400] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.638030][ T400] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.638432][ T400] ___sys_sendmsg (net/socket.c:2670) 
[ 28.638734][ T400] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.639049][ T400] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 28.639438][ T400] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.639750][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.640078][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.640391][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.640697][ T400] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 28.641018][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.641333][ T400] __sys_sendmsg (net/socket.c:2700) 
[ 28.641638][ T400] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.642030][ T400] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.642347][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.642663][ T400] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.642972][ T400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.643373][  T400] RIP: 0033:0x7fb7585a61e7
[ 28.643689][ T400] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   28.644800][  T400] RSP: 002b:00007ffdc19cdc48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.645274][  T400] RAX: ffffffffffffffda RBX: 00007ffdc19ce370 RCX: 00007fb7585a61e7
[   28.645731][  T400] RDX: 0000000000000000 RSI: 00007ffdc19cdcb0 RDI: 0000000000000005
[   28.646293][  T400] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.646766][  T400] R10: 0000000023226910 R11: 0000000000000246 R12: 0000000000000004
[   28.647258][  T400] R13: 00000000686e4a1e R14: 0000000000499600 R15: 0000000000000000
| [   29.460663][  T407] ------------[ cut here ]------------
| [ 29.460974][ T407] WARNING: CPU: 1 PID: 407 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   29.461768][  T407] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.463354][  T407] Tainted: [W]=WARN
[   29.463589][  T407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.463966][ T407] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 29.464488][ T407] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   29.465813][  T407] RSP: 0018:ffffc90000b86ef0 EFLAGS: 00010246
[   29.466355][  T407] RAX: 0000000000000000 RBX: ffff88801739a000 RCX: 0000000000000001
[   29.466818][  T407] RDX: 0000000000000000 RSI: ffffffff90a9b941 RDI: ffffffff902555e0
[   29.467464][  T407] RBP: ffffc90000b86fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.467924][  T407] R10: ffffc90000b87010 R11: ffffffff918a8918 R12: 1ffff92000170de2
[   29.468443][  T407] R13: 00000000000005dc R14: ffffc90000b87010 R15: ffff88801739af08
[   29.468901][  T407] FS:  00007fb43a934800(0000) GS:ffff8880a3737000(0000) knlGS:0000000000000000
[   29.469448][  T407] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.469841][  T407] CR2: 00000000004e6898 CR3: 000000000a83f003 CR4: 0000000000772ef0
[   29.470316][  T407] PKRU: 55555554
[   29.470546][  T407] Call Trace:
[   29.470775][  T407]  <TASK>
[ 29.470934][ T407] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.471254][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.471570][ T407] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 29.471873][ T407] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 29.472281][ T407] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 29.472598][ T407] netif_set_mtu (net/core/dev.c:9652) 
[ 29.472907][ T407] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.473237][ T407] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 29.473674][ T407] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.473909][ T407] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.474340][ T407] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.474695][ T407] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.475023][ T407] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.475337][ T407] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.475722][ T407] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.476041][ T407] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.476350][ T407] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.476660][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.477001][ T407] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 29.477329][ T407] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.477707][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.478029][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.478334][ T407] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.478635][ T407] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.478941][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.479261][ T407] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.479580][ T407] ? __create_object (mm/kmemleak.c:771) 
[ 29.479973][ T407] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.480521][ T407] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.481046][ T407] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.481657][ T407] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.482202][ T407] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.482741][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.483306][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.483872][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.484424][ T407] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.484971][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.485541][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.486068][ T407] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.486601][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.487194][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.487768][ T407] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.488306][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.488841][ T407] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.489405][ T407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.489913][ T407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 29.490442][ T407] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.490977][ T407] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.491587][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.492135][ T407] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.492674][ T407] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.493218][ T407] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.493761][ T407] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.494300][ T407] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.494961][ T407] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.495676][ T407] ___sys_sendmsg (net/socket.c:2670) 
[ 29.496216][ T407] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.496749][ T407] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 29.497426][ T407] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.498007][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.498542][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.499092][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.499634][ T407] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.500166][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.500712][ T407] __sys_sendmsg (net/socket.c:2700) 
[ 29.501238][ T407] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.501952][ T407] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.502559][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.503132][ T407] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.503649][ T407] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.504212][  T407] RIP: 0033:0x7fb43ab011e7
[ 29.504532][ T407] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   29.505655][  T407] RSP: 002b:00007ffdade989c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.506380][  T407] RAX: ffffffffffffffda RBX: 00007ffdade990f0 RCX: 00007fb43ab011e7
[   29.506848][  T407] RDX: 0000000000000000 RSI: 00007ffdade98a30 RDI: 0000000000000005
[   29.507332][  T407] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.507803][  T407] R10: 000000002007a910 R11: 0000000000000246 R12: 0000000000000004
[   29.508314][  T407] R13: 00000000686e4a1f R14: 0000000000499600 R15: 0000000000000000
| [   33.814909][  T448] ------------[ cut here ]------------
| [ 33.815836][ T448] WARNING: CPU: 1 PID: 448 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) 
| [   33.816463][  T448] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   33.817833][  T448] Tainted: [W]=WARN
[   33.818087][  T448] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.818469][ T448] 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) 
[ 33.818816][ T448] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.819930][  T448] RSP: 0018:ffffc90000d06ef0 EFLAGS: 00010246
[   33.820328][  T448] RAX: 0000000000000000 RBX: ffff88800b952000 RCX: 0000000000000001
[   33.820783][  T448] RDX: 0000000000000000 RSI: ffffffff90a9b941 RDI: ffffffff902555e0
[   33.821246][  T448] RBP: ffffc90000d06fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.821704][  T448] R10: ffffc90000d07010 R11: ffffffff90f79160 R12: 1ffff920001a0de2
[   33.822170][  T448] R13: 00000000000005dc R14: ffffc90000d07010 R15: ffff88800b952f08
[   33.822622][  T448] FS:  00007f175e13d800(0000) GS:ffff8880a3737000(0000) knlGS:0000000000000000
[   33.823166][  T448] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.823548][  T448] CR2: 00000000004e6898 CR3: 000000000fb72005 CR4: 0000000000772ef0
[   33.824045][  T448] PKRU: 55555554
[   33.824278][  T448] Call Trace:
[   33.824505][  T448]  <TASK>
[ 33.824662][ T448] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.824971][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.825449][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.825756][ T448] netif_set_mtu (net/core/dev.c:9652) 
[ 33.826193][ T448] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.826524][ T448] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.826756][ T448] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.827234][ T448] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.827591][ T448] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.827903][ T448] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.828221][ T448] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.828604][ T448] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.828914][ T448] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.829245][ T448] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.829554][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.829863][ T448] ? __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) 
[ 33.830176][ T448] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.830585][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.830895][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.831217][ T448] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.831549][ T448] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.831859][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.832179][ T448] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.832482][ T448] ? __create_object (mm/kmemleak.c:771) 
[ 33.832792][ T448] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.833106][ T448] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.833410][ T448] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.833861][ T448] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.834181][ T448] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.834492][ T448] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.834796][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.835146][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.835453][ T448] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.835752][ T448] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.836069][ T448] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.836377][ T448] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.836698][ T448] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.837018][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.837366][ T448] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.837673][ T448] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.838044][ T448] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.838370][ T448] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.838679][ T448] ? 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) 
[ 33.838997][ T448] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.839308][ T448] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.839609][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.839917][ T448] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.840233][ T448] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.840537][ T448] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.840852][ T448] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.841173][ T448] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.841498][ T448] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.841888][ T448] ___sys_sendmsg (net/socket.c:2670) 
[ 33.842204][ T448] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.842513][ T448] ? __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) 
[ 33.842892][ T448] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.843226][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.843535][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.843845][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.844164][ T448] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.844472][ T448] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.844810][ T448] __sys_sendmsg (net/socket.c:2700) 
[ 33.845119][ T448] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.845503][ T448] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.845817][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.846135][ T448] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.846443][ T448] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.846825][  T448] RIP: 0033:0x7f175e30a1e7
[ 33.847157][ T448] 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)
[   33.848277][  T448] RSP: 002b:00007ffdd8edeb38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.848739][  T448] RAX: ffffffffffffffda RBX: 00007ffdd8edf260 RCX: 00007f175e30a1e7
[   33.849204][  T448] RDX: 0000000000000000 RSI: 00007ffdd8edeba0 RDI: 0000000000000005
[   33.849662][  T448] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.850128][  T448] R10: 000000003818a910 R11: 0000000000000246 R12: 0000000000000004
[   33.850583][  T448] R13: 00000000686e4a23 R14: 0000000000499600 R15: 0000000000000000
| [   34.753826][  T455] ------------[ cut here ]------------
| [ 34.754153][ T455] WARNING: CPU: 3 PID: 455 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   34.754755][  T455] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   34.756013][  T455] Tainted: [W]=WARN
[   34.756249][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.756628][ T455] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 34.756948][ T455] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.758314][  T455] RSP: 0018:ffffc90000d76ef0 EFLAGS: 00010246
[   34.758701][  T455] RAX: 0000000000000000 RBX: ffff88800b952000 RCX: 0000000000000001
[   34.759307][  T455] RDX: 0000000000000000 RSI: ffffffff90a9b941 RDI: ffffffff902555e0
[   34.759765][  T455] RBP: ffffc90000d76fe0 R08: 0000000000000000 R09: 0000000000000000
[   34.760433][  T455] R10: ffffc90000d77010 R11: ffffffff918a8918 R12: 1ffff920001aede2
[   34.760885][  T455] R13: 00000000000005dc R14: ffffc90000d77010 R15: ffff88800b952f08
[   34.761487][  T455] FS:  00007feb674c7800(0000) GS:ffff8880a3837000(0000) knlGS:0000000000000000
[   34.762104][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.762490][  T455] CR2: 00000000004e6898 CR3: 000000000fb72001 CR4: 0000000000772ef0
[   34.762946][  T455] PKRU: 55555554
[   34.763221][  T455] Call Trace:
[   34.763456][  T455]  <TASK>
[ 34.763615][ T455] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.763938][ T455] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.764258][ T455] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 34.764562][ T455] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 34.764947][ T455] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 34.765267][ T455] netif_set_mtu (net/core/dev.c:9652) 
[ 34.765577][ T455] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.765896][ T455] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 34.766340][ T455] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.766652][ T455] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.767415][ T455] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.767794][ T455] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.768121][ T455] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.768430][ T455] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.768816][ T455] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.769137][ T455] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.769446][ T455] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.769754][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.770072][ T455] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 34.770376][ T455] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.770752][ T455] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.771068][ T455] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.771384][ T455] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.771713][ T455] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.772034][ T455] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.772340][ T455] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.772642][ T455] ? __create_object (mm/kmemleak.c:771) 
[ 34.772950][ T455] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.773265][ T455] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.773574][ T455] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.773954][ T455] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.774273][ T455] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.774583][ T455] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.774894][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.775214][ T455] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.775519][ T455] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.775820][ T455] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.776134][ T455] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.776437][ T455] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.776742][ T455] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.777057][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.777374][ T455] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.777679][ T455] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.777997][ T455] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.778317][ T455] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.778619][ T455] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.778923][ T455] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.779237][ T455] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.779541][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.779850][ T455] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.780166][ T455] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.780476][ T455] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.780790][ T455] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.781109][ T455] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.781416][ T455] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.781806][ T455] ___sys_sendmsg (net/socket.c:2670) 
[ 34.782119][ T455] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.782424][ T455] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 34.782811][ T455] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.783127][ T455] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.783434][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.783742][ T455] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.784051][ T455] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.784355][ T455] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.784665][ T455] __sys_sendmsg (net/socket.c:2700) 
[ 34.784967][ T455] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.785355][ T455] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.785672][ T455] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.785989][ T455] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.786297][ T455] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.786672][  T455] RIP: 0033:0x7feb676941e7
[ 34.786995][ T455] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   34.788101][  T455] RSP: 002b:00007ffdaa1ed708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.788562][  T455] RAX: ffffffffffffffda RBX: 00007ffdaa1ede30 RCX: 00007feb676941e7
[   34.789021][  T455] RDX: 0000000000000000 RSI: 00007ffdaa1ed770 RDI: 0000000000000005
[   34.789485][  T455] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.789946][  T455] R10: 0000000036ae9910 R11: 0000000000000246 R12: 0000000000000004
[   34.790418][  T455] R13: 00000000686e4a24 R14: 0000000000499600 R15: 0000000000000000
| [   52.942530][  T578] ------------[ cut here ]------------
| [ 52.942853][ T578] WARNING: CPU: 3 PID: 578 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) 
| [   52.943725][  T578] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   52.944992][  T578] Tainted: [W]=WARN
[   52.945226][  T578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 52.945609][ T578] 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) 
[ 52.945930][ T578] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   52.947029][  T578] RSP: 0018:ffffc900011e6f70 EFLAGS: 00010246
[   52.947428][  T578] RAX: 0000000000000000 RBX: ffff88800c8aa000 RCX: 0000000000000001
[   52.947883][  T578] RDX: 0000000000000000 RSI: ffffffff90a9b941 RDI: ffffffff902555e0
[   52.948345][  T578] RBP: ffffc900011e7058 R08: 0000000000000000 R09: 0000000000000000
[   52.948805][  T578] R10: ffffc900011e7088 R11: ffffffff8ce00130 R12: 1ffff9200023cdf2
[   52.949274][  T578] R13: 00000000000005dc R14: ffffc900011e7088 R15: ffff88800c8aaf08
[   52.949741][  T578] FS:  00007f825df21800(0000) GS:ffff8880a3837000(0000) knlGS:0000000000000000
[   52.950282][  T578] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.950669][  T578] CR2: 00000000004e5ab0 CR3: 0000000008d13005 CR4: 0000000000772ef0
[   52.951139][  T578] PKRU: 55555554
[   52.951369][  T578] Call Trace:
[   52.951614][  T578]  <TASK>
[ 52.951779][ T578] ? __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) 
[ 52.952197][ T578] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 52.952566][ T578] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 52.952893][ T578] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 52.953221][ T578] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 52.953552][ T578] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 52.953871][ T578] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.954201][ T578] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.954524][ T578] ? ___sys_sendmsg (net/socket.c:2670) 
[ 52.954843][ T578] ? __sys_sendmsg (net/socket.c:2700) 
[ 52.955185][ T578] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.955503][ T578] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 52.955897][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.956244][ T578] netif_set_mtu (net/core/dev.c:9652) 
[ 52.956566][ T578] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 52.956899][ T578] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 52.957151][ T578] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 52.957607][ T578] br_del_if (net/bridge/br_if.c:743) bridge 
[ 52.957962][ T578] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 52.958297][ T578] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 52.958629][ T578] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 52.958952][ T578] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 52.959363][ T578] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 52.959681][ T578] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 52.960010][ T578] ? __kernel_text_address (kernel/extable.c:79) 
[ 52.960335][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.960659][ T578] ? __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) 
[ 52.960991][ T578] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 52.961384][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.961710][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.962036][ T578] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 52.962355][ T578] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 52.962667][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.962997][ T578] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 52.963316][ T578] ? __create_object (mm/kmemleak.c:771) 
[ 52.963644][ T578] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 52.963968][ T578] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 52.964292][ T578] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 52.964684][ T578] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 52.965021][ T578] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 52.965346][ T578] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.965663][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.966006][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.966330][ T578] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 52.966648][ T578] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.966969][ T578] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.967305][ T578] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 52.967628][ T578] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.967951][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.968292][ T578] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 52.968621][ T578] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.968940][ T578] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 52.969279][ T578] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 52.969599][ T578] ? 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) 
[ 52.969921][ T578] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 52.970253][ T578] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 52.970572][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.970903][ T578] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.971236][ T578] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 52.971558][ T578] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 52.971883][ T578] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.972220][ T578] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 52.972540][ T578] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 52.972949][ T578] ___sys_sendmsg (net/socket.c:2670) 
[ 52.973287][ T578] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 52.973607][ T578] ? __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) 
[ 52.974013][ T578] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 52.974338][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.974662][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.975000][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.975322][ T578] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 52.975649][ T578] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.975992][ T578] __sys_sendmsg (net/socket.c:2700) 
[ 52.976315][ T578] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 52.976711][ T578] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 52.977054][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.977387][ T578] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.977706][ T578] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   52.978116][  T578] RIP: 0033:0x7f825e0ee1e7
[ 52.978450][ T578] 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)
[   52.979600][  T578] RSP: 002b:00007fff4f898d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   52.980098][  T578] RAX: ffffffffffffffda RBX: 00007fff4f899440 RCX: 00007f825e0ee1e7
[   52.980592][  T578] RDX: 0000000000000000 RSI: 00007fff4f898d80 RDI: 0000000000000005
[   52.981078][  T578] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   52.981562][  T578] R10: 00007f825dfebee8 R11: 0000000000000246 R12: 0000000000000003
[   52.982050][  T578] R13: 00000000686e4a36 R14: 0000000000499600 R15: 0000000000000000
| [   53.362611][  T581] ------------[ cut here ]------------
| [ 53.362959][ T581] WARNING: CPU: 3 PID: 581 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   53.363617][  T581] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.364963][  T581] Tainted: [W]=WARN
[   53.365216][  T581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.365627][ T581] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 53.365959][ T581] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   53.367110][  T581] RSP: 0018:ffffc900010c6f70 EFLAGS: 00010246
[   53.367543][  T581] RAX: 0000000000000000 RBX: ffff88800c8aa000 RCX: 0000000000000001
[   53.368035][  T581] RDX: 0000000000000000 RSI: ffffffff90a9b941 RDI: ffffffff902555e0
[   53.368511][  T581] RBP: ffffc900010c7058 R08: 0000000000000000 R09: 0000000000000000
[   53.369003][  T581] R10: ffffc900010c7088 R11: ffffffff90f79160 R12: 1ffff92000218df2
[   53.369486][  T581] R13: 00000000000005dc R14: ffffc900010c7088 R15: ffff88800c8aaf08
[   53.369962][  T581] FS:  00007f3fa0c33800(0000) GS:ffff8880a3837000(0000) knlGS:0000000000000000
[   53.370528][  T581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.370928][  T581] CR2: 00000000004e5aa8 CR3: 0000000008d1f006 CR4: 0000000000772ef0
[   53.371414][  T581] PKRU: 55555554
[   53.371664][  T581] Call Trace:
[   53.371905][  T581]  <TASK>
[ 53.372076][ T581] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.372480][ T581] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.372838][ T581] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.373318][ T581] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.373642][ T581] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.373946][ T581] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.374484][ T581] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.374810][ T581] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.375379][ T581] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.375701][ T581] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.376070][ T581] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.376378][ T581] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.376769][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.377107][ T581] netif_set_mtu (net/core/dev.c:9652) 
[ 53.377445][ T581] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.377781][ T581] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.378030][ T581] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.378474][ T581] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.378826][ T581] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 53.379144][ T581] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.379452][ T581] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.379793][ T581] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.380202][ T581] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.380518][ T581] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.380837][ T581] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.381172][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.381502][ T581] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 53.381826][ T581] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.382243][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.382566][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.382888][ T581] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.383216][ T581] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.383538][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.383862][ T581] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.384189][ T581] ? __create_object (mm/kmemleak.c:771) 
[ 53.384513][ T581] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.384839][ T581] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.385186][ T581] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.385584][ T581] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.385908][ T581] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.386241][ T581] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.386561][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.386886][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.387224][ T581] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.387547][ T581] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.387857][ T581] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.388182][ T581] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.388502][ T581] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.388824][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.389159][ T581] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.389481][ T581] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.389807][ T581] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.390146][ T581] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.390464][ T581] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 53.390777][ T581] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.391105][ T581] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.391427][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.391754][ T581] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.392091][ T581] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.392412][ T581] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.392739][ T581] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.393072][ T581] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.393385][ T581] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.393776][ T581] ___sys_sendmsg (net/socket.c:2670) 
[ 53.394096][ T581] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.394421][ T581] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.394822][ T581] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.395155][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.395478][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.395788][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.396118][ T581] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.396431][ T581] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.396765][ T581] __sys_sendmsg (net/socket.c:2700) 
[ 53.397092][ T581] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.397500][ T581] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.397831][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.398162][ T581] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.398484][ T581] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.398880][  T581] RIP: 0033:0x7f3fa0e001e7
[ 53.399222][ T581] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   53.400375][  T581] RSP: 002b:00007fff520965c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.400854][  T581] RAX: ffffffffffffffda RBX: 00007fff52096cf0 RCX: 00007f3fa0e001e7
[   53.401345][  T581] RDX: 0000000000000000 RSI: 00007fff52096630 RDI: 0000000000000005
[   53.401826][  T581] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   53.402308][  T581] R10: 00007f3fa0cfdee8 R11: 0000000000000246 R12: 0000000000000003
[   53.402787][  T581] R13: 00000000686e4a37 R14: 0000000000499600 R15: 0000000000000000
| [   53.514104][  T582] ------------[ cut here ]------------
| [ 53.514417][ T582] WARNING: CPU: 1 PID: 582 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   53.515027][  T582] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.516280][  T582] Tainted: [W]=WARN
[   53.516511][  T582] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.516890][ T582] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 53.518707][ T582] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   53.519876][  T582] RSP: 0018:ffffc90001046f70 EFLAGS: 00010246
[   53.520269][  T582] RAX: 0000000000000000 RBX: ffff88800c8aa000 RCX: 0000000000000001
[   53.520728][  T582] RDX: 0000000000000000 RSI: ffffffff90a9b941 RDI: ffffffff902555e0
[   53.521189][  T582] RBP: ffffc90001047058 R08: 0000000000000000 R09: 0000000000000000
[   53.521646][  T582] R10: ffffc90001047088 R11: ffffffff90f79160 R12: 1ffff92000208df2
[   53.522105][  T582] R13: 00000000000005dc R14: ffffc90001047088 R15: ffff88800c8aaf08
[   53.522560][  T582] FS:  00007fd2373cf800(0000) GS:ffff8880a3737000(0000) knlGS:0000000000000000
[   53.523093][  T582] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.523480][  T582] CR2: 00000000004e73c0 CR3: 00000000025e7002 CR4: 0000000000772ef0
[   53.523936][  T582] PKRU: 55555554
[   53.524171][  T582] Call Trace:
[   53.524398][  T582]  <TASK>
[ 53.524551][ T582] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.524932][ T582] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.525295][ T582] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.525607][ T582] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.525908][ T582] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.526216][ T582] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.526521][ T582] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.526820][ T582] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.527131][ T582] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.527447][ T582] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.527746][ T582] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.528075][ T582] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.528450][ T582] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.528770][ T582] netif_set_mtu (net/core/dev.c:9652) 
[ 53.529081][ T582] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.529401][ T582] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.529631][ T582] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.530056][ T582] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.530406][ T582] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 53.530710][ T582] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.531023][ T582] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.531331][ T582] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.531716][ T582] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.532025][ T582] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.532325][ T582] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.532640][ T582] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.532946][ T582] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 53.533255][ T582] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.533633][ T582] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.533942][ T582] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.534252][ T582] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.534553][ T582] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.534861][ T582] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.535177][ T582] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.535478][ T582] ? __create_object (mm/kmemleak.c:771) 
[ 53.535782][ T582] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.536108][ T582] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.536412][ T582] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.536789][ T582] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.537109][ T582] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.537439][ T582] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.537767][ T582] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.538092][ T582] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.538402][ T582] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.538703][ T582] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.539017][ T582] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.539325][ T582] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.539629][ T582] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.539940][ T582] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.540258][ T582] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.540564][ T582] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.540868][ T582] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.541191][ T582] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.541494][ T582] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 53.541797][ T582] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.542120][ T582] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.542423][ T582] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.542731][ T582] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.543046][ T582] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.543357][ T582] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.543667][ T582] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.544004][ T582] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.544314][ T582] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.544701][ T582] ___sys_sendmsg (net/socket.c:2670) 
[ 53.545019][ T582] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.545323][ T582] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.545705][ T582] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.546022][ T582] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.546330][ T582] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.546641][ T582] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.546963][ T582] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.547304][ T582] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.547630][ T582] __sys_sendmsg (net/socket.c:2700) 
[ 53.547947][ T582] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.548348][ T582] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.548679][ T582] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.549018][ T582] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.549342][ T582] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.549738][  T582] RIP: 0033:0x7fd23759c1e7
[ 53.550080][ T582] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   53.551235][  T582] RSP: 002b:00007ffeb791a608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.551705][  T582] RAX: ffffffffffffffda RBX: 00007ffeb791ad30 RCX: 00007fd23759c1e7
[   53.552170][  T582] RDX: 0000000000000000 RSI: 00007ffeb791a670 RDI: 0000000000000005
[   53.552623][  T582] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   53.553084][  T582] R10: 00007fd237499ee8 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if