======================================
| [   23.504443][  T346] br1: port 1(vx100) entered forwarding state
| [   23.505620][  T346] ------------[ cut here ]------------
| [ 23.505954][ T346] WARNING: CPU: 3 PID: 346 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) 
| [   23.506602][  T346] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.508547][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.508956][ T346] 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) 
[ 23.509286][ T346] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   23.510406][  T346] RSP: 0018:ffffc90000676ef0 EFLAGS: 00010246
[   23.510887][  T346] RAX: 0000000000000000 RBX: ffff88800c09a000 RCX: 0000000000000001
[   23.511368][  T346] RDX: 0000000000000000 RSI: ffffffffb689b939 RDI: ffffffffb60555e0
[   23.511843][  T346] RBP: ffffc90000676fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.512310][  T346] R10: ffffc90000677010 R11: ffffffffb76a8918 R12: 1ffff920000cede2
[   23.512792][  T346] R13: 00000000000005dc R14: ffffc90000677010 R15: ffff88800c09af08
[   23.513262][  T346] FS:  00007f2e06d13800(0000) GS:ffff88807da37000(0000) knlGS:0000000000000000
[   23.513815][  T346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.514232][  T346] CR2: 00000000004e6890 CR3: 000000000dd76003 CR4: 0000000000772ef0
[   23.514705][  T346] PKRU: 55555554
[   23.514955][  T346] Call Trace:
[   23.515195][  T346]  <TASK>
[ 23.515359][ T346] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.515689][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.516011][ T346] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.516321][ T346] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.516717][ T346] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.517031][ T346] netif_set_mtu (net/core/dev.c:9652) 
[ 23.517339][ T346] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.517655][ T346] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.518098][ T346] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.518337][ T346] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.518792][ T346] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.519176][ T346] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 23.519487][ T346] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.519806][ T346] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.520202][ T346] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.520512][ T346] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.520827][ T346] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.521148][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.521461][ T346] ? __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) 
[ 23.521773][ T346] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.522161][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.522471][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.522777][ T346] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.523094][ T346] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.523402][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.523711][ T346] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.524024][ T346] ? __create_object (mm/kmemleak.c:771) 
[ 23.524336][ T346] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.524645][ T346] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.524957][ T346] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.525336][ T346] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.525655][ T346] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.525973][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.526278][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.526596][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.526902][ T346] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.527213][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.527520][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.527830][ T346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.528149][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.528477][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.528797][ T346] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.529125][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.529435][ T346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.529762][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.530080][ T346] ? 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) 
[ 23.530396][ T346] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.530718][ T346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.531033][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.531347][ T346] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.531660][ T346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.531976][ T346] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.532288][ T346] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.532609][ T346] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.532917][ T346] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.533319][ T346] ___sys_sendmsg (net/socket.c:2670) 
[ 23.533624][ T346] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.533926][ T346] ? __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) 
[ 23.534317][ T346] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.534627][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.534950][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.535264][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.535574][ T346] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.535880][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.536203][ T346] __sys_sendmsg (net/socket.c:2700) 
[ 23.536510][ T346] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.536905][ T346] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.537247][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.537564][ T346] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.537886][ T346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.538291][  T346] RIP: 0033:0x7f2e06ee01e7
[ 23.538658][ T346] 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)
[   23.539809][  T346] RSP: 002b:00007fff3ab04268 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.540368][  T346] RAX: ffffffffffffffda RBX: 00007fff3ab04990 RCX: 00007f2e06ee01e7
[   23.541165][  T346] RDX: 0000000000000000 RSI: 00007fff3ab042d0 RDI: 0000000000000005
[   23.541992][  T346] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.542814][  T346] R10: 000000000802f910 R11: 0000000000000246 R12: 0000000000000004
[   23.543636][  T346] R13: 00000000686e741e R14: 0000000000499600 R15: 0000000000000000
| [   23.811591][  T348] ------------[ cut here ]------------
| [ 23.811908][ T348] WARNING: CPU: 3 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) 
| [   23.812533][  T348] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.813828][  T348] Tainted: [W]=WARN
[   23.814071][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.814474][ 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) 
[ 23.814802][ T348] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   23.815927][  T348] RSP: 0018:ffffc90000576ef0 EFLAGS: 00010246
[   23.816337][  T348] RAX: 0000000000000000 RBX: ffff88800c09a000 RCX: 0000000000000001
[   23.816812][  T348] RDX: 0000000000000000 RSI: ffffffffb689b939 RDI: ffffffffb60555e0
[   23.817295][  T348] RBP: ffffc90000576fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.817759][  T348] R10: ffffc90000577010 R11: ffffffffb76a8918 R12: 1ffff920000aede2
[   23.818240][  T348] R13: 00000000000005dc R14: ffffc90000577010 R15: ffff88800c09af08
[   23.818727][  T348] FS:  00007f03d3345800(0000) GS:ffff88807da37000(0000) knlGS:0000000000000000
[   23.819281][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.819674][  T348] CR2: 00000000004e5aa8 CR3: 000000000dd76001 CR4: 0000000000772ef0
[   23.820155][  T348] PKRU: 55555554
[   23.820396][  T348] Call Trace:
[   23.820637][  T348]  <TASK>
[ 23.820799][ T348] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.821127][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.821444][ T348] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.821767][ T348] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.822172][ T348] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.822486][ T348] netif_set_mtu (net/core/dev.c:9652) 
[ 23.822809][ T348] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.823158][ T348] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.823609][ T348] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.823853][ T348] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.824305][ T348] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.824666][ T348] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 23.824999][ T348] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.825315][ T348] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.825713][ T348] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.826027][ T348] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.826342][ T348] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.826662][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.826984][ 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) 
[ 23.827301][ T348] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.827698][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.828020][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.828333][ T348] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.828640][ T348] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.828958][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.829264][ T348] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.829574][ T348] ? __create_object (mm/kmemleak.c:771) 
[ 23.829890][ T348] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.830212][ T348] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.830519][ T348] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.830905][ T348] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.831231][ T348] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.831541][ T348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.831859][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.832184][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.832490][ T348] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.832802][ T348] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.833127][ T348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.833442][ T348] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.833759][ T348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.834111][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.834424][ T348] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.834739][ T348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.835060][ T348] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.835378][ T348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.835692][ 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) 
[ 23.836010][ T348] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.836324][ T348] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.836628][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.836953][ T348] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.837266][ T348] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.837571][ T348] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.837883][ T348] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.838198][ T348] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.838526][ T348] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.838923][ T348] ___sys_sendmsg (net/socket.c:2670) 
[ 23.839245][ T348] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.839556][ 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) 
[ 23.839957][ T348] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.840274][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.840591][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.840903][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.841222][ 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) 
[ 23.841532][ T348] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.841856][ T348] __sys_sendmsg (net/socket.c:2700) 
[ 23.842174][ T348] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.842562][ T348] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.842880][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.843207][ T348] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.843514][ T348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.843904][  T348] RIP: 0033:0x7f03d35121e7
[ 23.844238][ 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)
[   23.845341][  T348] RSP: 002b:00007ffd8a27cd08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.845810][  T348] RAX: ffffffffffffffda RBX: 00007ffd8a27d430 RCX: 00007f03d35121e7
[   23.846282][  T348] RDX: 0000000000000000 RSI: 00007ffd8a27cd70 RDI: 0000000000000005
[   23.846741][  T348] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.847214][  T348] R10: 000000000b394910 R11: 0000000000000246 R12: 0000000000000004
[   23.847679][  T348] R13: 00000000686e741e R14: 0000000000499600 R15: 0000000000000000
| [   24.197613][  T351] ------------[ cut here ]------------
| [ 24.197950][ T351] WARNING: CPU: 2 PID: 351 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) 
| [   24.198581][  T351] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.199955][  T351] Tainted: [W]=WARN
[   24.200202][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.200595][ T351] 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) 
[ 24.200925][ T351] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   24.202210][  T351] RSP: 0018:ffffc90000686ef0 EFLAGS: 00010246
[   24.202803][  T351] RAX: 0000000000000000 RBX: ffff88800c09a000 RCX: 0000000000000001
[   24.203429][  T351] RDX: 0000000000000000 RSI: ffffffffb689b939 RDI: ffffffffb60555e0
[   24.203903][  T351] RBP: ffffc90000686fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.204396][  T351] R10: ffffc90000687010 R11: ffffffffb76a8918 R12: 1ffff920000d0de2
[   24.204874][  T351] R13: 00000000000005dc R14: ffffc90000687010 R15: ffff88800c09af08
[   24.205370][  T351] FS:  00007f8e393f3800(0000) GS:ffff88807d9b7000(0000) knlGS:0000000000000000
[   24.205925][  T351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.206334][  T351] CR2: 00000000004e5ab0 CR3: 000000000e55f005 CR4: 0000000000772ef0
[   24.206808][  T351] PKRU: 55555554
[   24.207057][  T351] Call Trace:
[   24.207298][  T351]  <TASK>
[ 24.207470][ T351] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.207787][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.208145][ T351] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.208489][ T351] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.208882][ T351] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.209219][ T351] netif_set_mtu (net/core/dev.c:9652) 
[ 24.209538][ T351] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.209865][ T351] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.210320][ T351] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.210577][ T351] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.211019][ T351] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.211387][ T351] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 24.211711][ T351] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.212059][ T351] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.212457][ T351] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.212777][ T351] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.213112][ T351] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.213436][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.213755][ T351] ? __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) 
[ 24.214085][ T351] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.214478][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.214806][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.215131][ T351] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.215460][ T351] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.215777][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.216118][ T351] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.216438][ T351] ? __create_object (mm/kmemleak.c:771) 
[ 24.216762][ T351] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.217093][ T351] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.217410][ T351] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.217806][ T351] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.218139][ T351] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.218496][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.218815][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.219151][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.219477][ T351] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.219790][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.220134][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.220468][ T351] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.220791][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.221125][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.221464][ T351] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.221795][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.222134][ T351] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.222470][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.222812][ T351] ? 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) 
[ 24.223143][ T351] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 24.223585][ T351] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.223909][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.224259][ T351] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.224584][ T351] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.224901][ T351] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.225235][ T351] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.225565][ T351] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.225880][ T351] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.226290][ T351] ___sys_sendmsg (net/socket.c:2670) 
[ 24.226604][ T351] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.226916][ T351] ? __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) 
[ 24.227318][ T351] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.227648][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.227992][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.228333][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.228655][ T351] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.228984][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.229308][ T351] __sys_sendmsg (net/socket.c:2700) 
[ 24.229626][ T351] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.230026][ T351] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.230368][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.230690][ T351] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.231023][ T351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.231412][  T351] RIP: 0033:0x7f8e395c01e7
[ 24.231742][ T351] 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)
[   24.232867][  T351] RSP: 002b:00007ffc79b43328 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.233351][  T351] RAX: ffffffffffffffda RBX: 00007ffc79b43a50 RCX: 00007f8e395c01e7
[   24.233820][  T351] RDX: 0000000000000000 RSI: 00007ffc79b43390 RDI: 0000000000000005
[   24.234297][  T351] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.234771][  T351] R10: 00000000281c7910 R11: 0000000000000246 R12: 0000000000000004
[   24.235252][  T351] R13: 00000000686e741e R14: 0000000000499600 R15: 0000000000000000
| [   28.984665][  T399] ------------[ cut here ]------------
| [ 28.985002][ T399] WARNING: CPU: 3 PID: 399 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   28.985618][  T399] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   28.986893][  T399] Tainted: [W]=WARN
[   28.987133][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.987521][ T399] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 28.987835][ T399] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   28.988971][  T399] RSP: 0018:ffffc90000966ef0 EFLAGS: 00010246
[   28.989357][  T399] RAX: 0000000000000000 RBX: ffff88800dcb2000 RCX: 0000000000000001
[   28.989843][  T399] RDX: 0000000000000000 RSI: ffffffffb689b939 RDI: ffffffffb60555e0
[   28.990327][  T399] RBP: ffffc90000966fe0 R08: 0000000000000000 R09: 0000000000000000
[   28.990811][  T399] R10: ffffc90000967010 R11: ffffffffb6d79160 R12: 1ffff9200012cde2
[   28.991301][  T399] R13: 00000000000005dc R14: ffffc90000967010 R15: ffff88800dcb2f08
[   28.991767][  T399] FS:  00007fd150a85800(0000) GS:ffff88807da37000(0000) knlGS:0000000000000000
[   28.992330][  T399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.992726][  T399] CR2: 00000000004e6898 CR3: 000000000e6fa006 CR4: 0000000000772ef0
[   28.993207][  T399] PKRU: 55555554
[   28.993436][  T399] Call Trace:
[   28.993667][  T399]  <TASK>
[ 28.993850][ T399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.994172][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.994503][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.994810][ T399] netif_set_mtu (net/core/dev.c:9652) 
[ 28.995124][ T399] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.995443][ T399] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.995681][ T399] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 28.996142][ T399] br_add_if (net/bridge/br_if.c:697) bridge 
[ 28.996503][ T399] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 28.996815][ T399] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 28.997135][ T399] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.997546][ T399] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.997853][ T399] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.998187][ T399] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.998516][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.998844][ T399] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 28.999179][ T399] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.999564][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.999873][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.000203][ T399] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.000509][ T399] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.000824][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.001164][ T399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.001474][ T399] ? __create_object (mm/kmemleak.c:771) 
[ 29.001781][ T399] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.002113][ T399] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.002418][ T399] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.002819][ T399] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.003144][ T399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.003477][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.003784][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.004104][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.004411][ T399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.004734][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.005051][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.005367][ T399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.005675][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.005995][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.006311][ T399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.006630][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.006954][ T399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.007294][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.007598][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 29.007904][ T399] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 29.008226][ T399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.008542][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.008851][ T399] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.009169][ T399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.009476][ T399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.009789][ T399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.010113][ T399] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.010417][ T399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.010805][ T399] ___sys_sendmsg (net/socket.c:2670) 
[ 29.011114][ T399] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.011417][ T399] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 29.011792][ T399] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.012112][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.012417][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.012727][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.013037][ T399] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.013340][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.013666][ T399] __sys_sendmsg (net/socket.c:2700) 
[ 29.013977][ T399] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.014364][ T399] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.014685][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.015005][ T399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.015326][ T399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.015702][  T399] RIP: 0033:0x7fd150c521e7
[ 29.016026][ T399] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   29.017119][  T399] RSP: 002b:00007fff9fadea68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.017593][  T399] RAX: ffffffffffffffda RBX: 00007fff9fadf190 RCX: 00007fd150c521e7
[   29.018064][  T399] RDX: 0000000000000000 RSI: 00007fff9fadead0 RDI: 0000000000000005
[   29.018537][  T399] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.019003][  T399] R10: 0000000030636910 R11: 0000000000000246 R12: 0000000000000004
[   29.019460][  T399] R13: 00000000686e7423 R14: 0000000000499600 R15: 0000000000000000
| [   29.807387][  T406] ------------[ cut here ]------------
| [ 29.807726][ T406] WARNING: CPU: 0 PID: 406 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   29.808391][  T406] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.809717][  T406] Tainted: [W]=WARN
[   29.810650][  T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.811080][ T406] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 29.811413][ T406] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   29.812587][  T406] RSP: 0018:ffffc900009d6ef0 EFLAGS: 00010246
[   29.813005][  T406] RAX: 0000000000000000 RBX: ffff88800dcb2000 RCX: 0000000000000001
[   29.813485][  T406] RDX: 0000000000000000 RSI: ffffffffb689b939 RDI: ffffffffb60555e0
[   29.813970][  T406] RBP: ffffc900009d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.814458][  T406] R10: ffffc900009d7010 R11: ffffffffb76a8918 R12: 1ffff9200013ade2
[   29.814948][  T406] R13: 00000000000005dc R14: ffffc900009d7010 R15: ffff88800dcb2f08
[   29.815431][  T406] FS:  00007f6ad3056800(0000) GS:ffff88807d8b7000(0000) knlGS:0000000000000000
[   29.815999][  T406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.816409][  T406] CR2: 00000000004e6898 CR3: 000000000e56f005 CR4: 0000000000772ef0
[   29.816895][  T406] PKRU: 55555554
[   29.817143][  T406] Call Trace:
[   29.817386][  T406]  <TASK>
[ 29.817554][ T406] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.817877][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.818219][ T406] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 29.818558][ T406] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 29.818975][ T406] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 29.819300][ T406] netif_set_mtu (net/core/dev.c:9652) 
[ 29.819621][ T406] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.819962][ T406] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 29.820424][ T406] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.820668][ T406] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.821119][ T406] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.821493][ T406] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 29.821820][ T406] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.822160][ T406] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.822569][ T406] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.822890][ T406] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.823220][ T406] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.823544][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.823874][ T406] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 29.824207][ T406] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.824609][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.824942][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.825266][ T406] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.825590][ T406] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.825910][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.826243][ T406] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.826566][ T406] ? __create_object (mm/kmemleak.c:771) 
[ 29.826891][ T406] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.827222][ T406] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.827546][ T406] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.827953][ T406] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.828288][ T406] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.828620][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.828952][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.829280][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.829602][ T406] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.829923][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.830280][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.830605][ T406] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.830931][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.831271][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.831599][ T406] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.831920][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.832255][ T406] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.832591][ T406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.832913][ T406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 29.833242][ T406] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 29.833576][ T406] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.833896][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.834235][ T406] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.834566][ T406] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.834887][ T406] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.835228][ T406] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.835553][ T406] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.835872][ T406] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.836294][ T406] ___sys_sendmsg (net/socket.c:2670) 
[ 29.836611][ T406] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.836931][ T406] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 29.837339][ T406] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.837663][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.837996][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.838343][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.838667][ T406] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.838997][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.839327][ T406] __sys_sendmsg (net/socket.c:2700) 
[ 29.839645][ T406] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.840060][ T406] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.840394][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.840719][ T406] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.841061][ T406] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.841459][  T406] RIP: 0033:0x7f6ad32231e7
[ 29.841790][ T406] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   29.842940][  T406] RSP: 002b:00007fff071b8a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.843429][  T406] RAX: ffffffffffffffda RBX: 00007fff071b9150 RCX: 00007f6ad32231e7
[   29.843910][  T406] RDX: 0000000000000000 RSI: 00007fff071b8a90 RDI: 0000000000000005
[   29.844402][  T406] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.844882][  T406] R10: 000000002d661910 R11: 0000000000000246 R12: 0000000000000004
[   29.845370][  T406] R13: 00000000686e7424 R14: 0000000000499600 R15: 0000000000000000
| [   33.978622][  T446] ------------[ cut here ]------------
| [ 33.978987][ T446] WARNING: CPU: 0 PID: 446 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.979631][  T446] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   33.980964][  T446] Tainted: [W]=WARN
[   33.981216][  T446] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.981617][ T446] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.981959][ T446] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   33.983144][  T446] RSP: 0018:ffffc90000d5eef0 EFLAGS: 00010246
[   33.983552][  T446] RAX: 0000000000000000 RBX: ffff88800f372000 RCX: 0000000000000001
[   33.984048][  T446] RDX: 0000000000000000 RSI: ffffffffb689b939 RDI: ffffffffb60555e0
[   33.984532][  T446] RBP: ffffc90000d5efe0 R08: 0000000000000000 R09: 0000000000000000
[   33.985030][  T446] R10: ffffc90000d5f010 R11: ffffffffb6d79160 R12: 1ffff920001abde2
[   33.985524][  T446] R13: 00000000000005dc R14: ffffc90000d5f010 R15: ffff88800f372f08
[   33.986016][  T446] FS:  00007fb450c43800(0000) GS:ffff88807d8b7000(0000) knlGS:0000000000000000
[   33.986578][  T446] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.986992][  T446] CR2: 00000000004e6898 CR3: 00000000057a0003 CR4: 0000000000772ef0
[   33.987483][  T446] PKRU: 55555554
[   33.987727][  T446] Call Trace:
[   33.987979][  T446]  <TASK>
[ 33.988147][ T446] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.988482][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.988814][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.989153][ T446] netif_set_mtu (net/core/dev.c:9652) 
[ 33.989478][ T446] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.989815][ T446] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.990080][ T446] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.990541][ T446] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.990916][ T446] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 33.991255][ T446] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.991582][ T446] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.992000][ T446] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.992333][ T446] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.992653][ T446] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.992986][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.993314][ T446] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 33.993636][ T446] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.994046][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.994528][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.995132][ T446] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.995488][ T446] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.995816][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.996158][ T446] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.996477][ T446] ? __create_object (mm/kmemleak.c:771) 
[ 33.996803][ T446] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.997134][ T446] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.997455][ T446] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.997867][ T446] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.998207][ T446] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.998552][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.998875][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.999215][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.999543][ T446] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.999864][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.000196][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.000523][ T446] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.000845][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.001181][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.001510][ T446] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.001833][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.002164][ T446] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.002497][ T446] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.002823][ T446] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.003175][ T446] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 34.003503][ T446] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.003824][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.004163][ T446] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.004490][ T446] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.004814][ T446] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.005154][ T446] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.005482][ T446] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.005805][ T446] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.006223][ T446] ___sys_sendmsg (net/socket.c:2670) 
[ 34.006543][ T446] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.006865][ T446] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 34.007275][ T446] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.007603][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.007928][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.008270][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.008605][ T446] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.008922][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.009264][ T446] __sys_sendmsg (net/socket.c:2700) 
[ 34.009589][ T446] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.009999][ T446] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.010337][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.010662][ T446] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.010993][ T446] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.011396][  T446] RIP: 0033:0x7fb450e101e7
[ 34.011729][ T446] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   34.012895][  T446] RSP: 002b:00007ffd3a238928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.013390][  T446] RAX: ffffffffffffffda RBX: 00007ffd3a239050 RCX: 00007fb450e101e7
[   34.013872][  T446] RDX: 0000000000000000 RSI: 00007ffd3a238990 RDI: 0000000000000005
[   34.014363][  T446] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.014848][  T446] R10: 000000002081d910 R11: 0000000000000246 R12: 0000000000000004
[   34.015373][  T446] R13: 00000000686e7428 R14: 0000000000499600 R15: 0000000000000000
| [   34.831986][  T453] ------------[ cut here ]------------
| [ 34.832355][ T453] WARNING: CPU: 0 PID: 453 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   34.833017][  T453] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   34.834346][  T453] Tainted: [W]=WARN
[   34.834588][  T453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.834997][ T453] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 34.835330][ T453] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   34.836647][  T453] RSP: 0018:ffffc90000d6eef0 EFLAGS: 00010246
[   34.837066][  T453] RAX: 0000000000000000 RBX: ffff88800f372000 RCX: 0000000000000001
[   34.837547][  T453] RDX: 0000000000000000 RSI: ffffffffb689b939 RDI: ffffffffb60555e0
[   34.838047][  T453] RBP: ffffc90000d6efe0 R08: 0000000000000000 R09: 0000000000000000
[   34.838538][  T453] R10: ffffc90000d6f010 R11: ffffffffb6d79160 R12: 1ffff920001adde2
[   34.839027][  T453] R13: 00000000000005dc R14: ffffc90000d6f010 R15: ffff88800f372f08
[   34.839506][  T453] FS:  00007f7daa37d800(0000) GS:ffff88807d8b7000(0000) knlGS:0000000000000000
[   34.840076][  T453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.840482][  T453] CR2: 00000000004e6898 CR3: 000000000e577006 CR4: 0000000000772ef0
[   34.840967][  T453] PKRU: 55555554
[   34.841210][  T453] Call Trace:
[   34.841448][  T453]  <TASK>
[ 34.841616][ T453] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.841955][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.842298][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.842627][ T453] netif_set_mtu (net/core/dev.c:9652) 
[ 34.842969][ T453] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.843306][ T453] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.843552][ T453] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.844018][ T453] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.844390][ T453] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 34.844722][ T453] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.845064][ T453] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.845472][ T453] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.845799][ T453] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.846132][ T453] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.846458][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.846782][ T453] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 34.847123][ T453] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.847523][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.847847][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.848194][ T453] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.848528][ T453] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.848850][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.849181][ T453] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.849502][ T453] ? __create_object (mm/kmemleak.c:771) 
[ 34.849836][ T453] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.850171][ T453] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.850492][ T453] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.850892][ T453] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.851231][ T453] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.851556][ T453] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.851875][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.852208][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.852537][ T453] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.852852][ T453] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.853187][ T453] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.853508][ T453] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.853834][ T453] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.854169][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.854501][ T453] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.854835][ T453] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.855170][ T453] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.855502][ T453] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.855819][ T453] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.856150][ T453] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 34.856478][ T453] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.856819][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.857169][ T453] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.857497][ T453] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.857823][ T453] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.858169][ T453] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.858504][ T453] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.858822][ T453] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.859244][ T453] ___sys_sendmsg (net/socket.c:2670) 
[ 34.859574][ T453] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.859897][ T453] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 34.860315][ T453] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.860643][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.860975][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.861306][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.861629][ T453] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.861970][ T453] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.862300][ T453] __sys_sendmsg (net/socket.c:2700) 
[ 34.862620][ T453] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.863029][ T453] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.863362][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.863685][ T453] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.864024][ T453] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.864424][  T453] RIP: 0033:0x7f7daa54a1e7
[ 34.864762][ T453] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   34.865917][  T453] RSP: 002b:00007fff88d812c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.866411][  T453] RAX: ffffffffffffffda RBX: 00007fff88d819f0 RCX: 00007f7daa54a1e7
[   34.866897][  T453] RDX: 0000000000000000 RSI: 00007fff88d81330 RDI: 0000000000000005
[   34.867392][  T453] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.867878][  T453] R10: 0000000023118910 R11: 0000000000000246 R12: 0000000000000004
[   34.868376][  T453] R13: 00000000686e7429 R14: 0000000000499600 R15: 0000000000000000
| [   53.001512][  T576] ------------[ cut here ]------------
| [ 53.001826][ T576] WARNING: CPU: 1 PID: 576 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   53.004036][  T576] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.005501][  T576] Tainted: [W]=WARN
[   53.005735][  T576] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.006306][ T576] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 53.006624][ T576] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   53.007859][  T576] RSP: 0018:ffffc9000128ef70 EFLAGS: 00010246
[   53.008400][  T576] RAX: 0000000000000000 RBX: ffff88800c09a000 RCX: 0000000000000001
[   53.008859][  T576] RDX: 0000000000000000 RSI: ffffffffb689b939 RDI: ffffffffb60555e0
[   53.009435][  T576] RBP: ffffc9000128f058 R08: 0000000000000000 R09: 0000000000000000
[   53.009902][  T576] R10: ffffc9000128f088 R11: ffffffffb2c00130 R12: 1ffff92000251df2
[   53.010367][  T576] R13: 00000000000005dc R14: ffffc9000128f088 R15: ffff88800c09af08
[   53.010823][  T576] FS:  00007fbd5530a800(0000) GS:ffff88807d937000(0000) knlGS:0000000000000000
[   53.011362][  T576] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.011746][  T576] CR2: 00000000004e5ab0 CR3: 0000000002181003 CR4: 0000000000772ef0
[   53.012213][  T576] PKRU: 55555554
[   53.012444][  T576] Call Trace:
[   53.012670][  T576]  <TASK>
[ 53.012823][ T576] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.013224][ T576] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.013592][ T576] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 53.013898][ T576] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.014231][ T576] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.014535][ T576] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 53.014842][ T576] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.015155][ T576] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.015464][ T576] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.015779][ T576] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.016092][ T576] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.016395][ T576] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.016771][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.017104][ T576] netif_set_mtu (net/core/dev.c:9652) 
[ 53.017412][ T576] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.017731][ T576] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.017970][ T576] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.018402][ T576] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.018743][ T576] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 53.019055][ T576] do_set_master (net/core/rtnetlink.c:2932) 
[ 53.019363][ T576] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.019671][ T576] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.020064][ T576] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.020366][ T576] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.020670][ T576] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.020995][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.021312][ T576] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 53.021617][ T576] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.022002][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.022308][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.022613][ T576] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.022922][ T576] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.023236][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.023540][ T576] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.023843][ T576] ? __create_object (mm/kmemleak.c:771) 
[ 53.024156][ T576] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.024462][ T576] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.024763][ T576] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.025159][ T576] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.025482][ T576] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.025798][ T576] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.026112][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.026423][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.026726][ T576] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.027052][ T576] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.027361][ T576] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.027664][ T576] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.027982][ T576] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.028290][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.028607][ T576] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.028911][ T576] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.029236][ T576] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.029556][ T576] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.029859][ T576] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 53.030178][ T576] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 53.030487][ T576] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.030790][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.031107][ T576] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.031416][ T576] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.031720][ T576] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.032038][ T576] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.032351][ T576] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.032654][ T576] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.033064][ T576] ___sys_sendmsg (net/socket.c:2670) 
[ 53.033366][ T576] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.033671][ T576] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.034056][ T576] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.034365][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.034679][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.034995][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.035299][ T576] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.035603][ T576] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.035913][ T576] __sys_sendmsg (net/socket.c:2700) 
[ 53.036222][ T576] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.036597][ T576] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.036919][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.037244][ T576] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.037547][ T576] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.037925][  T576] RIP: 0033:0x7fbd554d71e7
[ 53.038248][ T576] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   53.039350][  T576] RSP: 002b:00007fff79e901b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.039811][  T576] RAX: ffffffffffffffda RBX: 00007fff79e908e0 RCX: 00007fbd554d71e7
[   53.040270][  T576] RDX: 0000000000000000 RSI: 00007fff79e90220 RDI: 0000000000000005
[   53.040721][  T576] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   53.041201][  T576] R10: 00007fbd553d4ee8 R11: 0000000000000246 R12: 0000000000000003
[   53.041653][  T576] R13: 00000000686e743b R14: 0000000000499600 R15: 0000000000000000
| [   53.401715][  T579] ------------[ cut here ]------------
| [ 53.402622][ T579] WARNING: CPU: 3 PID: 579 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) 
| [   53.403246][  T579] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.404492][  T579] Tainted: [W]=WARN
[   53.404722][  T579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.405115][ T579] 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) 
[ 53.405429][ T579] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   53.406520][  T579] RSP: 0018:ffffc900012aef70 EFLAGS: 00010246
[   53.406902][  T579] RAX: 0000000000000000 RBX: ffff88800c09a000 RCX: 0000000000000001
[   53.407370][  T579] RDX: 0000000000000000 RSI: ffffffffb689b939 RDI: ffffffffb60555e0
[   53.407822][  T579] RBP: ffffc900012af058 R08: 0000000000000000 R09: 0000000000000000
[   53.408285][  T579] R10: ffffc900012af088 R11: ffffffffb6d79160 R12: 1ffff92000255df2
[   53.408751][  T579] R13: 00000000000005dc R14: ffffc900012af088 R15: ffff88800c09af08
[   53.409218][  T579] FS:  00007ff2ab030800(0000) GS:ffff88807da37000(0000) knlGS:0000000000000000
[   53.409749][  T579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.410141][  T579] CR2: 00000000004e5aa8 CR3: 000000000b5a9003 CR4: 0000000000772ef0
[   53.410600][  T579] PKRU: 55555554
[   53.410830][  T579] Call Trace:
[   53.411064][  T579]  <TASK>
[ 53.411225][ T579] ? __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) 
[ 53.411606][ T579] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.411966][ T579] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 53.412274][ T579] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.412579][ T579] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.412881][ T579] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 53.413193][ T579] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.413501][ T579] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.413806][ T579] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.414117][ T579] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.414418][ T579] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.414722][ T579] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.415108][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.415420][ T579] netif_set_mtu (net/core/dev.c:9652) 
[ 53.415729][ T579] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.416060][ T579] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.416295][ T579] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.416721][ T579] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.417067][ T579] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 53.417370][ T579] do_set_master (net/core/rtnetlink.c:2932) 
[ 53.417679][ T579] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.417997][ T579] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.418401][ T579] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.418705][ T579] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.419021][ T579] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.419329][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.419636][ T579] ? __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) 
[ 53.419950][ T579] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.420329][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.420638][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.420947][ T579] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.421250][ T579] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.421554][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.421858][ T579] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.422171][ T579] ? __create_object (mm/kmemleak.c:771) 
[ 53.422475][ T579] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.422779][ T579] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.423091][ T579] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.423467][ T579] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.423776][ T579] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.424116][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.424420][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.424731][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.425046][ T579] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.425352][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.425658][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.425968][ T579] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.426272][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.426577][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.426885][ T579] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.427194][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.427498][ T579] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.427820][ T579] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.428132][ T579] ? 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) 
[ 53.428449][ T579] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 53.428755][ T579] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.429066][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.429374][ T579] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.429680][ T579] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.429999][ T579] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.430311][ T579] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.430617][ T579] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.430920][ T579] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.431316][ T579] ___sys_sendmsg (net/socket.c:2670) 
[ 53.431618][ T579] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.431919][ T579] ? __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) 
[ 53.432311][ T579] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.432621][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.432927][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.433244][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.433547][ T579] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.433851][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.434171][ T579] __sys_sendmsg (net/socket.c:2700) 
[ 53.434476][ T579] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.434851][ T579] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.435174][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.435483][ T579] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.435788][ T579] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.436173][  T579] RIP: 0033:0x7ff2ab1fd1e7
[ 53.436487][ T579] 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)
[   53.437581][  T579] RSP: 002b:00007ffeab9e52b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.438046][  T579] RAX: ffffffffffffffda RBX: 00007ffeab9e59e0 RCX: 00007ff2ab1fd1e7
[   53.438508][  T579] RDX: 0000000000000000 RSI: 00007ffeab9e5320 RDI: 0000000000000005
[   53.438980][  T579] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   53.439435][  T579] R10: 00007ff2ab0faee8 R11: 0000000000000246 R12: 0000000000000003
[   53.439887][  T579] R13: 00000000686e743c R14: 0000000000499600 R15: 0000000000000000
| [   53.567683][  T580] ------------[ cut here ]------------
| [ 53.568965][ T580] WARNING: CPU: 3 PID: 580 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   53.569579][  T580] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.570851][  T580] Tainted: [W]=WARN
[   53.571105][  T580] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.571490][ T580] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 53.571803][ T580] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   53.572896][  T580] RSP: 0018:ffffc900012bef70 EFLAGS: 00010246
[   53.573291][  T580] RAX: 0000000000000000 RBX: ffff88800c09a000 RCX: 0000000000000001
[   53.573746][  T580] RDX: 0000000000000000 RSI: ffffffffb689b939 RDI: ffffffffb60555e0
[   53.574213][  T580] RBP: ffffc900012bf058 R08: 0000000000000000 R09: 0000000000000000
[   53.574670][  T580] R10: ffffc900012bf088 R11: ffffffffb6d79160 R12: 1ffff92000257df2
[   53.575150][  T580] R13: 00000000000005dc R14: ffffc900012bf088 R15: ffff88800c09af08
[   53.575607][  T580] FS:  00007f3dc0ac6800(0000) GS:ffff88807da37000(0000) knlGS:0000000000000000
[   53.576147][  T580] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.576532][  T580] CR2: 00000000004e73c0 CR3: 000000000b60c004 CR4: 0000000000772ef0
[   53.577015][  T580] PKRU: 55555554
[   53.577244][  T580] Call Trace:
[   53.577476][  T580]  <TASK>
[ 53.577630][ T580] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.578023][ T580] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.578385][ T580] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 53.578691][ T580] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.579018][ T580] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.579327][ T580] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 53.579630][ T580] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.579947][ T580] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.580256][ T580] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.580557][ T580] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.580859][ T580] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.581173][ T580] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.581555][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.581867][ T580] netif_set_mtu (net/core/dev.c:9652) 
[ 53.582179][ T580] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.582502][ T580] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.582733][ T580] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.583179][ T580] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.583518][ T580] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 53.583825][ T580] do_set_master (net/core/rtnetlink.c:2932) 
[ 53.584149][ T580] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.584457][ T580] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.584842][ T580] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.585152][ T580] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.585454][ T580] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.585764][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.586081][ T580] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 53.586389][ T580] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.586764][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.587089][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.587399][ T580] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.587702][ T580] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.588012][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.588319][ T580] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.588629][ T580] ? __create_object (mm/kmemleak.c:771) 
[ 53.588946][ T580] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.589252][ T580] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.589553][ T580] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.589931][ T580] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.590255][ T580] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.590563][ T580] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.590867][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.591207][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.591514][ T580] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.591815][ T580] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.592129][ T580] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.592431][ T580] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.592736][ T580] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.593051][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.593361][ T580] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.593671][ T580] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.593984][ T580] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.594298][ T580] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.594601][ T580] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 53.594907][ T580] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 53.595232][ T580] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.595542][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.595850][ T580] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.596165][ T580] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.596468][ T580] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.596779][ T580] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.597095][ T580] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.597396][ T580] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.597784][ T580] ___sys_sendmsg (net/socket.c:2670) 
[ 53.598099][ T580] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.598413][ T580] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.598789][ T580] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.599117][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.599425][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.599735][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.600046][ T580] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.600357][ T580] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.600668][ T580] __sys_sendmsg (net/socket.c:2700) 
[ 53.600974][ T580] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.601351][ T580] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.601666][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.601981][ T580] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.602290][ T580] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.602670][  T580] RIP: 0033:0x7f3dc0c931e7
[ 53.603008][ T580] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   53.604098][  T580] RSP: 002b:00007ffc94c2d7b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.604558][  T580] RAX: ffffffffffffffda RBX: 00007ffc94c2dee0 RCX: 00007f3dc0c931e7
[   53.605026][  T580] RDX: 0000000000000000 RSI: 00007ffc94c2d820 RDI: 0000000000000005
[   53.605478][  T580] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   53.605944][  T580] R10: 00007f3dc0b90ee8 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