======================================
| [   19.694083][  T309] veth1: entered promiscuous mode
| [   19.696375][  T309] ------------[ cut here ]------------
| [ 19.696709][ T309] WARNING: CPU: 3 PID: 309 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) 
| [   19.697364][  T309] Modules linked in: bridge stp llc sch_ingress vrf veth
[   19.699477][  T309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.699884][ T309] 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) 
[ 19.700211][ T309] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   19.701357][  T309] RSP: 0018:ffffc90000506ef0 EFLAGS: 00010246
[   19.701781][  T309] RAX: 0000000000000000 RBX: ffff8880051ea000 RCX: 0000000000000001
[   19.702254][  T309] RDX: 0000000000000000 RSI: ffffffff8589b941 RDI: ffffffff850555e0
[   19.702741][  T309] RBP: ffffc90000506fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.703222][  T309] R10: ffffc90000507010 R11: ffffffff866a8918 R12: 1ffff920000a0de2
[   19.703712][  T309] R13: 00000000000005dc R14: ffffc90000507010 R15: ffff8880051eaf08
[   19.704237][  T309] FS:  00007f3128301800(0000) GS:ffff8880a7c37000(0000) knlGS:0000000000000000
[   19.704818][  T309] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.705439][  T309] CR2: 00000000004e5aa8 CR3: 000000000605d002 CR4: 0000000000772ef0
[   19.705924][  T309] PKRU: 55555554
[   19.706165][  T309] Call Trace:
[   19.706402][  T309]  <TASK>
[ 19.706575][ T309] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.706904][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.707228][ T309] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.707547][ T309] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.707951][ T309] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.708269][ T309] netif_set_mtu (net/core/dev.c:9652) 
[ 19.708586][ T309] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.708936][ T309] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.709386][ T309] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.709624][ T309] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.710070][ T309] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.710435][ T309] do_set_master (net/core/rtnetlink.c:2948) 
[ 19.710768][ T309] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.711089][ T309] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.711489][ T309] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.711816][ T309] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.712136][ T309] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.712456][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.712799][ T309] ? __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) 
[ 19.713123][ T309] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.713523][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.713855][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.714169][ T309] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.714491][ T309] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.714815][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.715130][ T309] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.715439][ T309] ? __create_object (mm/kmemleak.c:771) 
[ 19.715771][ T309] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.716096][ T309] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.716410][ T309] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.716821][ T309] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.717150][ T309] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.717472][ T309] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.717790][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.718110][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.718429][ T309] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.718739][ T309] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.719066][ T309] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.719385][ T309] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.719705][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.720031][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.720352][ T309] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.720670][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.721009][ T309] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.721340][ T309] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.721655][ T309] ? 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) 
[ 19.721987][ T309] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.722306][ T309] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.722620][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.722951][ T309] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.723269][ T309] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.723594][ T309] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.723932][ T309] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.724259][ T309] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.724571][ T309] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.724993][ T309] ___sys_sendmsg (net/socket.c:2670) 
[ 19.725318][ T309] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.725633][ T309] ? __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) 
[ 19.726062][ T309] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.726380][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.726705][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.727032][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.727346][ T309] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.727660][ T309] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.727993][ T309] __sys_sendmsg (net/socket.c:2700) 
[ 19.728305][ T309] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.728694][ T309] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.729053][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.729372][ T309] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.729687][ T309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.730085][  T309] RIP: 0033:0x7f31284ce1e7
[ 19.730413][ T309] 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)
[   19.731565][  T309] RSP: 002b:00007fff84f30ef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.732075][  T309] RAX: ffffffffffffffda RBX: 00007fff84f31620 RCX: 00007f31284ce1e7
[   19.732548][  T309] RDX: 0000000000000000 RSI: 00007fff84f30f60 RDI: 0000000000000005
[   19.733044][  T309] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.733544][  T309] R10: 0000000026efc910 R11: 0000000000000246 R12: 0000000000000004
[   19.734028][  T309] R13: 00000000686e1b02 R14: 0000000000499600 R15: 0000000000000000
| [   19.965378][  T312] ------------[ cut here ]------------
| [ 19.965693][ T312] WARNING: CPU: 0 PID: 312 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) 
| [   19.966365][  T312] Modules linked in: bridge stp llc sch_ingress vrf veth
| [   19.967407][  T312] Tainted: [W]=WARN
[   19.967644][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.968035][ T312] 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) 
[ 19.968356][ T312] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   19.969459][  T312] RSP: 0018:ffffc900004c6ef0 EFLAGS: 00010246
[   19.969858][  T312] RAX: 0000000000000000 RBX: ffff8880051ea000 RCX: 0000000000000001
[   19.970348][  T312] RDX: 0000000000000000 RSI: ffffffff8589b941 RDI: ffffffff850555e0
[   19.970821][  T312] RBP: ffffc900004c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.971283][  T312] R10: ffffc900004c7010 R11: ffffffff866a8918 R12: 1ffff92000098de2
[   19.971739][  T312] R13: 00000000000005dc R14: ffffc900004c7010 R15: ffff8880051eaf08
[   19.972212][  T312] FS:  00007f820f4dd800(0000) GS:ffff8880a7ab7000(0000) knlGS:0000000000000000
[   19.972758][  T312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.973177][  T312] CR2: 00000000004e5ab0 CR3: 000000000c002003 CR4: 0000000000772ef0
[   19.973654][  T312] PKRU: 55555554
[   19.973898][  T312] Call Trace:
[   19.974159][  T312]  <TASK>
[ 19.974321][ T312] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.974630][ T312] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.974951][ T312] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.975256][ T312] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.975648][ T312] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.975966][ T312] netif_set_mtu (net/core/dev.c:9652) 
[ 19.976273][ T312] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.976592][ T312] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.977040][ T312] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.977272][ T312] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.977700][ T312] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.978098][ T312] do_set_master (net/core/rtnetlink.c:2948) 
[ 19.978417][ T312] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.978730][ T312] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.979442][ T312] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.979793][ T312] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.980100][ T312] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.980419][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.980727][ T312] ? __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) 
[ 19.981044][ T312] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.981424][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.981743][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.982100][ T312] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.982410][ T312] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.982727][ T312] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.983043][ T312] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.983346][ T312] ? __create_object (mm/kmemleak.c:771) 
[ 19.983673][ T312] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.983992][ T312] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.984300][ T312] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.984681][ T312] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.985005][ T312] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.985323][ T312] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.985628][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.985949][ T312] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.986373][ T312] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.986680][ T312] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.987012][ T312] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.987333][ T312] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.987642][ T312] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.987971][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.988282][ T312] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.988587][ T312] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.988901][ T312] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.989218][ T312] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.989523][ T312] ? 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) 
[ 19.989845][ T312] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.990161][ T312] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.990464][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.990798][ T312] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.991122][ T312] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.991433][ T312] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.991783][ T312] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.992102][ T312] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.992421][ T312] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.992826][ T312] ___sys_sendmsg (net/socket.c:2670) 
[ 19.993130][ T312] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.993437][ T312] ? __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) 
[ 19.993946][ T312] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.994257][ T312] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.994566][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.994884][ T312] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.995189][ T312] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.995492][ T312] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.995822][ T312] __sys_sendmsg (net/socket.c:2700) 
[ 19.996123][ T312] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.996516][ T312] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.996842][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.997157][ T312] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.997461][ T312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.997861][  T312] RIP: 0033:0x7f820f6aa1e7
[ 19.998175][ T312] 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)
[   19.999276][  T312] RSP: 002b:00007ffe54e7e838 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.999796][  T312] RAX: ffffffffffffffda RBX: 00007ffe54e7ef60 RCX: 00007f820f6aa1e7
[   20.000283][  T312] RDX: 0000000000000000 RSI: 00007ffe54e7e8a0 RDI: 0000000000000005
[   20.000781][  T312] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.001248][  T312] R10: 0000000009454910 R11: 0000000000000246 R12: 0000000000000004
[   20.001711][  T312] R13: 00000000686e1b02 R14: 0000000000499600 R15: 0000000000000000
| [  160.664467][ T1709] ------------[ cut here ]------------
| [ 160.665146][ T1709] WARNING: CPU: 2 PID: 1709 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) 
| [  160.665790][ T1709] Modules linked in: act_gact act_pedit cls_flower bridge stp llc sch_ingress vrf veth
| [  160.667003][ T1709] Tainted: [W]=WARN
[  160.667261][ T1709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.667654][ T1709] 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) 
[ 160.667993][ T1709] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  160.669096][ T1709] RSP: 0018:ffffc90002d36f70 EFLAGS: 00010246
[  160.669503][ T1709] RAX: 0000000000000000 RBX: ffff8880051ea000 RCX: 0000000000000001
[  160.669978][ T1709] RDX: 0000000000000000 RSI: ffffffff8589b941 RDI: ffffffff850555e0
[  160.670447][ T1709] RBP: ffffc90002d37058 R08: 0000000000000000 R09: 0000000000000000
[  160.670928][ T1709] R10: ffffc90002d37088 R11: ffffffff81c00130 R12: 1ffff920005a6df2
[  160.671401][ T1709] R13: 00000000000005dc R14: ffffc90002d37088 R15: ffff8880051eaf08
[  160.671881][ T1709] FS:  00007f2d0ba93800(0000) GS:ffff8880a7bb7000(0000) knlGS:0000000000000000
[  160.672425][ T1709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.672835][ T1709] CR2: 00000000004e5ab0 CR3: 000000000507b004 CR4: 0000000000772ef0
[  160.673307][ T1709] PKRU: 55555554
[  160.673551][ T1709] Call Trace:
[  160.673817][ T1709]  <TASK>
[ 160.673991][ T1709] ? __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) 
[ 160.674389][ T1709] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 160.674880][ T1709] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 160.675220][ T1709] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 160.675555][ T1709] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.675901][ T1709] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 160.676248][ T1709] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.676580][ T1709] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.676929][ T1709] ? ___sys_sendmsg (net/socket.c:2670) 
[ 160.677269][ T1709] ? __sys_sendmsg (net/socket.c:2700) 
[ 160.677603][ T1709] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.677946][ T1709] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 160.678357][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.678706][ T1709] netif_set_mtu (net/core/dev.c:9652) 
[ 160.679057][ T1709] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.679443][ T1709] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.679703][ T1709] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.680182][ T1709] br_del_if (net/bridge/br_if.c:743) bridge 
[ 160.680553][ T1709] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 160.680899][ T1709] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 160.681236][ T1709] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 160.681585][ T1709] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 160.682018][ T1709] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 160.682362][ T1709] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 160.682700][ T1709] ? __kernel_text_address (kernel/extable.c:79) 
[ 160.683051][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.683388][ T1709] ? __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) 
[ 160.683733][ T1709] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 160.684167][ T1709] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.684506][ T1709] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.684848][ T1709] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 160.685182][ T1709] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 160.685513][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.685857][ T1709] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.686190][ T1709] ? __create_object (mm/kmemleak.c:771) 
[ 160.686525][ T1709] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 160.686882][ T1709] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 160.687225][ T1709] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 160.687634][ T1709] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 160.687987][ T1709] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.688328][ T1709] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.688662][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.689015][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.689356][ T1709] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.689688][ T1709] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.690032][ T1709] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.690366][ T1709] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.690700][ T1709] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.691061][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.691402][ T1709] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.691733][ T1709] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.692084][ T1709] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.692430][ T1709] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.692771][ T1709] ? 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) 
[ 160.693110][ T1709] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 160.693448][ T1709] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.693809][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.694148][ T1709] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.694491][ T1709] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.694835][ T1709] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.695182][ T1709] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.695518][ T1709] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.695872][ T1709] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.696299][ T1709] ___sys_sendmsg (net/socket.c:2670) 
[ 160.696633][ T1709] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 160.696985][ T1709] ? __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) 
[ 160.697398][ T1709] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.697731][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.698079][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.698419][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.698761][ T1709] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 160.699099][ T1709] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.699444][ T1709] __sys_sendmsg (net/socket.c:2700) 
[ 160.699786][ T1709] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 160.700195][ T1709] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.700538][ T1709] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.700881][ T1709] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.701218][ T1709] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.701629][ T1709] RIP: 0033:0x7f2d0bc601e7
[ 160.701992][ T1709] 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)
[  160.703154][ T1709] RSP: 002b:00007ffe1d597858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.703649][ T1709] RAX: ffffffffffffffda RBX: 00007ffe1d597f80 RCX: 00007f2d0bc601e7
[  160.704193][ T1709] RDX: 0000000000000000 RSI: 00007ffe1d5978c0 RDI: 0000000000000005
[  160.704691][ T1709] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  160.705195][ T1709] R10: 00007f2d0bb5dee8 R11: 0000000000000246 R12: 0000000000000003
[  160.705689][ T1709] R13: 00000000686e1b8f R14: 0000000000499600 R15: 0000000000000000
| [  160.935317][ T1711] ------------[ cut here ]------------
| [ 160.935666][ T1711] WARNING: CPU: 1 PID: 1711 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) 
| [  160.937843][ T1711] Modules linked in: act_gact act_pedit cls_flower bridge stp llc sch_ingress vrf veth
| [  160.939247][ T1711] Tainted: [W]=WARN
[  160.939498][ T1711] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 160.940070][ T1711] 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) 
[ 160.940408][ T1711] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  160.941773][ T1711] RSP: 0018:ffffc90002d46f70 EFLAGS: 00010246
[  160.942188][ T1711] RAX: 0000000000000000 RBX: ffff8880051ea000 RCX: 0000000000000001
[  160.942673][ T1711] RDX: 0000000000000000 RSI: ffffffff8589b941 RDI: ffffffff850555e0
[  160.943325][ T1711] RBP: ffffc90002d47058 R08: 0000000000000000 R09: 0000000000000000
[  160.943938][ T1711] R10: ffffc90002d47088 R11: ffffffff85d79160 R12: 1ffff920005a8df2
[  160.944425][ T1711] R13: 00000000000005dc R14: ffffc90002d47088 R15: ffff8880051eaf08
[  160.944963][ T1711] FS:  00007fc5414df800(0000) GS:ffff8880a7b37000(0000) knlGS:0000000000000000
[  160.945529][ T1711] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  160.945941][ T1711] CR2: 00000000004e5aa8 CR3: 0000000008bf7002 CR4: 0000000000772ef0
[  160.946424][ T1711] PKRU: 55555554
[  160.946667][ T1711] Call Trace:
[  160.946927][ T1711]  <TASK>
[ 160.947102][ T1711] ? __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) 
[ 160.947508][ T1711] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 160.947890][ T1711] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 160.948216][ T1711] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 160.948556][ T1711] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 160.948910][ T1711] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 160.949236][ T1711] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.949565][ T1711] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.949897][ T1711] ? ___sys_sendmsg (net/socket.c:2670) 
[ 160.950224][ T1711] ? __sys_sendmsg (net/socket.c:2700) 
[ 160.950546][ T1711] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.950888][ T1711] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 160.951286][ T1711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.951615][ T1711] netif_set_mtu (net/core/dev.c:9652) 
[ 160.951948][ T1711] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 160.952290][ T1711] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 160.952554][ T1711] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 160.953026][ T1711] br_del_if (net/bridge/br_if.c:743) bridge 
[ 160.953383][ T1711] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 160.953718][ T1711] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 160.954057][ T1711] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 160.954383][ T1711] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 160.954816][ T1711] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 160.955140][ T1711] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 160.955465][ T1711] ? __kernel_text_address (kernel/extable.c:79) 
[ 160.955800][ T1711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.956127][ T1711] ? __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) 
[ 160.956450][ T1711] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 160.956891][ T1711] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.957225][ T1711] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.957545][ T1711] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 160.957874][ T1711] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 160.958195][ T1711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.958515][ T1711] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 160.958853][ T1711] ? __create_object (mm/kmemleak.c:771) 
[ 160.959184][ T1711] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 160.959509][ T1711] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 160.959847][ T1711] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 160.960245][ T1711] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 160.960601][ T1711] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 160.960945][ T1711] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.961268][ T1711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.961595][ T1711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.961926][ T1711] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 160.962247][ T1711] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.962576][ T1711] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 160.962917][ T1711] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 160.963246][ T1711] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.963569][ T1711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.963922][ T1711] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 160.964243][ T1711] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 160.964590][ T1711] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 160.964945][ T1711] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 160.965267][ T1711] ? 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) 
[ 160.965588][ T1711] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 160.965922][ T1711] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 160.966242][ T1711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.966569][ T1711] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 160.966929][ T1711] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 160.967263][ T1711] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 160.967589][ T1711] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 160.967924][ T1711] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 160.968244][ T1711] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 160.968683][ T1711] ___sys_sendmsg (net/socket.c:2670) 
[ 160.969015][ T1711] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 160.969336][ T1711] ? __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) 
[ 160.969743][ T1711] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 160.970075][ T1711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.970401][ T1711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 160.970730][ T1711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 160.971068][ T1711] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 160.971388][ T1711] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 160.971717][ T1711] __sys_sendmsg (net/socket.c:2700) 
[ 160.972046][ T1711] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 160.972444][ T1711] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 160.972814][ T1711] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 160.973140][ T1711] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 160.973467][ T1711] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  160.973887][ T1711] RIP: 0033:0x7fc5416ac1e7
[ 160.974219][ T1711] 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)
[  160.975388][ T1711] RSP: 002b:00007ffc0c3c1638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  160.975885][ T1711] RAX: ffffffffffffffda RBX: 00007ffc0c3c1d60 RCX: 00007fc5416ac1e7
[  160.976367][ T1711] RDX: 0000000000000000 RSI: 00007ffc0c3c16a0 RDI: 0000000000000005
[  160.976897][ T1711] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  160.977379][ T1711] R10: 00007fc5415a9ee8 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