======================================
| [   19.621361][  T309] veth1: entered promiscuous mode
| [   19.624314][  T309] ------------[ cut here ]------------
| [ 19.624645][ T309] WARNING: CPU: 1 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) 
| [   19.625295][  T309] Modules linked in: bridge stp llc sch_ingress vrf veth
[   19.626425][  T309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.626846][ 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) 
[ 19.627202][ T309] 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
[   19.628317][  T309] RSP: 0018:ffffc900005f6ef0 EFLAGS: 00010246
[   19.628710][  T309] RAX: 0000000000000000 RBX: ffff8880128f2000 RCX: 0000000000000001
[   19.629179][  T309] RDX: 0000000000000000 RSI: ffffffffa4e9b939 RDI: ffffffffa46555e0
[   19.629650][  T309] RBP: ffffc900005f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.630120][  T309] R10: ffffc900005f7010 R11: ffffffffa5ca8918 R12: 1ffff920000bede2
[   19.630592][  T309] R13: 00000000000005dc R14: ffffc900005f7010 R15: ffff8880128f2f08
[   19.631089][  T309] FS:  00007f46df7b5800(0000) GS:ffff88808f337000(0000) knlGS:0000000000000000
[   19.631627][  T309] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.632024][  T309] CR2: 00000000004e5aa8 CR3: 0000000011384001 CR4: 0000000000772ef0
[   19.632497][  T309] PKRU: 55555554
[   19.632736][  T309] Call Trace:
[   19.633002][  T309]  <TASK>
[ 19.633174][ T309] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.633488][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.634084][ T309] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.634396][ T309] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.634803][ T309] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.635120][ T309] netif_set_mtu (net/core/dev.c:9652) 
[ 19.635440][ T309] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.635772][ T309] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.636212][ T309] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.636444][ T309] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.636880][ T309] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.637244][ T309] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 19.637578][ T309] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.637907][ T309] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.638296][ T309] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.638607][ T309] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.638940][ T309] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.639253][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.639565][ 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) 
[ 19.639896][ T309] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.640289][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.640603][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.640917][ T309] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.641220][ T309] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.641526][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.641852][ T309] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.642179][ T309] ? __create_object (mm/kmemleak.c:771) 
[ 19.642487][ T309] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.642816][ T309] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.643121][ T309] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.643517][ T309] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.643838][ T309] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.644148][ T309] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.644489][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.644837][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.645145][ T309] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.645448][ T309] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.645766][ T309] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.646089][ T309] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.646393][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.646699][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.647042][ T309] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.647353][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.647657][ T309] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.647987][ T309] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.648292][ 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) 
[ 19.648599][ T309] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 19.648926][ T309] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.649252][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.649604][ T309] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.649942][ T309] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.650288][ T309] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.650627][ T309] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.650963][ T309] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.651268][ T309] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.651674][ T309] ___sys_sendmsg (net/socket.c:2670) 
[ 19.652028][ T309] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.652348][ 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) 
[ 19.652731][ T309] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.653529][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.653865][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.654180][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.654487][ 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) 
[ 19.654836][ T309] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.655154][ T309] __sys_sendmsg (net/socket.c:2700) 
[ 19.655458][ T309] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.655867][ T309] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.656196][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.656509][ T309] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.656828][ T309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.657219][  T309] RIP: 0033:0x7f46df9821e7
[ 19.657540][ 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)
[   19.658645][  T309] RSP: 002b:00007fff38ef1718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.659151][  T309] RAX: ffffffffffffffda RBX: 00007fff38ef1e40 RCX: 00007f46df9821e7
[   19.659624][  T309] RDX: 0000000000000000 RSI: 00007fff38ef1780 RDI: 0000000000000005
[   19.660096][  T309] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.660579][  T309] R10: 000000000c52d910 R11: 0000000000000246 R12: 0000000000000004
[   19.661068][  T309] R13: 00000000686e63ce R14: 0000000000499600 R15: 0000000000000000
| [   19.893705][  T311] ------------[ cut here ]------------
| [ 19.894030][ T311] WARNING: CPU: 1 PID: 311 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) 
| [   19.894633][  T311] Modules linked in: bridge stp llc sch_ingress vrf veth
| [   19.897207][  T311] Tainted: [W]=WARN
[   19.897541][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.897935][ T311] 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) 
[ 19.898255][ T311] 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
[   19.899368][  T311] RSP: 0018:ffffc90000566ef0 EFLAGS: 00010246
[   19.899770][  T311] RAX: 0000000000000000 RBX: ffff8880128f2000 RCX: 0000000000000001
[   19.900238][  T311] RDX: 0000000000000000 RSI: ffffffffa4e9b939 RDI: ffffffffa46555e0
[   19.900695][  T311] RBP: ffffc90000566fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.901176][  T311] R10: ffffc90000567010 R11: ffffffffa5ca8918 R12: 1ffff920000acde2
[   19.901641][  T311] R13: 00000000000005dc R14: ffffc90000567010 R15: ffff8880128f2f08
[   19.902118][  T311] FS:  00007f386f875800(0000) GS:ffff88808f337000(0000) knlGS:0000000000000000
[   19.902646][  T311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.903050][  T311] CR2: 00000000004e5ab0 CR3: 00000000116aa003 CR4: 0000000000772ef0
[   19.903519][  T311] PKRU: 55555554
[   19.903764][  T311] Call Trace:
[   19.903996][  T311]  <TASK>
[ 19.904155][ T311] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.904463][ T311] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.904800][ T311] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.905104][ T311] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.905486][ T311] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.905821][ T311] netif_set_mtu (net/core/dev.c:9652) 
[ 19.906135][ T311] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.906455][ T311] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.906893][ T311] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.907127][ T311] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.907545][ T311] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.907922][ T311] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 19.908237][ T311] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.908550][ T311] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.908968][ T311] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.909278][ T311] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.909584][ T311] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.909905][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.910220][ T311] ? __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) 
[ 19.910527][ T311] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.910919][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.911227][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.911538][ T311] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.911859][ T311] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.912180][ T311] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.912501][ T311] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.912822][ T311] ? __create_object (mm/kmemleak.c:771) 
[ 19.913130][ T311] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.913450][ T311] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.913767][ T311] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.914146][ T311] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.914457][ T311] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.914779][ T311] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.915091][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.915404][ T311] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.915710][ T311] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.916037][ T311] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.916341][ T311] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.916646][ T311] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.916962][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.917273][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.917597][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.917912][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.918218][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.918542][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.918866][ T311] ? 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) 
[ 19.919177][ T311] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 19.919485][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.919806][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.920126][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.920442][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.920764][ T311] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.921083][ T311] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.921399][ T311] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.921703][ T311] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.922110][ T311] ___sys_sendmsg (net/socket.c:2670) 
[ 19.922416][ T311] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.922729][ T311] ? __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) 
[ 19.923175][ T311] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.923513][ T311] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.923848][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.924176][ T311] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.924509][ T311] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.924858][ T311] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.925178][ T311] __sys_sendmsg (net/socket.c:2700) 
[ 19.925487][ T311] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.925893][ T311] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.926217][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.926528][ T311] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.926854][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.927242][  T311] RIP: 0033:0x7f386fa421e7
[ 19.927569][ T311] 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)
[   19.928689][  T311] RSP: 002b:00007ffd6c6ec588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.929174][  T311] RAX: ffffffffffffffda RBX: 00007ffd6c6eccb0 RCX: 00007f386fa421e7
[   19.929641][  T311] RDX: 0000000000000000 RSI: 00007ffd6c6ec5f0 RDI: 0000000000000005
[   19.930116][  T311] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.930580][  T311] R10: 000000002b10b910 R11: 0000000000000246 R12: 0000000000000004
[   19.931064][  T311] R13: 00000000686e63ce R14: 0000000000499600 R15: 0000000000000000
| [  164.534484][ T1707] ------------[ cut here ]------------
| [ 164.534831][ T1707] WARNING: CPU: 1 PID: 1707 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) 
| [  164.535439][ T1707] Modules linked in: act_gact act_pedit cls_flower bridge stp llc sch_ingress vrf veth
| [  164.538522][ T1707] Tainted: [W]=WARN
[  164.538938][ T1707] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.539325][ T1707] 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) 
[ 164.539647][ T1707] 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
[  164.540897][ T1707] RSP: 0018:ffffc90002d3ef70 EFLAGS: 00010246
[  164.541288][ T1707] RAX: 0000000000000000 RBX: ffff8880128f2000 RCX: 0000000000000001
[  164.541764][ T1707] RDX: 0000000000000000 RSI: ffffffffa4e9b939 RDI: ffffffffa46555e0
[  164.542233][ T1707] RBP: ffffc90002d3f058 R08: 0000000000000000 R09: 0000000000000000
[  164.542692][ T1707] R10: ffffc90002d3f088 R11: ffffffffa21224d4 R12: 1ffff920005a7df2
[  164.543164][ T1707] R13: 00000000000005dc R14: ffffc90002d3f088 R15: ffff8880128f2f08
[  164.543618][ T1707] FS:  00007fe54d6a3800(0000) GS:ffff88808f337000(0000) knlGS:0000000000000000
[  164.544154][ T1707] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.544542][ T1707] CR2: 00000000004e5ab0 CR3: 0000000016b99001 CR4: 0000000000772ef0
[  164.545005][ T1707] PKRU: 55555554
[  164.545233][ T1707] Call Trace:
[  164.545460][ T1707]  <TASK>
[ 164.545613][ T1707] ? __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) 
[ 164.546056][ T1707] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 164.546416][ T1707] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 164.546737][ T1707] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 164.547070][ T1707] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.547378][ T1707] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 164.547687][ T1707] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.548002][ T1707] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.548317][ T1707] ? ___sys_sendmsg (net/socket.c:2670) 
[ 164.548623][ T1707] ? __sys_sendmsg (net/socket.c:2700) 
[ 164.548937][ T1707] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.549252][ T1707] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 164.549636][ T1707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.549967][ T1707] netif_set_mtu (net/core/dev.c:9652) 
[ 164.550278][ T1707] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.550611][ T1707] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.550864][ T1707] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.551293][ T1707] br_del_if (net/bridge/br_if.c:743) bridge 
[ 164.551642][ T1707] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 164.551960][ T1707] do_set_master (net/core/rtnetlink.c:2932) 
[ 164.552272][ T1707] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 164.552584][ T1707] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 164.552985][ T1707] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 164.553296][ T1707] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 164.553605][ T1707] ? __kernel_text_address (kernel/extable.c:79) 
[ 164.553935][ T1707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.554256][ T1707] ? __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) 
[ 164.554564][ T1707] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 164.554964][ T1707] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.555278][ T1707] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.555590][ T1707] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 164.555907][ T1707] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 164.556229][ T1707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.556544][ T1707] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.556857][ T1707] ? __create_object (mm/kmemleak.c:771) 
[ 164.557170][ T1707] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 164.557480][ T1707] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 164.557820][ T1707] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 164.558206][ T1707] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 164.558524][ T1707] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.558862][ T1707] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.559171][ T1707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.559484][ T1707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.559801][ T1707] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.560108][ T1707] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.560418][ T1707] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.560723][ T1707] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.561042][ T1707] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.561361][ T1707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.561672][ T1707] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.561990][ T1707] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.562299][ T1707] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.562616][ T1707] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.562939][ T1707] ? 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) 
[ 164.563249][ T1707] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 164.563563][ T1707] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.563879][ T1707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.564193][ T1707] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.564505][ T1707] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.564823][ T1707] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.565140][ T1707] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.565451][ T1707] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.565772][ T1707] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.566186][ T1707] ___sys_sendmsg (net/socket.c:2670) 
[ 164.566490][ T1707] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 164.566815][ T1707] ? __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) 
[ 164.567202][ T1707] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.567513][ T1707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.567836][ T1707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.568158][ T1707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.568465][ T1707] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 164.568780][ T1707] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.569098][ T1707] __sys_sendmsg (net/socket.c:2700) 
[ 164.569404][ T1707] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 164.569793][ T1707] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.570122][ T1707] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.570430][ T1707] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.570763][ T1707] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.571151][ T1707] RIP: 0033:0x7fe54d8701e7
[ 164.571471][ T1707] 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)
[  164.572597][ T1707] RSP: 002b:00007ffc38d699d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.573075][ T1707] RAX: ffffffffffffffda RBX: 00007ffc38d6a100 RCX: 00007fe54d8701e7
[  164.573540][ T1707] RDX: 0000000000000000 RSI: 00007ffc38d69a40 RDI: 0000000000000005
[  164.574007][ T1707] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  164.574474][ T1707] R10: 00007fe54d76dee8 R11: 0000000000000246 R12: 0000000000000003
[  164.574956][ T1707] R13: 00000000686e645f R14: 0000000000499600 R15: 0000000000000000
| [  164.810060][ T1709] ------------[ cut here ]------------
| [ 164.810414][ T1709] WARNING: CPU: 1 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) 
| [  164.811099][ T1709] Modules linked in: act_gact act_pedit cls_flower bridge stp llc sch_ingress vrf veth
| [  164.812555][ T1709] Tainted: [W]=WARN
[  164.812806][ T1709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.813204][ 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) 
[ 164.813542][ T1709] 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
[  164.814679][ T1709] RSP: 0018:ffffc90002d3ef70 EFLAGS: 00010246
[  164.815095][ T1709] RAX: 0000000000000000 RBX: ffff8880128f2000 RCX: 0000000000000001
[  164.815581][ T1709] RDX: 0000000000000000 RSI: ffffffffa4e9b939 RDI: ffffffffa46555e0
[  164.816076][ T1709] RBP: ffffc90002d3f058 R08: 0000000000000000 R09: 0000000000000000
[  164.816555][ T1709] R10: ffffc90002d3f088 R11: ffffffffa5379160 R12: 1ffff920005a7df2
[  164.817037][ T1709] R13: 00000000000005dc R14: ffffc90002d3f088 R15: ffff8880128f2f08
[  164.817512][ T1709] FS:  00007f605002b800(0000) GS:ffff88808f337000(0000) knlGS:0000000000000000
[  164.818080][ T1709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.818479][ T1709] CR2: 00000000004e5aa8 CR3: 00000000155ea003 CR4: 0000000000772ef0
[  164.818979][ T1709] PKRU: 55555554
[  164.819219][ T1709] Call Trace:
[  164.819456][ T1709]  <TASK>
[ 164.819616][ 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) 
[ 164.820028][ T1709] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 164.820397][ T1709] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 164.820719][ T1709] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 164.821045][ T1709] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.821363][ T1709] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 164.821679][ T1709] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.822002][ T1709] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.822328][ T1709] ? ___sys_sendmsg (net/socket.c:2670) 
[ 164.822646][ T1709] ? __sys_sendmsg (net/socket.c:2700) 
[ 164.822981][ T1709] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.823301][ T1709] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 164.823704][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.824040][ T1709] netif_set_mtu (net/core/dev.c:9652) 
[ 164.824369][ T1709] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.824701][ T1709] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.824958][ T1709] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.825399][ T1709] br_del_if (net/bridge/br_if.c:743) bridge 
[ 164.825767][ T1709] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 164.826095][ T1709] do_set_master (net/core/rtnetlink.c:2932) 
[ 164.826421][ T1709] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 164.826768][ T1709] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 164.827177][ T1709] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 164.827504][ T1709] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 164.827831][ T1709] ? __kernel_text_address (kernel/extable.c:79) 
[ 164.828154][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.828476][ 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) 
[ 164.828819][ T1709] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 164.829217][ T1709] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.829537][ T1709] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.829870][ T1709] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 164.830205][ T1709] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 164.830524][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.830861][ T1709] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.831177][ T1709] ? __create_object (mm/kmemleak.c:771) 
[ 164.831499][ T1709] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 164.831827][ T1709] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 164.832147][ T1709] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 164.832547][ T1709] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 164.832879][ T1709] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.833203][ T1709] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.833521][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.833855][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.834178][ T1709] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.834493][ T1709] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.834832][ T1709] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.835157][ T1709] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.835477][ T1709] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.835806][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.836145][ T1709] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.836464][ T1709] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.836794][ T1709] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.837124][ T1709] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.837451][ 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) 
[ 164.837779][ T1709] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 164.838100][ T1709] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.838418][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.838761][ T1709] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.839088][ T1709] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.839407][ T1709] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.839740][ T1709] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.840077][ T1709] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.840395][ T1709] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.840814][ T1709] ___sys_sendmsg (net/socket.c:2670) 
[ 164.841131][ T1709] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 164.841456][ 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) 
[ 164.841866][ T1709] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.842192][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.842515][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.842857][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.843179][ 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) 
[ 164.843498][ T1709] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.843836][ T1709] __sys_sendmsg (net/socket.c:2700) 
[ 164.844154][ T1709] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 164.844560][ T1709] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.844901][ T1709] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.845226][ T1709] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.845545][ T1709] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.845954][ T1709] RIP: 0033:0x7f60501f81e7
[ 164.846286][ 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)
[  164.847444][ T1709] RSP: 002b:00007ffdc123b3d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.847934][ T1709] RAX: ffffffffffffffda RBX: 00007ffdc123bb00 RCX: 00007f60501f81e7
[  164.848411][ T1709] RDX: 0000000000000000 RSI: 00007ffdc123b440 RDI: 0000000000000005
[  164.848895][ T1709] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  164.849381][ T1709] R10: 00007f60500f5ee8 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