======================================
| [   77.930230][  T630] veth1: entered promiscuous mode
| [   77.932507][  T630] ------------[ cut here ]------------
| [ 77.932822][ T630] WARNING: CPU: 1 PID: 630 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) 
| [   77.933427][  T630] Modules linked in: bridge stp llc vrf macvlan veth
[   77.934464][  T630] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 77.934865][ T630] 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) 
[ 77.935183][ T630] 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
[   77.937104][  T630] RSP: 0018:ffffc900007f6ef0 EFLAGS: 00010246
[   77.937503][  T630] RAX: 0000000000000000 RBX: ffff88800a5fa000 RCX: 0000000000000001
[   77.937958][  T630] RDX: 0000000000000000 RSI: ffffffff9fe9b941 RDI: ffffffff9f6555e0
[   77.938409][  T630] RBP: ffffc900007f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   77.938891][  T630] R10: ffffc900007f7010 R11: ffffffffa0ca8918 R12: 1ffff920000fede2
[   77.939351][  T630] R13: 00000000000005dc R14: ffffc900007f7010 R15: ffff88800a5faf08
[   77.939815][  T630] FS:  00007fe0e0231800(0000) GS:ffff888094337000(0000) knlGS:0000000000000000
[   77.940352][  T630] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.940745][  T630] CR2: 00000000004e5aa8 CR3: 0000000005d60004 CR4: 0000000000772ef0
[   77.941211][  T630] PKRU: 55555554
[   77.941440][  T630] Call Trace:
[   77.941676][  T630]  <TASK>
[ 77.941837][ T630] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 77.942142][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 77.942457][ T630] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 77.942777][ T630] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 77.943167][ T630] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 77.943657][ T630] netif_set_mtu (net/core/dev.c:9652) 
[ 77.943963][ T630] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 77.944276][ T630] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 77.944723][ T630] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 77.944958][ T630] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 77.945373][ T630] br_add_if (net/bridge/br_if.c:697) bridge 
[ 77.945736][ T630] do_set_master (net/core/rtnetlink.c:2948) 
[ 77.946048][ T630] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 77.946354][ T630] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 77.946752][ T630] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 77.947063][ T630] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 77.947363][ T630] ? __kernel_text_address (kernel/extable.c:79) 
[ 77.947677][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 77.947985][ T630] ? __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) 
[ 77.948286][ T630] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 77.948666][ T630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 77.948971][ T630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 77.949269][ T630] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 77.949598][ T630] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 77.949901][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 77.950214][ T630] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 77.950523][ T630] ? __create_object (mm/kmemleak.c:771) 
[ 77.950832][ T630] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 77.951134][ T630] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 77.951438][ T630] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 77.951821][ T630] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 77.952128][ T630] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 77.952434][ T630] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 77.952744][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 77.953051][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 77.953351][ T630] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 77.953657][ T630] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 77.953960][ T630] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 77.954260][ T630] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 77.954571][ T630] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 77.954877][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 77.955185][ T630] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 77.955504][ T630] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 77.955813][ T630] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 77.956129][ T630] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 77.956430][ T630] ? 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) 
[ 77.956743][ T630] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 77.957048][ T630] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 77.957354][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 77.957666][ T630] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 77.957971][ T630] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 77.958275][ T630] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 77.958591][ T630] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 77.958901][ T630] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 77.959200][ T630] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 77.959607][ T630] ___sys_sendmsg (net/socket.c:2670) 
[ 77.959910][ T630] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 77.960226][ T630] ? __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) 
[ 77.960613][ T630] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 77.960919][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 77.961222][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 77.961535][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 77.961840][ T630] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 77.962143][ T630] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 77.962453][ T630] __sys_sendmsg (net/socket.c:2700) 
[ 77.962763][ T630] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 77.963138][ T630] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 77.963453][ T630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 77.963771][ T630] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 77.964082][ T630] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   77.964463][  T630] RIP: 0033:0x7fe0e03fe1e7
[ 77.964788][ T630] 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)
[   77.965873][  T630] RSP: 002b:00007ffec510fe38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   77.966336][  T630] RAX: ffffffffffffffda RBX: 00007ffec5110560 RCX: 00007fe0e03fe1e7
[   77.966797][  T630] RDX: 0000000000000000 RSI: 00007ffec510fea0 RDI: 0000000000000005
[   77.967252][  T630] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   77.967722][  T630] R10: 000000000444b910 R11: 0000000000000246 R12: 0000000000000003
[   77.968183][  T630] R13: 00000000686e4221 R14: 0000000000499600 R15: 0000000000000000
| [  120.507800][  T848] ------------[ cut here ]------------
| [ 120.508154][ T848] WARNING: CPU: 2 PID: 848 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) 
| [  120.508795][  T848] Modules linked in: bridge stp llc vrf macvlan veth
| [  120.510266][  T848] Tainted: [W]=WARN
[  120.510525][  T848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 120.510935][ T848] 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) 
[ 120.511273][ T848] 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
[  120.512625][  T848] RSP: 0018:ffffc90000da6ef0 EFLAGS: 00010246
[  120.513265][  T848] RAX: 0000000000000000 RBX: ffff88800c292000 RCX: 0000000000000001
[  120.513953][  T848] RDX: 0000000000000000 RSI: ffffffff9fe9b941 RDI: ffffffff9f6555e0
[  120.514609][  T848] RBP: ffffc90000da6fe0 R08: 0000000000000000 R09: 0000000000000000
[  120.515234][  T848] R10: ffffc90000da7010 R11: ffffffffa0ca8918 R12: 1ffff920001b4de2
[  120.515855][  T848] R13: 00000000000005dc R14: ffffc90000da7010 R15: ffff88800c292f08
[  120.516486][  T848] FS:  00007fe7533c2800(0000) GS:ffff8880943b7000(0000) knlGS:0000000000000000
[  120.517063][  T848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  120.517505][  T848] CR2: 00000000004e5aa8 CR3: 000000000fac0006 CR4: 0000000000772ef0
[  120.518020][  T848] PKRU: 55555554
[  120.518294][  T848] Call Trace:
[  120.518559][  T848]  <TASK>
[ 120.518752][ T848] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 120.519100][ T848] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.519441][ T848] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 120.519774][ T848] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 120.520192][ T848] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 120.520534][ T848] netif_set_mtu (net/core/dev.c:9652) 
[ 120.520853][ T848] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 120.521189][ T848] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 120.521650][ T848] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 120.521899][ T848] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 120.522348][ T848] br_add_if (net/bridge/br_if.c:697) bridge 
[ 120.522726][ T848] do_set_master (net/core/rtnetlink.c:2948) 
[ 120.523057][ T848] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 120.523382][ T848] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 120.523788][ T848] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 120.524126][ T848] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 120.524461][ T848] ? __kernel_text_address (kernel/extable.c:79) 
[ 120.524815][ T848] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.525144][ T848] ? __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) 
[ 120.525471][ T848] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 120.525874][ T848] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.526202][ T848] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.526530][ T848] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 120.526856][ T848] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 120.527189][ T848] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.527530][ T848] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 120.527851][ T848] ? __create_object (mm/kmemleak.c:771) 
[ 120.528184][ T848] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 120.528517][ T848] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 120.528835][ T848] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 120.529237][ T848] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 120.529586][ T848] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 120.529912][ T848] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.530255][ T848] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.530595][ T848] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.530933][ T848] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 120.531259][ T848] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.531589][ T848] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.531905][ T848] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 120.532227][ T848] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.532563][ T848] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.532903][ T848] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 120.533227][ T848] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.533566][ T848] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 120.533902][ T848] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 120.534244][ T848] ? 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) 
[ 120.534588][ T848] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 120.534952][ T848] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 120.535274][ T848] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.535628][ T848] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 120.535964][ T848] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 120.536290][ T848] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 120.536635][ T848] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 120.536963][ T848] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 120.537299][ T848] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 120.537726][ T848] ___sys_sendmsg (net/socket.c:2670) 
[ 120.538054][ T848] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 120.538379][ T848] ? __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) 
[ 120.538792][ T848] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 120.539115][ T848] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.539440][ T848] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.539776][ T848] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.540103][ T848] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 120.540439][ T848] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.540784][ T848] __sys_sendmsg (net/socket.c:2700) 
[ 120.541108][ T848] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 120.541517][ T848] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 120.541867][ T848] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.542203][ T848] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 120.542534][ T848] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  120.542947][  T848] RIP: 0033:0x7fe75358f1e7
[ 120.543287][ T848] 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)
[  120.544452][  T848] RSP: 002b:00007fffc69510f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  120.544964][  T848] RAX: ffffffffffffffda RBX: 00007fffc6951820 RCX: 00007fe75358f1e7
[  120.545485][  T848] RDX: 0000000000000000 RSI: 00007fffc6951160 RDI: 0000000000000005
[  120.545988][  T848] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  120.547040][  T848] R10: 00000000150be910 R11: 0000000000000246 R12: 0000000000000003
[  120.547556][  T848] R13: 00000000686e424c R14: 0000000000499600 R15: 0000000000000000
| [  220.368726][ T1427] ------------[ cut here ]------------
| [ 220.369031][ T1427] WARNING: CPU: 3 PID: 1427 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) 
| [  220.370470][ T1427] Modules linked in: 8021q bridge stp llc vrf macvlan veth
| [  220.371634][ T1427] Tainted: [W]=WARN
[  220.371869][ T1427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 220.372262][ T1427] 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) 
[ 220.372599][ T1427] 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
[  220.373705][ T1427] RSP: 0018:ffffc90000d16ef0 EFLAGS: 00010246
[  220.374089][ T1427] RAX: 0000000000000000 RBX: ffff88800c292000 RCX: 0000000000000001
[  220.374554][ T1427] RDX: 0000000000000000 RSI: ffffffff9fe9b941 RDI: ffffffff9f6555e0
[  220.375018][ T1427] RBP: ffffc90000d16fe0 R08: 0000000000000000 R09: 0000000000000000
[  220.375470][ T1427] R10: ffffc90000d17010 R11: ffffffffa0ca8918 R12: 1ffff920001a2de2
[  220.375947][ T1427] R13: 00000000000005dc R14: ffffc90000d17010 R15: ffff88800c292f08
[  220.376412][ T1427] FS:  00007f9b906ac800(0000) GS:ffff888094437000(0000) knlGS:0000000000000000
[  220.376972][ T1427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  220.377364][ T1427] CR2: 00000000004e5aa8 CR3: 000000000ba17002 CR4: 0000000000772ef0
[  220.377847][ T1427] PKRU: 55555554
[  220.378083][ T1427] Call Trace:
[  220.378322][ T1427]  <TASK>
[ 220.378490][ T1427] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 220.378808][ T1427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 220.379136][ T1427] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 220.379451][ T1427] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 220.379849][ T1427] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 220.380162][ T1427] netif_set_mtu (net/core/dev.c:9652) 
[ 220.380498][ T1427] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 220.380818][ T1427] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 220.381257][ T1427] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 220.381507][ T1427] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 220.381928][ T1427] br_add_if (net/bridge/br_if.c:697) bridge 
[ 220.382273][ T1427] ? cycle_netdev (drivers/net/vrf.c:1055) vrf 
[ 220.382590][ T1427] do_set_master (net/core/rtnetlink.c:2948) 
[ 220.382903][ T1427] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 220.383214][ T1427] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 220.383607][ T1427] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 220.383921][ T1427] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 220.384224][ T1427] ? __kernel_text_address (kernel/extable.c:79) 
[ 220.384554][ T1427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 220.384871][ T1427] ? __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) 
[ 220.385176][ T1427] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 220.385562][ T1427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 220.385873][ T1427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 220.386184][ T1427] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 220.386501][ T1427] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 220.386807][ T1427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 220.387113][ T1427] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 220.387416][ T1427] ? __create_object (mm/kmemleak.c:771) 
[ 220.387730][ T1427] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 220.388038][ T1427] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 220.388344][ T1427] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 220.388748][ T1427] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 220.389061][ T1427] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 220.389370][ T1427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 220.389681][ T1427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 220.389995][ T1427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 220.390309][ T1427] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 220.390623][ T1427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 220.390955][ T1427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 220.391272][ T1427] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 220.391586][ T1427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 220.391897][ T1427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 220.392208][ T1427] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 220.392536][ T1427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 220.392894][ T1427] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 220.393211][ T1427] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 220.393531][ T1427] ? 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) 
[ 220.393838][ T1427] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 220.394144][ T1427] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 220.394450][ T1427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 220.394767][ T1427] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 220.395130][ T1427] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 220.395457][ T1427] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 220.395805][ T1427] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 220.396134][ T1427] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 220.396456][ T1427] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 220.396890][ T1427] ___sys_sendmsg (net/socket.c:2670) 
[ 220.397211][ T1427] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 220.397539][ T1427] ? __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) 
[ 220.397945][ T1427] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 220.398294][ T1427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 220.398613][ T1427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 220.398925][ T1427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 220.399229][ T1427] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 220.399539][ T1427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 220.399891][ T1427] __sys_sendmsg (net/socket.c:2700) 
[ 220.400213][ T1427] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 220.400651][ T1427] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 220.400989][ T1427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 220.401318][ T1427] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 220.401650][ T1427] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  220.402053][ T1427] RIP: 0033:0x7f9b908791e7
[ 220.402383][ T1427] 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)
[  220.403539][ T1427] RSP: 002b:00007ffc23990808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  220.404024][ T1427] RAX: ffffffffffffffda RBX: 00007ffc23990f30 RCX: 00007f9b908791e7
[  220.404526][ T1427] RDX: 0000000000000000 RSI: 00007ffc23990870 RDI: 0000000000000005
[  220.405016][ T1427] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  220.405506][ T1427] R10: 0000000028496910 R11: 0000000000000246 R12: 0000000000000003
[  220.405989][ T1427] R13: 00000000686e42b0 R14: 0000000000499600 R15: 0000000000000000
| [  277.234143][ T1762] ------------[ cut here ]------------
| [ 277.234828][ T1762] WARNING: CPU: 3 PID: 1762 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) 
| [  277.235822][ T1762] Modules linked in: 8021q bridge stp llc vrf macvlan veth
| [  277.238767][ T1762] Tainted: [W]=WARN
[  277.239200][ T1762] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 277.239892][ T1762] 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) 
[ 277.240313][ T1762] 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
[  277.241963][ T1762] RSP: 0018:ffffc90001986ef0 EFLAGS: 00010246
[  277.242674][ T1762] RAX: 0000000000000000 RBX: ffff88800c292000 RCX: 0000000000000001
[  277.243514][ T1762] RDX: 0000000000000000 RSI: ffffffff9fe9b941 RDI: ffffffff9f6555e0
[  277.244096][ T1762] RBP: ffffc90001986fe0 R08: 0000000000000000 R09: 0000000000000000
[  277.244652][ T1762] R10: ffffc90001987010 R11: ffffffffa0ca8918 R12: 1ffff92000330de2
[  277.245151][ T1762] R13: 00000000000005dc R14: ffffc90001987010 R15: ffff88800c292f08
[  277.245650][ T1762] FS:  00007fc914c9d800(0000) GS:ffff888094437000(0000) knlGS:0000000000000000
[  277.246272][ T1762] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  277.246777][ T1762] CR2: 00000000004e5aa8 CR3: 0000000005273004 CR4: 0000000000772ef0
[  277.247344][ T1762] PKRU: 55555554
[  277.247600][ T1762] Call Trace:
[  277.247845][ T1762]  <TASK>
[ 277.248014][ T1762] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 277.248357][ T1762] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 277.248698][ T1762] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 277.249044][ T1762] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 277.249584][ T1762] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 277.249918][ T1762] netif_set_mtu (net/core/dev.c:9652) 
[ 277.250365][ T1762] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 277.250703][ T1762] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 277.251307][ T1762] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 277.251561][ T1762] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 277.252098][ T1762] br_add_if (net/bridge/br_if.c:697) bridge 
[ 277.252552][ T1762] ? cycle_netdev (drivers/net/vrf.c:1055) vrf 
[ 277.252868][ T1762] do_set_master (net/core/rtnetlink.c:2948) 
[ 277.253279][ T1762] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 277.253622][ T1762] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 277.254048][ T1762] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 277.254430][ T1762] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 277.254861][ T1762] ? __kernel_text_address (kernel/extable.c:79) 
[ 277.255301][ T1762] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 277.255650][ T1762] ? __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) 
[ 277.255959][ T1762] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 277.256443][ T1762] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 277.256854][ T1762] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 277.257197][ T1762] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 277.257605][ T1762] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 277.257955][ T1762] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 277.258366][ T1762] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 277.258708][ T1762] ? __create_object (mm/kmemleak.c:771) 
[ 277.259146][ T1762] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 277.259582][ T1762] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 277.259988][ T1762] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 277.260513][ T1762] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 277.260924][ T1762] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 277.261254][ T1762] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 277.261681][ T1762] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 277.262017][ T1762] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 277.262358][ T1762] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 277.262687][ T1762] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 277.263011][ T1762] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 277.263520][ T1762] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 277.263836][ T1762] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 277.264160][ T1762] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 277.264548][ T1762] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 277.264935][ T1762] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 277.265318][ T1762] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 277.265790][ T1762] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 277.266288][ T1762] ? 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) 
[ 277.266828][ T1762] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 277.267348][ T1762] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 277.267906][ T1762] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 277.268490][ T1762] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 277.269051][ T1762] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 277.269611][ T1762] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 277.270167][ T1762] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 277.270648][ T1762] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 277.270966][ T1762] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 277.271376][ T1762] ___sys_sendmsg (net/socket.c:2670) 
[ 277.271688][ T1762] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 277.271996][ T1762] ? __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) 
[ 277.272383][ T1762] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 277.272701][ T1762] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 277.273014][ T1762] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 277.273375][ T1762] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 277.273787][ T1762] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 277.274173][ T1762] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 277.274545][ T1762] __sys_sendmsg (net/socket.c:2700) 
[ 277.274872][ T1762] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 277.275273][ T1762] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 277.275615][ T1762] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 277.275941][ T1762] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 277.276260][ T1762] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  277.276676][ T1762] RIP: 0033:0x7fc914e6a1e7
[ 277.277007][ T1762] 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)
[  277.278119][ T1762] RSP: 002b:00007ffd19ffb3f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  277.278601][ T1762] RAX: ffffffffffffffda RBX: 00007ffd19ffbb20 RCX: 00007fc914e6a1e7
[  277.279066][ T1762] RDX: 0000000000000000 RSI: 00007ffd19ffb460 RDI: 0000000000000005
[  277.279549][ T1762] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  277.280109][ T1762] R10: 0000000001f22910 R11: 0000000000000246 R12: 0000000000000003
[  277.280605][ T1762] R13: 00000000686e42e8 R14: 0000000000499600 R15: 0000000000000000
| [  330.130980][ T2069] ------------[ cut here ]------------
| [ 330.131317][ T2069] WARNING: CPU: 0 PID: 2069 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) 
| [  330.131962][ T2069] Modules linked in: 8021q bridge stp llc vrf macvlan veth
| [  330.133110][ T2069] Tainted: [W]=WARN
[  330.133347][ T2069] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 330.133746][ T2069] 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) 
[ 330.134083][ T2069] 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
[  330.136523][ T2069] RSP: 0018:ffffc90001ec6ef0 EFLAGS: 00010246
[  330.136932][ T2069] RAX: 0000000000000000 RBX: ffff88800a5fa000 RCX: 0000000000000001
[  330.137428][ T2069] RDX: 0000000000000000 RSI: ffffffff9fe9b941 RDI: ffffffff9f6555e0
[  330.137921][ T2069] RBP: ffffc90001ec6fe0 R08: 0000000000000000 R09: 0000000000000000
[  330.138401][ T2069] R10: ffffc90001ec7010 R11: ffffffffa0ca8918 R12: 1ffff920003d8de2
[  330.138874][ T2069] R13: 00000000000005dc R14: ffffc90001ec7010 R15: ffff88800a5faf08
[  330.139343][ T2069] FS:  00007f5c2eeaa800(0000) GS:ffff8880942b7000(0000) knlGS:0000000000000000
[  330.139898][ T2069] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  330.140307][ T2069] CR2: 00000000004e5aa8 CR3: 000000000e802005 CR4: 0000000000772ef0
[  330.140797][ T2069] PKRU: 55555554
[  330.141027][ T2069] Call Trace:
[  330.141282][ T2069]  <TASK>
[ 330.141443][ T2069] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 330.141764][ T2069] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 330.142090][ T2069] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 330.142422][ T2069] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 330.142818][ T2069] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 330.143133][ T2069] netif_set_mtu (net/core/dev.c:9652) 
[ 330.143462][ T2069] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 330.143810][ T2069] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 330.144262][ T2069] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 330.144517][ T2069] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 330.144948][ T2069] br_add_if (net/bridge/br_if.c:697) bridge 
[ 330.145325][ T2069] do_set_master (net/core/rtnetlink.c:2948) 
[ 330.145661][ T2069] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 330.145987][ T2069] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 330.146399][ T2069] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 330.146727][ T2069] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 330.147052][ T2069] ? __kernel_text_address (kernel/extable.c:79) 
[ 330.147394][ T2069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 330.147729][ T2069] ? __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) 
[ 330.148046][ T2069] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 330.148443][ T2069] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 330.148767][ T2069] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 330.149088][ T2069] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 330.149432][ T2069] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 330.149747][ T2069] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 330.150059][ T2069] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 330.150372][ T2069] ? __create_object (mm/kmemleak.c:771) 
[ 330.150701][ T2069] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 330.151006][ T2069] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 330.151311][ T2069] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 330.151712][ T2069] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 330.152041][ T2069] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 330.152349][ T2069] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 330.152680][ T2069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 330.152994][ T2069] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 330.153297][ T2069] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 330.153621][ T2069] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 330.153935][ T2069] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 330.154255][ T2069] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 330.154604][ T2069] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 330.154921][ T2069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 330.155231][ T2069] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 330.155561][ T2069] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 330.155876][ T2069] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 330.156192][ T2069] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 330.156506][ T2069] ? 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) 
[ 330.156836][ T2069] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 330.157145][ T2069] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 330.157449][ T2069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 330.157793][ T2069] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 330.158106][ T2069] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 330.158413][ T2069] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 330.158749][ T2069] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 330.159085][ T2069] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 330.159400][ T2069] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 330.159832][ T2069] ___sys_sendmsg (net/socket.c:2670) 
[ 330.160148][ T2069] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 330.160485][ T2069] ? __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) 
[ 330.160897][ T2069] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 330.161228][ T2069] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 330.161585][ T2069] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 330.161908][ T2069] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 330.162214][ T2069] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 330.162586][ T2069] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 330.162915][ T2069] __sys_sendmsg (net/socket.c:2700) 
[ 330.163221][ T2069] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 330.163610][ T2069] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 330.163948][ T2069] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 330.164256][ T2069] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 330.164599][ T2069] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  330.164998][ T2069] RIP: 0033:0x7f5c2f0771e7
[ 330.165313][ T2069] 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)
[  330.166435][ T2069] RSP: 002b:00007ffe56a258d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  330.166931][ T2069] RAX: ffffffffffffffda RBX: 00007ffe56a26000 RCX: 00007f5c2f0771e7
[  330.167393][ T2069] RDX: 0000000000000000 RSI: 00007ffe56a25940 RDI: 0000000000000005
[  330.167877][ T2069] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  330.168341][ T2069] R10: 0000000010c9f910 R11: 0000000000000246 R12: 0000000000000003
[  330.168823][ T2069] R13: 00000000686e431d R14: 0000000000499600 R15: 0000000000000000
| [  373.106193][ T2293] ------------[ cut here ]------------
| [ 373.107081][ T2293] WARNING: CPU: 0 PID: 2293 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) 
| [  373.107699][ T2293] Modules linked in: 8021q bridge stp llc vrf macvlan veth
| [  373.108811][ T2293] Tainted: [W]=WARN
[  373.109045][ T2293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 373.109424][ T2293] 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) 
[ 373.109749][ T2293] 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
[  373.110902][ T2293] RSP: 0018:ffffc90002706ef0 EFLAGS: 00010246
[  373.111287][ T2293] RAX: 0000000000000000 RBX: ffff88800c292000 RCX: 0000000000000001
[  373.111767][ T2293] RDX: 0000000000000000 RSI: ffffffff9fe9b941 RDI: ffffffff9f6555e0
[  373.112230][ T2293] RBP: ffffc90002706fe0 R08: 0000000000000000 R09: 0000000000000000
[  373.112695][ T2293] R10: ffffc90002707010 R11: ffffffffa0ca8918 R12: 1ffff920004e0de2
[  373.113155][ T2293] R13: 00000000000005dc R14: ffffc90002707010 R15: ffff88800c292f08
[  373.113619][ T2293] FS:  00007f4b09a61800(0000) GS:ffff8880942b7000(0000) knlGS:0000000000000000
[  373.114154][ T2293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  373.114554][ T2293] CR2: 00000000004e5aa8 CR3: 000000000fbc9005 CR4: 0000000000772ef0
[  373.115017][ T2293] PKRU: 55555554
[  373.115245][ T2293] Call Trace:
[  373.115472][ T2293]  <TASK>
[ 373.115640][ T2293] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 373.115945][ T2293] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 373.116260][ T2293] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 373.116578][ T2293] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 373.116959][ T2293] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 373.117264][ T2293] netif_set_mtu (net/core/dev.c:9652) 
[ 373.117576][ T2293] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 373.117918][ T2293] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 373.118346][ T2293] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 373.118587][ T2293] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 373.119010][ T2293] br_add_if (net/bridge/br_if.c:697) bridge 
[ 373.119363][ T2293] do_set_master (net/core/rtnetlink.c:2948) 
[ 373.119684][ T2293] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 373.119996][ T2293] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 373.120380][ T2293] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 373.120705][ T2293] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 373.121012][ T2293] ? __kernel_text_address (kernel/extable.c:79) 
[ 373.121321][ T2293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 373.121638][ T2293] ? __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) 
[ 373.121944][ T2293] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 373.122322][ T2293] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 373.122635][ T2293] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 373.122938][ T2293] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 373.123246][ T2293] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 373.123556][ T2293] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 373.123864][ T2293] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 373.124165][ T2293] ? __create_object (mm/kmemleak.c:771) 
[ 373.124482][ T2293] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 373.124789][ T2293] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 373.125096][ T2293] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 373.125484][ T2293] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 373.125799][ T2293] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 373.126108][ T2293] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 373.126411][ T2293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 373.126749][ T2293] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 373.127054][ T2293] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 373.127354][ T2293] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 373.127669][ T2293] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 373.127972][ T2293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 373.128280][ T2293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 373.128595][ T2293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 373.128903][ T2293] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 373.129208][ T2293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 373.129522][ T2293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 373.129837][ T2293] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 373.130138][ T2293] ? 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) 
[ 373.130451][ T2293] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 373.130773][ T2293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 373.131080][ T2293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 373.131389][ T2293] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 373.131708][ T2293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 373.132013][ T2293] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 373.132326][ T2293] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 373.132646][ T2293] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 373.132952][ T2293] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 373.133340][ T2293] ___sys_sendmsg (net/socket.c:2670) 
[ 373.133650][ T2293] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 373.133955][ T2293] ? __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) 
[ 373.134333][ T2293] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 373.134647][ T2293] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 373.134958][ T2293] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 373.135267][ T2293] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 373.135580][ T2293] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 373.135887][ T2293] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 373.136202][ T2293] __sys_sendmsg (net/socket.c:2700) 
[ 373.136514][ T2293] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 373.136891][ T2293] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 373.137209][ T2293] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 373.137524][ T2293] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 373.137829][ T2293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  373.138205][ T2293] RIP: 0033:0x7f4b09c2e1e7
[ 373.138529][ T2293] 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)
[  373.139631][ T2293] RSP: 002b:00007fffd35addf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  373.140095][ T2293] RAX: ffffffffffffffda RBX: 00007fffd35ae520 RCX: 00007f4b09c2e1e7
[  373.140575][ T2293] RDX: 0000000000000000 RSI: 00007fffd35ade60 RDI: 0000000000000005
[  373.141044][ T2293] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  373.141511][ T2293] R10: 000000000be75910 R11: 0000000000000246 R12: 0000000000000003


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