======================================
| [   23.460181][  T346] br1: port 1(vx100) entered forwarding state
| [   23.461472][  T346] ------------[ cut here ]------------
| [ 23.461821][ T346] WARNING: CPU: 0 PID: 346 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.462469][  T346] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.464006][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.464423][ T346] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.464766][ T346] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.466117][  T346] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   23.466537][  T346] RAX: 0000000000000000 RBX: ffff88800b8c2000 RCX: 0000000000000001
[   23.467285][  T346] RDX: 0000000000000000 RSI: ffffffff8ba9b939 RDI: ffffffff8b2555e0
[   23.468045][  T346] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.468540][  T346] R10: ffffc900005e7010 R11: ffffffff8c8a8918 R12: 1ffff920000bcde2
[   23.469180][  T346] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff88800b8c2f08
[   23.469669][  T346] FS:  00007f3fa183d800(0000) GS:ffff8880a86b7000(0000) knlGS:0000000000000000
[   23.470293][  T346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.470723][  T346] CR2: 00000000004e6890 CR3: 000000000a437006 CR4: 0000000000772ef0
[   23.471236][  T346] PKRU: 55555554
[   23.471489][  T346] Call Trace:
[   23.471735][  T346]  <TASK>
[ 23.471915][ T346] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.472251][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.472871][ T346] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.473208][ T346] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.473623][ T346] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.473969][ T346] netif_set_mtu (net/core/dev.c:9652) 
[ 23.474314][ T346] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.474654][ T346] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.475125][ T346] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.475371][ T346] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.475822][ T346] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.476197][ T346] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 23.476538][ T346] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.476882][ T346] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.477295][ T346] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.477624][ T346] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.477957][ T346] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.478291][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.478623][ T346] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.478958][ T346] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.479363][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.479697][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.480045][ T346] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.480371][ T346] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.480698][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.481033][ T346] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.481358][ T346] ? __create_object (mm/kmemleak.c:771) 
[ 23.481691][ T346] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.482029][ T346] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.482358][ T346] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.482762][ T346] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.483103][ T346] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.483447][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.483772][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.484109][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.484435][ T346] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.484754][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.485173][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.485486][ T346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.485808][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.486124][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.486441][ T346] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.486752][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.487082][ T346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.487403][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.487718][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.488039][ T346] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.488375][ T346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.488686][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.489007][ T346] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.489335][ T346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.489649][ T346] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.490011][ T346] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.490333][ T346] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.490637][ T346] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.491048][ T346] ___sys_sendmsg (net/socket.c:2670) 
[ 23.491356][ T346] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.491665][ T346] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.492064][ T346] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.492383][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.492697][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.493041][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.493367][ T346] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.493685][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.494022][ T346] __sys_sendmsg (net/socket.c:2700) 
[ 23.494344][ T346] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.494738][ T346] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.495069][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.495395][ T346] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.495709][ T346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.496101][  T346] RIP: 0033:0x7f3fa1a0a1e7
[ 23.496426][ T346] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.497559][  T346] RSP: 002b:00007ffd85ece028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.498040][  T346] RAX: ffffffffffffffda RBX: 00007ffd85ece750 RCX: 00007f3fa1a0a1e7
[   23.498805][  T346] RDX: 0000000000000000 RSI: 00007ffd85ece090 RDI: 0000000000000005
[   23.499273][  T346] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.499739][  T346] R10: 000000000984e910 R11: 0000000000000246 R12: 0000000000000004
[   23.500225][  T346] R13: 00000000686e6860 R14: 0000000000499600 R15: 0000000000000000
| [   23.760353][  T348] ------------[ cut here ]------------
| [ 23.760715][ T348] WARNING: CPU: 2 PID: 348 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.761369][  T348] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.762662][  T348] Tainted: [W]=WARN
[   23.762924][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.763321][ T348] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.763662][ T348] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.764803][  T348] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[   23.765206][  T348] RAX: 0000000000000000 RBX: ffff88800b8c2000 RCX: 0000000000000001
[   23.765685][  T348] RDX: 0000000000000000 RSI: ffffffff8ba9b939 RDI: ffffffff8b2555e0
[   23.766163][  T348] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.766636][  T348] R10: ffffc90000597010 R11: ffffffff8c8a8918 R12: 1ffff920000b2de2
[   23.767116][  T348] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff88800b8c2f08
[   23.767593][  T348] FS:  00007f0b4bd16800(0000) GS:ffff8880a87b7000(0000) knlGS:0000000000000000
[   23.768154][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.768552][  T348] CR2: 00000000004e5aa8 CR3: 000000000bd53004 CR4: 0000000000772ef0
[   23.769040][  T348] PKRU: 55555554
[   23.769284][  T348] Call Trace:
[   23.769529][  T348]  <TASK>
[ 23.769700][ T348] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.770096][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.770428][ T348] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.770750][ T348] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.771162][ T348] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.771484][ T348] netif_set_mtu (net/core/dev.c:9652) 
[ 23.771815][ T348] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.772146][ T348] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.772595][ T348] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.772860][ T348] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.773294][ T348] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.773660][ T348] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 23.774002][ T348] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.774326][ T348] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.774734][ T348] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.775065][ T348] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.775384][ T348] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.775709][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.776041][ T348] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.776360][ T348] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.776753][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.777091][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.777406][ T348] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.777725][ T348] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.778049][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.778370][ T348] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.778682][ T348] ? __create_object (mm/kmemleak.c:771) 
[ 23.779012][ T348] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.779331][ T348] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.779658][ T348] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.780070][ T348] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.780400][ T348] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.780722][ T348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.781049][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.781374][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.781693][ T348] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.782029][ T348] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.782353][ T348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.782671][ T348] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.783001][ T348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.783323][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.783645][ T348] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.783977][ T348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.784296][ T348] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.784634][ T348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.784957][ T348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.785281][ T348] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.785603][ T348] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.785933][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.786253][ T348] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.786575][ T348] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.786906][ T348] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.787235][ T348] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.787559][ T348] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.787885][ T348] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.788289][ T348] ___sys_sendmsg (net/socket.c:2670) 
[ 23.788607][ T348] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.788937][ T348] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.789342][ T348] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.789660][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.790012][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.790338][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.790661][ T348] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.790988][ T348] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.791318][ T348] __sys_sendmsg (net/socket.c:2700) 
[ 23.791640][ T348] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.792045][ T348] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.792375][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.792697][ T348] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.793027][ T348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.793418][  T348] RIP: 0033:0x7f0b4bee31e7
[ 23.793752][ T348] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.794866][  T348] RSP: 002b:00007ffeb4db4298 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.795343][  T348] RAX: ffffffffffffffda RBX: 00007ffeb4db49c0 RCX: 00007f0b4bee31e7
[   23.795822][  T348] RDX: 0000000000000000 RSI: 00007ffeb4db4300 RDI: 0000000000000005
[   23.796294][  T348] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.796767][  T348] R10: 0000000031ecb910 R11: 0000000000000246 R12: 0000000000000004
[   23.797269][  T348] R13: 00000000686e6860 R14: 0000000000499600 R15: 0000000000000000
| [   24.146641][  T351] ------------[ cut here ]------------
| [ 24.146996][ T351] WARNING: CPU: 0 PID: 351 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.147620][  T351] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.149258][  T351] Tainted: [W]=WARN
[   24.149510][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.149950][ T351] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.150314][ T351] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.151481][  T351] RSP: 0018:ffffc90000626ef0 EFLAGS: 00010246
[   24.151955][  T351] RAX: 0000000000000000 RBX: ffff88800b8c2000 RCX: 0000000000000001
[   24.152434][  T351] RDX: 0000000000000000 RSI: ffffffff8ba9b939 RDI: ffffffff8b2555e0
[   24.152932][  T351] RBP: ffffc90000626fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.153406][  T351] R10: ffffc90000627010 R11: ffffffff8c8a8918 R12: 1ffff920000c4de2
[   24.153896][  T351] R13: 00000000000005dc R14: ffffc90000627010 R15: ffff88800b8c2f08
[   24.154391][  T351] FS:  00007f699e49a800(0000) GS:ffff8880a86b7000(0000) knlGS:0000000000000000
[   24.154954][  T351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.155356][  T351] CR2: 00000000004e5ab0 CR3: 000000000a437001 CR4: 0000000000772ef0
[   24.155851][  T351] PKRU: 55555554
[   24.156093][  T351] Call Trace:
[   24.156332][  T351]  <TASK>
[ 24.156500][ T351] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.156831][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.157158][ T351] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.157470][ T351] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.157863][ T351] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.158172][ T351] netif_set_mtu (net/core/dev.c:9652) 
[ 24.158486][ T351] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.158814][ T351] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.159242][ T351] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.159475][ T351] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.159922][ T351] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.160277][ T351] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 24.160591][ T351] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.160926][ T351] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.161316][ T351] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.161630][ T351] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.161956][ T351] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.162271][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.162582][ T351] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 24.162901][ T351] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.163282][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.163603][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.163916][ T351] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.164221][ T351] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.164528][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.164845][ T351] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.165148][ T351] ? __create_object (mm/kmemleak.c:771) 
[ 24.165465][ T351] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.165817][ T351] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.166133][ T351] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.166513][ T351] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.166837][ T351] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.167149][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.167449][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.167765][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.168138][ T351] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.168442][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.168759][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.169078][ T351] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.169393][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.169704][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.170043][ T351] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.170360][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.170668][ T351] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.170994][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.171297][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.171608][ T351] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 24.171924][ T351] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.172242][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.172556][ T351] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.172881][ T351] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.173191][ T351] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.173505][ T351] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.173827][ T351] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.174135][ T351] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.174529][ T351] ___sys_sendmsg (net/socket.c:2670) 
[ 24.174855][ T351] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.175171][ T351] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.175556][ T351] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.175874][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.176183][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.176493][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.176814][ T351] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.177136][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.177451][ T351] __sys_sendmsg (net/socket.c:2700) 
[ 24.177790][ T351] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.178175][ T351] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.178493][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.178815][ T351] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.179126][ T351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.179518][  T351] RIP: 0033:0x7f699e6671e7
[ 24.179866][ T351] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.180998][  T351] RSP: 002b:00007ffe9e68f418 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.181476][  T351] RAX: ffffffffffffffda RBX: 00007ffe9e68fb40 RCX: 00007f699e6671e7
[   24.181972][  T351] RDX: 0000000000000000 RSI: 00007ffe9e68f480 RDI: 0000000000000005
[   24.182434][  T351] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.182903][  T351] R10: 0000000007e31910 R11: 0000000000000246 R12: 0000000000000004
[   24.183376][  T351] R13: 00000000686e6860 R14: 0000000000499600 R15: 0000000000000000
| [   28.913338][  T399] ------------[ cut here ]------------
| [ 28.913700][ T399] WARNING: CPU: 2 PID: 399 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   28.914336][  T399] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   28.915652][  T399] Tainted: [W]=WARN
[   28.915927][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.916337][ T399] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 28.916670][ T399] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   28.917804][  T399] RSP: 0018:ffffc90000a36ef0 EFLAGS: 00010246
[   28.918214][  T399] RAX: 0000000000000000 RBX: ffff8880021a2000 RCX: 0000000000000001
[   28.918690][  T399] RDX: 0000000000000000 RSI: ffffffff8ba9b939 RDI: ffffffff8b2555e0
[   28.919172][  T399] RBP: ffffc90000a36fe0 R08: 0000000000000000 R09: 0000000000000000
[   28.919643][  T399] R10: ffffc90000a37010 R11: ffffffff8bf79160 R12: 1ffff92000146de2
[   28.920140][  T399] R13: 00000000000005dc R14: ffffc90000a37010 R15: ffff8880021a2f08
[   28.920614][  T399] FS:  00007f288ca19800(0000) GS:ffff8880a87b7000(0000) knlGS:0000000000000000
[   28.921172][  T399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.921573][  T399] CR2: 00000000004e6898 CR3: 000000000a466001 CR4: 0000000000772ef0
[   28.922073][  T399] PKRU: 55555554
[   28.922321][  T399] Call Trace:
[   28.922565][  T399]  <TASK>
[ 28.922737][ T399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.923072][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.923411][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.923738][ T399] netif_set_mtu (net/core/dev.c:9652) 
[ 28.924071][ T399] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.924412][ T399] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.924666][ T399] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 28.925121][ T399] br_add_if (net/bridge/br_if.c:697) bridge 
[ 28.925493][ T399] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 28.925831][ T399] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 28.926154][ T399] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.926562][ T399] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.926897][ T399] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.927218][ T399] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.927547][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.927883][ T399] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 28.928203][ T399] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.928601][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.928936][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.929255][ T399] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 28.929591][ T399] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 28.929962][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.930281][ T399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.930603][ T399] ? __create_object (mm/kmemleak.c:771) 
[ 28.930936][ T399] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 28.931260][ T399] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 28.931578][ T399] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.931993][ T399] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 28.932319][ T399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.932646][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.932975][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.933305][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.933629][ T399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.933956][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.934277][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.934609][ T399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.934943][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.935269][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.935596][ T399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.935927][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.936251][ T399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.936581][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.936919][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 28.937242][ T399] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 28.937568][ T399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.937897][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.938233][ T399] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.938566][ T399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.938913][ T399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.939267][ T399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.939617][ T399] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.939974][ T399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.940396][ T399] ___sys_sendmsg (net/socket.c:2670) 
[ 28.940726][ T399] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.941073][ T399] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 28.941489][ T399] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.941848][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.942187][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.942528][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.942858][ T399] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 28.943178][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.943505][ T399] __sys_sendmsg (net/socket.c:2700) 
[ 28.943830][ T399] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.944220][ T399] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.944561][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.944886][ T399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.945218][ T399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.945620][  T399] RIP: 0033:0x7f288cbe61e7
[ 28.945981][ T399] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   28.947121][  T399] RSP: 002b:00007ffc2dcc7858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.947605][  T399] RAX: ffffffffffffffda RBX: 00007ffc2dcc7f80 RCX: 00007f288cbe61e7
[   28.948087][  T399] RDX: 0000000000000000 RSI: 00007ffc2dcc78c0 RDI: 0000000000000005
[   28.948559][  T399] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.949045][  T399] R10: 000000000a084910 R11: 0000000000000246 R12: 0000000000000004
[   28.949525][  T399] R13: 00000000686e6865 R14: 0000000000499600 R15: 0000000000000000
| [   29.770237][  T406] ------------[ cut here ]------------
| [ 29.770575][ T406] WARNING: CPU: 3 PID: 406 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   29.771397][  T406] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.772706][  T406] Tainted: [W]=WARN
[   29.772970][  T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.773377][ T406] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 29.773724][ T406] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   29.774885][  T406] RSP: 0018:ffffc90000b26ef0 EFLAGS: 00010246
[   29.775302][  T406] RAX: 0000000000000000 RBX: ffff8880021a2000 RCX: 0000000000000001
[   29.775817][  T406] RDX: 0000000000000000 RSI: ffffffff8ba9b939 RDI: ffffffff8b2555e0
[   29.776294][  T406] RBP: ffffc90000b26fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.776791][  T406] R10: ffffc90000b27010 R11: ffffffff8bf79160 R12: 1ffff92000164de2
[   29.777267][  T406] R13: 00000000000005dc R14: ffffc90000b27010 R15: ffff8880021a2f08
[   29.777764][  T406] FS:  00007f30e27a5800(0000) GS:ffff8880a8837000(0000) knlGS:0000000000000000
[   29.778316][  T406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.778712][  T406] CR2: 00000000004e6898 CR3: 0000000008e11002 CR4: 0000000000772ef0
[   29.779179][  T406] PKRU: 55555554
[   29.779410][  T406] Call Trace:
[   29.779638][  T406]  <TASK>
[ 29.779836][ T406] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.780157][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.780498][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.780985][ T406] netif_set_mtu (net/core/dev.c:9652) 
[ 29.781321][ T406] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.781648][ T406] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.782047][ T406] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.782519][ T406] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.783067][ T406] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 29.783386][ T406] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.783696][ T406] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.784209][ T406] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.784537][ T406] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.784853][ T406] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.785166][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.785507][ T406] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 29.785847][ T406] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.786269][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.786592][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.786906][ T406] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.787232][ T406] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.787564][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.787899][ T406] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.788232][ T406] ? __create_object (mm/kmemleak.c:771) 
[ 29.788544][ T406] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.788864][ T406] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.789171][ T406] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.789576][ T406] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.789930][ T406] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.790267][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.790586][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.790909][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.791241][ T406] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.791570][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.791902][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.792248][ T406] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.792585][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.792905][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.793226][ T406] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.793537][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.793878][ T406] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.794213][ T406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.794535][ T406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 29.794862][ T406] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 29.795173][ T406] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.795491][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.795829][ T406] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.796164][ T406] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.796492][ T406] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.796820][ T406] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.797133][ T406] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.797452][ T406] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.797884][ T406] ___sys_sendmsg (net/socket.c:2670) 
[ 29.798203][ T406] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.798539][ T406] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 29.798955][ T406] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.799263][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.799591][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.799994][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.800327][ T406] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.800665][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.801010][ T406] __sys_sendmsg (net/socket.c:2700) 
[ 29.801318][ T406] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.801701][ T406] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.802045][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.802380][ T406] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.802720][ T406] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.803112][  T406] RIP: 0033:0x7f30e29721e7
[ 29.803454][ T406] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   29.804634][  T406] RSP: 002b:00007ffe9a1fc3f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.805144][  T406] RAX: ffffffffffffffda RBX: 00007ffe9a1fcb20 RCX: 00007f30e29721e7
[   29.805631][  T406] RDX: 0000000000000000 RSI: 00007ffe9a1fc460 RDI: 0000000000000005
[   29.806117][  T406] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.806580][  T406] R10: 0000000033c85910 R11: 0000000000000246 R12: 0000000000000004
[   29.807072][  T406] R13: 00000000686e6866 R14: 0000000000499600 R15: 0000000000000000
| [   34.116597][  T446] ------------[ cut here ]------------
| [ 34.116930][ T446] WARNING: CPU: 3 PID: 446 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   34.117557][  T446] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   34.118844][  T446] Tainted: [W]=WARN
[   34.119094][  T446] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.119474][ T446] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 34.119815][ T446] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.120911][  T446] RSP: 0018:ffffc90000d26ef0 EFLAGS: 00010246
[   34.121302][  T446] RAX: 0000000000000000 RBX: ffff888010aea000 RCX: 0000000000000001
[   34.121754][  T446] RDX: 0000000000000000 RSI: ffffffff8ba9b939 RDI: ffffffff8b2555e0
[   34.122222][  T446] RBP: ffffc90000d26fe0 R08: 0000000000000000 R09: 0000000000000000
[   34.122674][  T446] R10: ffffc90000d27010 R11: ffffffff8bf79160 R12: 1ffff920001a4de2
[   34.123145][  T446] R13: 00000000000005dc R14: ffffc90000d27010 R15: ffff888010aeaf08
[   34.123601][  T446] FS:  00007fc5f2357800(0000) GS:ffff8880a8837000(0000) knlGS:0000000000000000
[   34.124139][  T446] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.124520][  T446] CR2: 00000000004e6898 CR3: 0000000010939004 CR4: 0000000000772ef0
[   34.124984][  T446] PKRU: 55555554
[   34.125219][  T446] Call Trace:
[   34.125446][  T446]  <TASK>
[ 34.125604][ T446] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.125919][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.126237][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.126550][ T446] netif_set_mtu (net/core/dev.c:9652) 
[ 34.126870][ T446] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.127200][ T446] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.127435][ T446] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.127880][ T446] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.128232][ T446] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 34.128543][ T446] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.128862][ T446] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.129249][ T446] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.129558][ T446] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.129887][ T446] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.130198][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.130506][ T446] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 34.130822][ T446] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.131200][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.131512][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.131827][ T446] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.132136][ T446] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.132445][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.132751][ T446] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.133064][ T446] ? __create_object (mm/kmemleak.c:771) 
[ 34.133379][ T446] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.133685][ T446] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.133998][ T446] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.134377][ T446] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.134694][ T446] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.135015][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.135318][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.135630][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.136857][ T446] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.137177][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.137489][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.137830][ T446] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.138142][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.138451][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.138763][ T446] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.139081][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.139390][ T446] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.139706][ T446] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.140030][ T446] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.140349][ T446] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 34.140656][ T446] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.140977][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.141287][ T446] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.141598][ T446] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.141913][ T446] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.142235][ T446] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.142555][ T446] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.142869][ T446] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.143265][ T446] ___sys_sendmsg (net/socket.c:2670) 
[ 34.143568][ T446] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.143883][ T446] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 34.144266][ T446] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.144575][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.144898][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.145208][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.145514][ T446] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.145827][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.146140][ T446] __sys_sendmsg (net/socket.c:2700) 
[ 34.146446][ T446] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.146835][ T446] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.147164][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.147476][ T446] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.147806][ T446] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.148187][  T446] RIP: 0033:0x7fc5f25241e7
[ 34.148512][ T446] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   34.149620][  T446] RSP: 002b:00007ffc752b6848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.150107][  T446] RAX: ffffffffffffffda RBX: 00007ffc752b6f70 RCX: 00007fc5f25241e7
[   34.150571][  T446] RDX: 0000000000000000 RSI: 00007ffc752b68b0 RDI: 0000000000000005
[   34.151041][  T446] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.151505][  T446] R10: 00000000154d3910 R11: 0000000000000246 R12: 0000000000000004
[   34.152007][  T446] R13: 00000000686e686a R14: 0000000000499600 R15: 0000000000000000
| [   35.027275][  T453] ------------[ cut here ]------------
| [ 35.027629][ T453] WARNING: CPU: 2 PID: 453 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.028292][  T453] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   35.029603][  T453] Tainted: [W]=WARN
[   35.030306][  T453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.030715][ T453] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.031071][ T453] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.032212][  T453] RSP: 0018:ffffc90000d96ef0 EFLAGS: 00010246
[   35.032657][  T453] RAX: 0000000000000000 RBX: ffff888010aea000 RCX: 0000000000000001
[   35.033160][  T453] RDX: 0000000000000000 RSI: ffffffff8ba9b939 RDI: ffffffff8b2555e0
[   35.033643][  T453] RBP: ffffc90000d96fe0 R08: 0000000000000000 R09: 0000000000000000
[   35.034141][  T453] R10: ffffc90000d97010 R11: ffffffff8bf79160 R12: 1ffff920001b2de2
[   35.034621][  T453] R13: 00000000000005dc R14: ffffc90000d97010 R15: ffff888010aeaf08
[   35.035120][  T453] FS:  00007f7d220d7800(0000) GS:ffff8880a87b7000(0000) knlGS:0000000000000000
[   35.035679][  T453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.036100][  T453] CR2: 00000000004e6898 CR3: 00000000109ef001 CR4: 0000000000772ef0
[   35.036587][  T453] PKRU: 55555554
[   35.036850][  T453] Call Trace:
[   35.037101][  T453]  <TASK>
[ 35.037277][ T453] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.037613][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.037960][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.038290][ T453] netif_set_mtu (net/core/dev.c:9652) 
[ 35.038612][ T453] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.038965][ T453] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.039212][ T453] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.039662][ T453] br_add_if (net/bridge/br_if.c:697) bridge 
[ 35.040078][ T453] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 35.040412][ T453] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.040734][ T453] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.041171][ T453] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.041494][ T453] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.041837][ T453] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.042162][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.042490][ T453] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.042825][ T453] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.043218][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.043541][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.043873][ T453] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.044193][ T453] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.044515][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.044855][ T453] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.045178][ T453] ? __create_object (mm/kmemleak.c:771) 
[ 35.045505][ T453] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.045840][ T453] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.046163][ T453] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.046561][ T453] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.046902][ T453] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.047230][ T453] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.047555][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.047928][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.048252][ T453] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.048572][ T453] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.048911][ T453] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.049265][ T453] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.049590][ T453] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.049948][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.050290][ T453] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.050614][ T453] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.050954][ T453] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.051285][ T453] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.051610][ T453] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.051951][ T453] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 35.052281][ T453] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.052604][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.052951][ T453] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.053275][ T453] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.053600][ T453] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.053952][ T453] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.054283][ T453] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.054606][ T453] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.055035][ T453] ___sys_sendmsg (net/socket.c:2670) 
[ 35.055352][ T453] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.055676][ T453] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.056097][ T453] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.056424][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.056750][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.057091][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.057418][ T453] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.057739][ T453] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.058087][ T453] __sys_sendmsg (net/socket.c:2700) 
[ 35.058407][ T453] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.058818][ T453] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.059151][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.059474][ T453] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.059828][ T453] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.060260][  T453] RIP: 0033:0x7f7d222a41e7
[ 35.060592][ T453] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.061725][  T453] RSP: 002b:00007ffe26676a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.062219][  T453] RAX: ffffffffffffffda RBX: 00007ffe26677150 RCX: 00007f7d222a41e7
[   35.062695][  T453] RDX: 0000000000000000 RSI: 00007ffe26676a90 RDI: 0000000000000005
[   35.063185][  T453] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.063658][  T453] R10: 000000000792a910 R11: 0000000000000246 R12: 0000000000000004
[   35.064155][  T453] R13: 00000000686e686b R14: 0000000000499600 R15: 0000000000000000
| [   53.161908][  T576] ------------[ cut here ]------------
| [ 53.162268][ T576] WARNING: CPU: 2 PID: 576 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   53.163243][  T576] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.164564][  T576] Tainted: [W]=WARN
[   53.164830][  T576] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.165237][ T576] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 53.165577][ T576] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   53.166761][  T576] RSP: 0018:ffffc90000f56f70 EFLAGS: 00010246
[   53.167197][  T576] RAX: 0000000000000000 RBX: ffff88800b8c2000 RCX: 0000000000000001
[   53.167676][  T576] RDX: 0000000000000000 RSI: ffffffff8ba9b939 RDI: ffffffff8b2555e0
[   53.168160][  T576] RBP: ffffc90000f57058 R08: 0000000000000000 R09: 0000000000000000
[   53.168642][  T576] R10: ffffc90000f57088 R11: ffffffff87e00130 R12: 1ffff920001eadf2
[   53.169132][  T576] R13: 00000000000005dc R14: ffffc90000f57088 R15: ffff88800b8c2f08
[   53.169609][  T576] FS:  00007f3584955800(0000) GS:ffff8880a87b7000(0000) knlGS:0000000000000000
[   53.170190][  T576] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.170587][  T576] CR2: 00000000004e5ab0 CR3: 00000000028a0005 CR4: 0000000000772ef0
[   53.171093][  T576] PKRU: 55555554
[   53.171354][  T576] Call Trace:
[   53.171596][  T576]  <TASK>
[ 53.171765][ T576] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.172175][ T576] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.172538][ T576] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 53.172869][ T576] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.173187][ T576] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.173503][ T576] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 53.173843][ T576] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.174158][ T576] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.174479][ T576] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.174825][ T576] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.175146][ T576] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.175465][ T576] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.175866][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.176191][ T576] netif_set_mtu (net/core/dev.c:9652) 
[ 53.176518][ T576] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.176859][ T576] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.177105][ T576] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.177538][ T576] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.177902][ T576] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 53.178219][ T576] do_set_master (net/core/rtnetlink.c:2932) 
[ 53.178538][ T576] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.178892][ T576] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.179294][ T576] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.179610][ T576] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.179956][ T576] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.180277][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.180598][ T576] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 53.180946][ T576] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.181377][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.181697][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.182028][ T576] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.182344][ T576] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.182664][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.183006][ T576] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.183326][ T576] ? __create_object (mm/kmemleak.c:771) 
[ 53.183674][ T576] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.184017][ T576] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.184333][ T576] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.184724][ T576] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.185055][ T576] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.185380][ T576] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.185700][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.186033][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.186363][ T576] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.186676][ T576] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.187024][ T576] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.187347][ T576] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.187667][ T576] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.187998][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.188321][ T576] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.188639][ T576] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.188973][ T576] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.189303][ T576] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.189619][ T576] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 53.189957][ T576] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 53.190280][ T576] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.190598][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.190943][ T576] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.191277][ T576] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.191596][ T576] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.191934][ T576] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.192258][ T576] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.192572][ T576] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.192984][ T576] ___sys_sendmsg (net/socket.c:2670) 
[ 53.193296][ T576] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.193622][ T576] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.194029][ T576] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.194349][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.194669][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.195017][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.195361][ T576] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.195685][ T576] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.196034][ T576] __sys_sendmsg (net/socket.c:2700) 
[ 53.196374][ T576] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.196770][ T576] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.197113][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.197435][ T576] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.197755][ T576] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.198174][  T576] RIP: 0033:0x7f3584b221e7
[ 53.198520][ T576] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   53.199642][  T576] RSP: 002b:00007ffdd4f3f788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.200140][  T576] RAX: ffffffffffffffda RBX: 00007ffdd4f3feb0 RCX: 00007f3584b221e7
[   53.200622][  T576] RDX: 0000000000000000 RSI: 00007ffdd4f3f7f0 RDI: 0000000000000005
[   53.201100][  T576] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   53.201567][  T576] R10: 00007f3584a1fee8 R11: 0000000000000246 R12: 0000000000000003
[   53.202044][  T576] R13: 00000000686e687d R14: 0000000000499600 R15: 0000000000000000
| [   53.546917][  T579] ------------[ cut here ]------------
| [ 53.547253][ T579] WARNING: CPU: 0 PID: 579 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   53.548345][  T579] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.549683][  T579] Tainted: [W]=WARN
[   53.549943][  T579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.550343][ T579] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 53.550673][ T579] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   53.551831][  T579] RSP: 0018:ffffc90001246f70 EFLAGS: 00010246
[   53.552235][  T579] RAX: 0000000000000000 RBX: ffff88800b8c2000 RCX: 0000000000000001
[   53.552716][  T579] RDX: 0000000000000000 RSI: ffffffff8ba9b939 RDI: ffffffff8b2555e0
[   53.553201][  T579] RBP: ffffc90001247058 R08: 0000000000000000 R09: 0000000000000000
[   53.553680][  T579] R10: ffffc90001247088 R11: ffffffff8bf79160 R12: 1ffff92000248df2
[   53.554185][  T579] R13: 00000000000005dc R14: ffffc90001247088 R15: ffff88800b8c2f08
[   53.554663][  T579] FS:  00007fc3b45a2800(0000) GS:ffff8880a86b7000(0000) knlGS:0000000000000000
[   53.555234][  T579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.555640][  T579] CR2: 00000000004e5aa8 CR3: 000000000a6d4001 CR4: 0000000000772ef0
[   53.556138][  T579] PKRU: 55555554
[   53.556384][  T579] Call Trace:
[   53.556628][  T579]  <TASK>
[ 53.556798][ T579] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.557205][ T579] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.557596][ T579] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 53.557920][ T579] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.558226][ T579] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.558534][ T579] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 53.558848][ T579] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.559153][ T579] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.559461][ T579] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.559764][ T579] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.560097][ T579] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.560406][ T579] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.560801][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.561116][ T579] netif_set_mtu (net/core/dev.c:9652) 
[ 53.561426][ T579] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.561754][ T579] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.561996][ T579] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.562416][ T579] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.562757][ T579] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 53.563070][ T579] do_set_master (net/core/rtnetlink.c:2932) 
[ 53.563385][ T579] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.563696][ T579] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.564091][ T579] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.564405][ T579] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.564709][ T579] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.565031][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.565348][ T579] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 53.565664][ T579] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.566065][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.566372][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.566674][ T579] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.567046][ T579] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.567354][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.567658][ T579] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.567980][ T579] ? __create_object (mm/kmemleak.c:771) 
[ 53.568289][ T579] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.568593][ T579] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.568912][ T579] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.569295][ T579] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.569605][ T579] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.569934][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.570247][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.570567][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.570885][ T579] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.571189][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.571494][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.571806][ T579] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.572112][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.572420][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.572728][ T579] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.573054][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.573370][ T579] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.573685][ T579] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.573996][ T579] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 53.574304][ T579] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 53.574613][ T579] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.574932][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.575241][ T579] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.575600][ T579] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.575937][ T579] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.576272][ T579] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.576598][ T579] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.576926][ T579] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.577334][ T579] ___sys_sendmsg (net/socket.c:2670) 
[ 53.577660][ T579] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.577993][ T579] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.578393][ T579] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.578715][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.579052][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.579381][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.579701][ T579] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.580052][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.580382][ T579] __sys_sendmsg (net/socket.c:2700) 
[ 53.580700][ T579] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.581110][ T579] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.581445][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.581772][ T579] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.582113][ T579] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.582516][  T579] RIP: 0033:0x7fc3b476f1e7
[ 53.582864][ T579] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   53.584020][  T579] RSP: 002b:00007ffc0c3888a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.584508][  T579] RAX: ffffffffffffffda RBX: 00007ffc0c388fd0 RCX: 00007fc3b476f1e7
[   53.585004][  T579] RDX: 0000000000000000 RSI: 00007ffc0c388910 RDI: 0000000000000005
[   53.585486][  T579] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   53.585978][  T579] R10: 00007fc3b466cee8 R11: 0000000000000246 R12: 0000000000000003
[   53.586459][  T579] R13: 00000000686e687e R14: 0000000000499600 R15: 0000000000000000
| [   53.701570][  T580] ------------[ cut here ]------------
| [ 53.701935][ T580] WARNING: CPU: 3 PID: 580 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   53.702577][  T580] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.703910][  T580] Tainted: [W]=WARN
[   53.704153][  T580] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.704553][ T580] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 53.704895][ T580] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   53.706057][  T580] RSP: 0018:ffffc90001256f70 EFLAGS: 00010246
[   53.706464][  T580] RAX: 0000000000000000 RBX: ffff88800b8c2000 RCX: 0000000000000001
[   53.706952][  T580] RDX: 0000000000000000 RSI: ffffffff8ba9b939 RDI: ffffffff8b2555e0
[   53.707431][  T580] RBP: ffffc90001257058 R08: 0000000000000000 R09: 0000000000000000
[   53.707925][  T580] R10: ffffc90001257088 R11: ffffffff8bf79160 R12: 1ffff9200024adf2
[   53.708458][  T580] R13: 00000000000005dc R14: ffffc90001257088 R15: ffff88800b8c2f08
[   53.708949][  T580] FS:  00007f33382b8800(0000) GS:ffff8880a8837000(0000) knlGS:0000000000000000
[   53.709506][  T580] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.709931][  T580] CR2: 00000000004e73c0 CR3: 000000000ed9f002 CR4: 0000000000772ef0
[   53.710423][  T580] PKRU: 55555554
[   53.710664][  T580] Call Trace:
[   53.710917][  T580]  <TASK>
[ 53.711082][ T580] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.711486][ T580] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.711858][ T580] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 53.712183][ T580] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.712514][ T580] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.712847][ T580] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 53.713172][ T580] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.713486][ T580] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.713818][ T580] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.714140][ T580] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.714464][ T580] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.714794][ T580] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.715202][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.715538][ T580] netif_set_mtu (net/core/dev.c:9652) 
[ 53.715870][ T580] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.716208][ T580] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.716454][ T580] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.716904][ T580] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.717263][ T580] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 53.717590][ T580] do_set_master (net/core/rtnetlink.c:2932) 
[ 53.717925][ T580] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.718251][ T580] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.718658][ T580] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.718988][ T580] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.719308][ T580] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.719632][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.719983][ T580] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 53.720303][ T580] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.720703][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.721039][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.721357][ T580] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.721676][ T580] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.722009][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.722330][ T580] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.722655][ T580] ? __create_object (mm/kmemleak.c:771) 
[ 53.723009][ T580] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.723330][ T580] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.723647][ T580] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.724057][ T580] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.724385][ T580] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.724710][ T580] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.725047][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.725376][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.725699][ T580] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.726032][ T580] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.726358][ T580] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.726675][ T580] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.727006][ T580] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.727331][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.727665][ T580] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.727997][ T580] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.728321][ T580] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.728653][ T580] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.728988][ T580] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 53.729309][ T580] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 53.729632][ T580] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.729985][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.730308][ T580] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.730631][ T580] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.730963][ T580] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.731293][ T580] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.731619][ T580] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.731947][ T580] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.732374][ T580] ___sys_sendmsg (net/socket.c:2670) 
[ 53.732698][ T580] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.733031][ T580] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.733433][ T580] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.733757][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.734090][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.734416][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.734742][ T580] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.735071][ T580] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.735402][ T580] __sys_sendmsg (net/socket.c:2700) 
[ 53.735720][ T580] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.736123][ T580] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.736464][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.736795][ T580] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.737119][ T580] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.737526][  T580] RIP: 0033:0x7f33384851e7
[ 53.737870][ T580] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   53.739018][  T580] RSP: 002b:00007fff51370cf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.739489][  T580] RAX: ffffffffffffffda RBX: 00007fff51371420 RCX: 00007f33384851e7
[   53.739983][  T580] RDX: 0000000000000000 RSI: 00007fff51370d60 RDI: 0000000000000005
[   53.740444][  T580] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   53.740923][  T580] R10: 00007f3338382ee8 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