======================================
| [   23.071988][  T345] br1: port 1(vx100) entered forwarding state
| [   23.073144][  T345] ------------[ cut here ]------------
| [ 23.073456][ T345] WARNING: CPU: 3 PID: 345 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) 
| [   23.074708][  T345] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.076166][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.076557][ T345] 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) 
[ 23.076902][ T345] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.078016][  T345] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   23.078459][  T345] RAX: 0000000000000000 RBX: ffff888009732000 RCX: 0000000000000001
[   23.078934][  T345] RDX: 0000000000000000 RSI: ffffffff91e9b941 RDI: ffffffff916555e0
[   23.079441][  T345] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.079918][  T345] R10: ffffc900005e7010 R11: ffffffff92ca8918 R12: 1ffff920000bcde2
[   23.080391][  T345] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff888009732f08
[   23.080922][  T345] FS:  00007f959d866800(0000) GS:ffff8880a2437000(0000) knlGS:0000000000000000
[   23.081501][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.081925][  T345] CR2: 00000000004e6890 CR3: 000000000dd8e001 CR4: 0000000000772ef0
[   23.082443][  T345] PKRU: 55555554
[   23.082681][  T345] Call Trace:
[   23.082928][  T345]  <TASK>
[ 23.083093][ T345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.083444][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.083774][ T345] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.084094][ T345] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.084674][ T345] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.085052][ T345] netif_set_mtu (net/core/dev.c:9652) 
[ 23.085366][ T345] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.085682][ T345] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.086175][ T345] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.086412][ T345] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.086889][ T345] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.087251][ T345] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.087589][ T345] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.087914][ T345] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.088333][ T345] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.088641][ T345] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.088959][ T345] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.089321][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.089639][ T345] ? __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) 
[ 23.089976][ T345] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.090358][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.090669][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.091011][ T345] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.091318][ T345] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.091628][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.091947][ T345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.092261][ T345] ? __create_object (mm/kmemleak.c:771) 
[ 23.092581][ T345] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.092919][ T345] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.093229][ T345] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.093612][ T345] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.093936][ T345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.094260][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.094572][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.094947][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.095259][ T345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.095568][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.095910][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.096232][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.096565][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.096892][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.097222][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.097568][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.097891][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.098246][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.098564][ T345] ? 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) 
[ 23.098890][ T345] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.099205][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.099531][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.099870][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.100198][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.100529][ T345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.100871][ T345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.101226][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.101571][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.102014][ T345] ___sys_sendmsg (net/socket.c:2670) 
[ 23.102342][ T345] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.102676][ T345] ? __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) 
[ 23.103092][ T345] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.103451][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.103788][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.104119][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.104451][ T345] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.104783][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.105113][ T345] __sys_sendmsg (net/socket.c:2700) 
[ 23.105433][ T345] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.105820][ T345] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.106138][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.106449][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.106773][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.107163][  T345] RIP: 0033:0x7f959da331e7
[ 23.107490][ T345] 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)
[   23.108599][  T345] RSP: 002b:00007ffd464b8fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.109074][  T345] RAX: ffffffffffffffda RBX: 00007ffd464b9700 RCX: 00007f959da331e7
[   23.109546][  T345] RDX: 0000000000000000 RSI: 00007ffd464b9040 RDI: 0000000000000005
[   23.110042][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.110530][  T345] R10: 000000000935f910 R11: 0000000000000246 R12: 0000000000000004
[   23.111042][  T345] R13: 00000000686e1507 R14: 0000000000499600 R15: 0000000000000000
| [   23.376634][  T347] ------------[ cut here ]------------
| [ 23.376976][ T347] WARNING: CPU: 1 PID: 347 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) 
| [   23.377604][  T347] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.379670][  T347] Tainted: [W]=WARN
[   23.380101][  T347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.380807][ T347] 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) 
[ 23.381393][ T347] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.383331][  T347] RSP: 0018:ffffc90000586ef0 EFLAGS: 00010246
[   23.384043][  T347] RAX: 0000000000000000 RBX: ffff888009732000 RCX: 0000000000000001
[   23.384883][  T347] RDX: 0000000000000000 RSI: ffffffff91e9b941 RDI: ffffffff916555e0
[   23.385773][  T347] RBP: ffffc90000586fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.386484][  T347] R10: ffffc90000587010 R11: ffffffff92ca8918 R12: 1ffff920000b0de2
[   23.387018][  T347] R13: 00000000000005dc R14: ffffc90000587010 R15: ffff888009732f08
[   23.387481][  T347] FS:  00007f5d54832800(0000) GS:ffff8880a2337000(0000) knlGS:0000000000000000
[   23.388047][  T347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.388447][  T347] CR2: 00000000004e5aa8 CR3: 000000000bb12002 CR4: 0000000000772ef0
[   23.388933][  T347] PKRU: 55555554
[   23.389164][  T347] Call Trace:
[   23.389397][  T347]  <TASK>
[ 23.389557][ T347] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.389935][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.390253][ T347] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.390561][ T347] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.390983][ T347] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.391312][ T347] netif_set_mtu (net/core/dev.c:9652) 
[ 23.391850][ T347] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.392381][ T347] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.393117][ T347] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.393545][ T347] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.394335][ T347] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.394991][ T347] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.395548][ T347] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.396121][ T347] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.396826][ T347] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.397376][ T347] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.397939][ T347] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.398508][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.399083][ T347] ? __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) 
[ 23.399638][ T347] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.400322][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.400892][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.401457][ T347] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.402017][ T347] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.402568][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.403128][ T347] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.403672][ T347] ? __create_object (mm/kmemleak.c:771) 
[ 23.404237][ T347] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.404794][ T347] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.405123][ T347] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.405505][ T347] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.405864][ T347] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.406197][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.406505][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.406842][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.407152][ T347] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.407455][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.407774][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.408089][ T347] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.408396][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.408711][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.409225][ T347] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.409679][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.410012][ T347] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.410329][ T347] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.410633][ T347] ? 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) 
[ 23.410978][ T347] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.411292][ T347] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.411595][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.411927][ T347] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.412237][ T347] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.412541][ T347] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.412920][ T347] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.413490][ T347] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.413834][ T347] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.414225][ T347] ___sys_sendmsg (net/socket.c:2670) 
[ 23.414529][ T347] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.414861][ T347] ? __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) 
[ 23.415244][ T347] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.415550][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.415884][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.416200][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.416506][ T347] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.416868][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.417185][ T347] __sys_sendmsg (net/socket.c:2700) 
[ 23.417487][ T347] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.417886][ T347] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.418207][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.418540][ T347] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.418869][ T347] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.419247][  T347] RIP: 0033:0x7f5d549ff1e7
[ 23.419563][ T347] 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)
[   23.420690][  T347] RSP: 002b:00007ffced4a23c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.421195][  T347] RAX: ffffffffffffffda RBX: 00007ffced4a2af0 RCX: 00007f5d549ff1e7
[   23.421656][  T347] RDX: 0000000000000000 RSI: 00007ffced4a2430 RDI: 0000000000000005
[   23.422135][  T347] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.422598][  T347] R10: 00000000343ad910 R11: 0000000000000246 R12: 0000000000000004
[   23.423086][  T347] R13: 00000000686e1508 R14: 0000000000499600 R15: 0000000000000000
| [   23.764694][  T350] ------------[ cut here ]------------
| [ 23.765041][ T350] WARNING: CPU: 2 PID: 350 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) 
| [   23.765661][  T350] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.766962][  T350] Tainted: [W]=WARN
[   23.767205][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.767600][ T350] 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) 
[ 23.767938][ T350] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.769051][  T350] RSP: 0018:ffffc90000566ef0 EFLAGS: 00010246
[   23.769450][  T350] RAX: 0000000000000000 RBX: ffff888009732000 RCX: 0000000000000001
[   23.769932][  T350] RDX: 0000000000000000 RSI: ffffffff91e9b941 RDI: ffffffff916555e0
[   23.770405][  T350] RBP: ffffc90000566fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.770934][  T350] R10: ffffc90000567010 R11: ffffffff92ca8918 R12: 1ffff920000acde2
[   23.771438][  T350] R13: 00000000000005dc R14: ffffc90000567010 R15: ffff888009732f08
[   23.771932][  T350] FS:  00007fc43e142800(0000) GS:ffff8880a23b7000(0000) knlGS:0000000000000000
[   23.772505][  T350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.772946][  T350] CR2: 00000000004e5ab0 CR3: 000000000521e001 CR4: 0000000000772ef0
[   23.773418][  T350] PKRU: 55555554
[   23.773661][  T350] Call Trace:
[   23.773915][  T350]  <TASK>
[ 23.774105][ T350] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.774427][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.774777][ T350] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.775110][ T350] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.775513][ T350] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.775850][ T350] netif_set_mtu (net/core/dev.c:9652) 
[ 23.776169][ T350] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.776517][ T350] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.776975][ T350] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.777225][ T350] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.777657][ T350] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.778044][ T350] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.778368][ T350] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.778693][ T350] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.779111][ T350] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.779434][ T350] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.779760][ T350] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.780090][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.780413][ T350] ? __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) 
[ 23.780737][ T350] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.781164][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.781499][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.781848][ T350] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.782169][ T350] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.782490][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.782837][ T350] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.783154][ T350] ? __create_object (mm/kmemleak.c:771) 
[ 23.783502][ T350] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.783839][ T350] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.784161][ T350] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.784556][ T350] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.784897][ T350] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.785248][ T350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.785573][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.785912][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.786234][ T350] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.786548][ T350] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.786880][ T350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.787198][ T350] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.787517][ T350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.787864][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.788190][ T350] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.788513][ T350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.788844][ T350] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.789173][ T350] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.789506][ T350] ? 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) 
[ 23.789844][ T350] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.790174][ T350] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.790498][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.790830][ T350] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.791163][ T350] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.791500][ T350] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.791847][ T350] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.792189][ T350] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.792515][ T350] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.792948][ T350] ___sys_sendmsg (net/socket.c:2670) 
[ 23.793271][ T350] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.793602][ T350] ? __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) 
[ 23.794013][ T350] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.794336][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.794670][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.795023][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.795357][ T350] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.795697][ T350] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.796055][ T350] __sys_sendmsg (net/socket.c:2700) 
[ 23.796388][ T350] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.796824][ T350] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.797172][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.797515][ T350] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.797868][ T350] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.798271][  T350] RIP: 0033:0x7fc43e30f1e7
[ 23.798597][ T350] 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)
[   23.799706][  T350] RSP: 002b:00007ffea1324b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.800212][  T350] RAX: ffffffffffffffda RBX: 00007ffea13252c0 RCX: 00007fc43e30f1e7
[   23.800685][  T350] RDX: 0000000000000000 RSI: 00007ffea1324c00 RDI: 0000000000000005
[   23.801183][  T350] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.801656][  T350] R10: 000000003f456910 R11: 0000000000000246 R12: 0000000000000004
[   23.802148][  T350] R13: 00000000686e1508 R14: 0000000000499600 R15: 0000000000000000
| [   28.388413][  T396] ------------[ cut here ]------------
| [ 28.388727][ T396] WARNING: CPU: 3 PID: 396 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) 
| [   28.389347][  T396] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   28.390605][  T396] Tainted: [W]=WARN
[   28.390850][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.391253][ T396] 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) 
[ 28.391569][ T396] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   28.392668][  T396] RSP: 0018:ffffc90000916ef0 EFLAGS: 00010246
[   28.393070][  T396] RAX: 0000000000000000 RBX: ffff888010c22000 RCX: 0000000000000001
[   28.393536][  T396] RDX: 0000000000000000 RSI: ffffffff91e9b941 RDI: ffffffff916555e0
[   28.394000][  T396] RBP: ffffc90000916fe0 R08: 0000000000000000 R09: 0000000000000000
[   28.394462][  T396] R10: ffffc90000917010 R11: ffffffff92379160 R12: 1ffff92000122de2
[   28.394928][  T396] R13: 00000000000005dc R14: ffffc90000917010 R15: ffff888010c22f08
[   28.395388][  T396] FS:  00007fe80cf29800(0000) GS:ffff8880a2437000(0000) knlGS:0000000000000000
[   28.395928][  T396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.396313][  T396] CR2: 00000000004e6898 CR3: 000000000e85d003 CR4: 0000000000772ef0
[   28.396784][  T396] PKRU: 55555554
[   28.397016][  T396] Call Trace:
[   28.397248][  T396]  <TASK>
[ 28.397407][ T396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.397714][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.398043][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.398353][ T396] netif_set_mtu (net/core/dev.c:9652) 
[ 28.398665][ T396] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.399003][ T396] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.399239][ T396] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 28.399681][ T396] br_add_if (net/bridge/br_if.c:697) bridge 
[ 28.400046][ T396] do_set_master (net/core/rtnetlink.c:2948) 
[ 28.400362][ T396] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 28.400676][ T396] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.401085][ T396] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.401395][ T396] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.401699][ T396] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.402023][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.402331][ T396] ? __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) 
[ 28.402638][ T396] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.403029][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.403339][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.403645][ T396] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 28.403960][ T396] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 28.404273][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.404581][ T396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.404893][ T396] ? __create_object (mm/kmemleak.c:771) 
[ 28.405204][ T396] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 28.405509][ T396] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 28.405821][ T396] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.406203][ T396] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 28.406516][ T396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.406837][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.407139][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.407447][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.407759][ T396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.408059][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.408368][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.408668][ T396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.408980][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.409292][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.409601][ T396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.409913][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.410217][ T396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.410535][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.410844][ T396] ? 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) 
[ 28.411167][ T396] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 28.411473][ T396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.411782][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.412090][ T396] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.412401][ T396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.412705][ T396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.413040][ T396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.413348][ T396] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.413654][ T396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.414050][ T396] ___sys_sendmsg (net/socket.c:2670) 
[ 28.414355][ T396] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.414657][ T396] ? __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) 
[ 28.415042][ T396] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.415348][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.415653][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.415974][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.416278][ T396] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 28.416616][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.416936][ T396] __sys_sendmsg (net/socket.c:2700) 
[ 28.417234][ T396] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.417609][ T396] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.417933][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.418240][ T396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.418559][ T396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.418947][  T396] RIP: 0033:0x7fe80d0f61e7
[ 28.419259][ T396] 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)
[   28.420351][  T396] RSP: 002b:00007ffd6ae8a5b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.420837][  T396] RAX: ffffffffffffffda RBX: 00007ffd6ae8ace0 RCX: 00007fe80d0f61e7
[   28.421306][  T396] RDX: 0000000000000000 RSI: 00007ffd6ae8a620 RDI: 0000000000000005
[   28.421770][  T396] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.422223][  T396] R10: 000000000fe21910 R11: 0000000000000246 R12: 0000000000000004
[   28.422697][  T396] R13: 00000000686e150d R14: 0000000000499600 R15: 0000000000000000
| [   29.197732][  T403] ------------[ cut here ]------------
| [ 29.198201][ T403] WARNING: CPU: 1 PID: 403 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) 
| [   29.198816][  T403] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.200082][  T403] Tainted: [W]=WARN
[   29.200312][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.200692][ T403] 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) 
[ 29.201186][ T403] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   29.202339][  T403] RSP: 0018:ffffc900009a6ef0 EFLAGS: 00010246
[   29.202725][  T403] RAX: 0000000000000000 RBX: ffff888010c22000 RCX: 0000000000000001
[   29.203203][  T403] RDX: 0000000000000000 RSI: ffffffff91e9b941 RDI: ffffffff916555e0
[   29.203666][  T403] RBP: ffffc900009a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.204133][  T403] R10: ffffc900009a7010 R11: ffffffff92379160 R12: 1ffff92000134de2
[   29.204592][  T403] R13: 00000000000005dc R14: ffffc900009a7010 R15: ffff888010c22f08
[   29.205071][  T403] FS:  00007f8aa39c1800(0000) GS:ffff8880a2337000(0000) knlGS:0000000000000000
[   29.205619][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.206014][  T403] CR2: 00000000004e6898 CR3: 000000000e8ae002 CR4: 0000000000772ef0
[   29.206470][  T403] PKRU: 55555554
[   29.206698][  T403] Call Trace:
[   29.206940][  T403]  <TASK>
[ 29.207099][ T403] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.207421][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.207739][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.208060][ T403] netif_set_mtu (net/core/dev.c:9652) 
[ 29.208363][ T403] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.208683][ T403] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.208935][ T403] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.209361][ T403] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.209711][ T403] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.210045][ T403] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.210357][ T403] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.210740][ T403] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.211069][ T403] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.211374][ T403] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.211683][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.212007][ T403] ? __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) 
[ 29.212325][ T403] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.212698][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.213023][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.213335][ T403] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.213640][ T403] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.213958][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.214265][ T403] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.214579][ T403] ? __create_object (mm/kmemleak.c:771) 
[ 29.214904][ T403] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.215212][ T403] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.215513][ T403] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.215914][ T403] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.216226][ T403] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.216535][ T403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.216856][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.217184][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.217488][ T403] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.217801][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.218108][ T403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.218409][ T403] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.218714][ T403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.219031][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.219350][ T403] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.219654][ T403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.219969][ T403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.220285][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.220585][ T403] ? 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) 
[ 29.220909][ T403] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.221235][ T403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.221548][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.221870][ T403] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.222179][ T403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.222485][ T403] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.222811][ T403] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.223119][ T403] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.223422][ T403] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.223833][ T403] ___sys_sendmsg (net/socket.c:2670) 
[ 29.224137][ T403] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.224438][ T403] ? __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) 
[ 29.224837][ T403] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.225147][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.225454][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.225782][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.226090][ T403] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.226405][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.226717][ T403] __sys_sendmsg (net/socket.c:2700) 
[ 29.227031][ T403] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.227409][ T403] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.227725][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.228044][ T403] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.228352][ T403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.228738][  T403] RIP: 0033:0x7f8aa3b8e1e7
[ 29.229080][ T403] 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)
[   29.230175][  T403] RSP: 002b:00007ffd985b85e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.230646][  T403] RAX: ffffffffffffffda RBX: 00007ffd985b8d10 RCX: 00007f8aa3b8e1e7
[   29.231136][  T403] RDX: 0000000000000000 RSI: 00007ffd985b8650 RDI: 0000000000000005
[   29.231597][  T403] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.232069][  T403] R10: 0000000039f34910 R11: 0000000000000246 R12: 0000000000000004
[   29.232528][  T403] R13: 00000000686e150d R14: 0000000000499600 R15: 0000000000000000
| [   33.306587][  T444] ------------[ cut here ]------------
| [ 33.306910][ T444] WARNING: CPU: 3 PID: 444 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.307517][  T444] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   33.309760][  T444] Tainted: [W]=WARN
[   33.309996][  T444] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.310375][ T444] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.310697][ T444] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.311799][  T444] RSP: 0018:ffffc90000c5eef0 EFLAGS: 00010246
[   33.312191][  T444] RAX: 0000000000000000 RBX: ffff888010daa000 RCX: 0000000000000001
[   33.312644][  T444] RDX: 0000000000000000 RSI: ffffffff91e9b941 RDI: ffffffff916555e0
[   33.313111][  T444] RBP: ffffc90000c5efe0 R08: 0000000000000000 R09: 0000000000000000
[   33.313566][  T444] R10: ffffc90000c5f010 R11: ffffffff92379160 R12: 1ffff9200018bde2
[   33.314028][  T444] R13: 00000000000005dc R14: ffffc90000c5f010 R15: ffff888010daaf08
[   33.314485][  T444] FS:  00007fe5681c0800(0000) GS:ffff8880a2437000(0000) knlGS:0000000000000000
[   33.315031][  T444] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.315412][  T444] CR2: 00000000004e6898 CR3: 000000000f946003 CR4: 0000000000772ef0
[   33.315879][  T444] PKRU: 55555554
[   33.316106][  T444] Call Trace:
[   33.316335][  T444]  <TASK>
[ 33.316492][ T444] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.316814][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.317128][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.317433][ T444] netif_set_mtu (net/core/dev.c:9652) 
[ 33.317739][ T444] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.318071][ T444] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.318302][ T444] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.318726][ T444] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.319090][ T444] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.319401][ T444] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.319710][ T444] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.320105][ T444] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.320411][ T444] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.320713][ T444] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.321039][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.321346][ T444] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 33.321654][ T444] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.322041][ T444] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.322345][ T444] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.322647][ T444] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.322958][ T444] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.323264][ T444] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.323567][ T444] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.323889][ T444] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.324192][ T444] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.324568][ T444] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.324906][ T444] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.325215][ T444] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.325517][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.325833][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.326140][ T444] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.326448][ T444] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.326767][ T444] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.327071][ T444] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.327377][ T444] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.327683][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.328001][ T444] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.328308][ T444] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.328619][ T444] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.328942][ T444] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.329243][ T444] ? 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) 
[ 33.329549][ T444] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.329864][ T444] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.330168][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.330477][ T444] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.330800][ T444] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.331113][ T444] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.331423][ T444] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.331731][ T444] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.332044][ T444] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.332434][ T444] ___sys_sendmsg (net/socket.c:2670) 
[ 33.332735][ T444] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.333063][ T444] ? __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) 
[ 33.333444][ T444] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.333767][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.334076][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.334387][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.334695][ T444] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.335010][ T444] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.335354][ T444] __sys_sendmsg (net/socket.c:2700) 
[ 33.335658][ T444] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.336048][ T444] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.336364][ T444] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.336669][ T444] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.336987][ T444] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.337363][  T444] RIP: 0033:0x7fe56838d1e7
[ 33.337677][ T444] 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)
[   33.338779][  T444] RSP: 002b:00007ffe86209768 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.339239][  T444] RAX: ffffffffffffffda RBX: 00007ffe86209e90 RCX: 00007fe56838d1e7
[   33.339700][  T444] RDX: 0000000000000000 RSI: 00007ffe862097d0 RDI: 0000000000000005
[   33.340171][  T444] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.340625][  T444] R10: 0000000018768910 R11: 0000000000000246 R12: 0000000000000004
[   33.341100][  T444] R13: 00000000686e1512 R14: 0000000000499600 R15: 0000000000000000
| [   34.131943][  T451] ------------[ cut here ]------------
| [ 34.132274][ T451] WARNING: CPU: 2 PID: 451 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) 
| [   34.132917][  T451] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   34.134451][  T451] Tainted: [W]=WARN
[   34.134695][  T451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.135099][ T451] 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) 
[ 34.135425][ T451] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.136538][  T451] RSP: 0018:ffffc90000cceef0 EFLAGS: 00010246
[   34.136950][  T451] RAX: 0000000000000000 RBX: ffff888010daa000 RCX: 0000000000000001
[   34.137419][  T451] RDX: 0000000000000000 RSI: ffffffff91e9b941 RDI: ffffffff916555e0
[   34.137902][  T451] RBP: ffffc90000ccefe0 R08: 0000000000000000 R09: 0000000000000000
[   34.138371][  T451] R10: ffffc90000ccf010 R11: ffffffff92379160 R12: 1ffff92000199de2
[   34.138847][  T451] R13: 00000000000005dc R14: ffffc90000ccf010 R15: ffff888010daaf08
[   34.139320][  T451] FS:  00007f4b5b6f2800(0000) GS:ffff8880a23b7000(0000) knlGS:0000000000000000
[   34.139877][  T451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.140272][  T451] CR2: 00000000004e6898 CR3: 00000000099a5002 CR4: 0000000000772ef0
[   34.140752][  T451] PKRU: 55555554
[   34.141004][  T451] Call Trace:
[   34.141248][  T451]  <TASK>
[ 34.141418][ T451] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.141735][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.142081][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.142402][ T451] netif_set_mtu (net/core/dev.c:9652) 
[ 34.142722][ T451] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.143066][ T451] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.143310][ T451] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.143755][ T451] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.144122][ T451] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.144443][ T451] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.144778][ T451] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.145173][ T451] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.145489][ T451] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.145815][ T451] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.146135][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.146452][ T451] ? __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) 
[ 34.146781][ T451] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.147168][ T451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.147486][ T451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.147811][ T451] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.148127][ T451] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.148447][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.148772][ T451] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.149084][ T451] ? __create_object (mm/kmemleak.c:771) 
[ 34.149408][ T451] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.149724][ T451] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.150049][ T451] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.150436][ T451] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.150766][ T451] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.151102][ T451] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.151419][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.151766][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.152092][ T451] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.152403][ T451] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.152720][ T451] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.153047][ T451] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.153367][ T451] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.153686][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.154016][ T451] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.154334][ T451] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.154647][ T451] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.154986][ T451] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.155298][ T451] ? 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) 
[ 34.155614][ T451] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.155939][ T451] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.156253][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.156574][ T451] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.156910][ T451] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.157224][ T451] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.157551][ T451] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.157880][ T451] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.158194][ T451] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.158596][ T451] ___sys_sendmsg (net/socket.c:2670) 
[ 34.158921][ T451] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.159233][ T451] ? __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) 
[ 34.159624][ T451] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.159949][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.160272][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.160591][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.160918][ T451] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.161252][ T451] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.161578][ T451] __sys_sendmsg (net/socket.c:2700) 
[ 34.161898][ T451] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.162294][ T451] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.162622][ T451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.162952][ T451] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.163270][ T451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.163658][  T451] RIP: 0033:0x7f4b5b8bf1e7
[ 34.163999][ T451] 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)
[   34.165098][  T451] RSP: 002b:00007fffb9f47448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.165570][  T451] RAX: ffffffffffffffda RBX: 00007fffb9f47b70 RCX: 00007f4b5b8bf1e7
[   34.166053][  T451] RDX: 0000000000000000 RSI: 00007fffb9f474b0 RDI: 0000000000000005
[   34.166519][  T451] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.166999][  T451] R10: 00000000136b2910 R11: 0000000000000246 R12: 0000000000000004
[   34.167463][  T451] R13: 00000000686e1512 R14: 0000000000499600 R15: 0000000000000000
| [   51.814662][  T575] ------------[ cut here ]------------
| [ 51.816378][ T575] WARNING: CPU: 0 PID: 575 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) 
| [   51.816993][  T575] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   51.818281][  T575] Tainted: [W]=WARN
[   51.818513][  T575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 51.818907][ T575] 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) 
[ 51.819221][ T575] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   51.820309][  T575] RSP: 0018:ffffc9000119ef70 EFLAGS: 00010246
[   51.820695][  T575] RAX: 0000000000000000 RBX: ffff888009732000 RCX: 0000000000000001
[   51.821183][  T575] RDX: 0000000000000000 RSI: ffffffff91e9b941 RDI: ffffffff916555e0
[   51.821641][  T575] RBP: ffffc9000119f058 R08: 0000000000000000 R09: 0000000000000000
[   51.822142][  T575] R10: ffffc9000119f088 R11: ffffffff8e200130 R12: 1ffff92000233df2
[   51.822599][  T575] R13: 00000000000005dc R14: ffffc9000119f088 R15: ffff888009732f08
[   51.823063][  T575] FS:  00007f9527237800(0000) GS:ffff8880a22b7000(0000) knlGS:0000000000000000
[   51.823605][  T575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.823994][  T575] CR2: 00000000004e5ab0 CR3: 000000000ed8b001 CR4: 0000000000772ef0
[   51.824459][  T575] PKRU: 55555554
[   51.824688][  T575] Call Trace:
[   51.824931][  T575]  <TASK>
[ 51.825087][ T575] ? __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) 
[ 51.825465][ T575] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 51.825850][ T575] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 51.826160][ T575] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 51.826462][ T575] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 51.826770][ T575] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 51.827079][ T575] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 51.827379][ T575] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 51.827683][ T575] ? ___sys_sendmsg (net/socket.c:2670) 
[ 51.827991][ T575] ? __sys_sendmsg (net/socket.c:2700) 
[ 51.828293][ T575] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 51.828598][ T575] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 51.828978][ T575] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.829288][ T575] netif_set_mtu (net/core/dev.c:9652) 
[ 51.829597][ T575] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 51.829964][ T575] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 51.830196][ T575] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 51.830619][ T575] br_del_if (net/bridge/br_if.c:743) bridge 
[ 51.830963][ T575] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 51.831279][ T575] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 51.831587][ T575] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 51.831906][ T575] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 51.832301][ T575] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 51.832610][ T575] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 51.832925][ T575] ? __kernel_text_address (kernel/extable.c:79) 
[ 51.833238][ T575] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.833545][ T575] ? __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) 
[ 51.833901][ T575] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 51.834289][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.834595][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.834911][ T575] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 51.835220][ T575] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 51.835552][ T575] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.835867][ T575] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 51.836169][ T575] ? __create_object (mm/kmemleak.c:771) 
[ 51.836473][ T575] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 51.836794][ T575] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 51.837100][ T575] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 51.837477][ T575] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 51.837824][ T575] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 51.838143][ T575] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 51.838445][ T575] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.838808][ T575] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.839290][ T575] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 51.839818][ T575] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 51.840311][ T575] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 51.840850][ T575] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 51.841396][ T575] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 51.841947][ T575] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.842494][ T575] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 51.843034][ T575] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 51.843545][ T575] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 51.844117][ T575] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 51.844651][ T575] ? 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) 
[ 51.845211][ T575] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 51.845720][ T575] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 51.846307][ T575] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.846853][ T575] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 51.847309][ T575] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 51.847837][ T575] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 51.848402][ T575] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 51.848973][ T575] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 51.849496][ T575] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 51.850217][ T575] ___sys_sendmsg (net/socket.c:2670) 
[ 51.850778][ T575] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 51.851360][ T575] ? __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) 
[ 51.852060][ T575] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 51.852619][ T575] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.853189][ T575] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.853715][ T575] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.854254][ T575] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 51.854806][ T575] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 51.855358][ T575] __sys_sendmsg (net/socket.c:2700) 
[ 51.855917][ T575] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 51.856581][ T575] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 51.857161][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.857711][ T575] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 51.858276][ T575] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   51.858957][  T575] RIP: 0033:0x7f95274041e7
[ 51.859501][ T575] 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)
[   51.861462][  T575] RSP: 002b:00007ffc14f92028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   51.862316][  T575] RAX: ffffffffffffffda RBX: 00007ffc14f92750 RCX: 00007f95274041e7
[   51.863149][  T575] RDX: 0000000000000000 RSI: 00007ffc14f92090 RDI: 0000000000000005
[   51.863968][  T575] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   51.864803][  T575] R10: 00007f9527301ee8 R11: 0000000000000246 R12: 0000000000000003
[   51.865627][  T575] R13: 00000000686e1524 R14: 0000000000499600 R15: 0000000000000000
| [   52.223715][  T578] ------------[ cut here ]------------
| [ 52.224092][ T578] WARNING: CPU: 2 PID: 578 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) 
| [   52.224712][  T578] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   52.226663][  T578] Tainted: [W]=WARN
[   52.226941][  T578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 52.227332][ T578] 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) 
[ 52.227667][ T578] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   52.228835][  T578] RSP: 0018:ffffc900011cef70 EFLAGS: 00010246
[   52.229454][  T578] RAX: 0000000000000000 RBX: ffff888009732000 RCX: 0000000000000001
[   52.230276][  T578] RDX: 0000000000000000 RSI: ffffffff91e9b941 RDI: ffffffff916555e0
[   52.231102][  T578] RBP: ffffc900011cf058 R08: 0000000000000000 R09: 0000000000000000
[   52.231908][  T578] R10: ffffc900011cf088 R11: ffffffff92379160 R12: 1ffff92000239df2
[   52.232713][  T578] R13: 00000000000005dc R14: ffffc900011cf088 R15: ffff888009732f08
[   52.233556][  T578] FS:  00007f93c9c42800(0000) GS:ffff8880a23b7000(0000) knlGS:0000000000000000
[   52.234513][  T578] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.235194][  T578] CR2: 00000000004e5aa8 CR3: 0000000008d0e003 CR4: 0000000000772ef0
[   52.236019][  T578] PKRU: 55555554
[   52.236444][  T578] Call Trace:
[   52.236897][  T578]  <TASK>
[ 52.237209][ T578] ? __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) 
[ 52.237935][ T578] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 52.238551][ T578] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 52.239122][ T578] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 52.239667][ T578] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 52.240237][ T578] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 52.240777][ T578] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.241333][ T578] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.241936][ T578] ? ___sys_sendmsg (net/socket.c:2670) 
[ 52.242475][ T578] ? __sys_sendmsg (net/socket.c:2700) 
[ 52.242889][ T578] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.243421][ T578] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 52.244096][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.244608][ T578] netif_set_mtu (net/core/dev.c:9652) 
[ 52.245212][ T578] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 52.245836][ T578] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 52.246290][ T578] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 52.247097][ T578] br_del_if (net/bridge/br_if.c:743) bridge 
[ 52.247727][ T578] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 52.248315][ T578] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 52.248962][ T578] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 52.249540][ T578] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 52.250278][ T578] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 52.250875][ T578] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 52.251467][ T578] ? __kernel_text_address (kernel/extable.c:79) 
[ 52.252060][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.252628][ T578] ? __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) 
[ 52.253235][ T578] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 52.253954][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.254521][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.255117][ T578] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 52.255690][ T578] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 52.256274][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.256879][ T578] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 52.257450][ T578] ? __create_object (mm/kmemleak.c:771) 
[ 52.258048][ T578] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 52.258618][ T578] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 52.259212][ T578] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 52.259931][ T578] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 52.260510][ T578] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 52.261092][ T578] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.261419][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.261760][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.262081][ T578] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 52.262396][ T578] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.262720][ T578] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.263047][ T578] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 52.263364][ T578] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.263685][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.264017][ T578] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 52.264334][ T578] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.264656][ T578] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 52.265005][ T578] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 52.265331][ T578] ? 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) 
[ 52.265651][ T578] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 52.265985][ T578] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 52.266301][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.266623][ T578] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.266951][ T578] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 52.267268][ T578] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 52.267601][ T578] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.267932][ T578] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 52.268248][ T578] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 52.268650][ T578] ___sys_sendmsg (net/socket.c:2670) 
[ 52.268986][ T578] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 52.269307][ T578] ? __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) 
[ 52.269703][ T578] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 52.270049][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.270372][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.270697][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.271042][ T578] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 52.271360][ T578] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.271682][ T578] __sys_sendmsg (net/socket.c:2700) 
[ 52.272011][ T578] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 52.272412][ T578] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 52.272771][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.273096][ T578] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.273413][ T578] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   52.273817][  T578] RIP: 0033:0x7f93c9e0f1e7
[ 52.274144][ T578] 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)
[   52.275248][  T578] RSP: 002b:00007ffcc30245f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   52.275718][  T578] RAX: ffffffffffffffda RBX: 00007ffcc3024d20 RCX: 00007f93c9e0f1e7
[   52.276196][  T578] RDX: 0000000000000000 RSI: 00007ffcc3024660 RDI: 0000000000000005
[   52.276671][  T578] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   52.277167][  T578] R10: 00007f93c9d0cee8 R11: 0000000000000246 R12: 0000000000000003
[   52.277639][  T578] R13: 00000000686e1524 R14: 0000000000499600 R15: 0000000000000000
| [   52.393596][  T579] ------------[ cut here ]------------
| [ 52.393930][ T579] WARNING: CPU: 3 PID: 579 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   52.394538][  T579] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   52.395803][  T579] Tainted: [W]=WARN
[   52.396033][  T579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 52.396417][ 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) 
[ 52.396729][ T579] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   52.397901][  T579] RSP: 0018:ffffc900011cef70 EFLAGS: 00010246
[   52.398285][  T579] RAX: 0000000000000000 RBX: ffff888009732000 RCX: 0000000000000001
[   52.398760][  T579] RDX: 0000000000000000 RSI: ffffffff91e9b941 RDI: ffffffff916555e0
[   52.399216][  T579] RBP: ffffc900011cf058 R08: 0000000000000000 R09: 0000000000000000
[   52.399667][  T579] R10: ffffc900011cf088 R11: ffffffff92379160 R12: 1ffff92000239df2
[   52.400142][  T579] R13: 00000000000005dc R14: ffffc900011cf088 R15: ffff888009732f08
[   52.400604][  T579] FS:  00007fdf0c7b8800(0000) GS:ffff8880a2437000(0000) knlGS:0000000000000000
[   52.401166][  T579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.401550][  T579] CR2: 00000000004e73c0 CR3: 000000000ed8b006 CR4: 0000000000772ef0
[   52.402013][  T579] PKRU: 55555554
[   52.402248][  T579] Call Trace:
[   52.402481][  T579]  <TASK>
[ 52.402640][ 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) 
[ 52.403030][ T579] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 52.403380][ T579] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 52.403691][ T579] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 52.404012][ T579] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 52.404318][ T579] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 52.404627][ T579] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.404942][ T579] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.405250][ T579] ? ___sys_sendmsg (net/socket.c:2670) 
[ 52.405552][ T579] ? __sys_sendmsg (net/socket.c:2700) 
[ 52.405858][ T579] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.406159][ T579] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 52.406537][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.406859][ T579] netif_set_mtu (net/core/dev.c:9652) 
[ 52.407164][ T579] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 52.407492][ T579] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 52.407722][ T579] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 52.408165][ T579] br_del_if (net/bridge/br_if.c:743) bridge 
[ 52.408503][ T579] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 52.408819][ T579] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 52.409130][ T579] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 52.409436][ T579] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 52.409838][ T579] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 52.410141][ T579] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 52.410446][ T579] ? __kernel_text_address (kernel/extable.c:79) 
[ 52.410787][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.411138][ 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) 
[ 52.411445][ T579] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 52.411844][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.412156][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.412456][ T579] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 52.412774][ T579] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 52.413080][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.413382][ T579] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 52.413682][ T579] ? __create_object (mm/kmemleak.c:771) 
[ 52.413996][ T579] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 52.414299][ T579] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 52.414606][ T579] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 52.414993][ T579] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 52.415307][ T579] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 52.415620][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.415958][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.416271][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.416577][ T579] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 52.416885][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.417199][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.417500][ T579] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 52.417812][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.418119][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.418427][ T579] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 52.418730][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.419041][ T579] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 52.419365][ T579] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 52.419666][ 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) 
[ 52.419991][ T579] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 52.420300][ T579] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 52.420602][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.420918][ T579] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.421240][ T579] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 52.421546][ T579] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 52.421862][ T579] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.422170][ T579] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 52.422474][ T579] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 52.422869][ T579] ___sys_sendmsg (net/socket.c:2670) 
[ 52.423171][ T579] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 52.423474][ 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) 
[ 52.423876][ T579] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 52.424184][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.424490][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.424808][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.425111][ 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) 
[ 52.425412][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.425721][ T579] __sys_sendmsg (net/socket.c:2700) 
[ 52.426034][ T579] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 52.426414][ T579] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 52.426729][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.427045][ T579] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.427349][ T579] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   52.427727][  T579] RIP: 0033:0x7fdf0c9851e7
[ 52.428060][ 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)
[   52.429154][  T579] RSP: 002b:00007ffcc5edeed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   52.429612][  T579] RAX: ffffffffffffffda RBX: 00007ffcc5edf600 RCX: 00007fdf0c9851e7
[   52.430072][  T579] RDX: 0000000000000000 RSI: 00007ffcc5edef40 RDI: 0000000000000005
[   52.430523][  T579] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   52.430990][  T579] R10: 00007fdf0c882ee8 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