======================================
| [   22.857128][  T346] br1: port 1(vx10) entered forwarding state
| [   22.858421][  T346] ------------[ cut here ]------------
| [ 22.858770][ T346] WARNING: CPU: 0 PID: 346 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.859473][  T346] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   22.861585][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.862133][ T346] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.862470][ T346] 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
[   22.863639][  T346] RSP: 0018:ffffc90000586ef0 EFLAGS: 00010246
[   22.864076][  T346] RAX: 0000000000000000 RBX: ffff88800a75a000 RCX: 0000000000000001
[   22.864553][  T346] RDX: 0000000000000000 RSI: ffffffff8fc9b941 RDI: ffffffff8f4555e0
[   22.865028][  T346] RBP: ffffc90000586fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.865504][  T346] R10: ffffc90000587010 R11: ffffffff90aa8918 R12: 1ffff920000b0de2
[   22.865983][  T346] R13: 00000000000005dc R14: ffffc90000587010 R15: ffff88800a75af08
[   22.866457][  T346] FS:  00007fa13c244800(0000) GS:ffff8880a44b7000(0000) knlGS:0000000000000000
[   22.867001][  T346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.867402][  T346] CR2: 00000000004e5ce0 CR3: 000000000f118005 CR4: 0000000000772ef0
[   22.867866][  T346] PKRU: 55555554
[   22.868112][  T346] Call Trace:
[   22.868348][  T346]  <TASK>
[ 22.868519][ T346] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.868839][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.869184][ T346] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.869500][ T346] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.870196][ T346] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.870511][ T346] netif_set_mtu (net/core/dev.c:9652) 
[ 22.870832][ T346] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.871163][ T346] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.871601][ T346] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.871839][ T346] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.872276][ T346] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.872641][ T346] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.872958][ T346] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.873284][ T346] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.873678][ T346] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.874032][ T346] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.874345][ T346] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.874662][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.874987][ T346] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.875301][ T346] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.875690][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.876010][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.876321][ T346] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.876638][ T346] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.876988][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.877304][ T346] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.877650][ T346] ? __create_object (mm/kmemleak.c:771) 
[ 22.877966][ T346] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.878385][ T346] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.878704][ T346] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.879141][ T346] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.879484][ T346] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.879805][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.880125][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.880445][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.880781][ T346] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.881120][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.881437][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.881780][ T346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.882134][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.882452][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.882767][ T346] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.883087][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.883425][ T346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.883754][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.884077][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.884389][ T346] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.884706][ T346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.885022][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.885346][ T346] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.885663][ T346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.885988][ T346] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.886333][ T346] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.886772][ T346] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.887097][ T346] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.887511][ T346] ___sys_sendmsg (net/socket.c:2670) 
[ 22.887852][ T346] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.888171][ T346] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.888556][ T346] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.888873][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.889236][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.889558][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.889870][ T346] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.890195][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.890521][ T346] __sys_sendmsg (net/socket.c:2700) 
[ 22.890837][ T346] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.891240][ T346] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.891569][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.891889][ T346] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.892217][ T346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.892608][  T346] RIP: 0033:0x7fa13c4111e7
[ 22.892938][ T346] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.894094][  T346] RSP: 002b:00007ffe9927f118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.894573][  T346] RAX: ffffffffffffffda RBX: 00007ffe9927f840 RCX: 00007fa13c4111e7
[   22.895344][  T346] RDX: 0000000000000000 RSI: 00007ffe9927f180 RDI: 0000000000000005
[   22.895829][  T346] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.896318][  T346] R10: 00000000048eb910 R11: 0000000000000246 R12: 0000000000000004
[   22.896796][  T346] R13: 00000000686e49a9 R14: 0000000000499600 R15: 0000000000000000
| [   23.392200][  T351] ------------[ cut here ]------------
| [ 23.392519][ T351] WARNING: CPU: 3 PID: 351 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.393891][  T351] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.395241][  T351] Tainted: [W]=WARN
[   23.395482][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.395868][ T351] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.396199][ T351] 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
[   23.397299][  T351] RSP: 0018:ffffc900005d6ef0 EFLAGS: 00010246
[   23.397689][  T351] RAX: 0000000000000000 RBX: ffff88800a75a000 RCX: 0000000000000001
[   23.398168][  T351] RDX: 0000000000000000 RSI: ffffffff8fc9b941 RDI: ffffffff8f4555e0
[   23.398630][  T351] RBP: ffffc900005d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.399114][  T351] R10: ffffc900005d7010 R11: ffffffff90aa8918 R12: 1ffff920000bade2
[   23.399576][  T351] R13: 00000000000005dc R14: ffffc900005d7010 R15: ffff88800a75af08
[   23.400044][  T351] FS:  00007f457a30a800(0000) GS:ffff8880a4637000(0000) knlGS:0000000000000000
[   23.400578][  T351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.400964][  T351] CR2: 00000000004e5de8 CR3: 0000000010208006 CR4: 0000000000772ef0
[   23.401455][  T351] PKRU: 55555554
[   23.401687][  T351] Call Trace:
[   23.401919][  T351]  <TASK>
[ 23.402089][ T351] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.402403][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.402724][ T351] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.403044][ T351] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.403436][ T351] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.403749][ T351] netif_set_mtu (net/core/dev.c:9652) 
[ 23.404070][ T351] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.404463][ T351] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.404906][ T351] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.405154][ T351] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.405586][ T351] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.405947][ T351] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.406279][ T351] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.406621][ T351] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.407025][ T351] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.407339][ T351] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.407650][ T351] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.407979][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.408306][ T351] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.408620][ T351] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.409073][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.409391][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.409699][ T351] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.410019][ T351] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.410329][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.410640][ T351] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.410949][ T351] ? __create_object (mm/kmemleak.c:771) 
[ 23.411276][ T351] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.411610][ T351] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.411920][ T351] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.412311][ T351] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.412631][ T351] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.412981][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.413291][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.413609][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.413917][ T351] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.414229][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.414538][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.414849][ T351] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.415167][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.415482][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.415794][ T351] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.416111][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.416424][ T351] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.416747][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.417062][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.417398][ T351] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.417797][ T351] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.418117][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.418461][ T351] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.418770][ T351] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.419098][ T351] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.419418][ T351] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.419729][ T351] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.420042][ T351] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.420437][ T351] ___sys_sendmsg (net/socket.c:2670) 
[ 23.420743][ T351] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.421057][ T351] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.421446][ T351] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.421758][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.422081][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.422396][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.422701][ T351] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.423017][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.423337][ T351] __sys_sendmsg (net/socket.c:2700) 
[ 23.423642][ T351] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.424036][ T351] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.424358][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.424694][ T351] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.425015][ T351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.425399][  T351] RIP: 0033:0x7f457a4d71e7
[ 23.425719][ T351] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.426857][  T351] RSP: 002b:00007fff3c64fb78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.427334][  T351] RAX: ffffffffffffffda RBX: 00007fff3c6502a0 RCX: 00007f457a4d71e7
[   23.427797][  T351] RDX: 0000000000000000 RSI: 00007fff3c64fbe0 RDI: 0000000000000005
[   23.428272][  T351] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.428736][  T351] R10: 000000003833f910 R11: 0000000000000246 R12: 0000000000000004
[   23.429229][  T351] R13: 00000000686e49aa R14: 0000000000499600 R15: 0000000000000000
| [   23.659794][  T353] ------------[ cut here ]------------
| [ 23.660222][ T353] WARNING: CPU: 2 PID: 353 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) 
| [   23.660926][  T353] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.662447][  T353] Tainted: [W]=WARN
[   23.662725][  T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.663189][ T353] 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) 
[ 23.663575][ T353] 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
[   23.664814][  T353] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   23.665279][  T353] RAX: 0000000000000000 RBX: ffff88800a75a000 RCX: 0000000000000001
[   23.665822][  T353] RDX: 0000000000000000 RSI: ffffffff8fc9b941 RDI: ffffffff8f4555e0
[   23.666518][  T353] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.667330][  T353] R10: ffffc900005e7010 R11: ffffffff90aa8918 R12: 1ffff920000bcde2
[   23.668136][  T353] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff88800a75af08
[   23.668816][  T353] FS:  00007f3278e95800(0000) GS:ffff8880a45b7000(0000) knlGS:0000000000000000
[   23.669512][  T353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.669982][  T353] CR2: 00000000004e5aa8 CR3: 000000000f176004 CR4: 0000000000772ef0
[   23.670522][  T353] PKRU: 55555554
[   23.670802][  T353] Call Trace:
[   23.671099][  T353]  <TASK>
[ 23.671299][ T353] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.671676][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.672065][ T353] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.672431][ T353] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.672875][ T353] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.673266][ T353] netif_set_mtu (net/core/dev.c:9652) 
[ 23.673639][ T353] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.674024][ T353] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.674528][ T353] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.674807][ T353] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.675313][ T353] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.675732][ T353] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.676113][ T353] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.676482][ T353] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.676930][ T353] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.677324][ T353] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.677687][ T353] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.678064][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.678427][ T353] ? __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) 
[ 23.678788][ T353] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.679283][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.679652][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.680031][ T353] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.680394][ T353] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.680775][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.681183][ T353] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.681548][ T353] ? __create_object (mm/kmemleak.c:771) 
[ 23.681914][ T353] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.682298][ T353] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.682674][ T353] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.683131][ T353] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.683498][ T353] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.683865][ T353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.684240][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.684625][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.685010][ T353] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.685373][ T353] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.685742][ T353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.686114][ T353] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.686475][ T353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.686840][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.687268][ T353] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.687638][ T353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.688010][ T353] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.688390][ T353] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.688748][ T353] ? 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) 
[ 23.689160][ T353] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.689534][ T353] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.689896][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.690278][ T353] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.690646][ T353] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.691028][ T353] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.691404][ T353] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.691768][ T353] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.692140][ T353] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.692596][ T353] ___sys_sendmsg (net/socket.c:2670) 
[ 23.692956][ T353] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.693344][ T353] ? __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) 
[ 23.693807][ T353] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.694186][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.694551][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.694913][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.695286][ T353] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.695649][ T353] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.696033][ T353] __sys_sendmsg (net/socket.c:2700) 
[ 23.696408][ T353] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.696863][ T353] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.697268][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.697638][ T353] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.698012][ T353] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.698459][  T353] RIP: 0033:0x7f32790621e7
[ 23.698839][ T353] 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)
[   23.700113][  T353] RSP: 002b:00007fff1f7d7028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.700652][  T353] RAX: ffffffffffffffda RBX: 00007fff1f7d7750 RCX: 00007f32790621e7
[   23.701207][  T353] RDX: 0000000000000000 RSI: 00007fff1f7d7090 RDI: 0000000000000005
[   23.701758][  T353] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.702301][  T353] R10: 000000000069b910 R11: 0000000000000246 R12: 0000000000000004
[   23.702831][  T353] R13: 00000000686e49aa R14: 0000000000499600 R15: 0000000000000000
| [   24.181931][  T357] ------------[ cut here ]------------
| [ 24.182268][ T357] WARNING: CPU: 1 PID: 357 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.182940][  T357] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.184332][  T357] Tainted: [W]=WARN
[   24.184589][  T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.185035][ T357] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.185394][ T357] 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
[   24.186603][  T357] RSP: 0018:ffffc90000616ef0 EFLAGS: 00010246
[   24.187041][  T357] RAX: 0000000000000000 RBX: ffff88800a75a000 RCX: 0000000000000001
[   24.187551][  T357] RDX: 0000000000000000 RSI: ffffffff8fc9b941 RDI: ffffffff8f4555e0
[   24.188064][  T357] RBP: ffffc90000616fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.188571][  T357] R10: ffffc90000617010 R11: ffffffff90aa8918 R12: 1ffff920000c2de2
[   24.189221][  T357] R13: 00000000000005dc R14: ffffc90000617010 R15: ffff88800a75af08
[   24.189704][  T357] FS:  00007f7c69bf2800(0000) GS:ffff8880a4537000(0000) knlGS:0000000000000000
[   24.190274][  T357] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.190675][  T357] CR2: 00000000004e5ab0 CR3: 000000000f144006 CR4: 0000000000772ef0
[   24.191164][  T357] PKRU: 55555554
[   24.191406][  T357] Call Trace:
[   24.191644][  T357]  <TASK>
[ 24.191808][ T357] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.192139][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.192471][ T357] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.192791][ T357] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.193213][ T357] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.193548][ T357] netif_set_mtu (net/core/dev.c:9652) 
[ 24.193870][ T357] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.194210][ T357] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.194667][ T357] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.194915][ T357] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.195396][ T357] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.195766][ T357] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.196105][ T357] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.196439][ T357] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.196849][ T357] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.197304][ T357] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.197628][ T357] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.197951][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.198281][ T357] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 24.198602][ T357] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.199014][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.199341][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.199659][ T357] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.199991][ T357] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.200309][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.200630][ T357] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.200949][ T357] ? __create_object (mm/kmemleak.c:771) 
[ 24.201295][ T357] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.201625][ T357] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.201948][ T357] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.202348][ T357] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.202671][ T357] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.203009][ T357] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.203325][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.203648][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.203984][ T357] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.204306][ T357] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.204626][ T357] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.204943][ T357] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.205291][ T357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.205619][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.205945][ T357] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.206276][ T357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.206593][ T357] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.206924][ T357] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.207251][ T357] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.207575][ T357] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.207894][ T357] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.208219][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.208541][ T357] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.208861][ T357] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.209236][ T357] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.209567][ T357] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.209894][ T357] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.210221][ T357] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.210629][ T357] ___sys_sendmsg (net/socket.c:2670) 
[ 24.210945][ T357] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.211273][ T357] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.211675][ T357] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.212033][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.212357][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.212683][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.213022][ T357] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.213351][ T357] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.213674][ T357] __sys_sendmsg (net/socket.c:2700) 
[ 24.214013][ T357] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.214408][ T357] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.214737][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.215070][ T357] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.215388][ T357] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.215783][  T357] RIP: 0033:0x7f7c69dbf1e7
[ 24.216137][ T357] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.217294][  T357] RSP: 002b:00007ffcdef10a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.217827][  T357] RAX: ffffffffffffffda RBX: 00007ffcdef11150 RCX: 00007f7c69dbf1e7
[   24.218326][  T357] RDX: 0000000000000000 RSI: 00007ffcdef10a90 RDI: 0000000000000005
[   24.218823][  T357] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.219318][  T357] R10: 0000000007866910 R11: 0000000000000246 R12: 0000000000000004
[   24.219816][  T357] R13: 00000000686e49aa R14: 0000000000499600 R15: 0000000000000000
| [   29.084450][  T407] ------------[ cut here ]------------
| [ 29.084778][ T407] WARNING: CPU: 1 PID: 407 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) 
| [   29.085406][  T407] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.086680][  T407] Tainted: [W]=WARN
[   29.086917][  T407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.087309][ T407] 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) 
[ 29.087630][ T407] 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
[   29.088829][  T407] RSP: 0018:ffffc900009b6ef0 EFLAGS: 00010246
[   29.090499][  T407] RAX: 0000000000000000 RBX: ffff888004e1a000 RCX: 0000000000000001
[   29.090989][  T407] RDX: 0000000000000000 RSI: ffffffff8fc9b941 RDI: ffffffff8f4555e0
[   29.091452][  T407] RBP: ffffc900009b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.091934][  T407] R10: ffffc900009b7010 R11: ffffffff90179160 R12: 1ffff92000136de2
[   29.092423][  T407] R13: 00000000000005dc R14: ffffc900009b7010 R15: ffff888004e1af08
[   29.092883][  T407] FS:  00007f0955694800(0000) GS:ffff8880a4537000(0000) knlGS:0000000000000000
[   29.093430][  T407] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.093827][  T407] CR2: 00000000004e6898 CR3: 0000000010fd2003 CR4: 0000000000772ef0
[   29.094339][  T407] PKRU: 55555554
[   29.094569][  T407] Call Trace:
[   29.094796][  T407]  <TASK>
[ 29.094954][ T407] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.095278][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.095595][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.095909][ T407] netif_set_mtu (net/core/dev.c:9652) 
[ 29.096237][ T407] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.096560][ T407] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.096800][ T407] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.097276][ T407] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.097632][ T407] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.097944][ T407] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.098262][ T407] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.098665][ T407] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.098991][ T407] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.099303][ T407] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.099614][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.099928][ T407] ? __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) 
[ 29.100249][ T407] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.100633][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.100954][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.101296][ T407] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.101604][ T407] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.101913][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.102226][ T407] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.102533][ T407] ? __create_object (mm/kmemleak.c:771) 
[ 29.102865][ T407] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.103184][ T407] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.103498][ T407] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.103878][ T407] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.104212][ T407] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.104522][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.104829][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.105151][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.105479][ T407] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.105792][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.106108][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.106413][ T407] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.106723][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.107042][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.107356][ T407] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.107666][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.107983][ T407] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.108307][ T407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.108613][ T407] ? 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) 
[ 29.108927][ T407] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.109264][ T407] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.109573][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.109883][ T407] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.110199][ T407] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.110514][ T407] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.110829][ T407] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.111145][ T407] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.111458][ T407] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.111849][ T407] ___sys_sendmsg (net/socket.c:2670) 
[ 29.112209][ T407] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.112515][ T407] ? __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) 
[ 29.112903][ T407] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.113219][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.113531][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.113839][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.114156][ T407] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.114461][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.114770][ T407] __sys_sendmsg (net/socket.c:2700) 
[ 29.115092][ T407] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.115474][ T407] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.115788][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.116103][ T407] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.116430][ T407] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.116807][  T407] RIP: 0033:0x7f09558611e7
[ 29.117141][ T407] 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)
[   29.118244][  T407] RSP: 002b:00007fff63d470c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.118703][  T407] RAX: ffffffffffffffda RBX: 00007fff63d477f0 RCX: 00007f09558611e7
[   29.119177][  T407] RDX: 0000000000000000 RSI: 00007fff63d47130 RDI: 0000000000000005
[   29.119648][  T407] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.120109][  T407] R10: 000000001e61b910 R11: 0000000000000246 R12: 0000000000000004
[   29.120564][  T407] R13: 00000000686e49af R14: 0000000000499600 R15: 0000000000000000
| [   30.056390][  T415] ------------[ cut here ]------------
| [ 30.056709][ T415] WARNING: CPU: 0 PID: 415 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) 
| [   30.057906][  T415] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   30.059390][  T415] Tainted: [W]=WARN
[   30.059651][  T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.060070][ T415] 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) 
[ 30.060396][ T415] 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
[   30.061529][  T415] RSP: 0018:ffffc90000a86ef0 EFLAGS: 00010246
[   30.061925][  T415] RAX: 0000000000000000 RBX: ffff888004e1a000 RCX: 0000000000000001
[   30.062407][  T415] RDX: 0000000000000000 RSI: ffffffff8fc9b941 RDI: ffffffff8f4555e0
[   30.062871][  T415] RBP: ffffc90000a86fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.063345][  T415] R10: ffffc90000a87010 R11: ffffffff90aa8918 R12: 1ffff92000150de2
[   30.063835][  T415] R13: 00000000000005dc R14: ffffc90000a87010 R15: ffff888004e1af08
[   30.064326][  T415] FS:  00007fd2a93d1800(0000) GS:ffff8880a44b7000(0000) knlGS:0000000000000000
[   30.064866][  T415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.065267][  T415] CR2: 00000000004e5ce0 CR3: 000000000bd3f001 CR4: 0000000000772ef0
[   30.065757][  T415] PKRU: 55555554
[   30.066002][  T415] Call Trace:
[   30.066237][  T415]  <TASK>
[ 30.066402][ T415] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.066710][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.067044][ T415] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 30.067356][ T415] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 30.067744][ T415] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 30.068083][ T415] netif_set_mtu (net/core/dev.c:9652) 
[ 30.068397][ T415] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.068721][ T415] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 30.069189][ T415] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.069426][ T415] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.069853][ T415] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.070222][ T415] do_set_master (net/core/rtnetlink.c:2948) 
[ 30.070543][ T415] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.070858][ T415] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.071267][ T415] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.071582][ T415] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.071889][ T415] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.072282][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.072600][ T415] ? __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) 
[ 30.072930][ T415] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.073331][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.073649][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.073960][ T415] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.074288][ T415] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.074597][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.074910][ T415] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.075244][ T415] ? __create_object (mm/kmemleak.c:771) 
[ 30.075559][ T415] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.075871][ T415] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.076217][ T415] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.076607][ T415] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.076934][ T415] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.077261][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.077566][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.077879][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.078197][ T415] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.078509][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.078820][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.079152][ T415] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.079467][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.079782][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.080117][ T415] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.080435][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.080747][ T415] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.081078][ T415] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.081387][ T415] ? 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) 
[ 30.081698][ T415] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.082023][ T415] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.082335][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.082655][ T415] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.082986][ T415] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.083329][ T415] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.083648][ T415] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.083962][ T415] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.084290][ T415] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.084689][ T415] ___sys_sendmsg (net/socket.c:2670) 
[ 30.085003][ T415] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.085317][ T415] ? __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) 
[ 30.085708][ T415] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.086031][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.086342][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.086657][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.086965][ T415] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.087288][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.087604][ T415] __sys_sendmsg (net/socket.c:2700) 
[ 30.087917][ T415] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.088351][ T415] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.088675][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.089007][ T415] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.089317][ T415] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.089698][  T415] RIP: 0033:0x7fd2a959e1e7
[ 30.090029][ T415] 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)
[   30.091144][  T415] RSP: 002b:00007ffe16f9a528 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.091611][  T415] RAX: ffffffffffffffda RBX: 00007ffe16f9ac50 RCX: 00007fd2a959e1e7
[   30.092093][  T415] RDX: 0000000000000000 RSI: 00007ffe16f9a590 RDI: 0000000000000005
[   30.092560][  T415] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.093028][  T415] R10: 00000000059cf910 R11: 0000000000000246 R12: 0000000000000004
[   30.093489][  T415] R13: 00000000686e49b0 R14: 0000000000499600 R15: 0000000000000000
| [   31.022457][  T422] ------------[ cut here ]------------
| [ 31.022763][ T422] WARNING: CPU: 1 PID: 422 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) 
| [   31.023394][  T422] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   31.024646][  T422] Tainted: [W]=WARN
[   31.024876][  T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.025269][ T422] 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) 
[ 31.025584][ T422] 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
[   31.026703][  T422] RSP: 0018:ffffc90000b76ef0 EFLAGS: 00010246
[   31.027111][  T422] RAX: 0000000000000000 RBX: ffff888004e1a000 RCX: 0000000000000001
[   31.027572][  T422] RDX: 0000000000000000 RSI: ffffffff8fc9b941 RDI: ffffffff8f4555e0
[   31.029209][  T422] RBP: ffffc90000b76fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.029679][  T422] R10: ffffc90000b77010 R11: ffffffff90aa8918 R12: 1ffff9200016ede2
[   31.030143][  T422] R13: 00000000000005dc R14: ffffc90000b77010 R15: ffff888004e1af08
[   31.030600][  T422] FS:  00007ff099765800(0000) GS:ffff8880a4537000(0000) knlGS:0000000000000000
[   31.031158][  T422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.031550][  T422] CR2: 00000000004e5de8 CR3: 000000000b925005 CR4: 0000000000772ef0
[   31.032019][  T422] PKRU: 55555554
[   31.032251][  T422] Call Trace:
[   31.032480][  T422]  <TASK>
[ 31.032639][ T422] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.032945][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.033271][ T422] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 31.033576][ T422] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 31.033965][ T422] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 31.034288][ T422] netif_set_mtu (net/core/dev.c:9652) 
[ 31.034596][ T422] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.034913][ T422] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 31.035485][ T422] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.035725][ T422] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.036178][ T422] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.036535][ T422] do_set_master (net/core/rtnetlink.c:2948) 
[ 31.036846][ T422] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.037169][ T422] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.037585][ T422] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.037891][ T422] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.038242][ T422] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.038562][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.038873][ T422] ? __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) 
[ 31.039220][ T422] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.039604][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.039915][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.040232][ T422] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.040539][ T422] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.040856][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.041178][ T422] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.041483][ T422] ? __create_object (mm/kmemleak.c:771) 
[ 31.041794][ T422] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.042150][ T422] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.042457][ T422] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.042836][ T422] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.043173][ T422] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.043495][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.043796][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.044117][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.044428][ T422] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.044728][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.045044][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.045349][ T422] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.045654][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.045982][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.046295][ T422] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.046603][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.046909][ T422] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.047245][ T422] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.047546][ T422] ? 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) 
[ 31.047876][ T422] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.048196][ T422] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.048499][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.048811][ T422] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.049138][ T422] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.049443][ T422] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.049778][ T422] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.050095][ T422] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.050404][ T422] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.050816][ T422] ___sys_sendmsg (net/socket.c:2670) 
[ 31.051141][ T422] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.051443][ T422] ? __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) 
[ 31.051826][ T422] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.052166][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.052473][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.052793][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.053109][ T422] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.053414][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.053726][ T422] __sys_sendmsg (net/socket.c:2700) 
[ 31.054041][ T422] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.054416][ T422] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.054731][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.055075][ T422] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.055401][ T422] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.055779][  T422] RIP: 0033:0x7ff0999321e7
[ 31.056101][ T422] 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)
[   31.057218][  T422] RSP: 002b:00007ffe72fd3e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.057682][  T422] RAX: ffffffffffffffda RBX: 00007ffe72fd4580 RCX: 00007ff0999321e7
[   31.058163][  T422] RDX: 0000000000000000 RSI: 00007ffe72fd3ec0 RDI: 0000000000000005
[   31.058619][  T422] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.059122][  T422] R10: 00000000121b0910 R11: 0000000000000246 R12: 0000000000000004
[   31.059591][  T422] R13: 00000000686e49b1 R14: 0000000000499600 R15: 0000000000000000
| [   35.359952][  T462] ------------[ cut here ]------------
| [ 35.360303][ T462] WARNING: CPU: 1 PID: 462 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.360936][  T462] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   35.365423][  T462] Tainted: [W]=WARN
[   35.365868][  T462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.366600][ T462] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.367204][ T462] 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
[   35.369406][  T462] RSP: 0018:ffffc90000dbeef0 EFLAGS: 00010246
[   35.370126][  T462] RAX: 0000000000000000 RBX: ffff88800f2ea000 RCX: 0000000000000001
[   35.371007][  T462] RDX: 0000000000000000 RSI: ffffffff8fc9b941 RDI: ffffffff8f4555e0
[   35.371889][  T462] RBP: ffffc90000dbefe0 R08: 0000000000000000 R09: 0000000000000000
[   35.372819][  T462] R10: ffffc90000dbf010 R11: ffffffff90179160 R12: 1ffff920001b7de2
[   35.373691][  T462] R13: 00000000000005dc R14: ffffc90000dbf010 R15: ffff88800f2eaf08
[   35.374576][  T462] FS:  00007f2d6311b800(0000) GS:ffff8880a4537000(0000) knlGS:0000000000000000
[   35.375681][  T462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.376475][  T462] CR2: 00000000004e6898 CR3: 000000000cf0a004 CR4: 0000000000772ef0
[   35.377460][  T462] PKRU: 55555554
[   35.377897][  T462] Call Trace:
[   35.378350][  T462]  <TASK>
[ 35.378646][ T462] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.379291][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.379944][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.380533][ T462] netif_set_mtu (net/core/dev.c:9652) 
[ 35.381185][ T462] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.381814][ T462] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.382274][ T462] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.383126][ T462] br_add_if (net/bridge/br_if.c:697) bridge 
[ 35.383804][ T462] do_set_master (net/core/rtnetlink.c:2948) 
[ 35.384456][ T462] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.385081][ T462] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.385824][ T462] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.386503][ T462] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.387118][ T462] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.387694][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.388315][ T462] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.388965][ T462] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.389764][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.390367][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.390945][ T462] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.391516][ T462] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.392155][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.392757][ T462] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.393345][ T462] ? __create_object (mm/kmemleak.c:771) 
[ 35.393928][ T462] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.394558][ T462] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.395153][ T462] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.395918][ T462] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.396606][ T462] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.397248][ T462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.397808][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.398410][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.399026][ T462] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.399586][ T462] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.400176][ T462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.400740][ T462] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.401323][ T462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.401901][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.402491][ T462] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.403135][ T462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.403698][ T462] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.404320][ T462] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.404932][ T462] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.405526][ T462] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.406116][ T462] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.406740][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.407324][ T462] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.408004][ T462] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.408567][ T462] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.409216][ T462] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.409797][ T462] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.410378][ T462] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.411168][ T462] ___sys_sendmsg (net/socket.c:2670) 
[ 35.411741][ T462] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.412322][ T462] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.413067][ T462] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.413682][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.414408][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.415065][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.415643][ T462] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.416249][ T462] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.416836][ T462] __sys_sendmsg (net/socket.c:2700) 
[ 35.417444][ T462] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.418209][ T462] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.418855][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.419436][ T462] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.420078][ T462] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.420780][  T462] RIP: 0033:0x7f2d632e81e7
[ 35.421429][ T462] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.423447][  T462] RSP: 002b:00007ffedeca49a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.424321][  T462] RAX: ffffffffffffffda RBX: 00007ffedeca50d0 RCX: 00007f2d632e81e7
[   35.425288][  T462] RDX: 0000000000000000 RSI: 00007ffedeca4a10 RDI: 0000000000000005
[   35.426249][  T462] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.427134][  T462] R10: 000000001109c910 R11: 0000000000000246 R12: 0000000000000004
[   35.428059][  T462] R13: 00000000686e49b6 R14: 0000000000499600 R15: 0000000000000000
| [   36.480010][  T470] ------------[ cut here ]------------
| [ 36.480318][ T470] WARNING: CPU: 3 PID: 470 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) 
| [   36.480930][  T470] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   36.482994][  T470] Tainted: [W]=WARN
[   36.483414][  T470] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.483955][ T470] 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) 
[ 36.484307][ T470] 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
[   36.485401][  T470] RSP: 0018:ffffc90000e1eef0 EFLAGS: 00010246
[   36.485782][  T470] RAX: 0000000000000000 RBX: ffff88800f2ea000 RCX: 0000000000000001
[   36.486257][  T470] RDX: 0000000000000000 RSI: ffffffff8fc9b941 RDI: ffffffff8f4555e0
[   36.486711][  T470] RBP: ffffc90000e1efe0 R08: 0000000000000000 R09: 0000000000000000
[   36.487191][  T470] R10: ffffc90000e1f010 R11: ffffffff90aa8918 R12: 1ffff920001c3de2
[   36.487646][  T470] R13: 00000000000005dc R14: ffffc90000e1f010 R15: ffff88800f2eaf08
[   36.488130][  T470] FS:  00007f910c814800(0000) GS:ffff8880a4637000(0000) knlGS:0000000000000000
[   36.488659][  T470] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.489072][  T470] CR2: 00000000004e5ce0 CR3: 000000000b858003 CR4: 0000000000772ef0
[   36.489530][  T470] PKRU: 55555554
[   36.489760][  T470] Call Trace:
[   36.490011][  T470]  <TASK>
[ 36.490173][ T470] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.490487][ T470] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.490807][ T470] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 36.491132][ T470] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 36.491511][ T470] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 36.491817][ T470] netif_set_mtu (net/core/dev.c:9652) 
[ 36.492156][ T470] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 36.492472][ T470] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 36.492912][ T470] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 36.493167][ T470] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 36.493591][ T470] br_add_if (net/bridge/br_if.c:697) bridge 
[ 36.493939][ T470] do_set_master (net/core/rtnetlink.c:2948) 
[ 36.494273][ T470] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 36.494582][ T470] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.494993][ T470] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.495302][ T470] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.495603][ T470] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.495919][ T470] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.496244][ T470] ? __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) 
[ 36.496547][ T470] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.496924][ T470] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.497266][ T470] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.497568][ T470] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.497871][ T470] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.498211][ T470] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.498516][ T470] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.498817][ T470] ? __create_object (mm/kmemleak.c:771) 
[ 36.499172][ T470] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.499479][ T470] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.499786][ T470] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.500184][ T470] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.500494][ T470] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.500807][ T470] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.501130][ T470] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.501441][ T470] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.501744][ T470] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.502074][ T470] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.502387][ T470] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.502689][ T470] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.503024][ T470] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.503335][ T470] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.503644][ T470] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.503950][ T470] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.504284][ T470] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.504608][ T470] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.504910][ T470] ? 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) 
[ 36.505242][ T470] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.505551][ T470] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.505852][ T470] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.506180][ T470] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.506487][ T470] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.506797][ T470] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.507133][ T470] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.507442][ T470] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.507743][ T470] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.508155][ T470] ___sys_sendmsg (net/socket.c:2670) 
[ 36.508456][ T470] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.508760][ T470] ? __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) 
[ 36.509177][ T470] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.509487][ T470] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.509792][ T470] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.510122][ T470] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.510426][ T470] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.510729][ T470] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.511068][ T470] __sys_sendmsg (net/socket.c:2700) 
[ 36.511370][ T470] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.511748][ T470] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.512082][ T470] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.512386][ T470] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.512697][ T470] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.513092][  T470] RIP: 0033:0x7f910c9e11e7
[ 36.513416][ T470] 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)
[   36.514522][  T470] RSP: 002b:00007ffcce1e8ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.515005][  T470] RAX: ffffffffffffffda RBX: 00007ffcce1e9200 RCX: 00007f910c9e11e7
[   36.515460][  T470] RDX: 0000000000000000 RSI: 00007ffcce1e8b40 RDI: 0000000000000005
[   36.515920][  T470] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.516399][  T470] R10: 0000000024f06910 R11: 0000000000000246 R12: 0000000000000004
[   36.516853][  T470] R13: 00000000686e49b7 R14: 0000000000499600 R15: 0000000000000000
| [   37.432287][  T477] ------------[ cut here ]------------
| [ 37.432875][ T477] WARNING: CPU: 2 PID: 477 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) 
| [   37.434024][  T477] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   37.436344][  T477] Tainted: [W]=WARN
[   37.436766][  T477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.437484][ T477] 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) 
[ 37.438078][ T477] 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
[   37.440110][  T477] RSP: 0018:ffffc90000e7eef0 EFLAGS: 00010246
[   37.440745][  T477] RAX: 0000000000000000 RBX: ffff88800f2ea000 RCX: 0000000000000001
[   37.441556][  T477] RDX: 0000000000000000 RSI: ffffffff8fc9b941 RDI: ffffffff8f4555e0
[   37.442432][  T477] RBP: ffffc90000e7efe0 R08: 0000000000000000 R09: 0000000000000000
[   37.443318][  T477] R10: ffffc90000e7f010 R11: ffffffff90aa8918 R12: 1ffff920001cfde2
[   37.444183][  T477] R13: 00000000000005dc R14: ffffc90000e7f010 R15: ffff88800f2eaf08
[   37.445031][  T477] FS:  00007f077f3f2800(0000) GS:ffff8880a45b7000(0000) knlGS:0000000000000000
[   37.446050][  T477] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.446786][  T477] CR2: 00000000004e5de8 CR3: 000000000b879002 CR4: 0000000000772ef0
[   37.447652][  T477] PKRU: 55555554
[   37.448103][  T477] Call Trace:
[   37.448536][  T477]  <TASK>
[ 37.448841][ T477] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.449445][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.450051][ T477] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 37.450530][ T477] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 37.450930][ T477] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 37.451434][ T477] netif_set_mtu (net/core/dev.c:9652) 
[ 37.451763][ T477] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.452118][ T477] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 37.452567][ T477] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.452812][ T477] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 37.453281][ T477] br_add_if (net/bridge/br_if.c:697) bridge 
[ 37.453655][ T477] do_set_master (net/core/rtnetlink.c:2948) 
[ 37.453995][ T477] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.454333][ T477] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.454732][ T477] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.455072][ T477] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.455396][ T477] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.455725][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.456067][ T477] ? __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) 
[ 37.456391][ T477] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.456781][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.457122][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.457442][ T477] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.457758][ T477] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.458120][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.458451][ T477] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.458765][ T477] ? __create_object (mm/kmemleak.c:771) 
[ 37.459124][ T477] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.459451][ T477] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.459769][ T477] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.460184][ T477] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.460515][ T477] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.460837][ T477] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.461183][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.461507][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.461828][ T477] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.462183][ T477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.462515][ T477] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.462830][ T477] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.463205][ T477] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.463530][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.463852][ T477] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.464203][ T477] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.464525][ T477] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.464854][ T477] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.465181][ T477] ? 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) 
[ 37.465512][ T477] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.465831][ T477] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.466170][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.466492][ T477] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.466812][ T477] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.467137][ T477] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.467463][ T477] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.467786][ T477] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.468121][ T477] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.468523][ T477] ___sys_sendmsg (net/socket.c:2670) 
[ 37.468837][ T477] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.469177][ T477] ? __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) 
[ 37.469570][ T477] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.469889][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.470244][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.470572][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.470889][ T477] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.471213][ T477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.471539][ T477] __sys_sendmsg (net/socket.c:2700) 
[ 37.471852][ T477] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.472252][ T477] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.472580][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.472904][ T477] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.473232][ T477] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.473623][  T477] RIP: 0033:0x7f077f5bf1e7
[ 37.473947][ T477] 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)
[   37.475074][  T477] RSP: 002b:00007fffdf376d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.475548][  T477] RAX: ffffffffffffffda RBX: 00007fffdf377440 RCX: 00007f077f5bf1e7
[   37.476033][  T477] RDX: 0000000000000000 RSI: 00007fffdf376d80 RDI: 0000000000000005
[   37.476497][  T477] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.476966][  T477] R10: 0000000028f24910 R11: 0000000000000246 R12: 0000000000000004
[   37.477443][  T477] R13: 00000000686e49b8 R14: 0000000000499600 R15: 0000000000000000
| [   59.619564][  T618] ------------[ cut here ]------------
| [ 59.619939][ T618] WARNING: CPU: 3 PID: 618 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) 
| [   59.621125][  T618] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   59.622606][  T618] Tainted: [W]=WARN
[   59.622867][  T618] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.623278][ T618] 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) 
[ 59.623621][ T618] 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
[   59.624854][  T618] RSP: 0018:ffffc9000138ef70 EFLAGS: 00010246
[   59.625341][  T618] RAX: 0000000000000000 RBX: ffff88800a75a000 RCX: 0000000000000001
[   59.625832][  T618] RDX: 0000000000000000 RSI: ffffffff8fc9b941 RDI: ffffffff8f4555e0
[   59.626320][  T618] RBP: ffffc9000138f058 R08: 0000000000000000 R09: 0000000000000000
[   59.626798][  T618] R10: ffffc9000138f088 R11: ffffffff8c000130 R12: 1ffff92000271df2
[   59.627312][  T618] R13: 00000000000005dc R14: ffffc9000138f088 R15: ffff88800a75af08
[   59.627804][  T618] FS:  00007f744a977800(0000) GS:ffff8880a4637000(0000) knlGS:0000000000000000
[   59.628381][  T618] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.628818][  T618] CR2: 00000000004e5ab0 CR3: 000000000f126003 CR4: 0000000000772ef0
[   59.629319][  T618] PKRU: 55555554
[   59.629554][  T618] Call Trace:
[   59.629782][  T618]  <TASK>
[ 59.629939][ T618] ? __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) 
[ 59.630402][ T618] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 59.630776][ T618] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 59.631185][ T618] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 59.631505][ T618] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 59.631811][ T618] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 59.632178][ T618] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 59.632488][ T618] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 59.632793][ T618] ? ___sys_sendmsg (net/socket.c:2670) 
[ 59.633134][ T618] ? __sys_sendmsg (net/socket.c:2700) 
[ 59.633446][ T618] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 59.633758][ T618] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 59.634168][ T618] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.634513][ T618] netif_set_mtu (net/core/dev.c:9652) 
[ 59.634848][ T618] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 59.635221][ T618] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 59.635508][ T618] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 59.635940][ T618] br_del_if (net/bridge/br_if.c:743) bridge 
[ 59.636318][ T618] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 59.636629][ T618] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 59.636954][ T618] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 59.637296][ T618] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 59.637711][ T618] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 59.638035][ T618] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 59.638349][ T618] ? __kernel_text_address (kernel/extable.c:79) 
[ 59.638679][ T618] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.639026][ T618] ? __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) 
[ 59.639335][ T618] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 59.639728][ T618] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.640079][ T618] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.640400][ T618] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 59.640706][ T618] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 59.641021][ T618] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.641335][ T618] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 59.641637][ T618] ? __create_object (mm/kmemleak.c:771) 
[ 59.641951][ T618] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 59.642285][ T618] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 59.642652][ T618] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 59.643067][ T618] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 59.643453][ T618] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 59.643765][ T618] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.644084][ T618] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.644438][ T618] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.644749][ T618] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 59.645076][ T618] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.645393][ T618] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.645701][ T618] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 59.646034][ T618] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.646348][ T618] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.646667][ T618] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 59.646987][ T618] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.647300][ T618] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 59.647723][ T618] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 59.648043][ T618] ? 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) 
[ 59.648387][ T618] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 59.648698][ T618] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 59.649066][ T618] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.649385][ T618] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 59.649754][ T618] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 59.650126][ T618] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 59.650446][ T618] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 59.650754][ T618] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 59.651087][ T618] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 59.651479][ T618] ___sys_sendmsg (net/socket.c:2670) 
[ 59.651801][ T618] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 59.652207][ T618] ? __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) 
[ 59.652610][ T618] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 59.652947][ T618] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.653332][ T618] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.653690][ T618] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.654025][ T618] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 59.654349][ T618] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.654685][ T618] __sys_sendmsg (net/socket.c:2700) 
[ 59.655016][ T618] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 59.655416][ T618] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 59.655734][ T618] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.656096][ T618] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 59.656464][ T618] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   59.656861][  T618] RIP: 0033:0x7f744ab441e7
[ 59.657188][ T618] 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)
[   59.658362][  T618] RSP: 002b:00007ffe566af428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   59.658836][  T618] RAX: ffffffffffffffda RBX: 00007ffe566afb50 RCX: 00007f744ab441e7
[   59.659358][  T618] RDX: 0000000000000000 RSI: 00007ffe566af490 RDI: 0000000000000005
[   59.659843][  T618] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   59.660350][  T618] R10: 00007f744aa41ee8 R11: 0000000000000246 R12: 0000000000000003
[   59.660918][  T618] R13: 00000000686e49ce R14: 0000000000499600 R15: 0000000000000000
| [   60.139579][  T622] ------------[ cut here ]------------
| [ 60.139932][ T622] WARNING: CPU: 3 PID: 622 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) 
| [   60.140619][  T622] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   60.142409][  T622] Tainted: [W]=WARN
[   60.142675][  T622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 60.143095][ T622] 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) 
[ 60.143445][ T622] 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
[   60.144736][  T622] RSP: 0018:ffffc900013bef70 EFLAGS: 00010246
[   60.145180][  T622] RAX: 0000000000000000 RBX: ffff88800a75a000 RCX: 0000000000000001
[   60.145707][  T622] RDX: 0000000000000000 RSI: ffffffff8fc9b941 RDI: ffffffff8f4555e0
[   60.146226][  T622] RBP: ffffc900013bf058 R08: 0000000000000000 R09: 0000000000000000
[   60.146716][  T622] R10: ffffc900013bf088 R11: ffffffff90179160 R12: 1ffff92000277df2
[   60.147220][  T622] R13: 00000000000005dc R14: ffffc900013bf088 R15: ffff88800a75af08
[   60.147740][  T622] FS:  00007f11ec113800(0000) GS:ffff8880a4637000(0000) knlGS:0000000000000000
[   60.148391][  T622] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.148889][  T622] CR2: 00000000004e5aa8 CR3: 000000000cf60002 CR4: 0000000000772ef0
[   60.149408][  T622] PKRU: 55555554
[   60.149665][  T622] Call Trace:
[   60.149918][  T622]  <TASK>
[ 60.150090][ T622] ? __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) 
[ 60.150526][ T622] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 60.150934][ T622] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 60.151302][ T622] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 60.151625][ T622] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 60.151948][ T622] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 60.152305][ T622] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.152638][ T622] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.152980][ T622] ? ___sys_sendmsg (net/socket.c:2670) 
[ 60.153308][ T622] ? __sys_sendmsg (net/socket.c:2700) 
[ 60.153624][ T622] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.153942][ T622] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 60.154421][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.154762][ T622] netif_set_mtu (net/core/dev.c:9652) 
[ 60.155093][ T622] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 60.155451][ T622] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 60.155698][ T622] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 60.156181][ T622] br_del_if (net/bridge/br_if.c:743) bridge 
[ 60.156568][ T622] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 60.156894][ T622] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 60.157237][ T622] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 60.157559][ T622] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 60.157998][ T622] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 60.158323][ T622] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 60.158640][ T622] ? __kernel_text_address (kernel/extable.c:79) 
[ 60.159020][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.159373][ T622] ? __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) 
[ 60.159701][ T622] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 60.160135][ T622] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.160460][ T622] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.160832][ T622] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 60.161205][ T622] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 60.161547][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.161877][ T622] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 60.162241][ T622] ? __create_object (mm/kmemleak.c:771) 
[ 60.162563][ T622] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 60.162880][ T622] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 60.163208][ T622] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 60.163668][ T622] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 60.164077][ T622] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 60.164412][ T622] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.164754][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.165094][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.165419][ T622] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 60.165760][ T622] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.166126][ T622] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.166540][ T622] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 60.166876][ T622] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.167194][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.167533][ T622] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 60.167855][ T622] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.168209][ T622] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 60.168568][ T622] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 60.168929][ T622] ? 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) 
[ 60.169272][ T622] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 60.169596][ T622] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 60.169904][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.170248][ T622] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.170559][ T622] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 60.170862][ T622] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 60.171189][ T622] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.171519][ T622] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 60.171824][ T622] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 60.172255][ T622] ___sys_sendmsg (net/socket.c:2670) 
[ 60.172571][ T622] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 60.172934][ T622] ? __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) 
[ 60.173336][ T622] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 60.173665][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.173984][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.174335][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.174714][ T622] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 60.175065][ T622] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.175387][ T622] __sys_sendmsg (net/socket.c:2700) 
[ 60.175707][ T622] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 60.176115][ T622] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 60.176442][ T622] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.176788][ T622] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.177110][ T622] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   60.177487][  T622] RIP: 0033:0x7f11ec2e01e7
[ 60.177814][ T622] 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)
[   60.179019][  T622] RSP: 002b:00007ffeb81df3a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   60.179491][  T622] RAX: ffffffffffffffda RBX: 00007ffeb81dfad0 RCX: 00007f11ec2e01e7
[   60.179953][  T622] RDX: 0000000000000000 RSI: 00007ffeb81df410 RDI: 0000000000000005
[   60.180459][  T622] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   60.180994][  T622] R10: 00007f11ec1ddee8 R11: 0000000000000246 R12: 0000000000000003
[   60.181482][  T622] R13: 00000000686e49ce R14: 0000000000499600 R15: 0000000000000000
| [   60.416616][  T624] ------------[ cut here ]------------
| [ 60.417312][ T624] WARNING: CPU: 3 PID: 624 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) 
| [   60.417958][  T624] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   60.419322][  T624] Tainted: [W]=WARN
[   60.419558][  T624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 60.419963][ T624] 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) 
[ 60.420414][ T624] 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
[   60.421537][  T624] RSP: 0018:ffffc900013cef70 EFLAGS: 00010246
[   60.421940][  T624] RAX: 0000000000000000 RBX: ffff88800a75a000 RCX: 0000000000000001
[   60.422430][  T624] RDX: 0000000000000000 RSI: ffffffff8fc9b941 RDI: ffffffff8f4555e0
[   60.422897][  T624] RBP: ffffc900013cf058 R08: 0000000000000000 R09: 0000000000000000
[   60.423379][  T624] R10: ffffc900013cf088 R11: ffffffff90179160 R12: 1ffff92000279df2
[   60.423913][  T624] R13: 00000000000005dc R14: ffffc900013cf088 R15: ffff88800a75af08
[   60.424408][  T624] FS:  00007f9d7463b800(0000) GS:ffff8880a4637000(0000) knlGS:0000000000000000
[   60.425000][  T624] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.425469][  T624] CR2: 00000000004e5de8 CR3: 0000000010278004 CR4: 0000000000772ef0
[   60.425963][  T624] PKRU: 55555554
[   60.426207][  T624] Call Trace:
[   60.426444][  T624]  <TASK>
[ 60.426602][ T624] ? __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) 
[ 60.426998][ T624] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 60.427390][ T624] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 60.427704][ T624] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 60.428069][ T624] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 60.428393][ T624] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 60.428759][ T624] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.429109][ T624] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.429425][ T624] ? ___sys_sendmsg (net/socket.c:2670) 
[ 60.429747][ T624] ? __sys_sendmsg (net/socket.c:2700) 
[ 60.430071][ T624] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.430397][ T624] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 60.430774][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.431099][ T624] netif_set_mtu (net/core/dev.c:9652) 
[ 60.431431][ T624] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 60.431792][ T624] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 60.432052][ T624] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 60.432493][ T624] br_del_if (net/bridge/br_if.c:743) bridge 
[ 60.432846][ T624] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 60.433172][ T624] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 60.433487][ T624] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 60.433816][ T624] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 60.434248][ T624] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 60.434571][ T624] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 60.434877][ T624] ? __kernel_text_address (kernel/extable.c:79) 
[ 60.435216][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.435535][ T624] ? __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) 
[ 60.435880][ T624] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 60.436361][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.436688][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.437032][ T624] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 60.437359][ T624] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 60.437672][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.438047][ T624] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 60.438359][ T624] ? __create_object (mm/kmemleak.c:771) 
[ 60.438700][ T624] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 60.439075][ T624] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 60.439415][ T624] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 60.439829][ T624] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 60.440178][ T624] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 60.440508][ T624] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.440832][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.441154][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.441466][ T624] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 60.441792][ T624] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.442116][ T624] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.442461][ T624] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 60.442783][ T624] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.443110][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.443436][ T624] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 60.443747][ T624] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.444082][ T624] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 60.444403][ T624] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 60.444796][ T624] ? 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) 
[ 60.445120][ T624] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 60.445427][ T624] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 60.445756][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.446097][ T624] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.446417][ T624] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 60.446735][ T624] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 60.447164][ T624] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.447502][ T624] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 60.447832][ T624] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 60.448244][ T624] ___sys_sendmsg (net/socket.c:2670) 
[ 60.448575][ T624] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 60.448904][ T624] ? __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) 
[ 60.449321][ T624] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 60.449648][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.449993][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.450311][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.450626][ T624] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 60.450942][ T624] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.451262][ T624] __sys_sendmsg (net/socket.c:2700) 
[ 60.451568][ T624] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 60.452016][ T624] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 60.452361][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.452668][ T624] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.453014][ T624] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   60.453419][  T624] RIP: 0033:0x7f9d748081e7
[ 60.453838][ T624] 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)
[   60.455065][  T624] RSP: 002b:00007ffe1cc6f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   60.455557][  T624] RAX: ffffffffffffffda RBX: 00007ffe1cc6f890 RCX: 00007f9d748081e7
[   60.456056][  T624] RDX: 0000000000000000 RSI: 00007ffe1cc6f1d0 RDI: 0000000000000005
[   60.456586][  T624] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   60.457157][  T624] R10: 00007f9d74705ee8 R11: 0000000000000246 R12: 0000000000000003
[   60.457660][  T624] R13: 00000000686e49cf R14: 0000000000499600 R15: 0000000000000000
| [   60.964741][  T628] ------------[ cut here ]------------
| [ 60.965879][ T628] WARNING: CPU: 3 PID: 628 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) 
| [   60.966497][  T628] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   60.967751][  T628] Tainted: [W]=WARN
[   60.967990][  T628] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 60.968368][ T628] 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) 
[ 60.968679][ T628] 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
[   60.969784][  T628] RSP: 0018:ffffc9000140ef70 EFLAGS: 00010246
[   60.970177][  T628] RAX: 0000000000000000 RBX: ffff88800a75a000 RCX: 0000000000000001
[   60.970632][  T628] RDX: 0000000000000000 RSI: ffffffff8fc9b941 RDI: ffffffff8f4555e0
[   60.971093][  T628] RBP: ffffc9000140f058 R08: 0000000000000000 R09: 0000000000000000
[   60.971547][  T628] R10: ffffc9000140f088 R11: ffffffff90179160 R12: 1ffff92000281df2
[   60.972007][  T628] R13: 00000000000005dc R14: ffffc9000140f088 R15: ffff88800a75af08
[   60.972461][  T628] FS:  00007f3f9f524800(0000) GS:ffff8880a4637000(0000) knlGS:0000000000000000
[   60.973002][  T628] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.973385][  T628] CR2: 00000000004e5ce0 CR3: 000000000f1f9004 CR4: 0000000000772ef0
[   60.973844][  T628] PKRU: 55555554
[   60.974079][  T628] Call Trace:
[   60.974306][  T628]  <TASK>
[ 60.974459][ T628] ? __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) 
[ 60.974838][ T628] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 60.975200][ T628] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 60.975505][ T628] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 60.975810][ T628] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 60.976119][ T628] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 60.976425][ T628] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.976726][ T628] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.977037][ T628] ? ___sys_sendmsg (net/socket.c:2670) 
[ 60.977338][ T628] ? __sys_sendmsg (net/socket.c:2700) 
[ 60.977637][ T628] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.977939][ T628] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 60.978326][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.978640][ T628] netif_set_mtu (net/core/dev.c:9652) 
[ 60.978946][ T628] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 60.979289][ T628] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 60.979519][ T628] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 60.979940][ T628] br_del_if (net/bridge/br_if.c:743) bridge 
[ 60.980291][ T628] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 60.980596][ T628] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 60.980911][ T628] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 60.981229][ T628] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 60.981614][ T628] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 60.981914][ T628] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 60.982238][ T628] ? __kernel_text_address (kernel/extable.c:79) 
[ 60.982546][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.982854][ T628] ? __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) 
[ 60.983164][ T628] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 60.983546][ T628] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.983849][ T628] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.984159][ T628] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 60.984463][ T628] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 60.984769][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.985079][ T628] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 60.985387][ T628] ? __create_object (mm/kmemleak.c:771) 
[ 60.985694][ T628] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 60.986007][ T628] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 60.986309][ T628] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 60.986686][ T628] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 60.987008][ T628] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 60.987324][ T628] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.987629][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.987941][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.988253][ T628] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 60.988554][ T628] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.988864][ T628] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.989188][ T628] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 60.989493][ T628] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.989798][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.990117][ T628] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 60.990420][ T628] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.990724][ T628] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 60.991049][ T628] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 60.991350][ T628] ? 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) 
[ 60.991654][ T628] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 60.991960][ T628] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 60.992275][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.992581][ T628] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.992890][ T628] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 60.993202][ T628] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 60.993511][ T628] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.993817][ T628] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 60.994132][ T628] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 60.994525][ T628] ___sys_sendmsg (net/socket.c:2670) 
[ 60.994833][ T628] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 60.995144][ T628] ? __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) 
[ 60.995522][ T628] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 60.995827][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.996141][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.996449][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.996758][ T628] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 60.997069][ T628] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.997379][ T628] __sys_sendmsg (net/socket.c:2700) 
[ 60.997681][ T628] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 60.998068][ T628] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 60.998384][ T628] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.998691][ T628] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.999014][ T628] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   60.999399][  T628] RIP: 0033:0x7f3f9f6f11e7
[ 60.999714][ T628] 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)
[   61.000799][  T628] RSP: 002b:00007ffe136f37c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   61.001272][  T628] RAX: ffffffffffffffda RBX: 00007ffe136f3ef0 RCX: 00007f3f9f6f11e7
[   61.001729][  T628] RDX: 0000000000000000 RSI: 00007ffe136f3830 RDI: 0000000000000005
[   61.002195][  T628] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   61.002648][  T628] R10: 00007f3f9f5eeee8 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