======================================
| [   36.357356][  T446] GACT probability NOT on
| [   42.255011][  T503] ------------[ cut here ]------------
| [ 42.257208][ T503] WARNING: CPU: 1 PID: 503 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) 
| [   42.257977][  T503] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
[   42.259318][  T503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.259686][ T503] 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) 
[ 42.259995][ T503] 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
[   42.261036][  T503] RSP: 0018:ffffc90000627140 EFLAGS: 00010246
[   42.261416][  T503] RAX: 0000000000000000 RBX: ffff88800890c000 RCX: 0000000000000001
[   42.261861][  T503] RDX: 0000000000000000 RSI: ffffffff9a49b941 RDI: ffffffff99c555e0
[   42.262320][  T503] RBP: ffffc90000627230 R08: ffff888002aa8800 R09: 0000000000000000
[   42.262759][  T503] R10: ffffc900006275c8 R11: ffffffff9b250668 R12: 1ffff920000c4e2c
[   42.263193][  T503] R13: 00000000000007d0 R14: ffffc90000627880 R15: ffff8880090bbbe0
[   42.263641][  T503] FS:  00007f3981de8800(0000) GS:ffff888092f37000(0000) knlGS:0000000000000000
[   42.264145][  T503] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.264522][  T503] CR2: 00000000004e5aa0 CR3: 000000000bc15005 CR4: 0000000000772ef0
[   42.264960][  T503] PKRU: 55555554
[   42.265183][  T503] Call Trace:
[   42.265416][  T503]  <TASK>
[ 42.265568][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.265884][ T503] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.266172][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.266484][ T503] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.266759][ T503] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.267037][ T503] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.267328][ T503] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.267643][ T503] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.268011][ T503] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.268314][ T503] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.268601][ T503] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.268891][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.269182][ T503] ? __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) 
[ 42.269483][ T503] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.269880][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.270175][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.270469][ T503] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.270745][ T503] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.271026][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.271308][ T503] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.271579][ T503] ? __create_object (mm/kmemleak.c:771) 
[ 42.271862][ T503] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.272143][ T503] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.272432][ T503] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.272799][ T503] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.273094][ T503] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.273400][ T503] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.273688][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.273983][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.274271][ T503] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.274571][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.274861][ T503] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.275148][ T503] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.275446][ T503] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.275736][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.276029][ T503] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.276347][ T503] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.276630][ T503] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.276914][ T503] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.277187][ T503] ? 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) 
[ 42.277470][ T503] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.277748][ T503] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.278021][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.278325][ T503] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.278609][ T503] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.278882][ T503] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.279172][ T503] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.279460][ T503] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.279733][ T503] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.280082][ T503] ___sys_sendmsg (net/socket.c:2670) 
[ 42.280364][ T503] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.280644][ T503] ? __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) 
[ 42.280984][ T503] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.281258][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.281544][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.281822][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.282095][ T503] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.282396][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.282683][ T503] __sys_sendmsg (net/socket.c:2700) 
[ 42.282953][ T503] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.283289][ T503] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.283585][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.283859][ T503] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.284133][ T503] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.284483][  T503] RIP: 0033:0x7f3981fb51e7
[ 42.284773][ T503] 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)
[   42.285767][  T503] RSP: 002b:00007ffd37307ab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.286193][  T503] RAX: ffffffffffffffda RBX: 00007ffd373081e0 RCX: 00007f3981fb51e7
[   42.286645][  T503] RDX: 0000000000000000 RSI: 00007ffd37307b20 RDI: 0000000000000005
[   42.287058][  T503] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.287476][  T503] R10: 00007f3981eb2ee8 R11: 0000000000000246 R12: 0000000000000004
[   42.287895][  T503] R13: 00000000686e4928 R14: 0000000000499600 R15: 0000000000000000
| [   42.399870][  T504] ------------[ cut here ]------------
| [ 42.400187][ T504] WARNING: CPU: 3 PID: 504 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) 
| [   42.400753][  T504] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.403493][  T504] Tainted: [W]=WARN
[   42.403712][  T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.404061][ T504] 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) 
[ 42.404356][ T504] 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
[   42.405344][  T504] RSP: 0018:ffffc90000627140 EFLAGS: 00010246
[   42.405699][  T504] RAX: 0000000000000000 RBX: ffff888007911000 RCX: 0000000000000001
[   42.406109][  T504] RDX: 0000000000000000 RSI: ffffffff9a49b941 RDI: ffffffff99c555e0
[   42.406541][  T504] RBP: ffffc90000627230 R08: ffff88800b932000 R09: 0000000000000000
[   42.406949][  T504] R10: ffffc900006275c8 R11: ffffffff9b250668 R12: 1ffff920000c4e2c
[   42.407365][  T504] R13: 00000000000007d0 R14: ffffc90000627880 R15: ffff8880090bb160
[   42.407779][  T504] FS:  00007f5cb0d70800(0000) GS:ffff888093037000(0000) knlGS:0000000000000000
[   42.408263][  T504] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.408615][  T504] CR2: 00000000004e5aa8 CR3: 000000000ade6004 CR4: 0000000000772ef0
[   42.409028][  T504] PKRU: 55555554
[   42.409232][  T504] Call Trace:
[   42.409451][  T504]  <TASK>
[ 42.409591][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.409868][ T504] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.410141][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.410427][ T504] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.410700][ T504] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.410977][ T504] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.411259][ T504] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.411549][ T504] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.411898][ T504] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.412173][ T504] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.412463][ T504] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.412741][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.413018][ T504] ? __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) 
[ 42.413308][ T504] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.413648][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.413924][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.414196][ T504] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.414487][ T504] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.414762][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.415034][ T504] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.415313][ T504] ? __create_object (mm/kmemleak.c:771) 
[ 42.415595][ T504] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.415870][ T504] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.416141][ T504] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.416503][ T504] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.416785][ T504] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.417063][ T504] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.417344][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.417632][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.417906][ T504] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.418176][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.418463][ T504] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.418737][ T504] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.419010][ T504] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.419288][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.419579][ T504] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.419859][ T504] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.420132][ T504] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.420427][ T504] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.420700][ T504] ? 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) 
[ 42.420975][ T504] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.421253][ T504] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.421533][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.421820][ T504] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.422096][ T504] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.422379][ T504] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.422664][ T504] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.422950][ T504] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.423223][ T504] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.423590][ T504] ___sys_sendmsg (net/socket.c:2670) 
[ 42.423873][ T504] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.424144][ T504] ? __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) 
[ 42.424503][ T504] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.424781][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.425063][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.425351][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.425630][ T504] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.425909][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.426201][ T504] __sys_sendmsg (net/socket.c:2700) 
[ 42.426507][ T504] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.426850][ T504] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.427138][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.427426][ T504] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.427705][ T504] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.428051][  T504] RIP: 0033:0x7f5cb0f3d1e7
[ 42.428343][ T504] 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)
[   42.429326][  T504] RSP: 002b:00007ffdf5c1fff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.429738][  T504] RAX: ffffffffffffffda RBX: 00007ffdf5c20720 RCX: 00007f5cb0f3d1e7
[   42.430155][  T504] RDX: 0000000000000000 RSI: 00007ffdf5c20060 RDI: 0000000000000005
[   42.430572][  T504] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.430980][  T504] R10: 00007f5cb0e3aee8 R11: 0000000000000246 R12: 0000000000000004
[   42.431396][  T504] R13: 00000000686e4928 R14: 0000000000499600 R15: 0000000000000000
| [   42.554843][  T505] ------------[ cut here ]------------
| [ 42.555156][ T505] WARNING: CPU: 0 PID: 505 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) 
| [   42.555722][  T505] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.556895][  T505] Tainted: [W]=WARN
[   42.557104][  T505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.557456][ T505] 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) 
[ 42.557741][ T505] 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
[   42.558735][  T505] RSP: 0018:ffffc900007b7140 EFLAGS: 00010246
[   42.559084][  T505] RAX: 0000000000000000 RBX: ffff88800beec000 RCX: 0000000000000001
[   42.559505][  T505] RDX: 0000000000000000 RSI: ffffffff9a49b941 RDI: ffffffff99c555e0
[   42.559916][  T505] RBP: ffffc900007b7230 R08: ffff88800e312000 R09: 0000000000000000
[   42.560333][  T505] R10: ffffc900007b75c8 R11: ffffffff9b250668 R12: 1ffff920000f6e2c
[   42.560750][  T505] R13: 00000000000007d0 R14: ffffc900007b7880 R15: ffff8880090b8ae0
[   42.561160][  T505] FS:  00007fd5d2b6d800(0000) GS:ffff888092eb7000(0000) knlGS:0000000000000000
[   42.561650][  T505] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.561996][  T505] CR2: 00000000004e73c8 CR3: 000000000e03b004 CR4: 0000000000772ef0
[   42.562425][  T505] PKRU: 55555554
[   42.562630][  T505] Call Trace:
[   42.562834][  T505]  <TASK>
[ 42.562976][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.563254][ T505] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.563535][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.563810][ T505] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.564085][ T505] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.564373][ T505] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.564654][ T505] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.564933][ T505] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.565280][ T505] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.565559][ T505] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.565830][ T505] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.566106][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.566403][ T505] ? __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) 
[ 42.566677][ T505] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.567018][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.567292][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.567572][ T505] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.567845][ T505] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.568121][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.568408][ T505] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.568679][ T505] ? __create_object (mm/kmemleak.c:771) 
[ 42.568959][ T505] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.569233][ T505] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.569514][ T505] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.569856][ T505] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.570137][ T505] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.570424][ T505] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.570708][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.570987][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.571262][ T505] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.571543][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.571819][ T505] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.572094][ T505] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.572377][ T505] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.572662][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.572942][ T505] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.573216][ T505] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.573500][ T505] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.573786][ T505] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.574057][ T505] ? 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) 
[ 42.574342][ T505] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.574625][ T505] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.574897][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.575177][ T505] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.575465][ T505] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.575740][ T505] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.576022][ T505] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.576320][ T505] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.576594][ T505] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.576954][ T505] ___sys_sendmsg (net/socket.c:2670) 
[ 42.577224][ T505] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.577509][ T505] ? __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) 
[ 42.577853][ T505] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.578128][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.578413][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.578693][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.578968][ T505] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.579242][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.579538][ T505] __sys_sendmsg (net/socket.c:2700) 
[ 42.579811][ T505] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.580151][ T505] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.580449][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.580727][ T505] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.581006][ T505] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.581358][  T505] RIP: 0033:0x7fd5d2d3a1e7
[ 42.581643][ T505] 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)
[   42.582632][  T505] RSP: 002b:00007ffdf9f81428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.583052][  T505] RAX: ffffffffffffffda RBX: 00007ffdf9f81b50 RCX: 00007fd5d2d3a1e7
[   42.583505][  T505] RDX: 0000000000000000 RSI: 00007ffdf9f81490 RDI: 0000000000000005
[   42.583917][  T505] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.584338][  T505] R10: 00007fd5d2c37ee8 R11: 0000000000000246 R12: 0000000000000004
[   42.584755][  T505] R13: 00000000686e4928 R14: 0000000000499600 R15: 0000000000000000
| [   42.708883][  T506] ------------[ cut here ]------------
| [ 42.709194][ T506] WARNING: CPU: 1 PID: 506 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) 
| [   42.709769][  T506] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.710916][  T506] Tainted: [W]=WARN
[   42.711122][  T506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.711473][ T506] 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) 
[ 42.711760][ T506] 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
[   42.712738][  T506] RSP: 0018:ffffc900004e7140 EFLAGS: 00010246
[   42.713083][  T506] RAX: 0000000000000000 RBX: ffff888009481000 RCX: 0000000000000001
[   42.713497][  T506] RDX: 0000000000000000 RSI: ffffffff9a49b941 RDI: ffffffff99c555e0
[   42.713910][  T506] RBP: ffffc900004e7230 R08: ffff88800572e800 R09: 0000000000000000
[   42.714330][  T506] R10: ffffc900004e75c8 R11: ffffffff9b250668 R12: 1ffff9200009ce2c
[   42.714739][  T506] R13: 00000000000007d0 R14: ffffc900004e7880 R15: ffff8880090b8060
[   42.715146][  T506] FS:  00007fcd878a4800(0000) GS:ffff888092f37000(0000) knlGS:0000000000000000
[   42.715764][  T506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.716109][  T506] CR2: 00000000004e5ab0 CR3: 00000000032e9001 CR4: 0000000000772ef0
[   42.716654][  T506] PKRU: 55555554
[   42.716860][  T506] Call Trace:
[   42.717063][  T506]  <TASK>
[ 42.717202][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.717608][ T506] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.717885][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.718161][ T506] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.718580][ T506] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.718856][ T506] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.719131][ T506] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.719562][ T506] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.719917][ T506] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.720193][ T506] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.720472][ T506] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.720748][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.721025][ T506] ? __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) 
[ 42.721307][ T506] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.721643][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.721924][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.722195][ T506] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.722479][ T506] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.722759][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.723033][ T506] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.723311][ T506] ? __create_object (mm/kmemleak.c:771) 
[ 42.723585][ T506] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.723860][ T506] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.724139][ T506] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.724485][ T506] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.724765][ T506] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.725043][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.725324][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.725603][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.725876][ T506] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.726147][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.726443][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.726716][ T506] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.726989][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.727265][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.727553][ T506] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.727828][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.728102][ T506] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.728402][ T506] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.728674][ T506] ? 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) 
[ 42.728950][ T506] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.729225][ T506] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.729506][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.729786][ T506] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.730063][ T506] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.730368][ T506] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.730651][ T506] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.730928][ T506] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.731199][ T506] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.731558][ T506] ___sys_sendmsg (net/socket.c:2670) 
[ 42.731828][ T506] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.732099][ T506] ? __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) 
[ 42.732455][ T506] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.732731][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.733008][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.733286][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.733570][ T506] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.733842][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.734127][ T506] __sys_sendmsg (net/socket.c:2700) 
[ 42.734414][ T506] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.734752][ T506] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.735035][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.735323][ T506] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.735596][ T506] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.735931][  T506] RIP: 0033:0x7fcd87a711e7
[ 42.736215][ T506] 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)
[   42.737210][  T506] RSP: 002b:00007fff2848cd68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.737630][  T506] RAX: ffffffffffffffda RBX: 00007fff2848d490 RCX: 00007fcd87a711e7
[   42.738040][  T506] RDX: 0000000000000000 RSI: 00007fff2848cdd0 RDI: 0000000000000005
[   42.738463][  T506] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.738872][  T506] R10: 00007fcd8796eee8 R11: 0000000000000246 R12: 0000000000000004
[   42.739279][  T506] R13: 00000000686e4928 R14: 0000000000499600 R15: 0000000000000000
| [   42.853473][  T507] ------------[ cut here ]------------
| [ 42.853817][ T507] WARNING: CPU: 2 PID: 507 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) 
| [   42.854435][  T507] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.855613][  T507] Tainted: [W]=WARN
[   42.855834][  T507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.856189][ T507] 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) 
[ 42.856512][ T507] 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
[   42.857517][  T507] RSP: 0018:ffffc900004d7140 EFLAGS: 00010246
[   42.857879][  T507] RAX: 0000000000000000 RBX: ffff88800b8e9000 RCX: 0000000000000001
[   42.858309][  T507] RDX: 0000000000000000 RSI: ffffffff9a49b941 RDI: ffffffff99c555e0
[   42.858737][  T507] RBP: ffffc900004d7230 R08: ffff88800ae26800 R09: 0000000000000000
[   42.859161][  T507] R10: ffffc900004d75c8 R11: ffffffff9b250668 R12: 1ffff9200009ae2c
[   42.859738][  T507] R13: 00000000000007d0 R14: ffffc900004d7880 R15: ffff8880050d9560
[   42.860334][  T507] FS:  00007facac4df800(0000) GS:ffff888092fb7000(0000) knlGS:0000000000000000
[   42.860886][  T507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.861245][  T507] CR2: 00000000004e55b8 CR3: 0000000008c3c001 CR4: 0000000000772ef0
[   42.861678][  T507] PKRU: 55555554
[   42.861897][  T507] Call Trace:
[   42.862113][  T507]  <TASK>
[ 42.862266][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.862573][ T507] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.862865][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.863157][ T507] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.863459][ T507] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.863758][ T507] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.864051][ T507] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.864358][ T507] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.864718][ T507] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.865013][ T507] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.865336][ T507] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.865630][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.865919][ T507] ? __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) 
[ 42.866208][ T507] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.866580][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.866872][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.867165][ T507] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.867479][ T507] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.867772][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.868060][ T507] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.868354][ T507] ? __create_object (mm/kmemleak.c:771) 
[ 42.868647][ T507] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.868933][ T507] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.869229][ T507] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.869594][ T507] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.870009][ T507] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.870312][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.870603][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.870897][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.871189][ T507] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.871509][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.871811][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.872098][ T507] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.872401][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.872694][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.872988][ T507] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.873274][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.873575][ T507] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.873885][ T507] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.874172][ T507] ? 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) 
[ 42.874470][ T507] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.874762][ T507] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.875045][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.875348][ T507] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.875637][ T507] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.875931][ T507] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.876253][ T507] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.876581][ T507] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.876868][ T507] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.877233][ T507] ___sys_sendmsg (net/socket.c:2670) 
[ 42.877530][ T507] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.877816][ T507] ? __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) 
[ 42.878182][ T507] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.878481][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.878772][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.879064][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.879371][ T507] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.879657][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.879954][ T507] __sys_sendmsg (net/socket.c:2700) 
[ 42.880239][ T507] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.880608][ T507] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.880908][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.881197][ T507] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.881492][ T507] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.881871][  T507] RIP: 0033:0x7facac6ac1e7
[ 42.882168][ T507] 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)
[   42.883277][  T507] RSP: 002b:00007ffec5082828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.883716][  T507] RAX: ffffffffffffffda RBX: 00007ffec5082f50 RCX: 00007facac6ac1e7
[   42.884142][  T507] RDX: 0000000000000000 RSI: 00007ffec5082890 RDI: 0000000000000005
[   42.884580][  T507] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.885001][  T507] R10: 00007facac5a9ee8 R11: 0000000000000246 R12: 0000000000000004
[   42.885435][  T507] R13: 00000000686e4928 R14: 0000000000499600 R15: 0000000000000000
| [   42.996924][  T508] ------------[ cut here ]------------
| [ 42.997236][ T508] WARNING: CPU: 0 PID: 508 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) 
| [   42.998907][  T508] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.000059][  T508] Tainted: [W]=WARN
[   43.000267][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.000614][ T508] 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) 
[ 43.000900][ T508] 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
[   43.001891][  T508] RSP: 0018:ffffc90000677140 EFLAGS: 00010246
[   43.002235][  T508] RAX: 0000000000000000 RBX: ffff888005dc1000 RCX: 0000000000000001
[   43.002654][  T508] RDX: 0000000000000000 RSI: ffffffff9a49b941 RDI: ffffffff99c555e0
[   43.003061][  T508] RBP: ffffc90000677230 R08: ffff88800c3eb800 R09: 0000000000000000
[   43.003483][  T508] R10: ffffc900006775c8 R11: ffffffff9b250668 R12: 1ffff920000cee2c
[   43.003892][  T508] R13: 00000000000007d0 R14: ffffc90000677880 R15: ffff8880050d83e0
[   43.004309][  T508] FS:  00007fc0a057c800(0000) GS:ffff888092eb7000(0000) knlGS:0000000000000000
[   43.004787][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.005131][  T508] CR2: 00000000004e5ac8 CR3: 000000000e200002 CR4: 0000000000772ef0
[   43.005556][  T508] PKRU: 55555554
[   43.005764][  T508] Call Trace:
[   43.005968][  T508]  <TASK>
[ 43.006108][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.006404][ T508] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.006676][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.006953][ T508] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.007225][ T508] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.007516][ T508] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.007831][ T508] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.008114][ T508] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.008472][ T508] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.008749][ T508] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.009025][ T508] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.009316][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.009594][ T508] ? __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) 
[ 43.009867][ T508] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.010207][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.010494][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.010769][ T508] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.011040][ T508] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.011325][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.011599][ T508] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.011871][ T508] ? __create_object (mm/kmemleak.c:771) 
[ 43.012147][ T508] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.012431][ T508] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.012707][ T508] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.013047][ T508] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.013341][ T508] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.013628][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.013898][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.014175][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.014463][ T508] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.014734][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.015006][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.015280][ T508] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.015562][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.015845][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.016126][ T508] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.016422][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.016695][ T508] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.016978][ T508] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.017249][ T508] ? 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) 
[ 43.017532][ T508] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.017817][ T508] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.018089][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.018377][ T508] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.018660][ T508] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.018933][ T508] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.019217][ T508] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.019518][ T508] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.019797][ T508] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.020149][ T508] ___sys_sendmsg (net/socket.c:2670) 
[ 43.020428][ T508] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.020700][ T508] ? __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) 
[ 43.021040][ T508] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.021324][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.021604][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.021989][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.022266][ T508] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.022546][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.022828][ T508] __sys_sendmsg (net/socket.c:2700) 
[ 43.023101][ T508] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.023465][ T508] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.023750][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.024031][ T508] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.024315][ T508] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.024651][  T508] RIP: 0033:0x7fc0a07491e7
[ 43.024935][ T508] 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)
[   43.025926][  T508] RSP: 002b:00007ffece24cdb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.026366][  T508] RAX: ffffffffffffffda RBX: 00007ffece24d4e0 RCX: 00007fc0a07491e7
[   43.026777][  T508] RDX: 0000000000000000 RSI: 00007ffece24ce20 RDI: 0000000000000005
[   43.027187][  T508] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.027603][  T508] R10: 00007fc0a0646ee8 R11: 0000000000000246 R12: 0000000000000004
[   43.028021][  T508] R13: 00000000686e4928 R14: 0000000000499600 R15: 0000000000000000
| [   43.133074][  T509] ------------[ cut here ]------------
| [ 43.133473][ T509] WARNING: CPU: 3 PID: 509 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) 
| [   43.134018][  T509] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.135170][  T509] Tainted: [W]=WARN
[   43.135400][  T509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.135743][ T509] 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) 
[ 43.136027][ T509] 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
[   43.137041][  T509] RSP: 0018:ffffc90000687140 EFLAGS: 00010246
[   43.137401][  T509] RAX: 0000000000000000 RBX: ffff8880098b1000 RCX: 0000000000000001
[   43.137815][  T509] RDX: 0000000000000000 RSI: ffffffff9a49b941 RDI: ffffffff99c555e0
[   43.138229][  T509] RBP: ffffc90000687230 R08: ffff88800a365000 R09: 0000000000000000
[   43.138656][  T509] R10: ffffc900006875c8 R11: ffffffff9b250668 R12: 1ffff920000d0e2c
[   43.139070][  T509] R13: 00000000000007d0 R14: ffffc90000687880 R15: ffff8880050dade0
[   43.139490][  T509] FS:  00007fa6ae393800(0000) GS:ffff888093037000(0000) knlGS:0000000000000000
[   43.139968][  T509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.140332][  T509] CR2: 00000000004e5ac0 CR3: 000000000a008002 CR4: 0000000000772ef0
[   43.140746][  T509] PKRU: 55555554
[   43.140952][  T509] Call Trace:
[   43.141157][  T509]  <TASK>
[ 43.141450][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.141733][ T509] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.142005][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.142282][ T509] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.142736][ T509] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.143012][ T509] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.143291][ T509] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.143751][ T509] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.144098][ T509] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.144384][ T509] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.144665][ T509] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.144943][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.145223][ T509] ? __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) 
[ 43.145507][ T509] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.145846][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.146125][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.146420][ T509] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.146702][ T509] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.146977][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.147251][ T509] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.147529][ T509] ? __create_object (mm/kmemleak.c:771) 
[ 43.147805][ T509] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.148080][ T509] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.148368][ T509] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.148708][ T509] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.148995][ T509] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.149275][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.149557][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.149837][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.150232][ T509] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.150522][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.150802][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.151076][ T509] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.151365][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.151646][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.151924][ T509] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.152202][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.152489][ T509] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.152774][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.153045][ T509] ? 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) 
[ 43.153336][ T509] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.153614][ T509] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.153888][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.154168][ T509] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.154454][ T509] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.154731][ T509] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.155013][ T509] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.155309][ T509] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.155582][ T509] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.155941][ T509] ___sys_sendmsg (net/socket.c:2670) 
[ 43.156214][ T509] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.156508][ T509] ? __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) 
[ 43.156856][ T509] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.157131][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.157441][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.157723][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.157999][ T509] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.158279][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.158575][ T509] __sys_sendmsg (net/socket.c:2700) 
[ 43.158857][ T509] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.159196][ T509] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.159496][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.159772][ T509] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.160047][ T509] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.160397][  T509] RIP: 0033:0x7fa6ae5601e7
[ 43.160681][ T509] 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)
[   43.161679][  T509] RSP: 002b:00007fffa6b40cd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.162096][  T509] RAX: ffffffffffffffda RBX: 00007fffa6b41400 RCX: 00007fa6ae5601e7
[   43.162515][  T509] RDX: 0000000000000000 RSI: 00007fffa6b40d40 RDI: 0000000000000005
[   43.162925][  T509] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.163350][  T509] R10: 00007fa6ae45dee8 R11: 0000000000000246 R12: 0000000000000004
[   43.163761][  T509] R13: 00000000686e4928 R14: 0000000000499600 R15: 0000000000000000
| [   43.275318][  T510] ------------[ cut here ]------------
| [ 43.275635][ T510] WARNING: CPU: 0 PID: 510 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) 
| [   43.276176][  T510] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.277348][  T510] Tainted: [W]=WARN
[   43.277563][  T510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.277907][ T510] 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) 
[ 43.278199][ T510] 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
[   43.279200][  T510] RSP: 0018:ffffc90000687140 EFLAGS: 00010246
[   43.279555][  T510] RAX: 0000000000000000 RBX: ffff88800bc8c000 RCX: 0000000000000001
[   43.279969][  T510] RDX: 0000000000000000 RSI: ffffffff9a49b941 RDI: ffffffff99c555e0
[   43.280387][  T510] RBP: ffffc90000687230 R08: ffff8880097ca000 R09: 0000000000000000
[   43.280810][  T510] R10: ffffc900006875c8 R11: ffffffff9b250668 R12: 1ffff920000d0e2c
[   43.281219][  T510] R13: 00000000000007d0 R14: ffffc90000687880 R15: ffff8880050d9fe0
[   43.281639][  T510] FS:  00007f6d1b48d800(0000) GS:ffff888092eb7000(0000) knlGS:0000000000000000
[   43.282119][  T510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.282474][  T510] CR2: 00000000004e73f0 CR3: 000000000a283005 CR4: 0000000000772ef0
[   43.282888][  T510] PKRU: 55555554
[   43.283094][  T510] Call Trace:
[   43.283310][  T510]  <TASK>
[ 43.283454][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.283735][ T510] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.284006][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.284288][ T510] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.284575][ T510] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.284851][ T510] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.285127][ T510] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.285418][ T510] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.285766][ T510] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.286045][ T510] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.286341][ T510] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.286619][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.286898][ T510] ? __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) 
[ 43.287173][ T510] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.287525][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.287803][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.288077][ T510] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.288370][ T510] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.288645][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.288918][ T510] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.289190][ T510] ? __create_object (mm/kmemleak.c:771) 
[ 43.289480][ T510] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.289756][ T510] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.290029][ T510] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.290384][ T510] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.290664][ T510] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.290941][ T510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.291218][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.291506][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.291781][ T510] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.292051][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.292348][ T510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.292628][ T510] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.292903][ T510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.293181][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.293466][ T510] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.293740][ T510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.294015][ T510] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.294315][ T510] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.294595][ T510] ? 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) 
[ 43.294873][ T510] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.295154][ T510] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.295452][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.295732][ T510] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.296010][ T510] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.296294][ T510] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.296595][ T510] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.296881][ T510] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.297154][ T510] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.297517][ T510] ___sys_sendmsg (net/socket.c:2670) 
[ 43.297789][ T510] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.298062][ T510] ? __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) 
[ 43.298412][ T510] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.298703][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.298980][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.299259][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.299544][ T510] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.299818][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.300099][ T510] __sys_sendmsg (net/socket.c:2700) 
[ 43.300381][ T510] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.300720][ T510] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.301012][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.301287][ T510] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.301570][ T510] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.301911][  T510] RIP: 0033:0x7f6d1b65a1e7
[ 43.302193][ T510] 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)
[   43.303181][  T510] RSP: 002b:00007ffd80b2c638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.303605][  T510] RAX: ffffffffffffffda RBX: 00007ffd80b2cd60 RCX: 00007f6d1b65a1e7
[   43.304017][  T510] RDX: 0000000000000000 RSI: 00007ffd80b2c6a0 RDI: 0000000000000005
[   43.304434][  T510] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.304847][  T510] R10: 00007f6d1b557ee8 R11: 0000000000000246 R12: 0000000000000004
[   43.305255][  T510] R13: 00000000686e4929 R14: 0000000000499600 R15: 0000000000000000
| [   43.418923][  T511] ------------[ cut here ]------------
| [ 43.419235][ T511] WARNING: CPU: 3 PID: 511 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) 
| [   43.421021][  T511] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.422183][  T511] Tainted: [W]=WARN
[   43.422398][  T511] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.422740][ T511] 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) 
[ 43.423023][ T511] 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
[   43.424015][  T511] RSP: 0018:ffffc90000697140 EFLAGS: 00010246
[   43.424377][  T511] RAX: 0000000000000000 RBX: ffff888009484000 RCX: 0000000000000001
[   43.424788][  T511] RDX: 0000000000000000 RSI: ffffffff9a49b941 RDI: ffffffff99c555e0
[   43.425194][  T511] RBP: ffffc90000697230 R08: ffff888008b78800 R09: 0000000000000000
[   43.425617][  T511] R10: ffffc900006975c8 R11: ffffffff9b250668 R12: 1ffff920000d2e2c
[   43.426026][  T511] R13: 00000000000007d0 R14: ffffc90000697880 R15: ffff8880050d8e60
[   43.426456][  T511] FS:  00007f947dfbd800(0000) GS:ffff888093037000(0000) knlGS:0000000000000000
[   43.426936][  T511] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.427285][  T511] CR2: 00000000004e5ab8 CR3: 0000000005304005 CR4: 0000000000772ef0
[   43.427704][  T511] PKRU: 55555554
[   43.427909][  T511] Call Trace:
[   43.428113][  T511]  <TASK>
[ 43.428252][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.428540][ T511] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.428813][ T511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.429092][ T511] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.429382][ T511] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.429657][ T511] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.429933][ T511] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.430213][ T511] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.430567][ T511] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.430837][ T511] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.431115][ T511] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.431400][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.431676][ T511] ? __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) 
[ 43.431949][ T511] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.432287][ T511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.432571][ T511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.432844][ T511] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.433121][ T511] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.433404][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.433679][ T511] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.433950][ T511] ? __create_object (mm/kmemleak.c:771) 
[ 43.434226][ T511] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.434514][ T511] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.434787][ T511] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.435126][ T511] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.435423][ T511] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.435702][ T511] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.435975][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.436253][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.436551][ T511] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.436824][ T511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.437101][ T511] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.437382][ T511] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.437664][ T511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.437943][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.438221][ T511] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.438506][ T511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.438781][ T511] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.439066][ T511] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.439346][ T511] ? 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) 
[ 43.439630][ T511] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.439912][ T511] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.440185][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.440477][ T511] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.440755][ T511] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.441033][ T511] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.441323][ T511] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.441605][ T511] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.441880][ T511] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.442229][ T511] ___sys_sendmsg (net/socket.c:2670) 
[ 43.442510][ T511] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.442785][ T511] ? __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) 
[ 43.443125][ T511] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.443421][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.443706][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.443985][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.444259][ T511] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.444543][ T511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.444834][ T511] __sys_sendmsg (net/socket.c:2700) 
[ 43.445106][ T511] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.445454][ T511] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.445748][ T511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.446023][ T511] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.446329][ T511] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.446669][  T511] RIP: 0033:0x7f947e18a1e7
[ 43.446951][ T511] 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)
[   43.447938][  T511] RSP: 002b:00007ffecdad1a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.448360][  T511] RAX: ffffffffffffffda RBX: 00007ffecdad21b0 RCX: 00007f947e18a1e7
[   43.448770][  T511] RDX: 0000000000000000 RSI: 00007ffecdad1af0 RDI: 0000000000000005
[   43.449176][  T511] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.449603][  T511] R10: 00007f947e087ee8 R11: 0000000000000246 R12: 0000000000000004
[   43.450012][  T511] R13: 00000000686e4929 R14: 0000000000499600 R15: 0000000000000000
| [   43.581286][  T512] ------------[ cut here ]------------
| [ 43.581619][ T512] WARNING: CPU: 0 PID: 512 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) 
| [   43.582165][  T512] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.583865][  T512] Tainted: [W]=WARN
[   43.584081][  T512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.584446][ T512] 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) 
[ 43.584736][ T512] 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
[   43.585725][  T512] RSP: 0018:ffffc90000697140 EFLAGS: 00010246
[   43.586073][  T512] RAX: 0000000000000000 RBX: ffff888005fb4000 RCX: 0000000000000001
[   43.586510][  T512] RDX: 0000000000000000 RSI: ffffffff9a49b941 RDI: ffffffff99c555e0
[   43.586926][  T512] RBP: ffffc90000697230 R08: ffff88800a176800 R09: 0000000000000000
[   43.587346][  T512] R10: ffffc900006975c8 R11: ffffffff9b250668 R12: 1ffff920000d2e2c
[   43.587761][  T512] R13: 00000000000007d0 R14: ffffc90000697880 R15: ffff8880050d8760
[   43.588178][  T512] FS:  00007f81f7dda800(0000) GS:ffff888092eb7000(0000) knlGS:0000000000000000
[   43.588671][  T512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.589019][  T512] CR2: 00000000004e59c0 CR3: 000000000bbf9001 CR4: 0000000000772ef0
[   43.589442][  T512] PKRU: 55555554
[   43.589649][  T512] Call Trace:
[   43.589855][  T512]  <TASK>
[ 43.589997][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.590278][ T512] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.590564][ T512] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.590841][ T512] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.591117][ T512] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.591398][ T512] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.591677][ T512] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.591963][ T512] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.592329][ T512] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.592604][ T512] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.592876][ T512] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.593153][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.593450][ T512] ? __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) 
[ 43.593727][ T512] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.594071][ T512] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.594360][ T512] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.594634][ T512] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.594907][ T512] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.595180][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.595468][ T512] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.595739][ T512] ? __create_object (mm/kmemleak.c:771) 
[ 43.596020][ T512] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.596318][ T512] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.596594][ T512] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.596933][ T512] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.597214][ T512] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.597505][ T512] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.597781][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.598062][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.598362][ T512] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.598635][ T512] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.598910][ T512] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.599184][ T512] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.599469][ T512] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.599750][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.600030][ T512] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.600318][ T512] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.600598][ T512] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.600882][ T512] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.601156][ T512] ? 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) 
[ 43.601442][ T512] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.601720][ T512] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.601994][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.602277][ T512] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.602562][ T512] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.602836][ T512] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.603119][ T512] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.603402][ T512] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.603673][ T512] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.604024][ T512] ___sys_sendmsg (net/socket.c:2670) 
[ 43.604295][ T512] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.604587][ T512] ? __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) 
[ 43.604928][ T512] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.605205][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.605497][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.605777][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.606051][ T512] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.606363][ T512] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.606651][ T512] __sys_sendmsg (net/socket.c:2700) 
[ 43.606922][ T512] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.607263][ T512] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.607557][ T512] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.607835][ T512] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.608109][ T512] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.608457][  T512] RIP: 0033:0x7f81f7fa71e7
[ 43.608749][ T512] 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)
[   43.609731][  T512] RSP: 002b:00007fff02d31cf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.610150][  T512] RAX: ffffffffffffffda RBX: 00007fff02d32420 RCX: 00007f81f7fa71e7
[   43.610578][  T512] RDX: 0000000000000000 RSI: 00007fff02d31d60 RDI: 0000000000000005
[   43.610989][  T512] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.611405][  T512] R10: 00007f81f7ea4ee8 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast