======================================
| [  455.522036][ T1517] br0: port 1(veth1) entered forwarding state
| [  455.523479][ T1517] ------------[ cut here ]------------
| [ 455.523898][ T1517] WARNING: CPU: 1 PID: 1517 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) 
| [  455.524536][ T1517] Modules linked in: bridge stp llc 8021q vrf veth
[  455.525594][ T1517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 455.526007][ T1517] 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) 
[ 455.526336][ T1517] 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
[  455.527483][ T1517] RSP: 0018:ffffc900008a6ef0 EFLAGS: 00010246
[  455.529739][ T1517] RAX: 0000000000000000 RBX: ffff88800e012000 RCX: 0000000000000001
[  455.530518][ T1517] RDX: 0000000000000000 RSI: ffffffff9749b941 RDI: ffffffff96c555e0
[  455.531286][ T1517] RBP: ffffc900008a6fe0 R08: 0000000000000000 R09: 0000000000000000
[  455.532061][ T1517] R10: ffffc900008a7010 R11: ffffffff982a8918 R12: 1ffff92000114de2
[  455.532862][ T1517] R13: 00000000000005dc R14: ffffc900008a7010 R15: ffff88800e012f08
[  455.533620][ T1517] FS:  00007f0cafb14800(0000) GS:ffff88809cd37000(0000) knlGS:0000000000000000
[  455.534528][ T1517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  455.535267][ T1517] CR2: 00000000004e5aa8 CR3: 00000000101b0001 CR4: 0000000000772ef0
[  455.536054][ T1517] PKRU: 55555554
[  455.536442][ T1517] Call Trace:
[  455.536842][ T1517]  <TASK>
[ 455.537104][ T1517] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 455.537635][ T1517] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 455.538185][ T1517] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 455.538702][ T1517] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 455.539387][ T1517] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 455.539926][ T1517] netif_set_mtu (net/core/dev.c:9652) 
[ 455.540446][ T1517] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 455.540996][ T1517] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 455.541707][ T1517] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 455.542116][ T1517] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 455.542848][ T1517] br_add_if (net/bridge/br_if.c:697) bridge 
[ 455.543710][ T1517] do_set_master (net/core/rtnetlink.c:2948) 
[ 455.544256][ T1517] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 455.544800][ T1517] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 455.545449][ T1517] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 455.545942][ T1517] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 455.546444][ T1517] ? trace_sched_exit_tp (./include/trace/events/sched.h:888 (discriminator 21)) 
[ 455.546990][ T1517] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.547497][ T1517] ? __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) 
[ 455.548008][ T1517] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 455.548646][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 455.549172][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 455.549677][ T1517] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 455.550199][ T1517] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 455.550710][ T1517] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) 
[ 455.551274][ T1517] ? preempt_schedule_common (./arch/x86/include/asm/preempt.h:85 kernel/sched/core.c:6967) 
[ 455.551806][ T1517] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 455.552324][ T1517] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 455.552863][ T1517] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 455.553378][ T1517] ? _raw_spin_unlock_irqrestore (kernel/locking/spinlock.c:195) 
[ 455.554025][ T1517] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 455.554550][ T1517] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 455.555108][ T1517] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 455.555619][ T1517] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.556153][ T1517] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 455.556664][ T1517] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 455.557152][ T1517] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 455.557656][ T1517] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 455.558178][ T1517] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 455.558696][ T1517] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 455.559244][ T1517] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.559790][ T1517] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 455.560305][ T1517] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 455.560840][ T1517] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 455.561380][ T1517] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 455.561909][ T1517] ? 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) 
[ 455.562432][ T1517] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 455.563015][ T1517] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 455.563541][ T1517] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.564099][ T1517] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 455.564632][ T1517] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 455.565159][ T1517] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 455.565637][ T1517] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 455.566144][ T1517] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 455.566636][ T1517] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 455.567288][ T1517] ___sys_sendmsg (net/socket.c:2670) 
[ 455.567787][ T1517] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 455.568285][ T1517] ? __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) 
[ 455.568893][ T1517] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 455.569296][ T1517] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 455.569792][ T1517] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 455.570297][ T1517] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.570827][ T1517] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 455.571320][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 455.571819][ T1517] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 455.572321][ T1517] __sys_sendmsg (net/socket.c:2700) 
[ 455.572827][ T1517] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 455.573437][ T1517] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 455.573969][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 455.574461][ T1517] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 455.574982][ T1517] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  455.575591][ T1517] RIP: 0033:0x7f0cafce11e7
[ 455.576124][ T1517] 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)
[  455.577922][ T1517] RSP: 002b:00007ffd24888678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  455.578673][ T1517] RAX: ffffffffffffffda RBX: 00007ffd24888da0 RCX: 00007f0cafce11e7
[  455.579441][ T1517] RDX: 0000000000000000 RSI: 00007ffd248886e0 RDI: 0000000000000005
[  455.580200][ T1517] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  455.580958][ T1517] R10: 000000000def8910 R11: 0000000000000246 R12: 0000000000000003
[  455.581700][ T1517] R13: 00000000686e360a R14: 0000000000499600 R15: 0000000000000000
| [  455.774023][ T1518] ------------[ cut here ]------------
| [ 455.774556][ T1518] WARNING: CPU: 1 PID: 1518 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) 
| [  455.775599][ T1518] Modules linked in: bridge stp llc 8021q vrf veth
| [  455.777400][ T1518] Tainted: [W]=WARN
[  455.777835][ T1518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 455.778486][ T1518] 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) 
[ 455.779200][ T1518] 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
[  455.781095][ T1518] RSP: 0018:ffffc90002616ef0 EFLAGS: 00010246
[  455.781738][ T1518] RAX: 0000000000000000 RBX: ffff88800ba9a000 RCX: 0000000000000001
[  455.782525][ T1518] RDX: 0000000000000000 RSI: ffffffff9749b941 RDI: ffffffff96c555e0
[  455.783340][ T1518] RBP: ffffc90002616fe0 R08: 0000000000000000 R09: 0000000000000000
[  455.784138][ T1518] R10: ffffc90002617010 R11: ffffffff982a8918 R12: 1ffff920004c2de2
[  455.784931][ T1518] R13: 00000000000005dc R14: ffffc90002617010 R15: ffff88800ba9af08
[  455.785720][ T1518] FS:  00007f74ecc9d800(0000) GS:ffff88809cd37000(0000) knlGS:0000000000000000
[  455.786630][ T1518] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  455.787266][ T1518] CR2: 00000000004e5ab8 CR3: 0000000010131003 CR4: 0000000000772ef0
[  455.788013][ T1518] PKRU: 55555554
[  455.788359][ T1518] Call Trace:
[  455.788713][ T1518]  <TASK>
[ 455.788978][ T1518] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 455.789481][ T1518] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 455.790032][ T1518] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 455.790531][ T1518] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 455.791157][ T1518] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 455.791650][ T1518] netif_set_mtu (net/core/dev.c:9652) 
[ 455.792162][ T1518] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 455.792672][ T1518] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 455.793364][ T1518] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 455.793630][ T1518] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 455.794303][ T1518] br_add_if (net/bridge/br_if.c:697) bridge 
[ 455.794863][ T1518] do_set_master (net/core/rtnetlink.c:2948) 
[ 455.795334][ T1518] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 455.795805][ T1518] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 455.796370][ T1518] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 455.796833][ T1518] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 455.797273][ T1518] ? __kernel_text_address (kernel/extable.c:79) 
[ 455.797720][ T1518] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.798197][ T1518] ? __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) 
[ 455.798648][ T1518] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 455.799211][ T1518] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 455.799666][ T1518] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 455.800133][ T1518] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 455.800572][ T1518] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 455.801025][ T1518] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 455.801484][ T1518] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 455.801947][ T1518] ? __create_object (mm/kmemleak.c:771) 
[ 455.802393][ T1518] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 455.802862][ T1518] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 455.803309][ T1518] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 455.803899][ T1518] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 455.804353][ T1518] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 455.804831][ T1518] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 455.805285][ T1518] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.805738][ T1518] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 455.806226][ T1518] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 455.806678][ T1518] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 455.807162][ T1518] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 455.807611][ T1518] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 455.808073][ T1518] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 455.808533][ T1518] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.809011][ T1518] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 455.809456][ T1518] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 455.809927][ T1518] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 455.810386][ T1518] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 455.810843][ T1518] ? 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) 
[ 455.811298][ T1518] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 455.811771][ T1518] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 455.812214][ T1518] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.812668][ T1518] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 455.813151][ T1518] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 455.813595][ T1518] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 455.814079][ T1518] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 455.814460][ T1518] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 455.814923][ T1518] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 455.815507][ T1518] ___sys_sendmsg (net/socket.c:2670) 
[ 455.815966][ T1518] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 455.816413][ T1518] ? __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) 
[ 455.816981][ T1518] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 455.817448][ T1518] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 455.817935][ T1518] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 455.818454][ T1518] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 455.818994][ T1518] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 455.819519][ T1518] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 455.820069][ T1518] __sys_sendmsg (net/socket.c:2700) 
[ 455.820591][ T1518] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 455.821260][ T1518] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 455.821851][ T1518] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 455.822381][ T1518] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 455.822929][ T1518] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  455.823582][ T1518] RIP: 0033:0x7f74ece6a1e7
[ 455.824137][ T1518] 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)
[  455.826020][ T1518] RSP: 002b:00007ffec44895f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  455.826795][ T1518] RAX: ffffffffffffffda RBX: 00007ffec4489d20 RCX: 00007f74ece6a1e7
[  455.827543][ T1518] RDX: 0000000000000000 RSI: 00007ffec4489660 RDI: 0000000000000005
[  455.828344][ T1518] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  455.829150][ T1518] R10: 000000000d368910 R11: 0000000000000246 R12: 0000000000000003


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