======================================
| [   20.201695][  T317] veth1: entered promiscuous mode
| [   20.203093][  T317] ------------[ cut here ]------------
| [ 20.203416][ T317] WARNING: CPU: 0 PID: 317 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) 
| [   20.204048][  T317] Modules linked in: bridge stp llc 8021q vrf veth
[   20.205160][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.205552][ T317] 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) 
[ 20.205894][ T317] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.207004][  T317] RSP: 0018:ffffc90000be6ef0 EFLAGS: 00010246
[   20.207396][  T317] RAX: 0000000000000000 RBX: ffff888008d8a000 RCX: 0000000000000001
[   20.207865][  T317] RDX: 0000000000000000 RSI: ffffffffaf29b939 RDI: ffffffffaea555e0
[   20.208329][  T317] RBP: ffffc90000be6fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.208790][  T317] R10: ffffc90000be7010 R11: ffffffffb00a8918 R12: 1ffff9200017cde2
[   20.209259][  T317] R13: 00000000000005dc R14: ffffc90000be7010 R15: ffff888008d8af08
[   20.209720][  T317] FS:  00007f927f1ea800(0000) GS:ffff888084eb7000(0000) knlGS:0000000000000000
[   20.210269][  T317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.210660][  T317] CR2: 00000000004e5aa8 CR3: 000000000b8d0001 CR4: 0000000000772ef0
[   20.211137][  T317] PKRU: 55555554
[   20.211664][  T317] Call Trace:
[   20.211908][  T317]  <TASK>
[ 20.212071][ T317] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.212387][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.212703][ T317] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.213019][ T317] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.213404][ T317] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.213711][ T317] netif_set_mtu (net/core/dev.c:9652) 
[ 20.214026][ T317] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.214346][ T317] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.214780][ T317] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.215021][ T317] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.215441][ T317] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.215791][ T317] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 20.216112][ T317] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.216425][ T317] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.216830][ T317] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.217154][ T317] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.217457][ T317] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.217765][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.218083][ T317] ? __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) 
[ 20.218389][ T317] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.218770][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.219105][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.219418][ T317] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.219726][ T317] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.220043][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.220347][ T317] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.220649][ T317] ? __create_object (mm/kmemleak.c:771) 
[ 20.220968][ T317] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.221287][ T317] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.221593][ T317] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.221988][ T317] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.222301][ T317] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.222609][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.222924][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.223234][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.223568][ T317] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.223881][ T317] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.224199][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.224501][ T317] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.224807][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.225130][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.225439][ T317] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.225746][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.226063][ T317] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.226388][ T317] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.226718][ T317] ? 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) 
[ 20.227033][ T317] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.227342][ T317] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.227644][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.227965][ T317] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.228275][ T317] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.228582][ T317] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.228909][ T317] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.229219][ T317] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.229523][ T317] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.229924][ T317] ___sys_sendmsg (net/socket.c:2670) 
[ 20.230224][ T317] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.230529][ T317] ? __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) 
[ 20.230916][ T317] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.231239][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.231550][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.231868][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.232174][ T317] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.232478][ T317] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.232789][ T317] __sys_sendmsg (net/socket.c:2700) 
[ 20.233100][ T317] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.233481][ T317] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.233809][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.234123][ T317] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.234429][ T317] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.234808][  T317] RIP: 0033:0x7f927f3b71e7
[ 20.235139][ T317] 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)
[   20.236243][  T317] RSP: 002b:00007ffd5099d408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.236709][  T317] RAX: ffffffffffffffda RBX: 00007ffd5099db30 RCX: 00007f927f3b71e7
[   20.237180][  T317] RDX: 0000000000000000 RSI: 00007ffd5099d470 RDI: 0000000000000005
[   20.237645][  T317] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.238116][  T317] R10: 0000000015a35910 R11: 0000000000000246 R12: 0000000000000004
[   20.238578][  T317] R13: 00000000686e761c R14: 0000000000499600 R15: 0000000000000000
| [   35.548569][  T418] ------------[ cut here ]------------
| [ 35.550053][ T418] WARNING: CPU: 1 PID: 418 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.550707][  T418] Modules linked in: bridge stp llc 8021q vrf veth
| [   35.551803][  T418] Tainted: [W]=WARN
[   35.552077][  T418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.552474][ T418] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.552805][ T418] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.553939][  T418] RSP: 0018:ffffc90000aa6f70 EFLAGS: 00010246
[   35.554335][  T418] RAX: 0000000000000000 RBX: ffff888008d8a000 RCX: 0000000000000001
[   35.554867][  T418] RDX: 0000000000000000 RSI: ffffffffaf29b939 RDI: ffffffffaea555e0
[   35.555327][  T418] RBP: ffffc90000aa7058 R08: 0000000000000000 R09: 0000000000000000
[   35.555786][  T418] R10: ffffc90000aa7088 R11: ffffffffab600130 R12: 1ffff92000154df2
[   35.556276][  T418] R13: 00000000000005dc R14: ffffc90000aa7088 R15: ffff888008d8af08
[   35.556745][  T418] FS:  00007fa2fae5d800(0000) GS:ffff888084f37000(0000) knlGS:0000000000000000
[   35.557305][  T418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.557714][  T418] CR2: 00000000004e5aa8 CR3: 000000000bb84005 CR4: 0000000000772ef0
[   35.558205][  T418] PKRU: 55555554
[   35.558447][  T418] Call Trace:
[   35.558679][  T418]  <TASK>
[ 35.558859][ T418] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.559263][ T418] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 35.559670][ T418] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 35.560036][ T418] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.560342][ T418] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.560646][ T418] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 35.560961][ T418] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.561271][ T418] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.561602][ T418] ? ___sys_sendmsg (net/socket.c:2670) 
[ 35.561935][ T418] ? __sys_sendmsg (net/socket.c:2700) 
[ 35.562239][ T418] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.562556][ T418] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 35.562971][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.563304][ T418] netif_set_mtu (net/core/dev.c:9652) 
[ 35.563625][ T418] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.563968][ T418] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.564208][ T418] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.564633][ T418] br_del_if (net/bridge/br_if.c:743) bridge 
[ 35.564981][ T418] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 35.565289][ T418] do_set_master (net/core/rtnetlink.c:2932) 
[ 35.565612][ T418] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.565933][ T418] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.566347][ T418] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.566679][ T418] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.567013][ T418] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.567356][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.567688][ T418] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.568042][ T418] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.568454][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.568777][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.569114][ T418] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.569436][ T418] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.569782][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.570116][ T418] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.570464][ T418] ? __create_object (mm/kmemleak.c:771) 
[ 35.570774][ T418] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.571095][ T418] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.571432][ T418] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.571816][ T418] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.572169][ T418] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.572497][ T418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.572800][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.573122][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.573440][ T418] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.573741][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.574060][ T418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.574377][ T418] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.574682][ T418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.575001][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.575310][ T418] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.575626][ T418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.575963][ T418] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.576297][ T418] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.576628][ T418] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.576946][ T418] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 35.577292][ T418] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.577612][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.577946][ T418] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.578286][ T418] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.578609][ T418] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.578966][ T418] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.579302][ T418] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.579622][ T418] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.580070][ T418] ___sys_sendmsg (net/socket.c:2670) 
[ 35.580399][ T418] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.580733][ T418] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.581144][ T418] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.581484][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.581822][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.582161][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.582495][ T418] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.582817][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.583153][ T418] __sys_sendmsg (net/socket.c:2700) 
[ 35.583471][ T418] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.583891][ T418] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.584227][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.584558][ T418] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.584895][ T418] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.585321][  T418] RIP: 0033:0x7fa2fb02a1e7
[ 35.585652][ T418] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.586830][  T418] RSP: 002b:00007fff96de3b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.587337][  T418] RAX: ffffffffffffffda RBX: 00007fff96de42c0 RCX: 00007fa2fb02a1e7
[   35.587817][  T418] RDX: 0000000000000000 RSI: 00007fff96de3c00 RDI: 0000000000000005
[   35.588326][  T418] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   35.588847][  T418] R10: 00007fa2faf27ee8 R11: 0000000000000246 R12: 0000000000000003


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