======================================
| [   20.378821][  T314] veth1: entered promiscuous mode
| [   20.380032][  T314] ------------[ cut here ]------------
| [ 20.380370][ T314] WARNING: CPU: 3 PID: 314 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) 
| [   20.381010][  T314] Modules linked in: bridge stp llc 8021q vrf veth
[   20.382085][  T314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.382492][ T314] 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) 
[ 20.382828][ T314] 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
[   20.383978][  T314] RSP: 0018:ffffc900005f6ef0 EFLAGS: 00010246
[   20.384396][  T314] RAX: 0000000000000000 RBX: ffff888005162000 RCX: 0000000000000001
[   20.384880][  T314] RDX: 0000000000000000 RSI: ffffffff9bc9b941 RDI: ffffffff9b4555e0
[   20.385375][  T314] RBP: ffffc900005f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.385851][  T314] R10: ffffc900005f7010 R11: ffffffff9caa8918 R12: 1ffff920000bede2
[   20.386337][  T314] R13: 00000000000005dc R14: ffffc900005f7010 R15: ffff888005162f08
[   20.386816][  T314] FS:  00007f8263035800(0000) GS:ffff888098637000(0000) knlGS:0000000000000000
[   20.387586][  T314] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.388004][  T314] CR2: 00000000004e5aa8 CR3: 00000000091d9005 CR4: 0000000000772ef0
[   20.388514][  T314] PKRU: 55555554
[   20.388760][  T314] Call Trace:
[   20.389002][  T314]  <TASK>
[ 20.389177][ T314] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.389513][ T314] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.389844][ T314] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.390165][ T314] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.390574][ T314] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.390899][ T314] netif_set_mtu (net/core/dev.c:9652) 
[ 20.391234][ T314] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.391561][ T314] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.392009][ T314] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.392282][ T314] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.392720][ T314] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.393086][ T314] do_set_master (net/core/rtnetlink.c:2948) 
[ 20.393420][ T314] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.393744][ T314] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.394143][ T314] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.394476][ T314] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.394795][ T314] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.395116][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.395448][ T314] ? __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) 
[ 20.395768][ T314] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.396167][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.396498][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.396825][ T314] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.397157][ T314] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.397488][ T314] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.397813][ T314] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.398131][ T314] ? __create_object (mm/kmemleak.c:771) 
[ 20.398463][ T314] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.398788][ T314] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.399107][ T314] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.399519][ T314] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.399846][ T314] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.400170][ T314] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.400496][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.400824][ T314] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.401143][ T314] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.401471][ T314] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.401796][ T314] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.402119][ T314] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.402452][ T314] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.402778][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.403106][ T314] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.403441][ T314] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.403768][ T314] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.404099][ T314] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.404433][ T314] ? 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) 
[ 20.404759][ T314] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.405084][ T314] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.405413][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.405744][ T314] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.406071][ T314] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.406401][ T314] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.406737][ T314] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.407071][ T314] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.407411][ T314] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.407823][ T314] ___sys_sendmsg (net/socket.c:2670) 
[ 20.408144][ T314] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.408473][ T314] ? __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) 
[ 20.408875][ T314] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.409213][ T314] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.409540][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.409865][ T314] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.410199][ T314] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.410523][ T314] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.410851][ T314] __sys_sendmsg (net/socket.c:2700) 
[ 20.411172][ T314] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.411586][ T314] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.411919][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.412251][ T314] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.412574][ T314] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.412967][  T314] RIP: 0033:0x7f82632021e7
[ 20.413311][ T314] 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)
[   20.414468][  T314] RSP: 002b:00007ffd333fd018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.414956][  T314] RAX: ffffffffffffffda RBX: 00007ffd333fd740 RCX: 00007f82632021e7
[   20.415448][  T314] RDX: 0000000000000000 RSI: 00007ffd333fd080 RDI: 0000000000000005
[   20.415928][  T314] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.416420][  T314] R10: 0000000039ad2910 R11: 0000000000000246 R12: 0000000000000004
[   20.416905][  T314] R13: 00000000686e22ca R14: 0000000000499600 R15: 0000000000000000
| [   35.519345][  T415] ------------[ cut here ]------------
| [ 35.519833][ T415] WARNING: CPU: 0 PID: 415 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.520950][  T415] Modules linked in: bridge stp llc 8021q vrf veth
| [   35.523390][  T415] Tainted: [W]=WARN
[   35.523811][  T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.524439][ T415] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.524777][ T415] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.526087][  T415] RSP: 0018:ffffc90000ad6f70 EFLAGS: 00010246
[   35.526654][  T415] RAX: 0000000000000000 RBX: ffff888005162000 RCX: 0000000000000001
[   35.527285][  T415] RDX: 0000000000000000 RSI: ffffffff9bc9b941 RDI: ffffffff9b4555e0
[   35.528028][  T415] RBP: ffffc90000ad7058 R08: 0000000000000000 R09: 0000000000000000
[   35.528665][  T415] R10: ffffc90000ad7088 R11: ffffffff98000130 R12: 1ffff9200015adf2
[   35.529274][  T415] R13: 00000000000005dc R14: ffffc90000ad7088 R15: ffff888005162f08
[   35.529865][  T415] FS:  00007f8de9c9d800(0000) GS:ffff8880984b7000(0000) knlGS:0000000000000000
[   35.530516][  T415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.531023][  T415] CR2: 00000000004e5aa8 CR3: 000000000cc2f003 CR4: 0000000000772ef0
[   35.531597][  T415] PKRU: 55555554
[   35.531848][  T415] Call Trace:
[   35.532078][  T415]  <TASK>
[ 35.532328][ T415] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.532861][ T415] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 35.533320][ T415] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 35.533699][ T415] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.534107][ T415] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.534474][ T415] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.534808][ T415] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.535217][ T415] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.535662][ T415] ? ___sys_sendmsg (net/socket.c:2670) 
[ 35.536265][ T415] ? __sys_sendmsg (net/socket.c:2700) 
[ 35.536649][ T415] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.537046][ T415] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 35.537554][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.537949][ T415] netif_set_mtu (net/core/dev.c:9652) 
[ 35.538366][ T415] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.538830][ T415] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.539142][ T415] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.539694][ T415] br_del_if (net/bridge/br_if.c:743) bridge 
[ 35.540059][ T415] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 35.540393][ T415] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 35.540756][ T415] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.541159][ T415] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.541637][ T415] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.541971][ T415] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.542400][ T415] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.542813][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.543222][ T415] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.543558][ T415] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.544096][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.544418][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.544743][ T415] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.545050][ T415] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.545374][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.545700][ T415] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.546011][ T415] ? __create_object (mm/kmemleak.c:771) 
[ 35.546330][ T415] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.546657][ T415] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.546961][ T415] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.547372][ T415] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.547695][ T415] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.548005][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.548326][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.548657][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.548976][ T415] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.549302][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.549631][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.549957][ T415] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.550288][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.550632][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.551048][ T415] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.551462][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.552005][ T415] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.552431][ T415] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.552778][ T415] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.553214][ T415] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.553617][ T415] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.553959][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.554394][ T415] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.554877][ T415] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.555249][ T415] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.555600][ T415] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.555930][ T415] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.556250][ T415] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.556711][ T415] ___sys_sendmsg (net/socket.c:2670) 
[ 35.557061][ T415] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.557393][ T415] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.557797][ T415] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.558120][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.558484][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.558833][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.559153][ T415] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.559481][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.560044][ T415] __sys_sendmsg (net/socket.c:2700) 
[ 35.560374][ T415] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.560794][ T415] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.561127][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.561459][ T415] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.561787][ T415] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.562232][  T415] RIP: 0033:0x7f8de9e6a1e7
[ 35.562592][ T415] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.563987][  T415] RSP: 002b:00007ffebeebd8a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.564656][  T415] RAX: ffffffffffffffda RBX: 00007ffebeebdfd0 RCX: 00007f8de9e6a1e7
[   35.565297][  T415] RDX: 0000000000000000 RSI: 00007ffebeebd910 RDI: 0000000000000005
[   35.565916][  T415] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   35.566443][  T415] R10: 00007f8de9d67ee8 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