======================================
| [   24.038881][  T273] veth0: entered promiscuous mode
| [   24.041933][  T273] ------------[ cut here ]------------
| [ 24.042302][ T273] WARNING: CPU: 2 PID: 273 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.043075][  T273] Modules linked in: bridge stp llc veth
[   24.044086][  T273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.044498][ T273] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.044841][ T273] Code: 00 00 8b 05 67 1b 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 aa d0 79 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 67 1b 38 02    	mov    0x2381b67(%rip),%eax        # 0x2381b6f
   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 aa d0 79 00       	call   0x79d0cb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.045993][  T273] RSP: 0018:ffffc90000536ef0 EFLAGS: 00010246
[   24.046410][  T273] RAX: 0000000000000000 RBX: ffff888005142000 RCX: 0000000000000001
[   24.046894][  T273] RDX: 0000000000000000 RSI: ffffffffad69f52e RDI: fffffffface5a5a0
[   24.047396][  T273] RBP: ffffc90000536fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.047883][  T273] R10: ffffc90000537010 R11: ffffffffadb798a0 R12: 1ffff920000a6de2
[   24.048448][  T273] R13: 00000000000005dc R14: ffffc90000537010 R15: ffff888005142f08
[   24.048952][  T273] FS:  00007f1f84f49800(0000) GS:ffff888086ba7000(0000) knlGS:0000000000000000
[   24.051092][  T273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.051692][  T273] CR2: 00000000004e5aa0 CR3: 000000000a1c1001 CR4: 0000000000772ef0
[   24.052224][  T273] PKRU: 55555554
[   24.052483][  T273] Call Trace:
[   24.052776][  T273]  <TASK>
[ 24.052960][ T273] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.053322][ T273] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.053656][ T273] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.053996][ T273] netif_set_mtu (net/core/dev.c:9652) 
[ 24.054340][ T273] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.054682][ T273] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.054930][ T273] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.055390][ T273] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.055760][ T273] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 24.056117][ T273] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.056456][ T273] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.056867][ T273] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.057205][ T273] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.057530][ T273] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.057863][ T273] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.058203][ T273] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 24.058592][ T273] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.059022][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.059360][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.059703][ T273] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.060054][ T273] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.060388][ T273] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.060713][ T273] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.061051][ T273] ? __create_object (mm/kmemleak.c:771) 
[ 24.061385][ T273] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.061716][ T273] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.062059][ T273] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.062464][ T273] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.062798][ T273] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.063138][ T273] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.063464][ T273] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.063794][ T273] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.064145][ T273] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.064477][ T273] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.064805][ T273] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.065139][ T273] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.065466][ T273] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.065812][ T273] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.066151][ T273] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.066476][ T273] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.066808][ T273] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.067158][ T273] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.067481][ T273] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.067818][ T273] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 24.068172][ T273] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.068564][ T273] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.068893][ T273] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.069239][ T273] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.069572][ T273] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 24.069902][ T273] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.070258][ T273] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.070585][ T273] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.071005][ T273] ___sys_sendmsg (net/socket.c:2670) 
[ 24.071329][ T273] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.071657][ T273] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.072085][ T273] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.072431][ T273] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.072757][ T273] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.073099][ T273] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.073422][ T273] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.073745][ T273] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.074087][ T273] __sys_sendmsg (net/socket.c:2700) 
[ 24.074426][ T273] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.074824][ T273] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.075178][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.075503][ T273] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.075834][ T273] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.076528][  T273] RIP: 0033:0x7f1f851161e7
[ 24.076988][ T273] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.078431][  T273] RSP: 002b:00007ffc198189e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.078935][  T273] RAX: ffffffffffffffda RBX: 00007ffc19819120 RCX: 00007f1f851161e7
[   24.079689][  T273] RDX: 0000000000000000 RSI: 00007ffc19818a50 RDI: 0000000000000005
[   24.080215][  T273] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   24.080715][  T273] R10: 0000000003a70910 R11: 0000000000000246 R12: 0000000000000003
[   24.081436][  T273] R13: 00000000686e7c05 R14: 0000000000499600 R15: 0000000000000000
| [   24.226023][  T274] ------------[ cut here ]------------
| [ 24.226368][ T274] WARNING: CPU: 2 PID: 274 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.227009][  T274] Modules linked in: bridge stp llc veth
| [   24.228012][  T274] Tainted: [W]=WARN
[   24.228270][  T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.228744][ T274] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.229102][ T274] Code: 00 00 8b 05 67 1b 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 aa d0 79 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 67 1b 38 02    	mov    0x2381b67(%rip),%eax        # 0x2381b6f
   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 aa d0 79 00       	call   0x79d0cb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.231663][  T274] RSP: 0018:ffffc90000b96ef0 EFLAGS: 00010246
[   24.232112][  T274] RAX: 0000000000000000 RBX: ffff888005142000 RCX: 0000000000000001
[   24.232617][  T274] RDX: 0000000000000000 RSI: ffffffffad69f52e RDI: fffffffface5a5a0
[   24.233116][  T274] RBP: ffffc90000b96fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.233609][  T274] R10: ffffc90000b97010 R11: ffffffffadb798a0 R12: 1ffff92000172de2
[   24.234120][  T274] R13: 00000000000005dc R14: ffffc90000b97010 R15: ffff888005142f08
[   24.234608][  T274] FS:  00007ffa80afd800(0000) GS:ffff888086ba7000(0000) knlGS:0000000000000000
[   24.235178][  T274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.235584][  T274] CR2: 00000000004e5aa8 CR3: 00000000055ad002 CR4: 0000000000772ef0
[   24.236081][  T274] PKRU: 55555554
[   24.236331][  T274] Call Trace:
[   24.236578][  T274]  <TASK>
[ 24.236753][ T274] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.237093][ T274] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.237428][ T274] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.237758][ T274] netif_set_mtu (net/core/dev.c:9652) 
[ 24.238111][ T274] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.238538][ T274] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.238798][ T274] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.239279][ T274] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.239668][ T274] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 24.240019][ T274] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.240372][ T274] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.240788][ T274] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.241139][ T274] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.241473][ T274] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.241812][ T274] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.242172][ T274] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 24.242516][ T274] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.242914][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.243253][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.243583][ T274] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.243909][ T274] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.244244][ T274] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.244569][ T274] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.244891][ T274] ? __create_object (mm/kmemleak.c:771) 
[ 24.245226][ T274] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.245550][ T274] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.245874][ T274] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.246300][ T274] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.246637][ T274] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.246966][ T274] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.247304][ T274] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.247637][ T274] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.247962][ T274] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.248295][ T274] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.248682][ T274] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.249028][ T274] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.249364][ T274] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.249710][ T274] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.250065][ T274] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.250400][ T274] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.250727][ T274] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.251077][ T274] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.251406][ T274] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.251733][ T274] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 24.252069][ T274] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.252402][ T274] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.252729][ T274] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.253064][ T274] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.253390][ T274] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 24.253726][ T274] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.254073][ T274] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.254408][ T274] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.254821][ T274] ___sys_sendmsg (net/socket.c:2670) 
[ 24.255156][ T274] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.255478][ T274] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.255878][ T274] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.256227][ T274] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.256556][ T274] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.256886][ T274] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.257219][ T274] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.257540][ T274] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.257875][ T274] __sys_sendmsg (net/socket.c:2700) 
[ 24.258216][ T274] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.258660][ T274] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.259011][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.259342][ T274] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.259668][ T274] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.260083][  T274] RIP: 0033:0x7ffa80cca1e7
[ 24.260418][ T274] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.261554][  T274] RSP: 002b:00007fff2b4cc4b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.262055][  T274] RAX: ffffffffffffffda RBX: 00007fff2b4ccbf0 RCX: 00007ffa80cca1e7
[   24.262536][  T274] RDX: 0000000000000000 RSI: 00007fff2b4cc520 RDI: 0000000000000005
[   24.263031][  T274] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   24.263513][  T274] R10: 000000002c70d910 R11: 0000000000000246 R12: 0000000000000003


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