======================================
| [   22.627138][  T284] veth01: entered promiscuous mode
| [   22.630618][  T284] ------------[ cut here ]------------
| [ 22.630946][ T284] WARNING: CPU: 1 PID: 284 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) 
| [   22.631595][  T284] Modules linked in: bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
[   22.632797][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.633193][ T284] 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) 
[ 22.633545][ T284] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   22.634683][  T284] RSP: 0018:ffffc900006e6ef0 EFLAGS: 00010246
[   22.635078][  T284] RAX: 0000000000000000 RBX: ffff8880027ba000 RCX: 0000000000000001
[   22.635551][  T284] RDX: 0000000000000000 RSI: ffffffff84e9f52e RDI: ffffffff8465a5a0
[   22.636032][  T284] RBP: ffffc900006e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.636508][  T284] R10: ffffc900006e7010 R11: ffffffff853798a0 R12: 1ffff920000dcde2
[   22.636978][  T284] R13: 00000000000005dc R14: ffffc900006e7010 R15: ffff8880027baf08
[   22.637459][  T284] FS:  00007f2a09758800(0000) GS:ffff8880af327000(0000) knlGS:0000000000000000
[   22.638047][  T284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.638441][  T284] CR2: 00000000004e6888 CR3: 00000000093b9006 CR4: 0000000000772ef0
[   22.639340][  T284] PKRU: 55555554
[   22.639730][  T284] Call Trace:
[   22.639969][  T284]  <TASK>
[ 22.640135][ T284] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.640478][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.640802][ T284] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.641117][ T284] netif_set_mtu (net/core/dev.c:9652) 
[ 22.641438][ T284] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.641791][ T284] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.642037][ T284] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.642496][ T284] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.642855][ T284] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.643180][ T284] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.643509][ T284] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.643902][ T284] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.644216][ T284] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.644539][ T284] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.644857][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.645171][ T284] ? __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) 
[ 22.645513][ T284] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.645907][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.646222][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.646545][ T284] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.646857][ T284] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.647169][ T284] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.647495][ T284] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.647810][ T284] ? __create_object (mm/kmemleak.c:771) 
[ 22.648122][ T284] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.648435][ T284] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.648757][ T284] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.649144][ T284] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.649462][ T284] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.649798][ T284] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.650115][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.650437][ T284] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.650761][ T284] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.651069][ T284] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.651383][ T284] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.651702][ T284] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.652036][ T284] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.652353][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.652687][ T284] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.653005][ T284] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.653317][ T284] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.653653][ T284] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.653974][ T284] ? 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) 
[ 22.654286][ T284] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.654611][ T284] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.654940][ T284] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.655253][ T284] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.655579][ T284] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.655898][ T284] ? _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) 
[ 22.656218][ T284] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.656544][ T284] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.656858][ T284] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.657267][ T284] ___sys_sendmsg (net/socket.c:2670) 
[ 22.657590][ T284] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.657912][ T284] ? __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) 
[ 22.658305][ T284] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.658637][ T284] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.658951][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.659273][ T284] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.659602][ T284] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.659922][ T284] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.660246][ T284] __sys_sendmsg (net/socket.c:2700) 
[ 22.660574][ T284] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.660969][ T284] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.661295][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.661622][ T284] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.661966][ T284] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.662360][  T284] RIP: 0033:0x7f2a099251e7
[ 22.662705][ T284] 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)
[   22.663838][  T284] RSP: 002b:00007ffda96e3ab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.664318][  T284] RAX: ffffffffffffffda RBX: 00007ffda96e41e0 RCX: 00007f2a099251e7
[   22.664820][  T284] RDX: 0000000000000000 RSI: 00007ffda96e3b20 RDI: 0000000000000005
[   22.665293][  T284] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   22.665776][  T284] R10: 00000000050f2910 R11: 0000000000000246 R12: 0000000000000003
[   22.666264][  T284] R13: 00000000686e4c5f R14: 0000000000499600 R15: 0000000000000000
| [   22.947906][  T285] ------------[ cut here ]------------
| [ 22.948264][ T285] WARNING: CPU: 3 PID: 285 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) 
| [   22.949806][  T285] Modules linked in: bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   22.951070][  T285] Tainted: [W]=WARN
[   22.951342][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.951785][ T285] 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) 
[ 22.952130][ T285] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   22.953293][  T285] RSP: 0018:ffffc900006d6ef0 EFLAGS: 00010246
[   22.953719][  T285] RAX: 0000000000000000 RBX: ffff8880027ba000 RCX: 0000000000000001
[   22.954204][  T285] RDX: 0000000000000000 RSI: ffffffff84e9f52e RDI: ffffffff8465a5a0
[   22.954704][  T285] RBP: ffffc900006d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.955195][  T285] R10: ffffc900006d7010 R11: ffffffff853798a0 R12: 1ffff920000dade2
[   22.955702][  T285] R13: 00000000000005dc R14: ffffc900006d7010 R15: ffff8880027baf08
[   22.956206][  T285] FS:  00007effa7527800(0000) GS:ffff8880af427000(0000) knlGS:0000000000000000
[   22.956789][  T285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.957198][  T285] CR2: 00000000004e6888 CR3: 000000000a336001 CR4: 0000000000772ef0
[   22.957695][  T285] PKRU: 55555554
[   22.957942][  T285] Call Trace:
[   22.958193][  T285]  <TASK>
[ 22.958361][ T285] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.958698][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.959032][ T285] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.959361][ T285] netif_set_mtu (net/core/dev.c:9652) 
[ 22.959707][ T285] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.960053][ T285] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.960302][ T285] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.960777][ T285] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.961149][ T285] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.961493][ T285] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.961832][ T285] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.962244][ T285] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.962578][ T285] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.962901][ T285] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.963236][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.963588][ T285] ? __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) 
[ 22.963915][ T285] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.964313][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.964652][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.964978][ T285] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.965298][ T285] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.965644][ T285] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.965973][ T285] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.966297][ T285] ? __create_object (mm/kmemleak.c:771) 
[ 22.966624][ T285] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.966952][ T285] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.967275][ T285] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.967698][ T285] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.968048][ T285] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.968377][ T285] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.968711][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.969043][ T285] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.969370][ T285] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.969697][ T285] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.970025][ T285] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.970349][ T285] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.970688][ T285] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.971018][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.971346][ T285] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.971694][ T285] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.972048][ T285] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.972385][ T285] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.972718][ T285] ? 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) 
[ 22.973052][ T285] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.973378][ T285] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.973722][ T285] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.974054][ T285] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.974378][ T285] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.974715][ T285] ? _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) 
[ 22.975049][ T285] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.975380][ T285] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.975740][ T285] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.976163][ T285] ___sys_sendmsg (net/socket.c:2670) 
[ 22.976499][ T285] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.976834][ T285] ? __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) 
[ 22.977249][ T285] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.977584][ T285] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.977919][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.978253][ T285] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.978586][ T285] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.978914][ T285] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.979249][ T285] __sys_sendmsg (net/socket.c:2700) 
[ 22.979591][ T285] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.980002][ T285] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.980340][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.980685][ T285] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.981017][ T285] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.981420][  T285] RIP: 0033:0x7effa76f41e7
[ 22.981771][ T285] 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)
[   22.982958][  T285] RSP: 002b:00007fff36e56aa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.983453][  T285] RAX: ffffffffffffffda RBX: 00007fff36e571d0 RCX: 00007effa76f41e7
[   22.983959][  T285] RDX: 0000000000000000 RSI: 00007fff36e56b10 RDI: 0000000000000005
[   22.984449][  T285] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   22.984957][  T285] R10: 00000000360e1910 R11: 0000000000000246 R12: 0000000000000003
[   22.985448][  T285] R13: 00000000686e4c5f R14: 0000000000499600 R15: 0000000000000000
| [   36.407508][  T365] ------------[ cut here ]------------
| [ 36.407838][ T365] WARNING: CPU: 3 PID: 365 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) 
| [   36.408462][  T365] Modules linked in: ip_vs_rr bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   36.409756][  T365] Tainted: [W]=WARN
[   36.410002][  T365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.410398][ T365] 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) 
[ 36.410728][ T365] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   36.411875][  T365] RSP: 0018:ffffc90000916ef0 EFLAGS: 00010246
[   36.412277][  T365] RAX: 0000000000000000 RBX: ffff88800b9da000 RCX: 0000000000000001
[   36.412998][  T365] RDX: 0000000000000000 RSI: ffffffff84e9f52e RDI: ffffffff8465a5a0
[   36.413622][  T365] RBP: ffffc90000916fe0 R08: 0000000000000000 R09: 0000000000000000
[   36.414089][  T365] R10: ffffc90000917010 R11: ffffffff853798a0 R12: 1ffff92000122de2
[   36.414635][  T365] R13: 00000000000005dc R14: ffffc90000917010 R15: ffff88800b9daf08
[   36.415106][  T365] FS:  00007f53b6e45800(0000) GS:ffff8880af427000(0000) knlGS:0000000000000000
[   36.415661][  T365] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.416054][  T365] CR2: 00000000004e6888 CR3: 000000000b90a004 CR4: 0000000000772ef0
[   36.416542][  T365] PKRU: 55555554
[   36.416788][  T365] Call Trace:
[   36.417030][  T365]  <TASK>
[ 36.417194][ T365] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.417526][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.417849][ T365] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.418164][ T365] netif_set_mtu (net/core/dev.c:9652) 
[ 36.418489][ T365] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 36.418817][ T365] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 36.419054][ T365] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 36.419513][ T365] br_add_if (net/bridge/br_if.c:697) bridge 
[ 36.419873][ T365] do_set_master (net/core/rtnetlink.c:2948) 
[ 36.420191][ T365] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 36.420527][ T365] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.420925][ T365] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.421235][ T365] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.421551][ T365] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.421890][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.422204][ T365] ? __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) 
[ 36.422525][ T365] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.422937][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.423254][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.423576][ T365] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.423889][ T365] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.424208][ T365] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.424540][ T365] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.424851][ T365] ? __create_object (mm/kmemleak.c:771) 
[ 36.425162][ T365] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.425486][ T365] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.425798][ T365] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.426186][ T365] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.426512][ T365] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.426831][ T365] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.427147][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.427481][ T365] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.427800][ T365] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.428110][ T365] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.428423][ T365] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.428754][ T365] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.429078][ T365] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.429393][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.429718][ T365] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.430034][ T365] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.430345][ T365] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.430675][ T365] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.430985][ T365] ? 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) 
[ 36.431302][ T365] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.431624][ T365] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.431953][ T365] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.432269][ T365] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.432599][ T365] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.432913][ T365] ? _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) 
[ 36.433231][ T365] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.433555][ T365] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.433880][ T365] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.434280][ T365] ___sys_sendmsg (net/socket.c:2670) 
[ 36.434597][ T365] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.434908][ T365] ? __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) 
[ 36.435293][ T365] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.435617][ T365] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.435940][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.436257][ T365] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.436583][ T365] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.436895][ T365] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.437210][ T365] __sys_sendmsg (net/socket.c:2700) 
[ 36.437529][ T365] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.437918][ T365] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.438240][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.438563][ T365] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.438878][ T365] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.439260][  T365] RIP: 0033:0x7f53b70121e7
[ 36.439594][ T365] 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)
[   36.440728][  T365] RSP: 002b:00007ffd0af04e38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.441195][  T365] RAX: ffffffffffffffda RBX: 00007ffd0af05560 RCX: 00007f53b70121e7
[   36.441669][  T365] RDX: 0000000000000000 RSI: 00007ffd0af04ea0 RDI: 0000000000000005
[   36.442152][  T365] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   36.442631][  T365] R10: 000000001dcc5910 R11: 0000000000000246 R12: 0000000000000003
[   36.443101][  T365] R13: 00000000686e4c6d R14: 0000000000499600 R15: 0000000000000000
| [   36.709203][  T366] ------------[ cut here ]------------
| [ 36.709583][ T366] WARNING: CPU: 2 PID: 366 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) 
| [   36.710216][  T366] Modules linked in: ip_vs_rr bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   36.712449][  T366] Tainted: [W]=WARN
[   36.712719][  T366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.713118][ T366] 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) 
[ 36.713454][ T366] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   36.714600][  T366] RSP: 0018:ffffc90000926ef0 EFLAGS: 00010246
[   36.715036][  T366] RAX: 0000000000000000 RBX: ffff88800b9da000 RCX: 0000000000000001
[   36.715526][  T366] RDX: 0000000000000000 RSI: ffffffff84e9f52e RDI: ffffffff8465a5a0
[   36.716003][  T366] RBP: ffffc90000926fe0 R08: 0000000000000000 R09: 0000000000000000
[   36.716499][  T366] R10: ffffc90000927010 R11: ffffffff85cb19b8 R12: 1ffff92000124de2
[   36.716976][  T366] R13: 00000000000005dc R14: ffffc90000927010 R15: ffff88800b9daf08
[   36.717454][  T366] FS:  00007f6fb77d4800(0000) GS:ffff8880af3a7000(0000) knlGS:0000000000000000
[   36.718020][  T366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.718428][  T366] CR2: 00000000004e6888 CR3: 000000000b909004 CR4: 0000000000772ef0
[   36.718929][  T366] PKRU: 55555554
[   36.719186][  T366] Call Trace:
[   36.719433][  T366]  <TASK>
[ 36.719617][ T366] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.719943][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.720280][ T366] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 36.720618][ T366] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 36.721020][ T366] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 36.721347][ T366] netif_set_mtu (net/core/dev.c:9652) 
[ 36.721691][ T366] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 36.722050][ T366] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 36.722530][ T366] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 36.722785][ T366] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 36.723230][ T366] br_add_if (net/bridge/br_if.c:697) bridge 
[ 36.723613][ T366] do_set_master (net/core/rtnetlink.c:2948) 
[ 36.723945][ T366] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 36.724274][ T366] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.724692][ T366] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.725018][ T366] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.725340][ T366] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.725685][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.726013][ T366] ? __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) 
[ 36.726336][ T366] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.726756][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.727091][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.727418][ T366] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.727756][ T366] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.728085][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.728417][ T366] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.728750][ T366] ? __create_object (mm/kmemleak.c:771) 
[ 36.729077][ T366] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.729408][ T366] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.729746][ T366] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.730150][ T366] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.730510][ T366] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.730849][ T366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.731180][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.731526][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.731864][ T366] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.732187][ T366] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.732529][ T366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.732852][ T366] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.733182][ T366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.733520][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.733852][ T366] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.734179][ T366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.734541][ T366] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.734884][ T366] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.735206][ T366] ? 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) 
[ 36.735550][ T366] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.735877][ T366] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.736210][ T366] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.736547][ T366] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.736872][ T366] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.737199][ T366] ? _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) 
[ 36.737542][ T366] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.737865][ T366] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.738191][ T366] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.738619][ T366] ___sys_sendmsg (net/socket.c:2670) 
[ 36.738945][ T366] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.739268][ T366] ? __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) 
[ 36.739678][ T366] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.740002][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.740337][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.740675][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.741008][ T366] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.741331][ T366] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.741673][ T366] __sys_sendmsg (net/socket.c:2700) 
[ 36.742006][ T366] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.742400][ T366] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.742755][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.743092][ T366] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.743420][ T366] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.743829][  T366] RIP: 0033:0x7f6fb79a11e7
[ 36.744164][ T366] 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)
[   36.745300][  T366] RSP: 002b:00007ffe8e82c6d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.745791][  T366] RAX: ffffffffffffffda RBX: 00007ffe8e82ce00 RCX: 00007f6fb79a11e7
[   36.746267][  T366] RDX: 0000000000000000 RSI: 00007ffe8e82c740 RDI: 0000000000000005
[   36.746770][  T366] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   36.747251][  T366] R10: 0000000010452910 R11: 0000000000000246 R12: 0000000000000003
[   36.747738][  T366] R13: 00000000686e4c6d R14: 0000000000499600 R15: 0000000000000000
| [   42.144731][  T385] ------------[ cut here ]------------
| [ 42.145158][ T385] WARNING: CPU: 3 PID: 385 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) 
| [   42.145855][  T385] Modules linked in: ip_vs_rr bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   42.147251][  T385] Tainted: [W]=WARN
[   42.147511][  T385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.147936][ T385] 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) 
[ 42.148285][ T385] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   42.149498][  T385] RSP: 0018:ffffc90000a16e80 EFLAGS: 00010246
[   42.149931][  T385] RAX: 0000000000000000 RBX: ffff88800b9da000 RCX: 0000000000000001
[   42.150441][  T385] RDX: 0000000000000000 RSI: ffffffff84e9f52e RDI: ffffffff8465a5a0
[   42.150964][  T385] RBP: ffffc90000a16f68 R08: 0000000000000000 R09: 0000000000000000
[   42.152352][  T385] R10: ffffc90000a16f98 R11: ffffffff84220d81 R12: 1ffff92000142dd4
[   42.152876][  T385] R13: 00000000000005dc R14: ffffc90000a16f98 R15: ffff88800b9daf08
[   42.153383][  T385] FS:  00007ffa47e11800(0000) GS:ffff8880af427000(0000) knlGS:0000000000000000
[   42.153978][  T385] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.154401][  T385] CR2: 00000000004e6a30 CR3: 000000000c87c005 CR4: 0000000000772ef0
[   42.154924][  T385] PKRU: 55555554
[   42.155178][  T385] Call Trace:
[   42.155431][  T385]  <TASK>
[ 42.155614][ T385] ? __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) 
[ 42.156041][ T385] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 42.156423][ T385] ? br_device_event (net/bridge/br.c:141) bridge 
[ 42.156798][ T385] ? notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 42.157141][ T385] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.157490][ T385] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.157829][ T385] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.158169][ T385] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.158521][ T385] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.158863][ T385] ? ___sys_sendmsg (net/socket.c:2670) 
[ 42.159198][ T385] ? __sys_sendmsg (net/socket.c:2700) 
[ 42.159536][ T385] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.159876][ T385] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 42.160299][ T385] netif_set_mtu (net/core/dev.c:9652) 
[ 42.160643][ T385] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 42.160998][ T385] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 42.161252][ T385] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 42.161723][ T385] br_del_if (net/bridge/br_if.c:743) bridge 
[ 42.162105][ T385] br_device_event (net/bridge/br.c:141) bridge 
[ 42.162497][ T385] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 42.162950][ T385] ? ip_vs_dst_event (./include/net/net_namespace.h:409 ./include/linux/netdevice.h:2714 net/netfilter/ipvs/ip_vs_ctl.c:1770) ip_vs 
[ 42.163336][ T385] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 42.163696][ T385] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 42.164128][ T385] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 42.164479][ T385] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 42.164896][ T385] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 42.165310][ T385] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 42.165736][ T385] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 42.166160][ T385] rtnl_dellink (net/core/rtnetlink.c:3515 net/core/rtnetlink.c:3555) 
[ 42.166513][ T385] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3521) 
[ 42.166913][ T385] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.167253][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.167598][ T385] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.167933][ T385] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.168266][ T385] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.168611][ T385] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3521) 
[ 42.168948][ T385] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.169283][ T385] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.169629][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.169972][ T385] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.170307][ T385] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.170664][ T385] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.171011][ T385] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.171350][ T385] ? 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) 
[ 42.171695][ T385] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.172044][ T385] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.172389][ T385] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.172742][ T385] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.173083][ T385] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.173421][ T385] ? _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) 
[ 42.173786][ T385] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.174126][ T385] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.174461][ T385] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.174922][ T385] ___sys_sendmsg (net/socket.c:2670) 
[ 42.175254][ T385] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.175599][ T385] ? __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) 
[ 42.176017][ T385] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.176357][ T385] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.176702][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.177046][ T385] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.177382][ T385] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.177730][ T385] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.178076][ T385] __sys_sendmsg (net/socket.c:2700) 
[ 42.178414][ T385] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.178850][ T385] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.179199][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.179544][ T385] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.179888][ T385] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.180305][  T385] RIP: 0033:0x7ffa47fde1e7
[ 42.180675][ T385] 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)
[   42.181910][  T385] RSP: 002b:00007ffe9398d678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.182419][  T385] RAX: ffffffffffffffda RBX: 00007ffe9398dda0 RCX: 00007ffa47fde1e7
[   42.182935][  T385] RDX: 0000000000000000 RSI: 00007ffe9398d6e0 RDI: 0000000000000005
[   42.183440][  T385] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[   42.183958][  T385] R10: 00007ffa47edbee8 R11: 0000000000000246 R12: 0000000000000001
[   42.184462][  T385] R13: 00000000686e4c72 R14: 0000000000499600 R15: 0000000000000000
| [   49.971055][  T444] ------------[ cut here ]------------
| [ 49.971376][ T444] WARNING: CPU: 0 PID: 444 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) 
| [   49.972817][  T444] Modules linked in: ip_vs_rr bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   49.974152][  T444] Tainted: [W]=WARN
[   49.974389][  T444] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.974787][ T444] 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) 
[ 49.975111][ T444] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   49.976238][  T444] RSP: 0018:ffffc90000e76ef0 EFLAGS: 00010246
[   49.976646][  T444] RAX: 0000000000000000 RBX: ffff888004cca000 RCX: 0000000000000001
[   49.977111][  T444] RDX: 0000000000000000 RSI: ffffffff84e9f52e RDI: ffffffff8465a5a0
[   49.977593][  T444] RBP: ffffc90000e76fe0 R08: 0000000000000000 R09: 0000000000000000
[   49.978060][  T444] R10: ffffc90000e77010 R11: ffffffff853798a0 R12: 1ffff920001cede2
[   49.978533][  T444] R13: 00000000000005dc R14: ffffc90000e77010 R15: ffff888004ccaf08
[   49.979003][  T444] FS:  00007fd406ff9800(0000) GS:ffff8880af2a7000(0000) knlGS:0000000000000000
[   49.979566][  T444] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.979965][  T444] CR2: 00000000004e6888 CR3: 000000000c835006 CR4: 0000000000772ef0
[   49.980437][  T444] PKRU: 55555554
[   49.980684][  T444] Call Trace:
[   49.980921][  T444]  <TASK>
[ 49.981086][ T444] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 49.981403][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.981739][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.982071][ T444] netif_set_mtu (net/core/dev.c:9652) 
[ 49.982388][ T444] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 49.982728][ T444] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 49.982969][ T444] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 49.983415][ T444] br_add_if (net/bridge/br_if.c:697) bridge 
[ 49.983781][ T444] do_set_master (net/core/rtnetlink.c:2948) 
[ 49.984112][ T444] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 49.984428][ T444] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 49.984839][ T444] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 49.985151][ T444] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 49.985460][ T444] ? __kernel_text_address (kernel/extable.c:79) 
[ 49.985785][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.986097][ T444] ? __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) 
[ 49.986416][ T444] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 49.986811][ T444] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.987126][ T444] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.987435][ T444] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 49.987755][ T444] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 49.988070][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.988380][ T444] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 49.988706][ T444] ? __create_object (mm/kmemleak.c:771) 
[ 49.989152][ T444] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 49.989742][ T444] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 49.990162][ T444] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 49.990563][ T444] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 49.990886][ T444] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 49.991204][ T444] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.991526][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.991860][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.992174][ T444] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 49.992494][ T444] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.992808][ T444] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.993120][ T444] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 49.993433][ T444] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.993757][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.994072][ T444] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 49.994393][ T444] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.994715][ T444] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 49.995036][ T444] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 49.995343][ T444] ? 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) 
[ 49.995663][ T444] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 49.995974][ T444] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 49.996302][ T444] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 49.996625][ T444] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 49.996939][ T444] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 49.997250][ T444] ? _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) 
[ 49.997574][ T444] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 49.997889][ T444] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 49.998213][ T444] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 49.998622][ T444] ___sys_sendmsg (net/socket.c:2670) 
[ 49.998939][ T444] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 49.999251][ T444] ? __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) 
[ 49.999650][ T444] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 49.999968][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.000282][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.000608][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.000919][ T444] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 50.001235][ T444] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.001560][ T444] __sys_sendmsg (net/socket.c:2700) 
[ 50.001881][ T444] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 50.002265][ T444] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 50.002594][ T444] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.002907][ T444] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 50.003223][ T444] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   50.003620][  T444] RIP: 0033:0x7fd4071c61e7
[ 50.003943][ T444] 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)
[   50.005051][  T444] RSP: 002b:00007ffccd4aad48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   50.005531][  T444] RAX: ffffffffffffffda RBX: 00007ffccd4ab470 RCX: 00007fd4071c61e7
[   50.006005][  T444] RDX: 0000000000000000 RSI: 00007ffccd4aadb0 RDI: 0000000000000005
[   50.006478][  T444] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   50.006939][  T444] R10: 000000002d21a910 R11: 0000000000000246 R12: 0000000000000003
[   50.007401][  T444] R13: 00000000686e4c7a R14: 0000000000499600 R15: 0000000000000000
| [   50.311658][  T445] ------------[ cut here ]------------
| [ 50.312018][ T445] WARNING: CPU: 2 PID: 445 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) 
| [   50.313476][  T445] Modules linked in: ip_vs_rr bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   50.314806][  T445] Tainted: [W]=WARN
[   50.315058][  T445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.315459][ T445] 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) 
[ 50.315831][ T445] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   50.316972][  T445] RSP: 0018:ffffc90000e76ef0 EFLAGS: 00010246
[   50.317379][  T445] RAX: 0000000000000000 RBX: ffff888004cca000 RCX: 0000000000000001
[   50.317873][  T445] RDX: 0000000000000000 RSI: ffffffff84e9f52e RDI: ffffffff8465a5a0
[   50.318363][  T445] RBP: ffffc90000e76fe0 R08: 0000000000000000 R09: 0000000000000000
[   50.318849][  T445] R10: ffffc90000e77010 R11: ffffffff85cb19b8 R12: 1ffff920001cede2
[   50.319358][  T445] R13: 00000000000005dc R14: ffffc90000e77010 R15: ffff888004ccaf08
[   50.320065][  T445] FS:  00007f6a3a1a9800(0000) GS:ffff8880af3a7000(0000) knlGS:0000000000000000
[   50.320791][  T445] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.321264][  T445] CR2: 00000000004e6888 CR3: 000000000fd5b005 CR4: 0000000000772ef0
[   50.321763][  T445] PKRU: 55555554
[   50.322024][  T445] Call Trace:
[   50.322273][  T445]  <TASK>
[ 50.322553][ T445] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 50.322982][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.323400][ T445] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 50.323861][ T445] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 50.324335][ T445] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 50.324737][ T445] netif_set_mtu (net/core/dev.c:9652) 
[ 50.325129][ T445] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 50.325575][ T445] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 50.326114][ T445] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 50.326376][ T445] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 50.326940][ T445] br_add_if (net/bridge/br_if.c:697) bridge 
[ 50.327419][ T445] do_set_master (net/core/rtnetlink.c:2948) 
[ 50.327884][ T445] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 50.328315][ T445] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 50.328838][ T445] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 50.329264][ T445] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 50.329714][ T445] ? __kernel_text_address (kernel/extable.c:79) 
[ 50.330153][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.330590][ T445] ? __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) 
[ 50.331017][ T445] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 50.331539][ T445] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.331984][ T445] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.332900][ T445] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 50.333339][ T445] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 50.333782][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.334177][ T445] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 50.334573][ T445] ? __create_object (mm/kmemleak.c:771) 
[ 50.334953][ T445] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 50.335361][ T445] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 50.335718][ T445] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 50.336133][ T445] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 50.336579][ T445] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 50.337051][ T445] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.337491][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.337925][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.338340][ T445] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 50.338771][ T445] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.339191][ T445] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.339645][ T445] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 50.340089][ T445] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.340519][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.340949][ T445] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 50.341351][ T445] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.341736][ T445] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 50.342167][ T445] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 50.342592][ T445] ? 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) 
[ 50.343021][ T445] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 50.343443][ T445] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 50.343899][ T445] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 50.344326][ T445] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 50.344759][ T445] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 50.345181][ T445] ? _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) 
[ 50.345570][ T445] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 50.345961][ T445] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 50.346358][ T445] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 50.346933][ T445] ___sys_sendmsg (net/socket.c:2670) 
[ 50.347298][ T445] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 50.347750][ T445] ? __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) 
[ 50.348291][ T445] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 50.348721][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.349113][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.349549][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.349976][ T445] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 50.350390][ T445] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.350834][ T445] __sys_sendmsg (net/socket.c:2700) 
[ 50.351178][ T445] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 50.351726][ T445] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 50.352141][ T445] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.352571][ T445] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 50.352975][ T445] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   50.353486][  T445] RIP: 0033:0x7f6a3a3761e7
[ 50.353909][ T445] 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)
[   50.355317][  T445] RSP: 002b:00007fff692015b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   50.355927][  T445] RAX: ffffffffffffffda RBX: 00007fff69201ce0 RCX: 00007f6a3a3761e7
[   50.356579][  T445] RDX: 0000000000000000 RSI: 00007fff69201620 RDI: 0000000000000005
[   50.357158][  T445] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   50.357754][  T445] R10: 0000000037c4e910 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