======================================
| [   19.755623][  T308] veth1: entered promiscuous mode
| [   19.759390][  T308] ------------[ cut here ]------------
| [ 19.759728][ T308] WARNING: CPU: 1 PID: 308 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) 
| [   19.760491][  T308] Modules linked in: bridge stp llc sch_ingress vrf veth
[   19.762062][  T308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.762447][ T308] 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) 
[ 19.762767][ T308] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   19.764026][  T308] RSP: 0018:ffffc900004e6ef0 EFLAGS: 00010246
[   19.764441][  T308] RAX: 0000000000000000 RBX: ffff88800a5d2000 RCX: 0000000000000001
[   19.765051][  T308] RDX: 0000000000000000 RSI: ffffffffacc9b941 RDI: ffffffffac4555e0
[   19.765526][  T308] RBP: ffffc900004e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.766121][  T308] R10: ffffc900004e7010 R11: ffffffffadaa8918 R12: 1ffff9200009cde2
[   19.766593][  T308] R13: 00000000000005dc R14: ffffc900004e7010 R15: ffff88800a5d2f08
[   19.767064][  T308] FS:  00007face8fc4800(0000) GS:ffff888087537000(0000) knlGS:0000000000000000
[   19.767599][  T308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.767995][  T308] CR2: 00000000004e5aa8 CR3: 0000000005996004 CR4: 0000000000772ef0
[   19.768466][  T308] PKRU: 55555554
[   19.768697][  T308] Call Trace:
[   19.768938][  T308]  <TASK>
[ 19.769102][ T308] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.769413][ T308] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.769727][ T308] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.770044][ T308] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.770428][ T308] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.770743][ T308] netif_set_mtu (net/core/dev.c:9652) 
[ 19.771064][ T308] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.771379][ T308] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.771808][ T308] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.772056][ T308] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.772480][ T308] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.772848][ T308] do_set_master (net/core/rtnetlink.c:2948) 
[ 19.773161][ T308] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.773740][ T308] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.774138][ T308] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.774449][ T308] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.774753][ T308] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.775073][ T308] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.775407][ T308] ? __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) 
[ 19.775732][ T308] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.776123][ T308] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.776435][ T308] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.776743][ T308] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.777059][ T308] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.777370][ T308] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.777677][ T308] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.778000][ T308] ? __create_object (mm/kmemleak.c:771) 
[ 19.778316][ T308] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.778625][ T308] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.778942][ T308] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.779325][ T308] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.779640][ T308] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.779966][ T308] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.780277][ T308] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.780589][ T308] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.780905][ T308] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.781219][ T308] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.781528][ T308] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.781850][ T308] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.782162][ T308] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.782474][ T308] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.782795][ T308] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.783118][ T308] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.783439][ T308] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.783757][ T308] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.784069][ T308] ? 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) 
[ 19.784377][ T308] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.784687][ T308] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.785012][ T308] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.785321][ T308] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.785647][ T308] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.785962][ T308] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.786277][ T308] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.786585][ T308] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.786895][ T308] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.787293][ T308] ___sys_sendmsg (net/socket.c:2670) 
[ 19.787597][ T308] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.787913][ T308] ? __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) 
[ 19.788300][ T308] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.788611][ T308] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.788929][ T308] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.789246][ T308] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.789559][ T308] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.789874][ T308] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.790187][ T308] __sys_sendmsg (net/socket.c:2700) 
[ 19.790497][ T308] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.790888][ T308] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.791209][ T308] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.791518][ T308] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.791862][ T308] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.792253][  T308] RIP: 0033:0x7face91911e7
[ 19.792578][ T308] 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)
[   19.793688][  T308] RSP: 002b:00007ffe7d9d0398 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.794177][  T308] RAX: ffffffffffffffda RBX: 00007ffe7d9d0ac0 RCX: 00007face91911e7
[   19.794703][  T308] RDX: 0000000000000000 RSI: 00007ffe7d9d0400 RDI: 0000000000000005
[   19.795209][  T308] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.795704][  T308] R10: 0000000014521910 R11: 0000000000000246 R12: 0000000000000004
[   19.796213][  T308] R13: 00000000686e44bc R14: 0000000000499600 R15: 0000000000000000
| [   20.024731][  T311] ------------[ cut here ]------------
| [ 20.025163][ T311] WARNING: CPU: 2 PID: 311 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.025826][  T311] Modules linked in: bridge stp llc sch_ingress vrf veth
| [   20.026895][  T311] Tainted: [W]=WARN
[   20.027146][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.027547][ T311] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.027895][ T311] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.029162][  T311] RSP: 0018:ffffc900005b6ef0 EFLAGS: 00010246
[   20.029619][  T311] RAX: 0000000000000000 RBX: ffff88800a5d2000 RCX: 0000000000000001
[   20.030390][  T311] RDX: 0000000000000000 RSI: ffffffffacc9b941 RDI: ffffffffac4555e0
[   20.031122][  T311] RBP: ffffc900005b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.031801][  T311] R10: ffffc900005b7010 R11: ffffffffadaa8918 R12: 1ffff920000b6de2
[   20.032374][  T311] R13: 00000000000005dc R14: ffffc900005b7010 R15: ffff88800a5d2f08
[   20.032933][  T311] FS:  00007f883ff9e800(0000) GS:ffff8880875b7000(0000) knlGS:0000000000000000
[   20.033567][  T311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.034029][  T311] CR2: 00000000004e5ab0 CR3: 000000000a3f5005 CR4: 0000000000772ef0
[   20.034572][  T311] PKRU: 55555554
[   20.034862][  T311] Call Trace:
[   20.035140][  T311]  <TASK>
[ 20.035336][ T311] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.035726][ T311] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.036114][ T311] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.036481][ T311] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.036942][ T311] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.037311][ T311] netif_set_mtu (net/core/dev.c:9652) 
[ 20.037733][ T311] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.038127][ T311] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.038636][ T311] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.038932][ T311] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.039424][ T311] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.039846][ T311] do_set_master (net/core/rtnetlink.c:2948) 
[ 20.040218][ T311] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.040587][ T311] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.041084][ T311] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.041453][ T311] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.041824][ T311] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.042192][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.042555][ T311] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 20.042930][ T311] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.043374][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.043747][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.044119][ T311] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.044484][ T311] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.044862][ T311] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.045226][ T311] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.045612][ T311] ? __create_object (mm/kmemleak.c:771) 
[ 20.045995][ T311] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.046360][ T311] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.046731][ T311] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.047191][ T311] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.047563][ T311] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.047943][ T311] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.048307][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.048674][ T311] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.049049][ T311] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.049409][ T311] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.049779][ T311] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.050148][ T311] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.050513][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.050889][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.051259][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.051625][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.051999][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.052383][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.052744][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.053120][ T311] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.053487][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.053856][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.054241][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.054603][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.054992][ T311] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.055379][ T311] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.055762][ T311] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.056137][ T311] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.056596][ T311] ___sys_sendmsg (net/socket.c:2670) 
[ 20.056965][ T311] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.057337][ T311] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 20.057792][ T311] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.058171][ T311] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.058542][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.058920][ T311] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.059285][ T311] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.059646][ T311] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.060024][ T311] __sys_sendmsg (net/socket.c:2700) 
[ 20.060387][ T311] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.060857][ T311] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.061233][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.061595][ T311] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.061969][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.062412][  T311] RIP: 0033:0x7f884016b1e7
[ 20.062782][ T311] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   20.064028][  T311] RSP: 002b:00007ffe02c61278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.064563][  T311] RAX: ffffffffffffffda RBX: 00007ffe02c619a0 RCX: 00007f884016b1e7
[   20.065111][  T311] RDX: 0000000000000000 RSI: 00007ffe02c612e0 RDI: 0000000000000005
[   20.065663][  T311] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.066212][  T311] R10: 000000001ecc2910 R11: 0000000000000246 R12: 0000000000000004
[   20.066741][  T311] R13: 00000000686e44bc R14: 0000000000499600 R15: 0000000000000000
| [  164.374109][ T1709] ------------[ cut here ]------------
| [ 164.374435][ T1709] WARNING: CPU: 3 PID: 1709 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) 
| [  164.376098][ T1709] Modules linked in: act_gact act_pedit cls_flower bridge stp llc sch_ingress vrf veth
| [  164.377323][ T1709] Tainted: [W]=WARN
[  164.377568][ T1709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.377971][ T1709] 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) 
[ 164.378322][ T1709] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  164.379647][ T1709] RSP: 0018:ffffc90002dd6f70 EFLAGS: 00010246
[  164.380065][ T1709] RAX: 0000000000000000 RBX: ffff88800a5d2000 RCX: 0000000000000001
[  164.380521][ T1709] RDX: 0000000000000000 RSI: ffffffffacc9b941 RDI: ffffffffac4555e0
[  164.381018][ T1709] RBP: ffffc90002dd7058 R08: 0000000000000000 R09: 0000000000000000
[  164.381492][ T1709] R10: ffffc90002dd7088 R11: ffffffffa9000130 R12: 1ffff920005badf2
[  164.381979][ T1709] R13: 00000000000005dc R14: ffffc90002dd7088 R15: ffff88800a5d2f08
[  164.382449][ T1709] FS:  00007f778a416800(0000) GS:ffff888087637000(0000) knlGS:0000000000000000
[  164.383029][ T1709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.383414][ T1709] CR2: 00000000004e5ab0 CR3: 000000000e4f8001 CR4: 0000000000772ef0
[  164.383917][ T1709] PKRU: 55555554
[  164.384147][ T1709] Call Trace:
[  164.384482][ T1709]  <TASK>
[ 164.384731][ T1709] ? __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) 
[ 164.385365][ T1709] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 164.385980][ T1709] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 164.386496][ T1709] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 164.387033][ T1709] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.387578][ T1709] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 164.388127][ T1709] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.388641][ T1709] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.389189][ T1709] ? ___sys_sendmsg (net/socket.c:2670) 
[ 164.389726][ T1709] ? __sys_sendmsg (net/socket.c:2700) 
[ 164.390274][ T1709] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.390648][ T1709] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 164.391282][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.391855][ T1709] netif_set_mtu (net/core/dev.c:9652) 
[ 164.392402][ T1709] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.392949][ T1709] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.393359][ T1709] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.394126][ T1709] br_del_if (net/bridge/br_if.c:743) bridge 
[ 164.394734][ T1709] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 164.395299][ T1709] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 164.395872][ T1709] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 164.396413][ T1709] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 164.397124][ T1709] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 164.397675][ T1709] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 164.398230][ T1709] ? __kernel_text_address (kernel/extable.c:79) 
[ 164.398796][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.399362][ T1709] ? __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) 
[ 164.399932][ T1709] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 164.400597][ T1709] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.401030][ T1709] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.401556][ T1709] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 164.402110][ T1709] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 164.402640][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.403168][ T1709] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.403702][ T1709] ? __create_object (mm/kmemleak.c:771) 
[ 164.404285][ T1709] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 164.404846][ T1709] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 164.405379][ T1709] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 164.406079][ T1709] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 164.406630][ T1709] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.407190][ T1709] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.407729][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.408306][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.408864][ T1709] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.409377][ T1709] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.409931][ T1709] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.410464][ T1709] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.411019][ T1709] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.411577][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.412136][ T1709] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.412668][ T1709] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.413230][ T1709] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.413797][ T1709] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.414370][ T1709] ? 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) 
[ 164.414946][ T1709] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 164.415509][ T1709] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.416088][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.416636][ T1709] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.417188][ T1709] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.417742][ T1709] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.418325][ T1709] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.418895][ T1709] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.419443][ T1709] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.420132][ T1709] ___sys_sendmsg (net/socket.c:2670) 
[ 164.420699][ T1709] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 164.421248][ T1709] ? __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) 
[ 164.421957][ T1709] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.422525][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.423102][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.423670][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.424218][ T1709] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 164.424768][ T1709] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.425345][ T1709] __sys_sendmsg (net/socket.c:2700) 
[ 164.425886][ T1709] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 164.426539][ T1709] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.427105][ T1709] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.427644][ T1709] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.428193][ T1709] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.428847][ T1709] RIP: 0033:0x7f778a5e31e7
[ 164.429373][ T1709] 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)
[  164.431339][ T1709] RSP: 002b:00007ffc682ae1d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.432147][ T1709] RAX: ffffffffffffffda RBX: 00007ffc682ae900 RCX: 00007f778a5e31e7
[  164.432960][ T1709] RDX: 0000000000000000 RSI: 00007ffc682ae240 RDI: 0000000000000005
[  164.433767][ T1709] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  164.434572][ T1709] R10: 00007f778a4e0ee8 R11: 0000000000000246 R12: 0000000000000003
[  164.435359][ T1709] R13: 00000000686e454d R14: 0000000000499600 R15: 0000000000000000
| [  164.681797][ T1711] ------------[ cut here ]------------
| [ 164.682335][ T1711] WARNING: CPU: 2 PID: 1711 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) 
| [  164.683088][ T1711] Modules linked in: act_gact act_pedit cls_flower bridge stp llc sch_ingress vrf veth
| [  164.684293][ T1711] Tainted: [W]=WARN
[  164.684536][ T1711] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.684943][ T1711] 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) 
[ 164.685273][ T1711] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  164.686411][ T1711] RSP: 0018:ffffc90002cf6f70 EFLAGS: 00010246
[  164.686819][ T1711] RAX: 0000000000000000 RBX: ffff88800a5d2000 RCX: 0000000000000001
[  164.687303][ T1711] RDX: 0000000000000000 RSI: ffffffffacc9b941 RDI: ffffffffac4555e0
[  164.687771][ T1711] RBP: ffffc90002cf7058 R08: 0000000000000000 R09: 0000000000000000
[  164.688247][ T1711] R10: ffffc90002cf7088 R11: ffffffffad179160 R12: 1ffff9200059edf2
[  164.688715][ T1711] R13: 00000000000005dc R14: ffffc90002cf7088 R15: ffff88800a5d2f08
[  164.689200][ T1711] FS:  00007fc4c3b97800(0000) GS:ffff8880875b7000(0000) knlGS:0000000000000000
[  164.689757][ T1711] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.690167][ T1711] CR2: 00000000004e5aa8 CR3: 000000000592e004 CR4: 0000000000772ef0
[  164.690639][ T1711] PKRU: 55555554
[  164.690897][ T1711] Call Trace:
[  164.691139][ T1711]  <TASK>
[ 164.691312][ T1711] ? __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) 
[ 164.691711][ T1711] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 164.692093][ T1711] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 164.692411][ T1711] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 164.692729][ T1711] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.693055][ T1711] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 164.693385][ T1711] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.693713][ T1711] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.694039][ T1711] ? ___sys_sendmsg (net/socket.c:2670) 
[ 164.694356][ T1711] ? __sys_sendmsg (net/socket.c:2700) 
[ 164.694674][ T1711] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.695009][ T1711] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 164.695405][ T1711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.695776][ T1711] netif_set_mtu (net/core/dev.c:9652) 
[ 164.696112][ T1711] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.696462][ T1711] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.696708][ T1711] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.697161][ T1711] br_del_if (net/bridge/br_if.c:743) bridge 
[ 164.697513][ T1711] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 164.697846][ T1711] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 164.698179][ T1711] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 164.698517][ T1711] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 164.698958][ T1711] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 164.699279][ T1711] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 164.699600][ T1711] ? __kernel_text_address (kernel/extable.c:79) 
[ 164.699955][ T1711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.700281][ T1711] ? __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) 
[ 164.700606][ T1711] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 164.701047][ T1711] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.701378][ T1711] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.701700][ T1711] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 164.702026][ T1711] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 164.702350][ T1711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.702667][ T1711] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.702993][ T1711] ? __create_object (mm/kmemleak.c:771) 
[ 164.703314][ T1711] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 164.703634][ T1711] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 164.703971][ T1711] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 164.704365][ T1711] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 164.704694][ T1711] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.705025][ T1711] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.705340][ T1711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.705678][ T1711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.706006][ T1711] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.706320][ T1711] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.706652][ T1711] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.706978][ T1711] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.707298][ T1711] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.707617][ T1711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.707948][ T1711] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.708263][ T1711] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.708581][ T1711] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.708924][ T1711] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.709241][ T1711] ? 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) 
[ 164.709559][ T1711] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 164.709889][ T1711] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.710204][ T1711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.710529][ T1711] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.710860][ T1711] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.711190][ T1711] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.711514][ T1711] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.711845][ T1711] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.712161][ T1711] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.712564][ T1711] ___sys_sendmsg (net/socket.c:2670) 
[ 164.712891][ T1711] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 164.713211][ T1711] ? __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) 
[ 164.713613][ T1711] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.713955][ T1711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.714279][ T1711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.714603][ T1711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.714931][ T1711] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 164.715249][ T1711] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.715585][ T1711] __sys_sendmsg (net/socket.c:2700) 
[ 164.715916][ T1711] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 164.716315][ T1711] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.716645][ T1711] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.716975][ T1711] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.717297][ T1711] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.717687][ T1711] RIP: 0033:0x7fc4c3d641e7
[ 164.718147][ T1711] 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)
[  164.719279][ T1711] RSP: 002b:00007ffe44d2ce28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.719761][ T1711] RAX: ffffffffffffffda RBX: 00007ffe44d2d550 RCX: 00007fc4c3d641e7
[  164.720247][ T1711] RDX: 0000000000000000 RSI: 00007ffe44d2ce90 RDI: 0000000000000005
[  164.720733][ T1711] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  164.721221][ T1711] R10: 00007fc4c3c61ee8 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