======================================
| [   19.573587][  T308] veth1: entered promiscuous mode
| [   19.575923][  T308] ------------[ cut here ]------------
| [ 19.576243][ T308] WARNING: CPU: 0 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) 
| [   19.576895][  T308] Modules linked in: bridge stp llc sch_ingress vrf veth
[   19.578486][  T308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.578882][ 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) 
[ 19.579200][ 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
[   19.580314][  T308] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   19.580726][  T308] RAX: 0000000000000000 RBX: ffff88800e44a000 RCX: 0000000000000001
[   19.581394][  T308] RDX: 0000000000000000 RSI: ffffffff91c9b941 RDI: ffffffff914555e0
[   19.581871][  T308] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.582335][  T308] R10: ffffc900005e7010 R11: ffffffff92aa8918 R12: 1ffff920000bcde2
[   19.582804][  T308] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff88800e44af08
[   19.583264][  T308] FS:  00007f142868b800(0000) GS:ffff8880a24b7000(0000) knlGS:0000000000000000
[   19.583809][  T308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.584204][  T308] CR2: 00000000004e5aa8 CR3: 000000000cd2c002 CR4: 0000000000772ef0
[   19.584686][  T308] PKRU: 55555554
[   19.584920][  T308] Call Trace:
[   19.585153][  T308]  <TASK>
[ 19.585315][ T308] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.585646][ T308] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.585961][ T308] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.586269][ T308] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.586661][ T308] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.586971][ T308] netif_set_mtu (net/core/dev.c:9652) 
[ 19.587281][ T308] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.587609][ T308] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.588040][ T308] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.588277][ T308] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.588717][ T308] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.589073][ T308] do_set_master (net/core/rtnetlink.c:2948) 
[ 19.589386][ T308] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.589704][ T308] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.590095][ T308] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.590400][ T308] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.590715][ T308] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.591027][ T308] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.591336][ 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) 
[ 19.591651][ T308] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.592029][ T308] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.592339][ T308] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.592662][ T308] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.592972][ T308] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.593276][ T308] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.593593][ T308] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.593902][ T308] ? __create_object (mm/kmemleak.c:771) 
[ 19.594224][ T308] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.594541][ T308] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.594847][ T308] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.595227][ T308] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.595568][ T308] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.595882][ T308] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.596185][ T308] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.596514][ T308] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.596823][ T308] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.597126][ T308] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.597448][ T308] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.597755][ T308] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.598066][ T308] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.598373][ T308] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.598690][ T308] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.598997][ T308] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.599303][ T308] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.599628][ T308] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.599931][ 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) 
[ 19.600241][ T308] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.600571][ T308] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.600884][ T308] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.601192][ T308] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.601510][ T308] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.601815][ T308] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.602130][ T308] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.602454][ T308] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.602759][ T308] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.603148][ T308] ___sys_sendmsg (net/socket.c:2670) 
[ 19.603460][ T308] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.603766][ 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) 
[ 19.604147][ T308] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.604471][ T308] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.604789][ T308] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.605101][ T308] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.605408][ 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) 
[ 19.605733][ T308] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.606044][ T308] __sys_sendmsg (net/socket.c:2700) 
[ 19.606350][ T308] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.606738][ T308] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.607061][ T308] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.607370][ T308] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.607683][ T308] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.608062][  T308] RIP: 0033:0x7f14288581e7
[ 19.608383][ 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)
[   19.609494][  T308] RSP: 002b:00007fff1c250ab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.609968][  T308] RAX: ffffffffffffffda RBX: 00007fff1c2511e0 RCX: 00007f14288581e7
[   19.610440][  T308] RDX: 0000000000000000 RSI: 00007fff1c250b20 RDI: 0000000000000005
[   19.610900][  T308] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.611359][  T308] R10: 000000003fcba910 R11: 0000000000000246 R12: 0000000000000004
[   19.611828][  T308] R13: 00000000686e39f2 R14: 0000000000499600 R15: 0000000000000000
| [   19.855031][  T310] ------------[ cut here ]------------
| [ 19.855344][ T310] WARNING: CPU: 0 PID: 310 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) 
| [   19.855984][  T310] Modules linked in: bridge stp llc sch_ingress vrf veth
| [   19.857014][  T310] Tainted: [W]=WARN
[   19.857268][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.858988][ T310] 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) 
[ 19.859313][ T310] 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
[   19.860478][  T310] RSP: 0018:ffffc90000616ef0 EFLAGS: 00010246
[   19.860867][  T310] RAX: 0000000000000000 RBX: ffff88800e44a000 RCX: 0000000000000001
[   19.861378][  T310] RDX: 0000000000000000 RSI: ffffffff91c9b941 RDI: ffffffff914555e0
[   19.861849][  T310] RBP: ffffc90000616fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.862323][  T310] R10: ffffc90000617010 R11: ffffffff92aa8918 R12: 1ffff920000c2de2
[   19.862818][  T310] R13: 00000000000005dc R14: ffffc90000617010 R15: ffff88800e44af08
[   19.863316][  T310] FS:  00007f1996e30800(0000) GS:ffff8880a24b7000(0000) knlGS:0000000000000000
[   19.863875][  T310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.864260][  T310] CR2: 00000000004e5ab0 CR3: 000000000ce63004 CR4: 0000000000772ef0
[   19.864740][  T310] PKRU: 55555554
[   19.864969][  T310] Call Trace:
[   19.865201][  T310]  <TASK>
[ 19.865393][ T310] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.865744][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.866080][ T310] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.866398][ T310] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.866794][ T310] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.867118][ T310] netif_set_mtu (net/core/dev.c:9652) 
[ 19.867452][ T310] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.867818][ T310] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.868276][ T310] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.868521][ T310] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.868960][ T310] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.869353][ T310] do_set_master (net/core/rtnetlink.c:2948) 
[ 19.869698][ T310] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.870026][ T310] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.870446][ T310] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.870754][ T310] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.871077][ T310] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.871402][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.871724][ T310] ? __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) 
[ 19.872041][ T310] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.872453][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.872780][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.873085][ T310] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.873470][ T310] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.873784][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.874110][ T310] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.874413][ T310] ? __create_object (mm/kmemleak.c:771) 
[ 19.874747][ T310] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.875058][ T310] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.875378][ T310] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.875807][ T310] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.876121][ T310] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.876452][ T310] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.876760][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.877074][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.877460][ T310] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.877771][ T310] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.878082][ T310] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.878388][ T310] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.878723][ T310] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.879050][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.879361][ T310] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.879681][ T310] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.880005][ T310] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.880332][ T310] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.880650][ T310] ? 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) 
[ 19.880968][ T310] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.881309][ T310] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.881650][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.881986][ T310] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.882301][ T310] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.882618][ T310] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.882935][ T310] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.883251][ T310] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.883607][ T310] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.884020][ T310] ___sys_sendmsg (net/socket.c:2670) 
[ 19.884325][ T310] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.884659][ T310] ? __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) 
[ 19.885044][ T310] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.885400][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.885762][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.886084][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.886395][ T310] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.886733][ T310] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.887060][ T310] __sys_sendmsg (net/socket.c:2700) 
[ 19.887382][ T310] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.887790][ T310] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.888139][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.888457][ T310] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.888783][ T310] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.889181][  T310] RIP: 0033:0x7f1996ffd1e7
[ 19.889580][ T310] 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)
[   19.890710][  T310] RSP: 002b:00007ffea2343058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.891184][  T310] RAX: ffffffffffffffda RBX: 00007ffea2343780 RCX: 00007f1996ffd1e7
[   19.891661][  T310] RDX: 0000000000000000 RSI: 00007ffea23430c0 RDI: 0000000000000005
[   19.892146][  T310] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.892633][  T310] R10: 0000000038d99910 R11: 0000000000000246 R12: 0000000000000004
[   19.893109][  T310] R13: 00000000686e39f2 R14: 0000000000499600 R15: 0000000000000000
| [  163.861166][ T1707] ------------[ cut here ]------------
| [ 163.861500][ T1707] WARNING: CPU: 0 PID: 1707 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) 
| [  163.862115][ T1707] Modules linked in: act_gact act_pedit cls_flower bridge stp llc sch_ingress vrf veth
| [  163.863313][ T1707] Tainted: [W]=WARN
[  163.863803][ T1707] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 163.864186][ T1707] 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) 
[ 163.864519][ T1707] 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
[  163.865635][ T1707] RSP: 0018:ffffc90002b7ef70 EFLAGS: 00010246
[  163.866026][ T1707] RAX: 0000000000000000 RBX: ffff88800e44a000 RCX: 0000000000000001
[  163.866494][ T1707] RDX: 0000000000000000 RSI: ffffffff91c9b941 RDI: ffffffff914555e0
[  163.866950][ T1707] RBP: ffffc90002b7f058 R08: 0000000000000000 R09: 0000000000000000
[  163.867412][ T1707] R10: ffffc90002b7f088 R11: ffffffff8e000130 R12: 1ffff9200056fdf2
[  163.867881][ T1707] R13: 00000000000005dc R14: ffffc90002b7f088 R15: ffff88800e44af08
[  163.868336][ T1707] FS:  00007f30f842d800(0000) GS:ffff8880a24b7000(0000) knlGS:0000000000000000
[  163.868877][ T1707] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.869271][ T1707] CR2: 00000000004e5ab0 CR3: 000000000cce5001 CR4: 0000000000772ef0
[  163.869741][ T1707] PKRU: 55555554
[  163.869971][ T1707] Call Trace:
[  163.870202][ T1707]  <TASK>
[ 163.870356][ T1707] ? __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) 
[ 163.870751][ T1707] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 163.871107][ T1707] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 163.871431][ T1707] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 163.871738][ T1707] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 163.872042][ T1707] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 163.872344][ T1707] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.872672][ T1707] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.872988][ T1707] ? ___sys_sendmsg (net/socket.c:2670) 
[ 163.873291][ T1707] ? __sys_sendmsg (net/socket.c:2700) 
[ 163.873603][ T1707] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.873913][ T1707] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 163.874298][ T1707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 163.874626][ T1707] netif_set_mtu (net/core/dev.c:9652) 
[ 163.874934][ T1707] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 163.875260][ T1707] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 163.875503][ T1707] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 163.875933][ T1707] br_del_if (net/bridge/br_if.c:743) bridge 
[ 163.876279][ T1707] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 163.876602][ T1707] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 163.876915][ T1707] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 163.877302][ T1707] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 163.877616][ T1707] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 163.877922][ T1707] ? __kernel_text_address (kernel/extable.c:79) 
[ 163.878235][ T1707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.878559][ T1707] ? __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) 
[ 163.878868][ T1707] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 163.879247][ T1707] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.879566][ T1707] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.879871][ T1707] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 163.880174][ T1707] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 163.880488][ T1707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 163.880794][ T1707] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 163.881103][ T1707] ? __create_object (mm/kmemleak.c:771) 
[ 163.881412][ T1707] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 163.881731][ T1707] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 163.882038][ T1707] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 163.882428][ T1707] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 163.882742][ T1707] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 163.883054][ T1707] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.883370][ T1707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.883686][ T1707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 163.883994][ T1707] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 163.884295][ T1707] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.884610][ T1707] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 163.884914][ T1707] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 163.885218][ T1707] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.885536][ T1707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.885875][ T1707] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 163.886178][ T1707] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 163.886495][ T1707] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 163.886812][ T1707] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 163.887116][ T1707] ? 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) 
[ 163.887432][ T1707] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 163.887741][ T1707] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 163.888050][ T1707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.888359][ T1707] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 163.888675][ T1707] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 163.888982][ T1707] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 163.889295][ T1707] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 163.889613][ T1707] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 163.889917][ T1707] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 163.890319][ T1707] ___sys_sendmsg (net/socket.c:2670) 
[ 163.890648][ T1707] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 163.890955][ T1707] ? __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) 
[ 163.891337][ T1707] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 163.891657][ T1707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 163.891968][ T1707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 163.892278][ T1707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 163.892602][ T1707] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 163.892908][ T1707] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 163.893220][ T1707] __sys_sendmsg (net/socket.c:2700) 
[ 163.893526][ T1707] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 163.893907][ T1707] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 163.894223][ T1707] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 163.894535][ T1707] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 163.894839][ T1707] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  163.895217][ T1707] RIP: 0033:0x7f30f85fa1e7
[ 163.895557][ T1707] 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)
[  163.896658][ T1707] RSP: 002b:00007ffd65d821e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  163.897135][ T1707] RAX: ffffffffffffffda RBX: 00007ffd65d82910 RCX: 00007f30f85fa1e7
[  163.897599][ T1707] RDX: 0000000000000000 RSI: 00007ffd65d82250 RDI: 0000000000000005
[  163.898056][ T1707] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  163.898522][ T1707] R10: 00007f30f84f7ee8 R11: 0000000000000246 R12: 0000000000000003
[  163.898985][ T1707] R13: 00000000686e3a82 R14: 0000000000499600 R15: 0000000000000000
| [  164.130164][ T1709] ------------[ cut here ]------------
| [ 164.130980][ T1709] WARNING: CPU: 0 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) 
| [  164.131599][ T1709] Modules linked in: act_gact act_pedit cls_flower bridge stp llc sch_ingress vrf veth
| [  164.132797][ T1709] Tainted: [W]=WARN
[  164.133031][ T1709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.133411][ 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) 
[ 164.133740][ 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
[  164.134856][ T1709] RSP: 0018:ffffc90002b7ef70 EFLAGS: 00010246
[  164.135246][ T1709] RAX: 0000000000000000 RBX: ffff88800e44a000 RCX: 0000000000000001
[  164.135731][ T1709] RDX: 0000000000000000 RSI: ffffffff91c9b941 RDI: ffffffff914555e0
[  164.136187][ T1709] RBP: ffffc90002b7f058 R08: 0000000000000000 R09: 0000000000000000
[  164.136657][ T1709] R10: ffffc90002b7f088 R11: ffffffff92179160 R12: 1ffff9200056fdf2
[  164.137113][ T1709] R13: 00000000000005dc R14: ffffc90002b7f088 R15: ffff88800e44af08
[  164.137580][ T1709] FS:  00007f642109c800(0000) GS:ffff8880a24b7000(0000) knlGS:0000000000000000
[  164.138114][ T1709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.138527][ T1709] CR2: 00000000004e5aa8 CR3: 000000000bfb3003 CR4: 0000000000772ef0
[  164.138994][ T1709] PKRU: 55555554
[  164.139228][ T1709] Call Trace:
[  164.139484][ T1709]  <TASK>
[ 164.139640][ 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) 
[ 164.140028][ T1709] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 164.140375][ T1709] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 164.140693][ T1709] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 164.141000][ T1709] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.141306][ T1709] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 164.141622][ T1709] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.141925][ T1709] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.142231][ T1709] ? ___sys_sendmsg (net/socket.c:2670) 
[ 164.142559][ T1709] ? __sys_sendmsg (net/socket.c:2700) 
[ 164.142862][ T1709] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.143176][ T1709] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 164.143564][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.143879][ T1709] netif_set_mtu (net/core/dev.c:9652) 
[ 164.144184][ T1709] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.144516][ T1709] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.144751][ T1709] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 164.145169][ T1709] br_del_if (net/bridge/br_if.c:743) bridge 
[ 164.145524][ T1709] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 164.145841][ T1709] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 164.146151][ T1709] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 164.146483][ T1709] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 164.146873][ T1709] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 164.147180][ T1709] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 164.147496][ T1709] ? __kernel_text_address (kernel/extable.c:79) 
[ 164.147811][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.148120][ 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) 
[ 164.148440][ T1709] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 164.148818][ T1709] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.149130][ T1709] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.149446][ T1709] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 164.149750][ T1709] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 164.150060][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.150370][ T1709] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.150695][ T1709] ? __create_object (mm/kmemleak.c:771) 
[ 164.151010][ T1709] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 164.151318][ T1709] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 164.151632][ T1709] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 164.152010][ T1709] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 164.152322][ T1709] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.152651][ T1709] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.152957][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.153264][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.153579][ T1709] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.153882][ T1709] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.154190][ T1709] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.154514][ T1709] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.154829][ T1709] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.155147][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.155470][ T1709] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.155786][ T1709] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.156092][ T1709] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.156407][ T1709] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.156722][ 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) 
[ 164.157031][ T1709] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 164.157348][ T1709] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.157663][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.157976][ T1709] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.158282][ T1709] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.158608][ T1709] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.158921][ T1709] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.159228][ T1709] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.159548][ T1709] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.159945][ T1709] ___sys_sendmsg (net/socket.c:2670) 
[ 164.160247][ T1709] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 164.160562][ 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) 
[ 164.160944][ T1709] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.161250][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.161565][ T1709] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.161878][ T1709] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.162185][ 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) 
[ 164.162512][ T1709] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.162824][ T1709] __sys_sendmsg (net/socket.c:2700) 
[ 164.163127][ T1709] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 164.163517][ T1709] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.163835][ T1709] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.164147][ T1709] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.164463][ T1709] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.164844][ T1709] RIP: 0033:0x7f64212691e7
[ 164.165163][ 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)
[  164.166270][ T1709] RSP: 002b:00007ffd678167d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.166761][ T1709] RAX: ffffffffffffffda RBX: 00007ffd67816f00 RCX: 00007f64212691e7
[  164.167218][ T1709] RDX: 0000000000000000 RSI: 00007ffd67816840 RDI: 0000000000000005
[  164.167692][ T1709] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  164.168146][ T1709] R10: 00007f6421166ee8 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