======================================
| [   18.783765][  T301] veth1: entered promiscuous mode
| [   18.787152][  T301] ------------[ cut here ]------------
| [ 18.787471][ T301] WARNING: CPU: 3 PID: 301 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) 
| [   18.788100][  T301] Modules linked in: bridge stp llc vrf veth
[   18.789120][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.789510][ T301] 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) 
[ 18.789834][ T301] 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
[   18.790940][  T301] RSP: 0018:ffffc900005c6ef0 EFLAGS: 00010246
[   18.791331][  T301] RAX: 0000000000000000 RBX: ffff88800c0ea000 RCX: 0000000000000001
[   18.791809][  T301] RDX: 0000000000000000 RSI: ffffffffa609b941 RDI: ffffffffa58555e0
[   18.792275][  T301] RBP: ffffc900005c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   18.792734][  T301] R10: ffffc900005c7010 R11: ffffffffa6ea8918 R12: 1ffff920000b8de2
[   18.793210][  T301] R13: 00000000000005dc R14: ffffc900005c7010 R15: ffff88800c0eaf08
[   18.793671][  T301] FS:  00007f592e769800(0000) GS:ffff88808e237000(0000) knlGS:0000000000000000
[   18.794256][  T301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.794813][  T301] CR2: 00000000004e5aa8 CR3: 0000000008f30006 CR4: 0000000000772ef0
[   18.795280][  T301] PKRU: 55555554
[   18.795523][  T301] Call Trace:
[   18.795770][  T301]  <TASK>
[ 18.795952][ T301] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 18.796264][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.796578][ T301] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 18.796894][ T301] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 18.797276][ T301] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 18.797587][ T301] netif_set_mtu (net/core/dev.c:9652) 
[ 18.797921][ T301] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 18.798245][ T301] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 18.798671][ T301] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 18.798917][ T301] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 18.799333][ T301] br_add_if (net/bridge/br_if.c:697) bridge 
[ 18.799677][ T301] do_set_master (net/core/rtnetlink.c:2948) 
[ 18.799998][ T301] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 18.800307][ T301] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 18.800719][ T301] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 18.801039][ T301] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 18.801341][ T301] ? __kernel_text_address (kernel/extable.c:79) 
[ 18.801650][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.801972][ T301] ? __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) 
[ 18.802282][ T301] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 18.802666][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.802986][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.803293][ T301] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 18.803601][ T301] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 18.803919][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.804231][ T301] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 18.804536][ T301] ? __create_object (mm/kmemleak.c:771) 
[ 18.804857][ T301] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 18.805171][ T301] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 18.805480][ T301] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.805883][ T301] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 18.806199][ T301] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 18.806512][ T301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.806831][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.807145][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.807453][ T301] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 18.807760][ T301] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.808080][ T301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.808387][ T301] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 18.808696][ T301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.809015][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.809327][ T301] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 18.809640][ T301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.809970][ T301] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 18.810290][ T301] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 18.810597][ T301] ? 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) 
[ 18.810914][ T301] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 18.811227][ T301] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 18.811535][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.811865][ T301] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 18.812177][ T301] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 18.812487][ T301] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 18.812829][ T301] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 18.813140][ T301] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 18.813446][ T301] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 18.813852][ T301] ___sys_sendmsg (net/socket.c:2670) 
[ 18.814161][ T301] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 18.814472][ T301] ? __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) 
[ 18.814863][ T301] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 18.815178][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.815489][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.815824][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.816189][ T301] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 18.816504][ T301] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.816832][ T301] __sys_sendmsg (net/socket.c:2700) 
[ 18.817141][ T301] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 18.817523][ T301] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 18.817858][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.818181][ T301] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.818493][ T301] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.818892][  T301] RIP: 0033:0x7f592e9361e7
[ 18.819211][ T301] 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)
[   18.820819][  T301] RSP: 002b:00007ffe9c177818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.821286][  T301] RAX: ffffffffffffffda RBX: 00007ffe9c177f40 RCX: 00007f592e9361e7
[   18.821775][  T301] RDX: 0000000000000000 RSI: 00007ffe9c177880 RDI: 0000000000000005
[   18.822476][  T301] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   18.822949][  T301] R10: 000000003d332910 R11: 0000000000000246 R12: 0000000000000004
[   18.823414][  T301] R13: 00000000686e15fb R14: 0000000000499600 R15: 0000000000000000
| [   19.043729][  T304] ------------[ cut here ]------------
| [ 19.044074][ T304] WARNING: CPU: 2 PID: 304 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) 
| [   19.044692][  T304] Modules linked in: bridge stp llc vrf veth
| [   19.045775][  T304] Tainted: [W]=WARN
[   19.046036][  T304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.046428][ T304] 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) 
[ 19.046755][ T304] 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
[   19.047863][  T304] RSP: 0018:ffffc900005a6ef0 EFLAGS: 00010246
[   19.048260][  T304] RAX: 0000000000000000 RBX: ffff88800c0ea000 RCX: 0000000000000001
[   19.048730][  T304] RDX: 0000000000000000 RSI: ffffffffa609b941 RDI: ffffffffa58555e0
[   19.049215][  T304] RBP: ffffc900005a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.049682][  T304] R10: ffffc900005a7010 R11: ffffffffa6ea8918 R12: 1ffff920000b4de2
[   19.050160][  T304] R13: 00000000000005dc R14: ffffc900005a7010 R15: ffff88800c0eaf08
[   19.050630][  T304] FS:  00007f0d46b98800(0000) GS:ffff88808e1b7000(0000) knlGS:0000000000000000
[   19.051195][  T304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.051592][  T304] CR2: 00000000004e5ab0 CR3: 0000000008f30006 CR4: 0000000000772ef0
[   19.052073][  T304] PKRU: 55555554
[   19.052315][  T304] Call Trace:
[   19.052554][  T304]  <TASK>
[ 19.052727][ T304] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.053055][ T304] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.053379][ T304] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.053712][ T304] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.054145][ T304] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.054468][ T304] netif_set_mtu (net/core/dev.c:9652) 
[ 19.054789][ T304] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.055126][ T304] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.055578][ T304] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.055861][ T304] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.056292][ T304] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.056648][ T304] do_set_master (net/core/rtnetlink.c:2948) 
[ 19.056987][ T304] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.057311][ T304] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.057708][ T304] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.058033][ T304] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.058357][ T304] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.058678][ T304] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.059006][ T304] ? __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) 
[ 19.059325][ T304] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.059715][ T304] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.060060][ T304] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.060376][ T304] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.060697][ T304] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.061028][ T304] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.061346][ T304] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.061659][ T304] ? __create_object (mm/kmemleak.c:771) 
[ 19.061983][ T304] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.062303][ T304] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.062616][ T304] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.063015][ T304] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.063342][ T304] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.063665][ T304] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.063993][ T304] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.064316][ T304] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.064635][ T304] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.064962][ T304] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.065282][ T304] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.065606][ T304] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.065945][ T304] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.066264][ T304] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.066585][ T304] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.066909][ T304] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.067227][ T304] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.067552][ T304] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.067875][ T304] ? 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) 
[ 19.068199][ T304] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.068519][ T304] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.068844][ T304] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.069176][ T304] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.069493][ T304] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.069820][ T304] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.070145][ T304] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.070472][ T304] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.070786][ T304] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.071200][ T304] ___sys_sendmsg (net/socket.c:2670) 
[ 19.071512][ T304] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.071838][ T304] ? __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) 
[ 19.072229][ T304] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.072552][ T304] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.072892][ T304] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.073219][ T304] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.073535][ T304] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.073864][ T304] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.074189][ T304] __sys_sendmsg (net/socket.c:2700) 
[ 19.074504][ T304] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.074902][ T304] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.075238][ T304] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.075555][ T304] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.075897][ T304] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.076287][  T304] RIP: 0033:0x7f0d46d651e7
[ 19.076616][ T304] 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)
[   19.077726][  T304] RSP: 002b:00007ffe46c7b938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.078211][  T304] RAX: ffffffffffffffda RBX: 00007ffe46c7c060 RCX: 00007f0d46d651e7
[   19.078678][  T304] RDX: 0000000000000000 RSI: 00007ffe46c7b9a0 RDI: 0000000000000005
[   19.079153][  T304] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.079622][  T304] R10: 0000000009c18910 R11: 0000000000000246 R12: 0000000000000004
[   19.080099][  T304] R13: 00000000686e15fb R14: 0000000000499600 R15: 0000000000000000
| [   46.682004][  T625] ------------[ cut here ]------------
| [ 46.682383][ T625] WARNING: CPU: 2 PID: 625 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) 
| [   46.683184][  T625] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth
| [   46.684466][  T625] Tainted: [W]=WARN
[   46.684730][  T625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.685159][ T625] 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) 
[ 46.685511][ T625] 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
[   46.686713][  T625] RSP: 0018:ffffc90001036f70 EFLAGS: 00010246
[   46.687145][  T625] RAX: 0000000000000000 RBX: ffff88800c0ea000 RCX: 0000000000000001
[   46.687648][  T625] RDX: 0000000000000000 RSI: ffffffffa609b941 RDI: ffffffffa58555e0
[   46.688153][  T625] RBP: ffffc90001037058 R08: 0000000000000000 R09: 0000000000000000
[   46.688646][  T625] R10: ffffc90001037088 R11: ffffffffa2400130 R12: 1ffff92000206df2
[   46.689147][  T625] R13: 00000000000005dc R14: ffffc90001037088 R15: ffff88800c0eaf08
[   46.689645][  T625] FS:  00007f8571f4d800(0000) GS:ffff88808e1b7000(0000) knlGS:0000000000000000
[   46.690238][  T625] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.690659][  T625] CR2: 00000000004e5ab0 CR3: 0000000006215005 CR4: 0000000000772ef0
[   46.691166][  T625] PKRU: 55555554
[   46.691420][  T625] Call Trace:
[   46.691673][  T625]  <TASK>
[ 46.691865][ T625] ? __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) 
[ 46.692281][ T625] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 46.692648][ T625] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 46.692997][ T625] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 46.693331][ T625] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 46.693660][ T625] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 46.694017][ T625] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 46.694360][ T625] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 46.694692][ T625] ? ___sys_sendmsg (net/socket.c:2670) 
[ 46.695035][ T625] ? __sys_sendmsg (net/socket.c:2700) 
[ 46.695365][ T625] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 46.695706][ T625] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 46.696132][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.696474][ T625] netif_set_mtu (net/core/dev.c:9652) 
[ 46.696819][ T625] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 46.697178][ T625] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 46.697433][ T625] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 46.697911][ T625] br_del_if (net/bridge/br_if.c:743) bridge 
[ 46.698274][ T625] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 46.698603][ T625] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 46.698946][ T625] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 46.699284][ T625] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 46.699711][ T625] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 46.700053][ T625] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 46.700381][ T625] ? __kernel_text_address (kernel/extable.c:79) 
[ 46.700716][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.701064][ T625] ? __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) 
[ 46.701392][ T625] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 46.701822][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.702167][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.702497][ T625] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 46.702842][ T625] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 46.703177][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.703510][ T625] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 46.703850][ T625] ? __create_object (mm/kmemleak.c:771) 
[ 46.704183][ T625] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 46.704517][ T625] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.704865][ T625] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 46.705276][ T625] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 46.705622][ T625] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 46.705985][ T625] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.706317][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.706658][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.707019][ T625] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 46.707352][ T625] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.707695][ T625] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.708040][ T625] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 46.708374][ T625] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.708714][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.709063][ T625] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 46.709400][ T625] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.709736][ T625] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 46.710107][ T625] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 46.710442][ T625] ? 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) 
[ 46.710778][ T625] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 46.711126][ T625] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 46.711462][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.711810][ T625] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 46.712154][ T625] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 46.712497][ T625] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 46.712850][ T625] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 46.713189][ T625] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 46.713522][ T625] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 46.713964][ T625] ___sys_sendmsg (net/socket.c:2670) 
[ 46.714299][ T625] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 46.714629][ T625] ? __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) 
[ 46.715059][ T625] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 46.715398][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.715745][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.716089][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.716422][ T625] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 46.716754][ T625] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.717106][ T625] __sys_sendmsg (net/socket.c:2700) 
[ 46.717434][ T625] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 46.717865][ T625] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 46.718212][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.718546][ T625] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 46.718886][ T625] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.719296][  T625] RIP: 0033:0x7f857211a1e7
[ 46.719631][ T625] 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)
[   46.720790][  T625] RSP: 002b:00007ffe569170c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   46.721297][  T625] RAX: ffffffffffffffda RBX: 00007ffe569177f0 RCX: 00007f857211a1e7
[   46.721789][  T625] RDX: 0000000000000000 RSI: 00007ffe56917130 RDI: 0000000000000005
[   46.722304][  T625] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   46.722811][  T625] R10: 00007f8572017ee8 R11: 0000000000000246 R12: 0000000000000003
[   46.723304][  T625] R13: 00000000686e1617 R14: 0000000000499600 R15: 0000000000000000
| [   46.956325][  T627] ------------[ cut here ]------------
| [ 46.956673][ T627] WARNING: CPU: 0 PID: 627 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) 
| [   46.957709][  T627] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth
| [   46.958967][  T627] Tainted: [W]=WARN
[   46.959209][  T627] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.959608][ T627] 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) 
[ 46.959964][ T627] 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
[   46.961078][  T627] RSP: 0018:ffffc90001046f70 EFLAGS: 00010246
[   46.961478][  T627] RAX: 0000000000000000 RBX: ffff88800c0ea000 RCX: 0000000000000001
[   46.961967][  T627] RDX: 0000000000000000 RSI: ffffffffa609b941 RDI: ffffffffa58555e0
[   46.962444][  T627] RBP: ffffc90001047058 R08: 0000000000000000 R09: 0000000000000000
[   46.962932][  T627] R10: ffffc90001047088 R11: ffffffffa6579160 R12: 1ffff92000208df2
[   46.963413][  T627] R13: 00000000000005dc R14: ffffc90001047088 R15: ffff88800c0eaf08
[   46.963911][  T627] FS:  00007fcda4f93800(0000) GS:ffff88808e0b7000(0000) knlGS:0000000000000000
[   46.964470][  T627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.964879][  T627] CR2: 00000000004e5aa8 CR3: 000000000c94b001 CR4: 0000000000772ef0
[   46.965363][  T627] PKRU: 55555554
[   46.965609][  T627] Call Trace:
[   46.965853][  T627]  <TASK>
[ 46.966018][ T627] ? __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) 
[ 46.966416][ T627] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 46.966772][ T627] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 46.967103][ T627] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 46.967417][ T627] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 46.967737][ T627] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 46.968088][ T627] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 46.968408][ T627] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 46.968727][ T627] ? ___sys_sendmsg (net/socket.c:2670) 
[ 46.969051][ T627] ? __sys_sendmsg (net/socket.c:2700) 
[ 46.969368][ T627] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 46.969682][ T627] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 46.970088][ T627] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.970425][ T627] netif_set_mtu (net/core/dev.c:9652) 
[ 46.970743][ T627] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 46.971084][ T627] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 46.971326][ T627] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 46.971760][ T627] br_del_if (net/bridge/br_if.c:743) bridge 
[ 46.972128][ T627] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 46.972452][ T627] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 46.972776][ T627] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 46.973106][ T627] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 46.973513][ T627] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 46.973838][ T627] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 46.974156][ T627] ? __kernel_text_address (kernel/extable.c:79) 
[ 46.974477][ T627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.974816][ T627] ? __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) 
[ 46.975149][ T627] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 46.975543][ T627] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.975894][ T627] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.976214][ T627] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 46.976530][ T627] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 46.976860][ T627] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.977181][ T627] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 46.977499][ T627] ? __create_object (mm/kmemleak.c:771) 
[ 46.977833][ T627] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 46.978163][ T627] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.978481][ T627] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 46.978901][ T627] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 46.979233][ T627] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 46.979556][ T627] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.979895][ T627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.980233][ T627] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.980554][ T627] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 46.980879][ T627] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.981200][ T627] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.981517][ T627] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 46.981841][ T627] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.982165][ T627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.982492][ T627] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 46.982824][ T627] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.983144][ T627] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 46.983471][ T627] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 46.983786][ T627] ? 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) 
[ 46.984124][ T627] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 46.984454][ T627] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 46.984771][ T627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.985112][ T627] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 46.985437][ T627] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 46.985765][ T627] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 46.986102][ T627] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 46.986429][ T627] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 46.986744][ T627] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 46.987156][ T627] ___sys_sendmsg (net/socket.c:2670) 
[ 46.987476][ T627] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 46.987791][ T627] ? __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) 
[ 46.988206][ T627] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 46.988529][ T627] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.988858][ T627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.989182][ T627] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.989496][ T627] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 46.989817][ T627] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.990137][ T627] __sys_sendmsg (net/socket.c:2700) 
[ 46.990446][ T627] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 46.990846][ T627] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 46.991176][ T627] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.991493][ T627] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 46.991830][ T627] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.992239][  T627] RIP: 0033:0x7fcda51601e7
[ 46.992564][ T627] 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)
[   46.993687][  T627] RSP: 002b:00007ffd636f7018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   46.994176][  T627] RAX: ffffffffffffffda RBX: 00007ffd636f7740 RCX: 00007fcda51601e7
[   46.994655][  T627] RDX: 0000000000000000 RSI: 00007ffd636f7080 RDI: 0000000000000005
[   46.995140][  T627] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   46.995623][  T627] R10: 00007fcda505dee8 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