======================================
| [   18.918365][  T299] veth1: entered promiscuous mode
| [   18.921649][  T299] ------------[ cut here ]------------
| [ 18.922019][ T299] WARNING: CPU: 2 PID: 299 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) 
| [   18.922693][  T299] Modules linked in: bridge stp llc vrf veth
[   18.924228][  T299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.924638][ T299] 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) 
[ 18.924990][ T299] 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
[   18.926165][  T299] RSP: 0018:ffffc90000666ef0 EFLAGS: 00010246
[   18.926595][  T299] RAX: 0000000000000000 RBX: ffff88800c612000 RCX: 0000000000000001
[   18.927098][  T299] RDX: 0000000000000000 RSI: ffffffff9789b941 RDI: ffffffff970555e0
[   18.927604][  T299] RBP: ffffc90000666fe0 R08: 0000000000000000 R09: 0000000000000000
[   18.928095][  T299] R10: ffffc90000667010 R11: ffffffff986a8918 R12: 1ffff920000ccde2
[   18.928616][  T299] R13: 00000000000005dc R14: ffffc90000667010 R15: ffff88800c612f08
[   18.929205][  T299] FS:  00007f03f87df800(0000) GS:ffff888095bb7000(0000) knlGS:0000000000000000
[   18.930158][  T299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.930627][  T299] CR2: 00000000004e5aa8 CR3: 000000000d7ae005 CR4: 0000000000772ef0
[   18.931203][  T299] PKRU: 55555554
[   18.931494][  T299] Call Trace:
[   18.931805][  T299]  <TASK>
[ 18.932011][ T299] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 18.932382][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.932784][ T299] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 18.933151][ T299] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 18.933597][ T299] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 18.933980][ T299] netif_set_mtu (net/core/dev.c:9652) 
[ 18.934362][ T299] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 18.934760][ T299] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 18.935263][ T299] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 18.935554][ T299] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 18.936077][ T299] br_add_if (net/bridge/br_if.c:697) bridge 
[ 18.936503][ T299] do_set_master (net/core/rtnetlink.c:2948) 
[ 18.936908][ T299] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 18.937281][ T299] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 18.937759][ T299] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 18.938124][ T299] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 18.938485][ T299] ? __kernel_text_address (kernel/extable.c:79) 
[ 18.938865][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.939237][ T299] ? __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) 
[ 18.939611][ T299] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 18.940077][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.940452][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.940827][ T299] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 18.941203][ T299] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 18.941567][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.941943][ T299] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 18.942309][ T299] ? __create_object (mm/kmemleak.c:771) 
[ 18.942697][ T299] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 18.943076][ T299] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 18.943442][ T299] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.943914][ T299] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 18.944294][ T299] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 18.944678][ T299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.945077][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.945474][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.945863][ T299] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 18.946236][ T299] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.946599][ T299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.946966][ T299] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 18.947329][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.947699][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.948090][ T299] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 18.948452][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.948827][ T299] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 18.949200][ T299] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 18.949561][ T299] ? 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) 
[ 18.949932][ T299] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 18.950301][ T299] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 18.950671][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.951048][ T299] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 18.951412][ T299] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 18.951783][ T299] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 18.952154][ T299] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 18.952535][ T299] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 18.952924][ T299] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 18.953386][ T299] ___sys_sendmsg (net/socket.c:2670) 
[ 18.953785][ T299] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 18.954151][ T299] ? __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) 
[ 18.954601][ T299] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 18.955002][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.955386][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.955782][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.956164][ T299] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 18.956531][ T299] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.956938][ T299] __sys_sendmsg (net/socket.c:2700) 
[ 18.957312][ T299] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 18.957783][ T299] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 18.958162][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.958530][ T299] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.958916][ T299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.959370][  T299] RIP: 0033:0x7f03f89ac1e7
[ 18.959769][ T299] 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)
[   18.961081][  T299] RSP: 002b:00007ffe1744e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.961641][  T299] RAX: ffffffffffffffda RBX: 00007ffe1744e7f0 RCX: 00007f03f89ac1e7
[   18.962200][  T299] RDX: 0000000000000000 RSI: 00007ffe1744e130 RDI: 0000000000000005
[   18.962760][  T299] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   18.963325][  T299] R10: 0000000025bbf910 R11: 0000000000000246 R12: 0000000000000004
[   18.963898][  T299] R13: 00000000686e1616 R14: 0000000000499600 R15: 0000000000000000
| [   19.091061][  T301] ------------[ cut here ]------------
| [ 19.091397][ T301] WARNING: CPU: 2 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) 
| [   19.092038][  T301] Modules linked in: bridge stp llc vrf veth
| [   19.093167][  T301] Tainted: [W]=WARN
[   19.093420][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.093845][ 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) 
[ 19.094198][ 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
[   19.095375][  T301] RSP: 0018:ffffc90000566ef0 EFLAGS: 00010246
[   19.095811][  T301] RAX: 0000000000000000 RBX: ffff88800c612000 RCX: 0000000000000001
[   19.096353][  T301] RDX: 0000000000000000 RSI: ffffffff9789b941 RDI: ffffffff970555e0
[   19.096869][  T301] RBP: ffffc90000566fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.097369][  T301] R10: ffffc90000567010 R11: ffffffff986a8918 R12: 1ffff920000acde2
[   19.097877][  T301] R13: 00000000000005dc R14: ffffc90000567010 R15: ffff88800c612f08
[   19.098374][  T301] FS:  00007f911b4e5800(0000) GS:ffff888095bb7000(0000) knlGS:0000000000000000
[   19.098964][  T301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.099382][  T301] CR2: 00000000004e5ab0 CR3: 000000000d733006 CR4: 0000000000772ef0
[   19.099897][  T301] PKRU: 55555554
[   19.100177][  T301] Call Trace:
[   19.100450][  T301]  <TASK>
[ 19.100632][ T301] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.100988][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.101337][ T301] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.101676][ T301] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.102116][ T301] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.102465][ T301] netif_set_mtu (net/core/dev.c:9652) 
[ 19.102829][ T301] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.103177][ T301] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.103647][ T301] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.103935][ T301] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.104446][ T301] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.104881][ T301] do_set_master (net/core/rtnetlink.c:2948) 
[ 19.105235][ T301] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.105577][ T301] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.106015][ T301] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.106355][ T301] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.106697][ T301] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.107050][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.107392][ 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) 
[ 19.107744][ T301] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.108181][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.108538][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.108896][ T301] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.109234][ T301] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.109567][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.109917][ T301] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.110257][ T301] ? __create_object (mm/kmemleak.c:771) 
[ 19.110596][ T301] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.110945][ T301] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.111284][ T301] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.111725][ T301] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.112067][ T301] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.112448][ T301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.112821][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.113172][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.113515][ T301] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.113871][ T301] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.114215][ T301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.114550][ T301] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.114911][ T301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.115254][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.115601][ T301] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.115952][ T301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.116336][ T301] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.116687][ T301] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.117038][ 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) 
[ 19.117378][ T301] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.117725][ T301] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.118067][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.118419][ T301] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.118767][ T301] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.119107][ T301] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.119450][ T301] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.119801][ T301] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.120161][ T301] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.120607][ T301] ___sys_sendmsg (net/socket.c:2670) 
[ 19.120957][ T301] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.121297][ 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) 
[ 19.121728][ T301] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.122070][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.122413][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.123003][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.123789][ 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) 
[ 19.124143][ T301] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.124749][ T301] __sys_sendmsg (net/socket.c:2700) 
[ 19.125093][ T301] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.125739][ T301] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.126087][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.126425][ T301] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.126773][ T301] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.127191][  T301] RIP: 0033:0x7f911b6b21e7
[ 19.127534][ 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)
[   19.128977][  T301] RSP: 002b:00007ffefffe2a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.129475][  T301] RAX: ffffffffffffffda RBX: 00007ffefffe3150 RCX: 00007f911b6b21e7
[   19.130204][  T301] RDX: 0000000000000000 RSI: 00007ffefffe2a90 RDI: 0000000000000005
[   19.130718][  T301] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.131212][  T301] R10: 0000000003956910 R11: 0000000000000246 R12: 0000000000000004


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