======================================
| [   21.201200][  T320] veth1: entered promiscuous mode
| [   21.203501][  T320] ------------[ cut here ]------------
| [ 21.203840][ T320] WARNING: CPU: 0 PID: 320 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) 
| [   21.204460][  T320] Modules linked in: bridge stp llc sch_ingress vrf veth
[   21.205530][  T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.205941][ T320] 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) 
[ 21.206265][ T320] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   21.207380][  T320] RSP: 0018:ffffc900005a6ef0 EFLAGS: 00010246
[   21.207791][  T320] RAX: 0000000000000000 RBX: ffff888005002000 RCX: 0000000000000001
[   21.208476][  T320] RDX: 0000000000000000 RSI: ffffffffbbc9b939 RDI: ffffffffbb4555e0
[   21.208979][  T320] RBP: ffffc900005a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.209444][  T320] R10: ffffc900005a7010 R11: ffffffffbcaa8918 R12: 1ffff920000b4de2
[   21.209964][  T320] R13: 00000000000005dc R14: ffffc900005a7010 R15: ffff888005002f08
[   21.210443][  T320] FS:  00007f6834fd9800(0000) GS:ffff8880784b7000(0000) knlGS:0000000000000000
[   21.210988][  T320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.211377][  T320] CR2: 00000000004e5aa8 CR3: 000000000e418006 CR4: 0000000000772ef0
[   21.211871][  T320] PKRU: 55555554
[   21.212107][  T320] Call Trace:
[   21.212339][  T320]  <TASK>
[ 21.212510][ T320] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.212834][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.213146][ T320] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.213460][ T320] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.213863][ T320] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.214181][ T320] netif_set_mtu (net/core/dev.c:9652) 
[ 21.214500][ T320] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.214827][ T320] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.215259][ T320] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.215495][ T320] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.215924][ T320] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.216278][ T320] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 21.216599][ T320] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.216943][ T320] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.217331][ T320] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.217640][ T320] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.217957][ T320] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.218270][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.218581][ T320] ? __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) 
[ 21.218912][ T320] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.219296][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.219607][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.219952][ T320] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.220262][ T320] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.220570][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.220891][ T320] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.221195][ T320] ? __create_object (mm/kmemleak.c:771) 
[ 21.221508][ T320] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.221829][ T320] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.222135][ T320] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.222516][ T320] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.222841][ T320] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.223152][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.223457][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.223797][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.224103][ T320] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.224403][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.224710][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.225025][ T320] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.225332][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.225654][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.225987][ T320] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.226310][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.226624][ T320] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.226956][ T320] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.227261][ T320] ? 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) 
[ 21.227571][ T320] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.227911][ T320] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.228224][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.228545][ T320] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.228880][ T320] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.229193][ T320] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.229515][ T320] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.229866][ T320] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.230187][ T320] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.230588][ T320] ___sys_sendmsg (net/socket.c:2670) 
[ 21.230910][ T320] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.231224][ T320] ? __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) 
[ 21.231619][ T320] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.231947][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.232275][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.232610][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.232942][ T320] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.233260][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.233584][ T320] __sys_sendmsg (net/socket.c:2700) 
[ 21.233909][ T320] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.234302][ T320] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.234629][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.234956][ T320] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.235270][ T320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.235665][  T320] RIP: 0033:0x7f68351a61e7
[ 21.236017][ T320] 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)
[   21.237125][  T320] RSP: 002b:00007ffc8b3db138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.237592][  T320] RAX: ffffffffffffffda RBX: 00007ffc8b3db860 RCX: 00007f68351a61e7
[   21.238087][  T320] RDX: 0000000000000000 RSI: 00007ffc8b3db1a0 RDI: 0000000000000005
[   21.238554][  T320] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.239029][  T320] R10: 00000000108db910 R11: 0000000000000246 R12: 0000000000000004
[   21.239522][  T320] R13: 00000000686e66ab R14: 0000000000499600 R15: 0000000000000000
| [   21.457112][  T322] ------------[ cut here ]------------
| [ 21.457464][ T322] WARNING: CPU: 2 PID: 322 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) 
| [   21.458115][  T322] Modules linked in: bridge stp llc sch_ingress vrf veth
| [   21.459188][  T322] Tainted: [W]=WARN
[   21.459448][  T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.459870][ T322] 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) 
[ 21.460206][ T322] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   21.461327][  T322] RSP: 0018:ffffc90000606ef0 EFLAGS: 00010246
[   21.461735][  T322] RAX: 0000000000000000 RBX: ffff888005002000 RCX: 0000000000000001
[   21.462222][  T322] RDX: 0000000000000000 RSI: ffffffffbbc9b939 RDI: ffffffffbb4555e0
[   21.462690][  T322] RBP: ffffc90000606fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.463169][  T322] R10: ffffc90000607010 R11: ffffffffbcaa8918 R12: 1ffff920000c0de2
[   21.463645][  T322] R13: 00000000000005dc R14: ffffc90000607010 R15: ffff888005002f08
[   21.464134][  T322] FS:  00007faebeeb2800(0000) GS:ffff8880785b7000(0000) knlGS:0000000000000000
[   21.464681][  T322] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.465229][  T322] CR2: 00000000004e5ab0 CR3: 000000000e436005 CR4: 0000000000772ef0
[   21.465708][  T322] PKRU: 55555554
[   21.465962][  T322] Call Trace:
[   21.466208][  T322]  <TASK>
[ 21.466387][ T322] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.466707][ T322] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.467048][ T322] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.467368][ T322] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.467780][ T322] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.468106][ T322] netif_set_mtu (net/core/dev.c:9652) 
[ 21.468433][ T322] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.468785][ T322] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.469242][ T322] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.469493][ T322] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.469956][ T322] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.470321][ T322] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 21.470651][ T322] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.470992][ T322] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.471401][ T322] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.471723][ T322] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.472055][ T322] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.472385][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.472711][ T322] ? __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) 
[ 21.473062][ T322] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.473462][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.473797][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.474121][ T322] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.474438][ T322] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.474771][ T322] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.475094][ T322] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.475415][ T322] ? __create_object (mm/kmemleak.c:771) 
[ 21.475739][ T322] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.476071][ T322] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.476398][ T322] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.476805][ T322] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.477137][ T322] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.477464][ T322] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.477795][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.478129][ T322] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.478451][ T322] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.478787][ T322] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.479214][ T322] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.479541][ T322] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.479888][ T322] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.480214][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.480538][ T322] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.480870][ T322] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.481191][ T322] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.481560][ T322] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.481893][ T322] ? 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) 
[ 21.482218][ T322] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.482544][ T322] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.482874][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.483203][ T322] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.483527][ T322] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.483862][ T322] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.484190][ T322] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.484516][ T322] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.484850][ T322] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.485265][ T322] ___sys_sendmsg (net/socket.c:2670) 
[ 21.485580][ T322] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.485909][ T322] ? __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) 
[ 21.486309][ T322] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.486633][ T322] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.486966][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.487293][ T322] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.487614][ T322] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.487944][ T322] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.488271][ T322] __sys_sendmsg (net/socket.c:2700) 
[ 21.488593][ T322] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.488995][ T322] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.489329][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.489647][ T322] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.489990][ T322] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.490386][  T322] RIP: 0033:0x7faebf07f1e7
[ 21.490720][ T322] 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)
[   21.491842][  T322] RSP: 002b:00007fff59e84718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.492319][  T322] RAX: ffffffffffffffda RBX: 00007fff59e84e40 RCX: 00007faebf07f1e7
[   21.492803][  T322] RDX: 0000000000000000 RSI: 00007fff59e84780 RDI: 0000000000000005
[   21.493285][  T322] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.493770][  T322] R10: 000000002265c910 R11: 0000000000000246 R12: 0000000000000004


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