======================================
| [   19.557702][  T316] veth1: entered promiscuous mode
| [   19.559297][  T316] ------------[ cut here ]------------
| [ 19.559724][ T316] WARNING: CPU: 0 PID: 316 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) 
| [   19.560446][  T316] Modules linked in: bridge stp llc 8021q vrf veth
[   19.561638][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.562088][ T316] 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) 
[ 19.562474][ T316] 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
[   19.563772][  T316] RSP: 0018:ffffc90000a36ef0 EFLAGS: 00010246
[   19.564239][  T316] RAX: 0000000000000000 RBX: ffff888005b92000 RCX: 0000000000000001
[   19.564788][  T316] RDX: 0000000000000000 RSI: ffffffffa5e9b941 RDI: ffffffffa56555e0
[   19.565362][  T316] RBP: ffffc90000a36fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.566098][  T316] R10: ffffc90000a37010 R11: ffffffffa6ca8918 R12: 1ffff92000146de2
[   19.566655][  T316] R13: 00000000000005dc R14: ffffc90000a37010 R15: ffff888005b92f08
[   19.567201][  T316] FS:  00007f1a25290800(0000) GS:ffff88808e2b7000(0000) knlGS:0000000000000000
[   19.567834][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.568384][  T316] CR2: 00000000004e5aa8 CR3: 0000000012c58004 CR4: 0000000000772ef0
[   19.568939][  T316] PKRU: 55555554
[   19.569203][  T316] Call Trace:
[   19.569491][  T316]  <TASK>
[ 19.569676][ T316] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.570052][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.570423][ T316] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.570783][ T316] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.571254][ T316] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.571634][ T316] netif_set_mtu (net/core/dev.c:9652) 
[ 19.571991][ T316] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.572376][ T316] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.572861][ T316] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.573128][ T316] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.573618][ T316] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.574017][ T316] do_set_master (net/core/rtnetlink.c:2948) 
[ 19.574386][ T316] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.574748][ T316] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.575203][ T316] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.575560][ T316] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.575908][ T316] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.576277][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.576639][ T316] ? __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) 
[ 19.576997][ T316] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.577441][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.577792][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.578137][ T316] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.578492][ T316] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.578848][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.579195][ T316] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.579549][ T316] ? __create_object (mm/kmemleak.c:771) 
[ 19.579903][ T316] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.580253][ T316] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.580611][ T316] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.581045][ T316] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.581415][ T316] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.581769][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.582117][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.582480][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.582830][ T316] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.583178][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.583541][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.583890][ T316] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.584244][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.584624][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.584996][ T316] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.585367][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.585721][ T316] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.586084][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.586443][ T316] ? 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) 
[ 19.586803][ T316] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.587159][ T316] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.587527][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.587883][ T316] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.588239][ T316] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.588597][ T316] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.588952][ T316] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.589302][ T316] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.589669][ T316] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.590122][ T316] ___sys_sendmsg (net/socket.c:2670) 
[ 19.590718][ T316] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.591069][ T316] ? __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) 
[ 19.591515][ T316] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.591874][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.592237][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.592610][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.592969][ T316] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.593328][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.593703][ T316] __sys_sendmsg (net/socket.c:2700) 
[ 19.594358][ T316] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.594802][ T316] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.595180][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.595555][ T316] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.595909][ T316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.596367][  T316] RIP: 0033:0x7f1a2545d1e7
[ 19.596748][ T316] 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)
[   19.598022][  T316] RSP: 002b:00007ffeeb28fb18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.598582][  T316] RAX: ffffffffffffffda RBX: 00007ffeeb290240 RCX: 00007f1a2545d1e7
[   19.599112][  T316] RDX: 0000000000000000 RSI: 00007ffeeb28fb80 RDI: 0000000000000005
[   19.599893][  T316] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.600894][  T316] R10: 000000001be35910 R11: 0000000000000246 R12: 0000000000000004
[   19.601431][  T316] R13: 00000000686e16cf R14: 0000000000499600 R15: 0000000000000000
| [   19.758626][  T317] ------------[ cut here ]------------
| [ 19.758973][ T317] WARNING: CPU: 2 PID: 317 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) 
| [   19.759713][  T317] Modules linked in: bridge stp llc 8021q vrf veth
| [   19.760781][  T317] Tainted: [W]=WARN
[   19.761031][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.761452][ T317] 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) 
[ 19.761785][ T317] 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
[   19.762926][  T317] RSP: 0018:ffffc900005c6ef0 EFLAGS: 00010246
[   19.763346][  T317] RAX: 0000000000000000 RBX: ffff888005b92000 RCX: 0000000000000001
[   19.763821][  T317] RDX: 0000000000000000 RSI: ffffffffa5e9b941 RDI: ffffffffa56555e0
[   19.764292][  T317] RBP: ffffc900005c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.764788][  T317] R10: ffffc900005c7010 R11: ffffffffa6ca8918 R12: 1ffff920000b8de2
[   19.765272][  T317] R13: 00000000000005dc R14: ffffc900005c7010 R15: ffff888005b92f08
[   19.765759][  T317] FS:  00007f23cecd4800(0000) GS:ffff88808e3b7000(0000) knlGS:0000000000000000
[   19.766309][  T317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.766750][  T317] CR2: 00000000004e5ab0 CR3: 00000000150ab001 CR4: 0000000000772ef0
[   19.767226][  T317] PKRU: 55555554
[   19.767486][  T317] Call Trace:
[   19.767729][  T317]  <TASK>
[ 19.767903][ T317] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.768225][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.768563][ T317] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.768885][ T317] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.769283][ T317] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.769619][ T317] netif_set_mtu (net/core/dev.c:9652) 
[ 19.769940][ T317] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.770269][ T317] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.770744][ T317] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.771000][ T317] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.771462][ T317] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.771837][ T317] do_set_master (net/core/rtnetlink.c:2948) 
[ 19.772163][ T317] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.772501][ T317] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.772899][ T317] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.773219][ T317] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.773548][ T317] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.773881][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.774207][ T317] ? __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) 
[ 19.774555][ T317] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.774959][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.775352][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.775676][ T317] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.775993][ T317] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.776313][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.776654][ T317] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.776969][ T317] ? __create_object (mm/kmemleak.c:771) 
[ 19.777291][ T317] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.777624][ T317] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.777945][ T317] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.778365][ T317] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.778701][ T317] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.779032][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.779362][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.779690][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.780010][ T317] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.780324][ T317] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.780658][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.780975][ T317] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.781296][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.781636][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.781961][ T317] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.782278][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.782631][ T317] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.782965][ T317] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.783284][ T317] ? 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) 
[ 19.783613][ T317] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.783941][ T317] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.784257][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.784595][ T317] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.784917][ T317] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.785252][ T317] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.785587][ T317] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.785910][ T317] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.786230][ T317] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.786659][ T317] ___sys_sendmsg (net/socket.c:2670) 
[ 19.786975][ T317] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.787293][ T317] ? __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) 
[ 19.787695][ T317] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.788018][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.788350][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.788690][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.789010][ T317] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.789333][ T317] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.789673][ T317] __sys_sendmsg (net/socket.c:2700) 
[ 19.789989][ T317] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.790410][ T317] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.790744][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.791063][ T317] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.791396][ T317] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.791784][  T317] RIP: 0033:0x7f23ceea11e7
[ 19.792115][ T317] 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)
[   19.793221][  T317] RSP: 002b:00007ffc02d38738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.793707][  T317] RAX: ffffffffffffffda RBX: 00007ffc02d38e60 RCX: 00007f23ceea11e7
[   19.794175][  T317] RDX: 0000000000000000 RSI: 00007ffc02d387a0 RDI: 0000000000000005
[   19.794671][  T317] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.795154][  T317] R10: 0000000024178910 R11: 0000000000000246 R12: 0000000000000004
[   19.795637][  T317] R13: 00000000686e16cf R14: 0000000000499600 R15: 0000000000000000
| [   30.659939][  T380] ------------[ cut here ]------------
| [ 30.660311][ T380] WARNING: CPU: 2 PID: 380 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) 
| [   30.660964][  T380] Modules linked in: bridge stp llc 8021q vrf veth
| [   30.662030][  T380] Tainted: [W]=WARN
[   30.662278][  T380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.662686][ T380] 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) 
[ 30.663021][ T380] 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
[   30.664332][  T380] RSP: 0018:ffffc90000856f70 EFLAGS: 00010246
[   30.664749][  T380] RAX: 0000000000000000 RBX: ffff888005b92000 RCX: 0000000000000001
[   30.665240][  T380] RDX: 0000000000000000 RSI: ffffffffa5e9b941 RDI: ffffffffa56555e0
[   30.665734][  T380] RBP: ffffc90000857058 R08: 0000000000000000 R09: 0000000000000000
[   30.666219][  T380] R10: ffffc90000857088 R11: ffffffffa2200130 R12: 1ffff9200010adf2
[   30.666708][  T380] R13: 00000000000005dc R14: ffffc90000857088 R15: ffff888005b92f08
[   30.667190][  T380] FS:  00007fdb90d26800(0000) GS:ffff88808e3b7000(0000) knlGS:0000000000000000
[   30.667763][  T380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.668187][  T380] CR2: 00000000004e5ab0 CR3: 0000000012c35004 CR4: 0000000000772ef0
[   30.668714][  T380] PKRU: 55555554
[   30.668971][  T380] Call Trace:
[   30.669222][  T380]  <TASK>
[ 30.669406][ T380] ? __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) 
[ 30.669816][ T380] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 30.670184][ T380] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 30.670515][ T380] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.670835][ T380] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.671152][ T380] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.671503][ T380] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.671823][ T380] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.672146][ T380] ? ___sys_sendmsg (net/socket.c:2670) 
[ 30.672473][ T380] ? __sys_sendmsg (net/socket.c:2700) 
[ 30.672788][ T380] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.673110][ T380] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 30.673514][ T380] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.673848][ T380] netif_set_mtu (net/core/dev.c:9652) 
[ 30.674170][ T380] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.674529][ T380] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.674775][ T380] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.675230][ T380] br_del_if (net/bridge/br_if.c:743) bridge 
[ 30.675634][ T380] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 30.675966][ T380] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 30.676302][ T380] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.676642][ T380] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.677052][ T380] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.677380][ T380] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.677700][ T380] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.678026][ T380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.678360][ T380] ? __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) 
[ 30.678689][ T380] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.679119][ T380] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.679452][ T380] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.679775][ T380] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.680091][ T380] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.680421][ T380] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.680740][ T380] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.681055][ T380] ? __create_object (mm/kmemleak.c:771) 
[ 30.681395][ T380] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.681715][ T380] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.682039][ T380] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.682451][ T380] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.682774][ T380] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.683098][ T380] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.683426][ T380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.683757][ T380] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.684075][ T380] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.684401][ T380] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.684722][ T380] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.685052][ T380] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.685381][ T380] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.685706][ T380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.686027][ T380] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.686364][ T380] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.686683][ T380] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.687013][ T380] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.687394][ T380] ? 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) 
[ 30.687736][ T380] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.688080][ T380] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.688426][ T380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.688773][ T380] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.689120][ T380] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.689465][ T380] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.689814][ T380] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.690155][ T380] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.690501][ T380] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.690925][ T380] ___sys_sendmsg (net/socket.c:2670) 
[ 30.691265][ T380] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.691601][ T380] ? __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) 
[ 30.692018][ T380] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.692367][ T380] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.692705][ T380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.693046][ T380] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.693386][ T380] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.693735][ T380] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.694077][ T380] __sys_sendmsg (net/socket.c:2700) 
[ 30.694426][ T380] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.694845][ T380] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.695195][ T380] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.695548][ T380] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.695886][ T380] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.696332][  T380] RIP: 0033:0x7fdb90ef31e7
[ 30.696687][ T380] 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)
[   30.697796][  T380] RSP: 002b:00007ffd22337948 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.698271][  T380] RAX: ffffffffffffffda RBX: 00007ffd22338070 RCX: 00007fdb90ef31e7
[   30.698767][  T380] RDX: 0000000000000000 RSI: 00007ffd223379b0 RDI: 0000000000000005
[   30.699243][  T380] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   30.699725][  T380] R10: 00007fdb90df0ee8 R11: 0000000000000246 R12: 0000000000000003
[   30.700197][  T380] R13: 00000000686e16da R14: 0000000000499600 R15: 0000000000000000
| [   30.852134][  T381] ------------[ cut here ]------------
| [ 30.852483][ T381] WARNING: CPU: 1 PID: 381 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) 
| [   30.853101][  T381] Modules linked in: bridge stp llc 8021q vrf veth
| [   30.854170][  T381] Tainted: [W]=WARN
[   30.854412][  T381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.854797][ T381] 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) 
[ 30.855142][ T381] 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
[   30.856477][  T381] RSP: 0018:ffffc90000866f70 EFLAGS: 00010246
[   30.857185][  T381] RAX: 0000000000000000 RBX: ffff888005b92000 RCX: 0000000000000001
[   30.857846][  T381] RDX: 0000000000000000 RSI: ffffffffa5e9b941 RDI: ffffffffa56555e0
[   30.858323][  T381] RBP: ffffc90000867058 R08: 0000000000000000 R09: 0000000000000000
[   30.858807][  T381] R10: ffffc90000867088 R11: ffffffffa6379160 R12: 1ffff9200010cdf2
[   30.859279][  T381] R13: 00000000000005dc R14: ffffc90000867088 R15: ffff888005b92f08
[   30.859753][  T381] FS:  00007f1241a64800(0000) GS:ffff88808e337000(0000) knlGS:0000000000000000
[   30.860309][  T381] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.860728][  T381] CR2: 00000000004e5aa8 CR3: 0000000010317004 CR4: 0000000000772ef0
[   30.861202][  T381] PKRU: 55555554
[   30.861446][  T381] Call Trace:
[   30.861676][  T381]  <TASK>
[ 30.861832][ T381] ? __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) 
[ 30.862242][ T381] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 30.862607][ T381] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 30.862916][ T381] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.863244][ T381] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.863566][ T381] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.863872][ T381] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.864310][ T381] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.864926][ T381] ? ___sys_sendmsg (net/socket.c:2670) 
[ 30.865372][ T381] ? __sys_sendmsg (net/socket.c:2700) 
[ 30.865686][ T381] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.865990][ T381] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 30.866412][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.866731][ T381] netif_set_mtu (net/core/dev.c:9652) 
[ 30.867046][ T381] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.867386][ T381] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.867622][ T381] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.868069][ T381] br_del_if (net/bridge/br_if.c:743) bridge 
[ 30.868444][ T381] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 30.868763][ T381] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 30.869088][ T381] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.869415][ T381] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.869816][ T381] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.870137][ T381] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.870455][ T381] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.870767][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.871095][ T381] ? __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) 
[ 30.871417][ T381] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.871808][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.872142][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.872473][ T381] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.872778][ T381] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.873168][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.873751][ T381] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.874291][ T381] ? __create_object (mm/kmemleak.c:771) 
[ 30.874615][ T381] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.874926][ T381] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.875258][ T381] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.875656][ T381] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.875980][ T381] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.876310][ T381] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.876644][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.876962][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.877291][ T381] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.877610][ T381] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.877925][ T381] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.878242][ T381] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.878566][ T381] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.878881][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.879215][ T381] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.879539][ T381] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.879847][ T381] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.880306][ T381] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.880721][ T381] ? 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) 
[ 30.881045][ T381] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.881372][ T381] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.881694][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.882019][ T381] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.882354][ T381] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.882664][ T381] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.882977][ T381] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.883300][ T381] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.883620][ T381] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.884031][ T381] ___sys_sendmsg (net/socket.c:2670) 
[ 30.884372][ T381] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.884679][ T381] ? __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) 
[ 30.885094][ T381] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.885421][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.885736][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.886060][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.886384][ T381] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.886691][ T381] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.887009][ T381] __sys_sendmsg (net/socket.c:2700) 
[ 30.887325][ T381] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.887729][ T381] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.888056][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.888393][ T381] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.888715][ T381] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.889105][  T381] RIP: 0033:0x7f1241c311e7
[ 30.889432][ T381] 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)
[   30.890544][  T381] RSP: 002b:00007ffdf34e5948 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.891031][  T381] RAX: ffffffffffffffda RBX: 00007ffdf34e6070 RCX: 00007f1241c311e7
[   30.891511][  T381] RDX: 0000000000000000 RSI: 00007ffdf34e59b0 RDI: 0000000000000005
[   30.891970][  T381] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   30.892466][  T381] R10: 00007f1241b2eee8 R11: 0000000000000246 R12: 0000000000000003
[   30.892935][  T381] R13: 00000000686e16da R14: 0000000000499600 R15: 0000000000000000
| [   33.192100][  T383] ------------[ cut here ]------------
| [ 33.192447][ T383] WARNING: CPU: 2 PID: 383 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) 
| [   33.193069][  T383] Modules linked in: bridge stp llc 8021q vrf veth
| [   33.194151][  T383] Tainted: [W]=WARN
[   33.194410][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.194806][ T383] 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) 
[ 33.195155][ T383] 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
[   33.196265][  T383] RSP: 0018:ffffc90000886ef0 EFLAGS: 00010246
[   33.196681][  T383] RAX: 0000000000000000 RBX: ffff888005b92000 RCX: 0000000000000001
[   33.197154][  T383] RDX: 0000000000000000 RSI: ffffffffa5e9b941 RDI: ffffffffa56555e0
[   33.197643][  T383] RBP: ffffc90000886fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.198143][  T383] R10: ffffc90000887010 R11: ffffffffa6ca8918 R12: 1ffff92000110de2
[   33.200263][  T383] R13: 00000000000005dc R14: ffffc90000887010 R15: ffff888005b92f08
[   33.200752][  T383] FS:  00007fc3607cb800(0000) GS:ffff88808e3b7000(0000) knlGS:0000000000000000
[   33.201312][  T383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.201732][  T383] CR2: 00000000004e5aa8 CR3: 000000000567a002 CR4: 0000000000772ef0
[   33.202217][  T383] PKRU: 55555554
[   33.202477][  T383] Call Trace:
[   33.202726][  T383]  <TASK>
[ 33.202898][ T383] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.203223][ T383] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.203563][ T383] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 33.203890][ T383] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 33.204297][ T383] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 33.204631][ T383] netif_set_mtu (net/core/dev.c:9652) 
[ 33.204960][ T383] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.205297][ T383] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 33.205765][ T383] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.206013][ T383] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.206458][ T383] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.206831][ T383] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.207153][ T383] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.207488][ T383] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.207895][ T383] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.208216][ T383] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.208546][ T383] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.208865][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.209192][ T383] ? __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) 
[ 33.209530][ T383] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.209928][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.210250][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.210582][ T383] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.210897][ T383] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.211218][ T383] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.211552][ T383] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.211867][ T383] ? __create_object (mm/kmemleak.c:771) 
[ 33.212189][ T383] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.212522][ T383] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.212840][ T383] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.213231][ T383] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.213576][ T383] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.213901][ T383] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.214220][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.214561][ T383] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.214880][ T383] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.215206][ T383] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.215541][ T383] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.215863][ T383] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.216181][ T383] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.216514][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.216835][ T383] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.217162][ T383] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.217504][ T383] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.217935][ T383] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.218256][ T383] ? 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) 
[ 33.218585][ T383] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.218912][ T383] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.219227][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.219563][ T383] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.219883][ T383] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.220200][ T383] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.220536][ T383] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.220862][ T383] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.221176][ T383] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.221607][ T383] ___sys_sendmsg (net/socket.c:2670) 
[ 33.221941][ T383] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.222283][ T383] ? __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) 
[ 33.222688][ T383] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.223010][ T383] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.223328][ T383] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.223660][ T383] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.223987][ T383] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.224303][ T383] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.224637][ T383] __sys_sendmsg (net/socket.c:2700) 
[ 33.224953][ T383] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.225370][ T383] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.225704][ T383] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.226021][ T383] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.226355][ T383] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.226745][  T383] RIP: 0033:0x7fc3609981e7
[ 33.227081][ T383] 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)
[   33.228186][  T383] RSP: 002b:00007ffe66a00a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.228680][  T383] RAX: ffffffffffffffda RBX: 00007ffe66a011a0 RCX: 00007fc3609981e7
[   33.229149][  T383] RDX: 0000000000000000 RSI: 00007ffe66a00ae0 RDI: 0000000000000005
[   33.229633][  T383] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.230108][  T383] R10: 000000000fb59910 R11: 0000000000000246 R12: 0000000000000004
[   33.230597][  T383] R13: 00000000686e16dd R14: 0000000000499600 R15: 0000000000000000
| [   33.365702][  T384] ------------[ cut here ]------------
| [ 33.366016][ T384] WARNING: CPU: 3 PID: 384 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) 
| [   33.366621][  T384] Modules linked in: bridge stp llc 8021q vrf veth
| [   33.367688][  T384] Tainted: [W]=WARN
[   33.367926][  T384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.368304][ T384] 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) 
[ 33.368625][ T384] 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
[   33.369724][  T384] RSP: 0018:ffffc90000896ef0 EFLAGS: 00010246
[   33.370108][  T384] RAX: 0000000000000000 RBX: ffff888005b92000 RCX: 0000000000000001
[   33.370570][  T384] RDX: 0000000000000000 RSI: ffffffffa5e9b941 RDI: ffffffffa56555e0
[   33.371031][  T384] RBP: ffffc90000896fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.371502][  T384] R10: ffffc90000897010 R11: ffffffffa6ca8918 R12: 1ffff92000112de2
[   33.371964][  T384] R13: 00000000000005dc R14: ffffc90000897010 R15: ffff888005b92f08
[   33.372435][  T384] FS:  00007f4a4b9e5800(0000) GS:ffff88808e437000(0000) knlGS:0000000000000000
[   33.373071][  T384] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.373464][  T384] CR2: 00000000004e5ab0 CR3: 0000000011713001 CR4: 0000000000772ef0
[   33.373925][  T384] PKRU: 55555554
[   33.374153][  T384] Call Trace:
[   33.374390][  T384]  <TASK>
[ 33.374549][ T384] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.374852][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.375187][ T384] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 33.375514][ T384] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 33.375895][ T384] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 33.376200][ T384] netif_set_mtu (net/core/dev.c:9652) 
[ 33.376514][ T384] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.376829][ T384] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 33.377260][ T384] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.377506][ T384] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.377922][ T384] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.378274][ T384] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.378610][ T384] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.378920][ T384] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.379306][ T384] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.379633][ T384] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.379948][ T384] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.380256][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.380571][ T384] ? __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) 
[ 33.380874][ T384] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.381247][ T384] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.381561][ T384] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.381864][ T384] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.382171][ T384] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.382482][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.382787][ T384] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.383087][ T384] ? __create_object (mm/kmemleak.c:771) 
[ 33.383412][ T384] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.383729][ T384] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.384031][ T384] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.384421][ T384] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.384732][ T384] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.385050][ T384] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.385364][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.385672][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.385975][ T384] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.386276][ T384] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.386588][ T384] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.386896][ T384] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.387200][ T384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.387529][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.387844][ T384] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.388147][ T384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.388460][ T384] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.388775][ T384] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.389085][ T384] ? 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) 
[ 33.389397][ T384] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.389703][ T384] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.390004][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.390313][ T384] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.390625][ T384] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.390930][ T384] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.391245][ T384] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.391571][ T384] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.391877][ T384] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.392269][ T384] ___sys_sendmsg (net/socket.c:2670) 
[ 33.392575][ T384] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.392878][ T384] ? __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) 
[ 33.393258][ T384] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.393580][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.393887][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.394194][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.394506][ T384] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.394811][ T384] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.395134][ T384] __sys_sendmsg (net/socket.c:2700) 
[ 33.395452][ T384] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.395827][ T384] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.396150][ T384] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.396464][ T384] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.396767][ T384] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.397144][  T384] RIP: 0033:0x7f4a4bbb21e7
[ 33.397471][ T384] 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)
[   33.398569][  T384] RSP: 002b:00007ffdc3cdfda8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.399031][  T384] RAX: ffffffffffffffda RBX: 00007ffdc3ce04d0 RCX: 00007f4a4bbb21e7
[   33.399506][  T384] RDX: 0000000000000000 RSI: 00007ffdc3cdfe10 RDI: 0000000000000005
[   33.399969][  T384] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.400440][  T384] R10: 0000000007f2d910 R11: 0000000000000246 R12: 0000000000000004
[   33.400896][  T384] R13: 00000000686e16dd R14: 0000000000499600 R15: 0000000000000000
| [   37.531039][  T429] ------------[ cut here ]------------
| [ 37.531389][ T429] WARNING: CPU: 2 PID: 429 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) 
| [   37.532011][  T429] Modules linked in: bridge stp llc 8021q vrf veth
| [   37.533061][  T429] Tainted: [W]=WARN
[   37.533306][  T429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.533706][ T429] 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) 
[ 37.534033][ T429] 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
[   37.535311][  T429] RSP: 0018:ffffc90000bb6f70 EFLAGS: 00010246
[   37.535922][  T429] RAX: 0000000000000000 RBX: ffff888005b92000 RCX: 0000000000000001
[   37.536569][  T429] RDX: 0000000000000000 RSI: ffffffffa5e9b941 RDI: ffffffffa56555e0
[   37.537178][  T429] RBP: ffffc90000bb7058 R08: 0000000000000000 R09: 0000000000000000
[   37.537732][  T429] R10: ffffc90000bb7088 R11: ffffffffa6379160 R12: 1ffff92000176df2
[   37.538205][  T429] R13: 00000000000005dc R14: ffffc90000bb7088 R15: ffff888005b92f08
[   37.538686][  T429] FS:  00007fe075d10800(0000) GS:ffff88808e3b7000(0000) knlGS:0000000000000000
[   37.539229][  T429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.539635][  T429] CR2: 00000000004e5ab0 CR3: 00000000150c2004 CR4: 0000000000772ef0
[   37.540108][  T429] PKRU: 55555554
[   37.540360][  T429] Call Trace:
[   37.540607][  T429]  <TASK>
[ 37.540772][ T429] ? __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) 
[ 37.541171][ T429] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 37.541557][ T429] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 37.541887][ T429] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.542204][ T429] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.542537][ T429] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.542854][ T429] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.543169][ T429] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.543499][ T429] ? ___sys_sendmsg (net/socket.c:2670) 
[ 37.543822][ T429] ? __sys_sendmsg (net/socket.c:2700) 
[ 37.544141][ T429] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.544472][ T429] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 37.544860][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.545192][ T429] netif_set_mtu (net/core/dev.c:9652) 
[ 37.545536][ T429] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.545874][ T429] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.546119][ T429] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 37.546568][ T429] br_del_if (net/bridge/br_if.c:743) bridge 
[ 37.546931][ T429] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 37.547256][ T429] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 37.547599][ T429] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.547924][ T429] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.548324][ T429] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.548660][ T429] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.548980][ T429] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.549305][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.549658][ T429] ? __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) 
[ 37.549989][ T429] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.550391][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.550723][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.551035][ T429] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.551383][ T429] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.551700][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.552017][ T429] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.552333][ T429] ? __create_object (mm/kmemleak.c:771) 
[ 37.552666][ T429] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.552982][ T429] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.553306][ T429] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.553718][ T429] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.554049][ T429] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.554381][ T429] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.554698][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.555027][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.555368][ T429] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.555682][ T429] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.556011][ T429] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.556327][ T429] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.556665][ T429] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.556982][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.557306][ T429] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.557648][ T429] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.557974][ T429] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.558307][ T429] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.558633][ T429] ? 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) 
[ 37.558950][ T429] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.559271][ T429] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.559598][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.559925][ T429] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.560243][ T429] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.560575][ T429] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.560899][ T429] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.561221][ T429] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.561555][ T429] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.561957][ T429] ___sys_sendmsg (net/socket.c:2670) 
[ 37.562268][ T429] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.562596][ T429] ? __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) 
[ 37.562991][ T429] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.563312][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.563642][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.563969][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.564285][ T429] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.564611][ T429] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.564934][ T429] __sys_sendmsg (net/socket.c:2700) 
[ 37.565257][ T429] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.565668][ T429] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.565998][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.566314][ T429] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.566640][ T429] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.567028][  T429] RIP: 0033:0x7fe075edd1e7
[ 37.567369][ T429] 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)
[   37.568478][  T429] RSP: 002b:00007ffcd7ddcd58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.568950][  T429] RAX: ffffffffffffffda RBX: 00007ffcd7ddd480 RCX: 00007fe075edd1e7
[   37.569437][  T429] RDX: 0000000000000000 RSI: 00007ffcd7ddcdc0 RDI: 0000000000000005
[   37.569915][  T429] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.570390][  T429] R10: 00007fe075ddaee8 R11: 0000000000000246 R12: 0000000000000004
[   37.570855][  T429] R13: 00000000686e16e1 R14: 0000000000499600 R15: 0000000000000000
| [   37.689933][  T430] ------------[ cut here ]------------
| [ 37.690274][ T430] WARNING: CPU: 2 PID: 430 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) 
| [   37.690912][  T430] Modules linked in: bridge stp llc 8021q vrf veth
| [   37.692298][  T430] Tainted: [W]=WARN
[   37.692556][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.692949][ T430] 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) 
[ 37.693279][ T430] 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
[   37.694380][  T430] RSP: 0018:ffffc90000bc6f70 EFLAGS: 00010246
[   37.694777][  T430] RAX: 0000000000000000 RBX: ffff888005b92000 RCX: 0000000000000001
[   37.695263][  T430] RDX: 0000000000000000 RSI: ffffffffa5e9b941 RDI: ffffffffa56555e0
[   37.695745][  T430] RBP: ffffc90000bc7058 R08: 0000000000000000 R09: 0000000000000000
[   37.696213][  T430] R10: ffffc90000bc7088 R11: ffffffffa6379160 R12: 1ffff92000178df2
[   37.696694][  T430] R13: 00000000000005dc R14: ffffc90000bc7088 R15: ffff888005b92f08
[   37.697168][  T430] FS:  00007f2baa553800(0000) GS:ffff88808e3b7000(0000) knlGS:0000000000000000
[   37.697725][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.698124][  T430] CR2: 00000000004e5aa8 CR3: 00000000158c4001 CR4: 0000000000772ef0
[   37.698603][  T430] PKRU: 55555554
[   37.698845][  T430] Call Trace:
[   37.699084][  T430]  <TASK>
[ 37.699253][ T430] ? __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) 
[ 37.699666][ T430] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 37.700029][ T430] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 37.700357][ T430] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.700678][ T430] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.700995][ T430] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.701311][ T430] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.701639][ T430] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.701964][ T430] ? ___sys_sendmsg (net/socket.c:2670) 
[ 37.702280][ T430] ? __sys_sendmsg (net/socket.c:2700) 
[ 37.702608][ T430] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.702921][ T430] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 37.703309][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.703648][ T430] netif_set_mtu (net/core/dev.c:9652) 
[ 37.703967][ T430] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.704307][ T430] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.704566][ T430] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 37.705006][ T430] br_del_if (net/bridge/br_if.c:743) bridge 
[ 37.705375][ T430] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 37.705699][ T430] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 37.706020][ T430] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.706359][ T430] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.706761][ T430] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.707089][ T430] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.707422][ T430] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.707746][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.708068][ T430] ? __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) 
[ 37.708405][ T430] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.708798][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.709120][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.709455][ T430] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.709779][ T430] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.710098][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.710450][ T430] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.710767][ T430] ? __create_object (mm/kmemleak.c:771) 
[ 37.711090][ T430] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.711423][ T430] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.711750][ T430] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.712143][ T430] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.712484][ T430] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.712807][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.713125][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.713463][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.713787][ T430] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.714102][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.714441][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.714758][ T430] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.715092][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.715439][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.715764][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.716082][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.716418][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.716756][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.717071][ T430] ? 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) 
[ 37.717406][ T430] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.717726][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.718045][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.718385][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.718711][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.719035][ T430] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.719375][ T430] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.719696][ T430] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.720015][ T430] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.720432][ T430] ___sys_sendmsg (net/socket.c:2670) 
[ 37.720750][ T430] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.721069][ T430] ? __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) 
[ 37.721482][ T430] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.721809][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.722134][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.722470][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.722790][ T430] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.723107][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.723453][ T430] __sys_sendmsg (net/socket.c:2700) 
[ 37.723775][ T430] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.724170][ T430] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.724511][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.724831][ T430] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.725156][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.725561][  T430] RIP: 0033:0x7f2baa7201e7
[ 37.725887][ T430] 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)
[   37.727004][  T430] RSP: 002b:00007ffd5a187938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.727491][  T430] RAX: ffffffffffffffda RBX: 00007ffd5a188060 RCX: 00007f2baa7201e7
[   37.727963][  T430] RDX: 0000000000000000 RSI: 00007ffd5a1879a0 RDI: 0000000000000005
[   37.728446][  T430] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.728916][  T430] R10: 00007f2baa61dee8 R11: 0000000000000246 R12: 0000000000000004


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