======================================
| 0
| xx__-> [   17.890256][  T302] ------------[ cut here ]------------
| [ 17.890709][ T302] WARNING: CPU: 3 PID: 302 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) 
| [   17.891463][  T302] Modules linked in: vrf veth
[   17.892287][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.892694][ T302] 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) 
[ 17.893000][ T302] 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
[   17.894113][  T302] RSP: 0018:ffffc90000577140 EFLAGS: 00010246
[   17.894700][  T302] RAX: 0000000000000000 RBX: ffff8880077d1000 RCX: 0000000000000001
[   17.895670][  T302] RDX: 0000000000000000 RSI: ffffffffab69b941 RDI: ffffffffaae555e0
[   17.896424][  T302] RBP: ffffc90000577230 R08: ffff888002af5000 R09: 0000000000000000
[   17.897177][  T302] R10: ffffc900005775c8 R11: ffffffffac450668 R12: 1ffff920000aee2c
[   17.897937][  T302] R13: 0000000000002710 R14: ffffc90000577880 R15: ffff8880050234e0
[   17.898671][  T302] FS:  00007f3578b81800(0000) GS:ffff888081e37000(0000) knlGS:0000000000000000
[   17.899496][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.899849][  T302] CR2: 00000000004e5aa0 CR3: 000000000d217003 CR4: 0000000000772ef0
[   17.900264][  T302] PKRU: 55555554
[   17.900482][  T302] Call Trace:
[   17.900693][  T302]  <TASK>
[ 17.900835][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.901130][ T302] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 17.901419][ T302] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.901701][ T302] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 17.901980][ T302] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 17.902256][ T302] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 17.902547][ T302] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 17.902836][ T302] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 17.903189][ T302] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.903476][ T302] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 17.903749][ T302] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.904028][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.904307][ T302] ? __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) 
[ 17.904596][ T302] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 17.904938][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.905216][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.905504][ T302] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 17.905804][ T302] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 17.906083][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.906370][ T302] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 17.906646][ T302] ? __create_object (mm/kmemleak.c:771) 
[ 17.906922][ T302] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 17.907199][ T302] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 17.907491][ T302] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.907833][ T302] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 17.908114][ T302] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.908407][ T302] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.908684][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.908964][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.909240][ T302] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 17.909537][ T302] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.909820][ T302] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.910094][ T302] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.910381][ T302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.910665][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.910953][ T302] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.911236][ T302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.911531][ T302] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 17.911821][ T302] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 17.912097][ T302] ? 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) 
[ 17.912385][ T302] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 17.912665][ T302] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 17.912945][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.913227][ T302] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 17.913516][ T302] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 17.913794][ T302] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 17.914079][ T302] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 17.914371][ T302] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 17.914661][ T302] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 17.915017][ T302] ___sys_sendmsg (net/socket.c:2670) 
[ 17.915289][ T302] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 17.915576][ T302] ? __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) 
[ 17.915919][ T302] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 17.916196][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.916492][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.916779][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.917054][ T302] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 17.917330][ T302] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.917628][ T302] __sys_sendmsg (net/socket.c:2700) 
[ 17.917903][ T302] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 17.918265][ T302] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 17.918567][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.918854][ T302] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.919149][ T302] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.919534][  T302] RIP: 0033:0x7f3578d4e1e7
[ 17.919828][ T302] 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)
[   17.920862][  T302] RSP: 002b:00007ffeaeb6b938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.921288][  T302] RAX: ffffffffffffffda RBX: 00007ffeaeb6c060 RCX: 00007f3578d4e1e7
[   17.921724][  T302] RDX: 0000000000000000 RSI: 00007ffeaeb6b9a0 RDI: 0000000000000005
[   17.922156][  T302] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   17.922607][  T302] R10: 00007f3578c4bee8 R11: 0000000000000246 R12: 0000000000000004
[   17.923027][  T302] R13: 00000000686e118d R14: 0000000000499600 R15: 0000000000000000
| [   20.472803][  T344] ------------[ cut here ]------------
| [ 20.473156][ T344] WARNING: CPU: 2 PID: 344 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) 
| [   20.473733][  T344] Modules linked in: 8021q vrf veth
| [   20.474618][  T344] Tainted: [W]=WARN
[   20.474843][  T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.475203][ T344] 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) 
[ 20.475790][ T344] 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
[   20.476797][  T344] RSP: 0018:ffffc90000b47140 EFLAGS: 00010246
[   20.477163][  T344] RAX: 0000000000000000 RBX: ffff88800be59000 RCX: 0000000000000001
[   20.477596][  T344] RDX: 0000000000000000 RSI: ffffffffab69b941 RDI: ffffffffaae555e0
[   20.478020][  T344] RBP: ffffc90000b47230 R08: ffff88800b47d000 R09: 0000000000000000
[   20.478493][  T344] R10: ffffc90000b475c8 R11: ffffffffac450668 R12: 1ffff92000168e2c
[   20.478930][  T344] R13: 0000000000002710 R14: ffffc90000b47880 R15: ffff8880021874e0
[   20.479389][  T344] FS:  00007ff440d21800(0000) GS:ffff888081db7000(0000) knlGS:0000000000000000
[   20.479889][  T344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.480259][  T344] CR2: 00000000004e5ab8 CR3: 000000000a6e9004 CR4: 0000000000772ef0
[   20.480707][  T344] PKRU: 55555554
[   20.480934][  T344] Call Trace:
[   20.481158][  T344]  <TASK>
[ 20.481312][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.481620][ T344] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.481911][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.482216][ T344] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.482515][ T344] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 20.482812][ T344] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 20.483106][ T344] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 20.483416][ T344] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.483783][ T344] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.484071][ T344] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.484370][ T344] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.484665][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.484954][ T344] ? __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) 
[ 20.485247][ T344] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.485609][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.485905][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.486188][ T344] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.486486][ T344] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.486779][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.487065][ T344] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.487362][ T344] ? __create_object (mm/kmemleak.c:771) 
[ 20.487653][ T344] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.487948][ T344] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.488232][ T344] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.488596][ T344] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.488889][ T344] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.489190][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.489509][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.489809][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.490093][ T344] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.490390][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.490683][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.490975][ T344] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.491266][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.491575][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.491869][ T344] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.492160][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.492456][ T344] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.492761][ T344] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.493047][ T344] ? 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) 
[ 20.493336][ T344] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.493636][ T344] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.493922][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.494216][ T344] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.494517][ T344] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.494807][ T344] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.495107][ T344] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.495412][ T344] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.495702][ T344] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.496068][ T344] ___sys_sendmsg (net/socket.c:2670) 
[ 20.496358][ T344] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.496652][ T344] ? __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) 
[ 20.497006][ T344] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.497298][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.497611][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.497910][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.498195][ T344] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.498500][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.498797][ T344] __sys_sendmsg (net/socket.c:2700) 
[ 20.499083][ T344] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.499457][ T344] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.499767][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.500056][ T344] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.500357][ T344] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.500712][  T344] RIP: 0033:0x7ff440eee1e7
[ 20.501009][ T344] 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)
[   20.502018][  T344] RSP: 002b:00007fff5c95d758 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.502456][  T344] RAX: ffffffffffffffda RBX: 00007fff5c95de80 RCX: 00007ff440eee1e7
[   20.502883][  T344] RDX: 0000000000000000 RSI: 00007fff5c95d7c0 RDI: 0000000000000005
[   20.503308][  T344] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   20.503757][  T344] R10: 00007ff440debee8 R11: 0000000000000246 R12: 0000000000000004
[   20.504184][  T344] R13: 00000000686e1190 R14: 0000000000499600 R15: 0000000000000000
| [   23.885842][  T402] ------------[ cut here ]------------
| [ 23.886162][ T402] WARNING: CPU: 3 PID: 402 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) 
| [   23.888112][  T402] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   23.889230][  T402] Tainted: [W]=WARN
[   23.889479][  T402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.889828][ T402] 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) 
[ 23.890129][ T402] 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
[   23.891146][  T402] RSP: 0018:ffffc90000697140 EFLAGS: 00010246
[   23.891506][  T402] RAX: 0000000000000000 RBX: ffff888007c81000 RCX: 0000000000000001
[   23.891931][  T402] RDX: 0000000000000000 RSI: ffffffffab69b941 RDI: ffffffffaae555e0
[   23.892377][  T402] RBP: ffffc90000697230 R08: ffff888005fd8800 R09: 0000000000000000
[   23.892790][  T402] R10: ffffc900006975c8 R11: ffffffffac450668 R12: 1ffff920000d2e2c
[   23.893220][  T402] R13: 0000000000002710 R14: ffffc90000697880 R15: ffff888004d90060
[   23.893660][  T402] FS:  00007f651446d800(0000) GS:ffff888081e37000(0000) knlGS:0000000000000000
[   23.894161][  T402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.894536][  T402] CR2: 00000000004e5aa8 CR3: 000000000c5c5004 CR4: 0000000000772ef0
[   23.894961][  T402] PKRU: 55555554
[   23.895169][  T402] Call Trace:
[   23.895384][  T402]  <TASK>
[ 23.895524][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.895806][ T402] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.896094][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.896391][ T402] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.896667][ T402] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 23.896951][ T402] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 23.897245][ T402] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 23.897537][ T402] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.897915][ T402] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.898193][ T402] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.898478][ T402] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.898784][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.899072][ T402] ? __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) 
[ 23.899374][ T402] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.899735][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.900016][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.900291][ T402] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.900593][ T402] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.900892][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.901186][ T402] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.901477][ T402] ? __create_object (mm/kmemleak.c:771) 
[ 23.901768][ T402] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.902047][ T402] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.902332][ T402] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.902687][ T402] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.902980][ T402] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.903262][ T402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.903555][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.903839][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.904116][ T402] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.904399][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.904675][ T402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.904951][ T402] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.905233][ T402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.905529][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.905818][ T402] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.906098][ T402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.906386][ T402] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.906689][ T402] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.906966][ T402] ? 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) 
[ 23.907243][ T402] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.907538][ T402] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.907828][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.908108][ T402] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.908397][ T402] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.908675][ T402] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.908962][ T402] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.909257][ T402] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.909573][ T402] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.909952][ T402] ___sys_sendmsg (net/socket.c:2670) 
[ 23.910225][ T402] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.910528][ T402] ? __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) 
[ 23.910883][ T402] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.911162][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.911456][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.911750][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.912036][ T402] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.912309][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.912618][ T402] __sys_sendmsg (net/socket.c:2700) 
[ 23.912901][ T402] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.913256][ T402] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.913555][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.913844][ T402] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.914127][ T402] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.914488][  T402] RIP: 0033:0x7f651463a1e7
[ 23.914776][ T402] 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)
[   23.915818][  T402] RSP: 002b:00007ffd9b718878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.916274][  T402] RAX: ffffffffffffffda RBX: 00007ffd9b718fa0 RCX: 00007f651463a1e7
[   23.916697][  T402] RDX: 0000000000000000 RSI: 00007ffd9b7188e0 RDI: 0000000000000005
[   23.917111][  T402] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   23.917530][  T402] R10: 00007f6514537ee8 R11: 0000000000000246 R12: 0000000000000004
[   23.917947][  T402] R13: 00000000686e1193 R14: 0000000000499600 R15: 0000000000000000
| [   24.411361][  T414] ------------[ cut here ]------------
| [ 24.411677][ T414] WARNING: CPU: 3 PID: 414 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) 
| [   24.412278][  T414] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   24.414447][  T414] Tainted: [W]=WARN
[   24.414685][  T414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.415072][ T414] 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) 
[ 24.415419][ T414] 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
[   24.416529][  T414] RSP: 0018:ffffc90000536ef0 EFLAGS: 00010246
[   24.416916][  T414] RAX: 0000000000000000 RBX: ffff88800a4fa000 RCX: 0000000000000001
[   24.417379][  T414] RDX: 0000000000000000 RSI: ffffffffab69b941 RDI: ffffffffaae555e0
[   24.417843][  T414] RBP: ffffc90000536fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.418314][  T414] R10: ffffc90000537010 R11: ffffffffac4a8918 R12: 1ffff920000a6de2
[   24.418786][  T414] R13: 0000000000002710 R14: ffffc90000537010 R15: ffff88800a4faf08
[   24.419258][  T414] FS:  00007f40d991c800(0000) GS:ffff888081e37000(0000) knlGS:0000000000000000
[   24.419840][  T414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.420232][  T414] CR2: 00000000004e5410 CR3: 000000000d141002 CR4: 0000000000772ef0
[   24.420706][  T414] PKRU: 55555554
[   24.420937][  T414] Call Trace:
[   24.421167][  T414]  <TASK>
[ 24.421329][ T414] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.421650][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.421972][ T414] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.422278][ T414] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.422666][ T414] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.422977][ T414] netif_set_mtu (net/core/dev.c:9652) 
[ 24.423290][ T414] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.423626][ T414] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.424064][ T414] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.424304][ T414] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.424753][ T414] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.425117][ T414] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.425441][ T414] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.425751][ T414] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.426141][ T414] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.426460][ T414] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.426767][ T414] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.427083][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.427404][ T414] ? __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) 
[ 24.427729][ T414] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.428113][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.428432][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.428737][ T414] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.429041][ T414] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.429370][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.429688][ T414] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.430009][ T414] ? __create_object (mm/kmemleak.c:771) 
[ 24.430318][ T414] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.430651][ T414] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.430967][ T414] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.431364][ T414] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.431685][ T414] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.432007][ T414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.432314][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.432642][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.432954][ T414] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.433278][ T414] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.433602][ T414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.433913][ T414] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.434238][ T414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.434572][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.434902][ T414] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.435226][ T414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.435549][ T414] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.435871][ T414] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.436175][ T414] ? 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) 
[ 24.436499][ T414] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.436814][ T414] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.437119][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.437441][ T414] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.437753][ T414] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.438063][ T414] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.438387][ T414] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.438714][ T414] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.439036][ T414] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.439503][ T414] ___sys_sendmsg (net/socket.c:2670) 
[ 24.439816][ T414] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.440138][ T414] ? __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) 
[ 24.440551][ T414] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.440878][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.441199][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.441544][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.441869][ T414] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.442184][ T414] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.442521][ T414] __sys_sendmsg (net/socket.c:2700) 
[ 24.442853][ T414] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.443266][ T414] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.443600][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.443926][ T414] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.444254][ T414] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.444654][  T414] RIP: 0033:0x7f40d9ae91e7
[ 24.444977][ T414] 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)
[   24.446101][  T414] RSP: 002b:00007ffd6ad2c068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.446874][  T414] RAX: ffffffffffffffda RBX: 00007ffd6ad2c790 RCX: 00007f40d9ae91e7
[   24.447363][  T414] RDX: 0000000000000000 RSI: 00007ffd6ad2c0d0 RDI: 0000000000000005
[   24.448080][  T414] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.448563][  T414] R10: 000000001179b910 R11: 0000000000000246 R12: 0000000000000004
[   24.449039][  T414] R13: 00000000686e1194 R14: 0000000000499600 R15: 0000000000000000
| [   25.091809][  T431] ------------[ cut here ]------------
| [ 25.092173][ T431] WARNING: CPU: 0 PID: 431 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) 
| [   25.092852][  T431] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   25.094618][  T431] Tainted: [W]=WARN
[   25.094867][  T431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.095291][ T431] 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) 
[ 25.095643][ T431] 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
[   25.096848][  T431] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   25.097270][  T431] RAX: 0000000000000000 RBX: ffff88800a702000 RCX: 0000000000000001
[   25.097785][  T431] RDX: 0000000000000000 RSI: ffffffffab69b941 RDI: ffffffffaae555e0
[   25.098279][  T431] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.099073][  T431] R10: ffffc900005e7010 R11: ffffffffac4a8918 R12: 1ffff920000bcde2
[   25.099613][  T431] R13: 0000000000002710 R14: ffffc900005e7010 R15: ffff88800a702f08
[   25.100121][  T431] FS:  00007f52b0ca6800(0000) GS:ffff888081cb7000(0000) knlGS:0000000000000000
[   25.100711][  T431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.101141][  T431] CR2: 00000000004e5418 CR3: 000000000f4e9001 CR4: 0000000000772ef0
[   25.101655][  T431] PKRU: 55555554
[   25.101903][  T431] Call Trace:
[   25.102151][  T431]  <TASK>
[ 25.102323][ T431] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.102669][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.103005][ T431] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.103336][ T431] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.103765][ T431] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.104096][ T431] netif_set_mtu (net/core/dev.c:9652) 
[ 25.104433][ T431] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.104775][ T431] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.105248][ T431] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.105511][ T431] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.105974][ T431] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.106364][ T431] do_set_master (net/core/rtnetlink.c:2948) 
[ 25.106709][ T431] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.107047][ T431] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.107480][ T431] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.107811][ T431] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.108144][ T431] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.108491][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.108838][ T431] ? __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) 
[ 25.109168][ T431] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.109606][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.109944][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.110277][ T431] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.110619][ T431] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.110948][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.111283][ T431] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.111624][ T431] ? __create_object (mm/kmemleak.c:771) 
[ 25.111961][ T431] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.112295][ T431] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.112633][ T431] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.113047][ T431] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.113394][ T431] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.113731][ T431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.114068][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.114423][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.114760][ T431] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.115090][ T431] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.115438][ T431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.115766][ T431] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.116094][ T431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.116458][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.116796][ T431] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.117133][ T431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.117476][ T431] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.117820][ T431] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.118148][ T431] ? 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) 
[ 25.118492][ T431] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.118828][ T431] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.119161][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.119525][ T431] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.119867][ T431] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.120200][ T431] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.120549][ T431] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.120878][ T431] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.121212][ T431] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.121646][ T431] ___sys_sendmsg (net/socket.c:2670) 
[ 25.121983][ T431] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.122317][ T431] ? __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) 
[ 25.122772][ T431] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.123111][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.123463][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.123801][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.124134][ T431] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.124478][ T431] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.124817][ T431] __sys_sendmsg (net/socket.c:2700) 
[ 25.125146][ T431] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.125568][ T431] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.125915][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.126246][ T431] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.126591][ T431] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.127009][  T431] RIP: 0033:0x7f52b0e731e7
[ 25.127364][ T431] 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)
[   25.128563][  T431] RSP: 002b:00007ffc6dd6cb48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.129064][  T431] RAX: ffffffffffffffda RBX: 00007ffc6dd6d270 RCX: 00007f52b0e731e7
[   25.129592][  T431] RDX: 0000000000000000 RSI: 00007ffc6dd6cbb0 RDI: 0000000000000005
[   25.130095][  T431] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.130606][  T431] R10: 0000000027d13910 R11: 0000000000000246 R12: 0000000000000004
[   25.131107][  T431] R13: 00000000686e1194 R14: 0000000000499600 R15: 0000000000000000
| [   25.744031][  T450] ------------[ cut here ]------------
| [ 25.744381][ T450] WARNING: CPU: 0 PID: 450 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) 
| [   25.744956][  T450] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   25.746099][  T450] Tainted: [W]=WARN
[   25.746325][  T450] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.746708][ T450] 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) 
[ 25.747011][ T450] 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
[   25.748065][  T450] RSP: 0018:ffffc90000747140 EFLAGS: 00010246
[   25.748440][  T450] RAX: 0000000000000000 RBX: ffff88800b46c000 RCX: 0000000000000001
[   25.748878][  T450] RDX: 0000000000000000 RSI: ffffffffab69b941 RDI: ffffffffaae555e0
[   25.749322][  T450] RBP: ffffc90000747230 R08: ffff88800bc18800 R09: 0000000000000000
[   25.751240][  T450] R10: ffffc900007475c8 R11: ffffffffac450668 R12: 1ffff920000e8e2c
[   25.751717][  T450] R13: 0000000000002710 R14: ffffc90000747880 R15: ffff88800c538060
[   25.752160][  T450] FS:  00007fabea754800(0000) GS:ffff888081cb7000(0000) knlGS:0000000000000000
[   25.752677][  T450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.753043][  T450] CR2: 00000000004e5ab0 CR3: 000000000f4c1002 CR4: 0000000000772ef0
[   25.753488][  T450] PKRU: 55555554
[   25.753706][  T450] Call Trace:
[   25.753922][  T450]  <TASK>
[ 25.754072][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.754380][ T450] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.754678][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.754972][ T450] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.755265][ T450] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 25.755567][ T450] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 25.755863][ T450] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 25.756162][ T450] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.756542][ T450] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.756829][ T450] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.757120][ T450] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.757422][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.757717][ T450] ? __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) 
[ 25.758008][ T450] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.758388][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.758684][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.758973][ T450] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.759261][ T450] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.759574][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.759867][ T450] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.760153][ T450] ? __create_object (mm/kmemleak.c:771) 
[ 25.760453][ T450] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.760752][ T450] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.761042][ T450] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.761412][ T450] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.761708][ T450] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.762005][ T450] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.762299][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.762607][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.762897][ T450] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.763190][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.763492][ T450] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.763779][ T450] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.764069][ T450] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.764378][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.764677][ T450] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.764971][ T450] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.765267][ T450] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.765581][ T450] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.765870][ T450] ? 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) 
[ 25.766160][ T450] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.766462][ T450] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.766753][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.767047][ T450] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.767355][ T450] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.767648][ T450] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.767944][ T450] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.768236][ T450] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.768539][ T450] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.768910][ T450] ___sys_sendmsg (net/socket.c:2670) 
[ 25.769199][ T450] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.769517][ T450] ? __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) 
[ 25.769882][ T450] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.770176][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.770480][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.770778][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.771070][ T450] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.771373][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.771672][ T450] __sys_sendmsg (net/socket.c:2700) 
[ 25.771965][ T450] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.772322][ T450] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.772637][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.772929][ T450] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.773219][ T450] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.773587][  T450] RIP: 0033:0x7fabea9211e7
[ 25.773886][ T450] 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)
[   25.774933][  T450] RSP: 002b:00007fffc30b82b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.775383][  T450] RAX: ffffffffffffffda RBX: 00007fffc30b89e0 RCX: 00007fabea9211e7
[   25.775822][  T450] RDX: 0000000000000000 RSI: 00007fffc30b8320 RDI: 0000000000000005
[   25.776260][  T450] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   25.776704][  T450] R10: 00007fabea81eee8 R11: 0000000000000246 R12: 0000000000000004
[   25.777139][  T450] R13: 00000000686e1195 R14: 0000000000499600 R15: 0000000000000000
| [   26.277905][  T462] ------------[ cut here ]------------
| [ 26.278305][ T462] WARNING: CPU: 2 PID: 462 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) 
| [   26.279042][  T462] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   26.280922][  T462] Tainted: [W]=WARN
[   26.281357][  T462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.281962][ T462] 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) 
[ 26.282497][ T462] 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
[   26.284045][  T462] RSP: 0018:ffffc900007a6ef0 EFLAGS: 00010246
[   26.284764][  T462] RAX: 0000000000000000 RBX: ffff88800a4fa000 RCX: 0000000000000001
[   26.285468][  T462] RDX: 0000000000000000 RSI: ffffffffab69b941 RDI: ffffffffaae555e0
[   26.286067][  T462] RBP: ffffc900007a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   26.286623][  T462] R10: ffffc900007a7010 R11: ffffffffac4a8918 R12: 1ffff920000f4de2
[   26.287163][  T462] R13: 0000000000002710 R14: ffffc900007a7010 R15: ffff88800a4faf08
[   26.287709][  T462] FS:  00007f401f3a4800(0000) GS:ffff888081db7000(0000) knlGS:0000000000000000
[   26.288339][  T462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.288802][  T462] CR2: 00007fbf2f0025a0 CR3: 000000000f504003 CR4: 0000000000772ef0
[   26.289363][  T462] PKRU: 55555554
[   26.289643][  T462] Call Trace:
[   26.289918][  T462]  <TASK>
[ 26.290114][ T462] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.290488][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.290860][ T462] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 26.291221][ T462] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 26.291693][ T462] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 26.292068][ T462] netif_set_mtu (net/core/dev.c:9652) 
[ 26.292443][ T462] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.292815][ T462] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 26.293315][ T462] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.293607][ T462] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 26.294101][ T462] br_add_if (net/bridge/br_if.c:697) bridge 
[ 26.294521][ T462] do_set_master (net/core/rtnetlink.c:2948) 
[ 26.294898][ T462] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 26.295271][ T462] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.295734][ T462] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.296097][ T462] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.296470][ T462] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.296837][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.297203][ T462] ? __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) 
[ 26.297589][ T462] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.298038][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.298412][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.298774][ T462] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.299134][ T462] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.299527][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.299891][ T462] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.300256][ T462] ? __create_object (mm/kmemleak.c:771) 
[ 26.300631][ T462] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.300996][ T462] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.301366][ T462] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.301815][ T462] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.302186][ T462] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.302569][ T462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.302946][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.303320][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.303693][ T462] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.304055][ T462] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.304429][ T462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.304792][ T462] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.305157][ T462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.305535][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.305915][ T462] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.306276][ T462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.306650][ T462] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.307021][ T462] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.307391][ T462] ? 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) 
[ 26.307755][ T462] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.308119][ T462] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.308493][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.308863][ T462] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.309224][ T462] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.309608][ T462] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.309977][ T462] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.310341][ T462] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.310713][ T462] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.311177][ T462] ___sys_sendmsg (net/socket.c:2670) 
[ 26.311544][ T462] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.311908][ T462] ? __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) 
[ 26.312362][ T462] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.312727][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.313092][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.313471][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.313831][ T462] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.314196][ T462] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.314590][ T462] __sys_sendmsg (net/socket.c:2700) 
[ 26.315183][ T462] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.315638][ T462] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.316010][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.316384][ T462] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.316752][ T462] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.317202][  T462] RIP: 0033:0x7f401f5711e7
[ 26.317583][ T462] 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)
[   26.319066][  T462] RSP: 002b:00007ffef26f4ff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.319862][  T462] RAX: ffffffffffffffda RBX: 00007ffef26f5720 RCX: 00007f401f5711e7
[   26.320406][  T462] RDX: 0000000000000000 RSI: 00007ffef26f5060 RDI: 0000000000000005
[   26.320937][  T462] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.321702][  T462] R10: 000000002b0f8910 R11: 0000000000000246 R12: 0000000000000004
[   26.322231][  T462] R13: 00000000686e1196 R14: 0000000000499600 R15: 0000000000000000
| [   26.965625][  T479] ------------[ cut here ]------------
| [ 26.965949][ T479] WARNING: CPU: 3 PID: 479 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) 
| [   26.966593][  T479] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   26.968055][  T479] Tainted: [W]=WARN
[   26.968304][  T479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.968721][ T479] 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) 
[ 26.969059][ T479] 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
[   26.970234][  T479] RSP: 0018:ffffc900008e6ef0 EFLAGS: 00010246
[   26.970656][  T479] RAX: 0000000000000000 RBX: ffff88800a702000 RCX: 0000000000000001
[   26.971150][  T479] RDX: 0000000000000000 RSI: ffffffffab69b941 RDI: ffffffffaae555e0
[   26.971647][  T479] RBP: ffffc900008e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   26.972132][  T479] R10: ffffc900008e7010 R11: ffffffffac4a8918 R12: 1ffff9200011cde2
[   26.972626][  T479] R13: 0000000000002710 R14: ffffc900008e7010 R15: ffff88800a702f08
[   26.973118][  T479] FS:  00007fb6458d4800(0000) GS:ffff888081e37000(0000) knlGS:0000000000000000
[   26.973695][  T479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.974100][  T479] CR2: 00000000004e5418 CR3: 000000000f534002 CR4: 0000000000772ef0
[   26.974600][  T479] PKRU: 55555554
[   26.974845][  T479] Call Trace:
[   26.975088][  T479]  <TASK>
[ 26.975259][ T479] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.975597][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.975928][ T479] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 26.976253][ T479] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 26.976668][ T479] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 26.976995][ T479] netif_set_mtu (net/core/dev.c:9652) 
[ 26.977321][ T479] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.977664][ T479] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 26.978123][ T479] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.978377][ T479] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 26.978819][ T479] br_add_if (net/bridge/br_if.c:697) bridge 
[ 26.979190][ T479] do_set_master (net/core/rtnetlink.c:2948) 
[ 26.979549][ T479] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 26.979880][ T479] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.980295][ T479] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.980628][ T479] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.980954][ T479] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.981281][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.981622][ T479] ? __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) 
[ 26.981946][ T479] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.982357][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.982686][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.983012][ T479] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.983361][ T479] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.983685][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.984010][ T479] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.984331][ T479] ? __create_object (mm/kmemleak.c:771) 
[ 26.984665][ T479] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.984990][ T479] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.985313][ T479] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.985729][ T479] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.986058][ T479] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.986413][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.986734][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.987063][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.987394][ T479] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.987716][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.988043][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.988379][ T479] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.988705][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.989031][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.989377][ T479] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.989705][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.990030][ T479] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.990373][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.990701][ T479] ? 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) 
[ 26.991026][ T479] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.991363][ T479] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.991686][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.992015][ T479] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.992340][ T479] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.992674][ T479] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.993004][ T479] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.993333][ T479] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.993661][ T479] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.994074][ T479] ___sys_sendmsg (net/socket.c:2670) 
[ 26.994402][ T479] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.994724][ T479] ? __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) 
[ 26.995125][ T479] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.995472][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.995799][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.996127][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.996459][ T479] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.996780][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.997112][ T479] __sys_sendmsg (net/socket.c:2700) 
[ 26.997441][ T479] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.997844][ T479] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.998184][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.998517][ T479] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.998842][ T479] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.999240][  T479] RIP: 0033:0x7fb645aa11e7
[ 26.999588][ T479] 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)
[   27.000743][  T479] RSP: 002b:00007fff5873bc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.001231][  T479] RAX: ffffffffffffffda RBX: 00007fff5873c330 RCX: 00007fb645aa11e7
[   27.001722][  T479] RDX: 0000000000000000 RSI: 00007fff5873bc70 RDI: 0000000000000005
[   27.002203][  T479] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   27.002704][  T479] R10: 0000000026333910 R11: 0000000000000246 R12: 0000000000000004
[   27.003186][  T479] R13: 00000000686e1196 R14: 0000000000499600 R15: 0000000000000000
| [  112.419313][  T848] ------------[ cut here ]------------
| [ 112.419762][ T848] WARNING: CPU: 0 PID: 848 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) 
| [  112.420630][  T848] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  112.422178][  T848] Tainted: [W]=WARN
[  112.422529][  T848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.422955][ T848] 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) 
[ 112.423323][ T848] 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
[  112.424743][  T848] RSP: 0018:ffffc900010aef70 EFLAGS: 00010246
[  112.425338][  T848] RAX: 0000000000000000 RBX: ffff88800a702000 RCX: 0000000000000001
[  112.427295][  T848] RDX: 0000000000000000 RSI: ffffffffab69b941 RDI: ffffffffaae555e0
[  112.427809][  T848] RBP: ffffc900010af058 R08: 0000000000000000 R09: 0000000000000000
[  112.428310][  T848] R10: ffffc900010af088 R11: ffffffffa7a00130 R12: 1ffff92000215df2
[  112.428830][  T848] R13: 0000000000002710 R14: ffffc900010af088 R15: ffff88800a702f08
[  112.429464][  T848] FS:  00007f6b038df800(0000) GS:ffff888081cb7000(0000) knlGS:0000000000000000
[  112.430064][  T848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.430498][  T848] CR2: 00000000004e5630 CR3: 000000000f4c9002 CR4: 0000000000772ef0
[  112.431014][  T848] PKRU: 55555554
[  112.431269][  T848] Call Trace:
[  112.431533][  T848]  <TASK>
[ 112.431705][ T848] ? __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) 
[ 112.432158][ T848] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 112.432559][ T848] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 112.432893][ T848] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 112.433232][ T848] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.433601][ T848] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.433918][ T848] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.434241][ T848] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.434573][ T848] ? ___sys_sendmsg (net/socket.c:2670) 
[ 112.434879][ T848] ? __sys_sendmsg (net/socket.c:2700) 
[ 112.435198][ T848] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.435518][ T848] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 112.435908][ T848] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.436244][ T848] netif_set_mtu (net/core/dev.c:9652) 
[ 112.436679][ T848] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.437025][ T848] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.437269][ T848] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.437815][ T848] br_del_if (net/bridge/br_if.c:743) bridge 
[ 112.438343][ T848] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 112.438676][ T848] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 112.439116][ T848] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 112.439567][ T848] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 112.440038][ T848] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 112.440425][ T848] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 112.440782][ T848] ? __kernel_text_address (kernel/extable.c:79) 
[ 112.441108][ T848] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.441433][ T848] ? __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) 
[ 112.441796][ T848] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 112.442268][ T848] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.442648][ T848] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.443008][ T848] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 112.443469][ T848] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 112.443844][ T848] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.444175][ T848] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.444598][ T848] ? __create_object (mm/kmemleak.c:771) 
[ 112.444914][ T848] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 112.445236][ T848] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 112.445646][ T848] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 112.446196][ T848] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 112.446530][ T848] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.446938][ T848] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.447343][ T848] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.447677][ T848] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.448088][ T848] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.448420][ T848] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.448731][ T848] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.449138][ T848] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.449541][ T848] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.449906][ T848] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.450400][ T848] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.450718][ T848] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.451037][ T848] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.451372][ T848] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.451693][ T848] ? 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) 
[ 112.452018][ T848] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.452333][ T848] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.452757][ T848] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.453092][ T848] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.453420][ T848] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.453738][ T848] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.454116][ T848] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.454524][ T848] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.454850][ T848] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.455412][ T848] ___sys_sendmsg (net/socket.c:2670) 
[ 112.455717][ T848] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 112.456120][ T848] ? __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) 
[ 112.456639][ T848] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.457037][ T848] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.457369][ T848] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.457815][ T848] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.458159][ T848] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 112.458504][ T848] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.458909][ T848] __sys_sendmsg (net/socket.c:2700) 
[ 112.459431][ T848] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 112.459826][ T848] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.460169][ T848] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.460661][ T848] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.461049][ T848] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.461481][  T848] RIP: 0033:0x7f6b03aac1e7
[ 112.461902][ T848] 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)
[  112.463140][  T848] RSP: 002b:00007ffddd1c4f78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.463815][  T848] RAX: ffffffffffffffda RBX: 00007ffddd1c56a0 RCX: 00007f6b03aac1e7
[  112.464415][  T848] RDX: 0000000000000000 RSI: 00007ffddd1c4fe0 RDI: 0000000000000005
[  112.464907][  T848] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  112.465558][  T848] R10: 00007f6b039a9ee8 R11: 0000000000000246 R12: 0000000000000003
[  112.466129][  T848] R13: 00000000686e11ec R14: 0000000000499600 R15: 0000000000000000
| [  113.022864][  T856] ------------[ cut here ]------------
| [ 113.023217][ T856] WARNING: CPU: 1 PID: 856 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) 
| [  113.024007][  T856] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  113.025646][  T856] Tainted: [W]=WARN
[  113.025948][  T856] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.026411][ T856] 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) 
[ 113.026747][ T856] 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
[  113.028632][  T856] RSP: 0018:ffffc900010fef70 EFLAGS: 00010246
[  113.029186][  T856] RAX: 0000000000000000 RBX: ffff88800a4fa000 RCX: 0000000000000001
[  113.029754][  T856] RDX: 0000000000000000 RSI: ffffffffab69b941 RDI: ffffffffaae555e0
[  113.030323][  T856] RBP: ffffc900010ff058 R08: 0000000000000000 R09: 0000000000000000
[  113.030809][  T856] R10: ffffc900010ff088 R11: ffffffffabb79160 R12: 1ffff9200021fdf2
[  113.031286][  T856] R13: 0000000000002710 R14: ffffc900010ff088 R15: ffff88800a4faf08
[  113.031753][  T856] FS:  00007f8eda4ca800(0000) GS:ffff888081d37000(0000) knlGS:0000000000000000
[  113.032335][  T856] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.032737][  T856] CR2: 00000000004e5628 CR3: 0000000004cab006 CR4: 0000000000772ef0
[  113.033339][  T856] PKRU: 55555554
[  113.033601][  T856] Call Trace:
[  113.033832][  T856]  <TASK>
[ 113.033989][ T856] ? __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) 
[ 113.034420][ T856] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 113.034777][ T856] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 113.035096][ T856] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.035415][ T856] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.035726][ T856] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.036038][ T856] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.036386][ T856] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.036713][ T856] ? ___sys_sendmsg (net/socket.c:2670) 
[ 113.037016][ T856] ? __sys_sendmsg (net/socket.c:2700) 
[ 113.037332][ T856] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.037650][ T856] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 113.038032][ T856] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.038392][ T856] netif_set_mtu (net/core/dev.c:9652) 
[ 113.038705][ T856] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.039028][ T856] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.039282][ T856] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.039739][ T856] br_del_if (net/bridge/br_if.c:743) bridge 
[ 113.040112][ T856] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 113.040442][ T856] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 113.040755][ T856] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.041081][ T856] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 113.041489][ T856] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.041810][ T856] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 113.042140][ T856] ? __kernel_text_address (kernel/extable.c:79) 
[ 113.042476][ T856] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.042852][ T856] ? __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) 
[ 113.043251][ T856] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 113.043712][ T856] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.044122][ T856] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.044558][ T856] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 113.044925][ T856] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 113.045365][ T856] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.045744][ T856] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.046175][ T856] ? __create_object (mm/kmemleak.c:771) 
[ 113.046552][ T856] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 113.046969][ T856] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 113.047407][ T856] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 113.048063][ T856] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 113.048490][ T856] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.048831][ T856] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.049231][ T856] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.049582][ T856] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.049990][ T856] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.050313][ T856] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.050641][ T856] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.050955][ T856] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.051278][ T856] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.051601][ T856] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.051916][ T856] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.052253][ T856] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.052577][ T856] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.052900][ T856] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.053269][ T856] ? 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) 
[ 113.053589][ T856] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.053904][ T856] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.054229][ T856] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.054568][ T856] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.054887][ T856] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.055214][ T856] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.055551][ T856] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.055925][ T856] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.056383][ T856] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.056847][ T856] ___sys_sendmsg (net/socket.c:2670) 
[ 113.057378][ T856] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 113.057921][ T856] ? __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) 
[ 113.058458][ T856] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.058883][ T856] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.059271][ T856] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.059690][ T856] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.060001][ T856] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 113.060338][ T856] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.060751][ T856] __sys_sendmsg (net/socket.c:2700) 
[ 113.061158][ T856] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 113.061651][ T856] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.062067][ T856] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.062516][ T856] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.062838][ T856] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.063241][  T856] RIP: 0033:0x7f8eda6971e7
[ 113.063588][ T856] 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)
[  113.064719][  T856] RSP: 002b:00007fffb94f1248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.065216][  T856] RAX: ffffffffffffffda RBX: 00007fffb94f1970 RCX: 00007f8eda6971e7
[  113.065686][  T856] RDX: 0000000000000000 RSI: 00007fffb94f12b0 RDI: 0000000000000005
[  113.066160][  T856] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  113.066655][  T856] R10: 00007f8eda594ee8 R11: 0000000000000246 R12: 0000000000000003
[  113.067183][  T856] R13: 00000000686e11ec R14: 0000000000499600 R15: 0000000000000000
| [  113.416023][  T860] ------------[ cut here ]------------
| [ 113.416343][ T860] WARNING: CPU: 3 PID: 860 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) 
| [  113.416932][  T860] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  113.419389][  T860] Tainted: [W]=WARN
[  113.419617][  T860] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.419972][ T860] 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) 
[ 113.420295][ T860] 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
[  113.421312][  T860] RSP: 0018:ffffc9000113f140 EFLAGS: 00010246
[  113.421677][  T860] RAX: 0000000000000000 RBX: ffff88800b46c000 RCX: 0000000000000001
[  113.422105][  T860] RDX: 0000000000000000 RSI: ffffffffab69b941 RDI: ffffffffaae555e0
[  113.422540][  T860] RBP: ffffc9000113f230 R08: ffff8880059f5000 R09: 0000000000000000
[  113.422962][  T860] R10: ffffc9000113f5c8 R11: ffffffffac450668 R12: 1ffff92000227e2c
[  113.423392][  T860] R13: 00000000000005dc R14: ffffc9000113f880 R15: ffff888010b834e0
[  113.423816][  T860] FS:  00007f660be24800(0000) GS:ffff888081e37000(0000) knlGS:0000000000000000
[  113.424306][  T860] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.424674][  T860] CR2: 00000000004e5ab0 CR3: 00000000105f6004 CR4: 0000000000772ef0
[  113.425101][  T860] PKRU: 55555554
[  113.425314][  T860] Call Trace:
[  113.425532][  T860]  <TASK>
[ 113.425677][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.425976][ T860] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.426261][ T860] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.426559][ T860] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 113.426843][ T860] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 113.427130][ T860] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 113.427427][ T860] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 113.427726][ T860] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 113.428079][ T860] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.428373][ T860] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 113.428654][ T860] ? __kernel_text_address (kernel/extable.c:79) 
[ 113.428942][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.429227][ T860] ? __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) 
[ 113.429527][ T860] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 113.429888][ T860] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.430172][ T860] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.430463][ T860] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 113.430746][ T860] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 113.431032][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.431317][ T860] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.431615][ T860] ? __create_object (mm/kmemleak.c:771) 
[ 113.431901][ T860] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 113.432187][ T860] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 113.432481][ T860] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 113.432831][ T860] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 113.433119][ T860] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.433415][ T860] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.433703][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.433994][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.434279][ T860] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.434592][ T860] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.434877][ T860] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.435161][ T860] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.435454][ T860] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.435742][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.436028][ T860] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.436310][ T860] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.436617][ T860] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.436910][ T860] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.437190][ T860] ? 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) 
[ 113.437482][ T860] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.437802][ T860] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.438088][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.438376][ T860] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.438677][ T860] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.438965][ T860] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.439252][ T860] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.439566][ T860] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.439877][ T860] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.440240][ T860] ___sys_sendmsg (net/socket.c:2670) 
[ 113.440529][ T860] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 113.440818][ T860] ? __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) 
[ 113.441171][ T860] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.441483][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.441763][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.442056][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.442334][ T860] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 113.442616][ T860] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.442908][ T860] __sys_sendmsg (net/socket.c:2700) 
[ 113.443185][ T860] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 113.443532][ T860] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.443820][ T860] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.444102][ T860] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.444386][ T860] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.444728][  T860] RIP: 0033:0x7f660bff11e7
[ 113.445023][ T860] 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)
[  113.446037][  T860] RSP: 002b:00007ffd5bd12988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.446497][  T860] RAX: ffffffffffffffda RBX: 00007ffd5bd130b0 RCX: 00007f660bff11e7
[  113.446925][  T860] RDX: 0000000000000000 RSI: 00007ffd5bd129f0 RDI: 0000000000000005
[  113.447362][  T860] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  113.447786][  T860] R10: 00007f660beeeee8 R11: 0000000000000246 R12: 0000000000000004
[  113.448207][  T860] R13: 00000000686e11ed R14: 0000000000499600 R15: 0000000000000000
| [  113.945527][  T866] ------------[ cut here ]------------
| [ 113.945891][ T866] WARNING: CPU: 2 PID: 866 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) 
| [  113.946635][  T866] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  113.948634][  T866] Tainted: [W]=WARN
[  113.949080][  T866] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.949819][ T866] 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) 
[ 113.950223][ T866] 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
[  113.951704][  T866] RSP: 0018:ffffc9000119ef70 EFLAGS: 00010246
[  113.952392][  T866] RAX: 0000000000000000 RBX: ffff88800a702000 RCX: 0000000000000001
[  113.952903][  T866] RDX: 0000000000000000 RSI: ffffffffab69b941 RDI: ffffffffaae555e0
[  113.953544][  T866] RBP: ffffc9000119f058 R08: 0000000000000000 R09: 0000000000000000
[  113.954198][  T866] R10: ffffc9000119f088 R11: ffffffffabb79160 R12: 1ffff92000233df2
[  113.954810][  T866] R13: 00000000000005dc R14: ffffc9000119f088 R15: ffff88800a702f08
[  113.955621][  T866] FS:  00007f1bea276800(0000) GS:ffff888081db7000(0000) knlGS:0000000000000000
[  113.956412][  T866] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.956958][  T866] CR2: 00000000004e73c0 CR3: 0000000005202003 CR4: 0000000000772ef0
[  113.957683][  T866] PKRU: 55555554
[  113.958101][  T866] Call Trace:
[  113.958568][  T866]  <TASK>
[ 113.958798][ T866] ? __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) 
[ 113.959299][ T866] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 113.959832][ T866] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 113.960302][ T866] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.960737][ T866] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.961141][ T866] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.961520][ T866] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.961874][ T866] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.962221][ T866] ? ___sys_sendmsg (net/socket.c:2670) 
[ 113.962572][ T866] ? __sys_sendmsg (net/socket.c:2700) 
[ 113.962910][ T866] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.963257][ T866] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 113.963685][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.964040][ T866] netif_set_mtu (net/core/dev.c:9652) 
[ 113.964390][ T866] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.964771][ T866] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.965034][ T866] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 113.965623][ T866] br_del_if (net/bridge/br_if.c:743) bridge 
[ 113.966116][ T866] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 113.966575][ T866] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 113.966991][ T866] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.967406][ T866] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 113.968005][ T866] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.968518][ T866] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 113.968868][ T866] ? __kernel_text_address (kernel/extable.c:79) 
[ 113.969230][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.969626][ T866] ? __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) 
[ 113.970078][ T866] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 113.970622][ T866] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.970996][ T866] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.971526][ T866] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 113.971941][ T866] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 113.972567][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.972992][ T866] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.973529][ T866] ? __create_object (mm/kmemleak.c:771) 
[ 113.973954][ T866] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 113.974463][ T866] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 113.974962][ T866] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 113.975522][ T866] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 113.976047][ T866] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.976658][ T866] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.977227][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.977871][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.978314][ T866] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.978770][ T866] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.979227][ T866] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.979751][ T866] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.980379][ T866] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.980871][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.981342][ T866] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.981815][ T866] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.982289][ T866] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.982846][ T866] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.983439][ T866] ? 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) 
[ 113.984013][ T866] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.984617][ T866] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.985189][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.985825][ T866] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.986433][ T866] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.987000][ T866] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.987588][ T866] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.988089][ T866] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.988601][ T866] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.989088][ T866] ___sys_sendmsg (net/socket.c:2670) 
[ 113.989580][ T866] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 113.989962][ T866] ? __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) 
[ 113.990507][ T866] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.990844][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.991377][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.991865][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.992424][ T866] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 113.992978][ T866] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.993391][ T866] __sys_sendmsg (net/socket.c:2700) 
[ 113.993748][ T866] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 113.994212][ T866] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.994678][ T866] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.995144][ T866] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.995499][ T866] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.996087][  T866] RIP: 0033:0x7f1bea4431e7
[ 113.996726][ T866] 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)
[  113.998478][  T866] RSP: 002b:00007ffff2c21d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.999002][  T866] RAX: ffffffffffffffda RBX: 00007ffff2c224c0 RCX: 00007f1bea4431e7
[  113.999771][  T866] RDX: 0000000000000000 RSI: 00007ffff2c21e00 RDI: 0000000000000005
[  114.000546][  T866] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  114.001195][  T866] R10: 00007f1bea340ee8 R11: 0000000000000246 R12: 0000000000000003
[  114.001794][  T866] R13: 00000000686e11ed R14: 0000000000499600 R15: 0000000000000000
| [  114.490112][  T872] ------------[ cut here ]------------
| [ 114.490472][ T872] WARNING: CPU: 1 PID: 872 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) 
| [  114.491111][  T872] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  114.492504][  T872] Tainted: [W]=WARN
[  114.492756][  T872] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.493159][ T872] 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) 
[ 114.494819][ T872] 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
[  114.495982][  T872] RSP: 0018:ffffc9000103ef70 EFLAGS: 00010246
[  114.496416][  T872] RAX: 0000000000000000 RBX: ffff88800a4fa000 RCX: 0000000000000001
[  114.496921][  T872] RDX: 0000000000000000 RSI: ffffffffab69b941 RDI: ffffffffaae555e0
[  114.497432][  T872] RBP: ffffc9000103f058 R08: 0000000000000000 R09: 0000000000000000
[  114.497912][  T872] R10: ffffc9000103f088 R11: ffffffffabb79160 R12: 1ffff92000207df2
[  114.498419][  T872] R13: 00000000000005dc R14: ffffc9000103f088 R15: ffff88800a4faf08
[  114.498915][  T872] FS:  00007f195694e800(0000) GS:ffff888081d37000(0000) knlGS:0000000000000000
[  114.499525][  T872] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.499949][  T872] CR2: 00000000004e73b8 CR3: 000000000f58d004 CR4: 0000000000772ef0
[  114.500461][  T872] PKRU: 55555554
[  114.500710][  T872] Call Trace:
[  114.500973][  T872]  <TASK>
[ 114.501139][ T872] ? __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) 
[ 114.501582][ T872] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 114.501968][ T872] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 114.502294][ T872] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 114.502626][ T872] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.502970][ T872] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.503308][ T872] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.503645][ T872] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.503990][ T872] ? ___sys_sendmsg (net/socket.c:2670) 
[ 114.504329][ T872] ? __sys_sendmsg (net/socket.c:2700) 
[ 114.504713][ T872] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.505043][ T872] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 114.505456][ T872] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.505807][ T872] netif_set_mtu (net/core/dev.c:9652) 
[ 114.506152][ T872] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 114.506502][ T872] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 114.506767][ T872] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 114.507231][ T872] br_del_if (net/bridge/br_if.c:743) bridge 
[ 114.507621][ T872] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 114.507973][ T872] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 114.508304][ T872] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 114.508672][ T872] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 114.509102][ T872] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 114.509460][ T872] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 114.509807][ T872] ? __kernel_text_address (kernel/extable.c:79) 
[ 114.510132][ T872] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.510470][ T872] ? __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) 
[ 114.510791][ T872] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 114.511197][ T872] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.511540][ T872] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.511873][ T872] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 114.512197][ T872] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 114.512546][ T872] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.512896][ T872] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.513229][ T872] ? __create_object (mm/kmemleak.c:771) 
[ 114.513569][ T872] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 114.513880][ T872] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 114.514288][ T872] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 114.514684][ T872] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 114.515007][ T872] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.515321][ T872] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.515662][ T872] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.515977][ T872] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.516309][ T872] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.516635][ T872] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.516944][ T872] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.517249][ T872] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.517571][ T872] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.517877][ T872] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.518187][ T872] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.518504][ T872] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.518833][ T872] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.519151][ T872] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.519491][ T872] ? 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) 
[ 114.519814][ T872] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.520125][ T872] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.520450][ T872] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.520763][ T872] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.521101][ T872] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.521414][ T872] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.521730][ T872] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.522048][ T872] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.522383][ T872] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.522799][ T872] ___sys_sendmsg (net/socket.c:2670) 
[ 114.523134][ T872] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 114.523472][ T872] ? __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) 
[ 114.523857][ T872] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.524191][ T872] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.524550][ T872] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.524867][ T872] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.525170][ T872] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 114.525484][ T872] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.525829][ T872] __sys_sendmsg (net/socket.c:2700) 
[ 114.526136][ T872] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 114.526523][ T872] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.526871][ T872] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.527199][ T872] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.527516][ T872] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.527896][  T872] RIP: 0033:0x7f1956b1b1e7
[ 114.528216][ T872] 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)
[  114.529363][  T872] RSP: 002b:00007fff12855f28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.529841][  T872] RAX: ffffffffffffffda RBX: 00007fff12856650 RCX: 00007f1956b1b1e7
[  114.530301][  T872] RDX: 0000000000000000 RSI: 00007fff12855f90 RDI: 0000000000000005
[  114.530801][  T872] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  114.531280][  T872] R10: 00007f1956a18ee8 R11: 0000000000000246 R12: 0000000000000003
[  114.531756][  T872] R13: 00000000686e11ee R14: 0000000000499600 R15: 0000000000000000
| [  114.831908][  T876] ------------[ cut here ]------------
| [ 114.832236][ T876] WARNING: CPU: 1 PID: 876 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) 
| [  114.832814][  T876] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  114.833986][  T876] Tainted: [W]=WARN
[  114.834203][  T876] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.835291][ T876] 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) 
[ 114.835598][ T876] 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
[  114.836624][  T876] RSP: 0018:ffffc90000eef140 EFLAGS: 00010246
[  114.836993][  T876] RAX: 0000000000000000 RBX: ffff888007c81000 RCX: 0000000000000001
[  114.837431][  T876] RDX: 0000000000000000 RSI: ffffffffab69b941 RDI: ffffffffaae555e0
[  114.837850][  T876] RBP: ffffc90000eef230 R08: ffff88800b665000 R09: 0000000000000000
[  114.838281][  T876] R10: ffffc90000eef5c8 R11: ffffffffac450668 R12: 1ffff920001dde2c
[  114.838729][  T876] R13: 00000000000005dc R14: ffffc90000eef880 R15: ffff88801052ede0
[  114.839172][  T876] FS:  00007f820318c800(0000) GS:ffff888081d37000(0000) knlGS:0000000000000000
[  114.839712][  T876] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.840082][  T876] CR2: 00000000004e5aa8 CR3: 000000000d15d005 CR4: 0000000000772ef0
[  114.840527][  T876] PKRU: 55555554
[  114.840736][  T876] Call Trace:
[  114.840949][  T876]  <TASK>
[ 114.841119][ T876] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.841424][ T876] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.841709][ T876] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.841997][ T876] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 114.842301][ T876] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 114.842598][ T876] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 114.842894][ T876] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 114.843207][ T876] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 114.843737][ T876] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 114.844089][ T876] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 114.844419][ T876] ? __kernel_text_address (kernel/extable.c:79) 
[ 114.844764][ T876] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.845106][ T876] ? __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) 
[ 114.845451][ T876] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 114.845867][ T876] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.846223][ T876] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.846722][ T876] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 114.847213][ T876] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 114.847705][ T876] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.848197][ T876] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.848696][ T876] ? __create_object (mm/kmemleak.c:771) 
[ 114.849192][ T876] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 114.849814][ T876] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 114.850320][ T876] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 114.850956][ T876] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 114.851468][ T876] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.851967][ T876] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.852456][ T876] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.852952][ T876] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.853428][ T876] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.853917][ T876] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.854436][ T876] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.854910][ T876] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.855420][ T876] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.855908][ T876] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.856426][ T876] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.856872][ T876] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.857367][ T876] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.857893][ T876] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.858433][ T876] ? 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) 
[ 114.858936][ T876] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.859457][ T876] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.859946][ T876] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.860453][ T876] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.860948][ T876] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.861459][ T876] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.861949][ T876] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.862467][ T876] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.862961][ T876] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.863598][ T876] ___sys_sendmsg (net/socket.c:2670) 
[ 114.864071][ T876] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 114.864579][ T876] ? __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) 
[ 114.865163][ T876] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.865660][ T876] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.866165][ T876] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.866677][ T876] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.867157][ T876] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 114.867639][ T876] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.868141][ T876] __sys_sendmsg (net/socket.c:2700) 
[ 114.868674][ T876] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 114.869290][ T876] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.869836][ T876] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.870364][ T876] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.870800][ T876] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.871416][  T876] RIP: 0033:0x7f82033591e7
[ 114.871919][ T876] 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)
[  114.873681][  T876] RSP: 002b:00007ffde74a8978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.874444][  T876] RAX: ffffffffffffffda RBX: 00007ffde74a90a0 RCX: 00007f82033591e7
[  114.875162][  T876] RDX: 0000000000000000 RSI: 00007ffde74a89e0 RDI: 0000000000000005
[  114.875925][  T876] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  114.876659][  T876] R10: 00007f8203256ee8 R11: 0000000000000246 R12: 0000000000000004
[  114.877405][  T876] R13: 00000000686e11ee R14: 0000000000499600 R15: 0000000000000000
| [  116.142333][  T890] ------------[ cut here ]------------
| [ 116.142689][ T890] WARNING: CPU: 3 PID: 890 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) 
| [  116.143270][  T890] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  116.144514][  T890] Tainted: [W]=WARN
[  116.144728][  T890] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.145217][ T890] 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) 
[ 116.145523][ T890] 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
[  116.146550][  T890] RSP: 0018:ffffc9000122f140 EFLAGS: 00010246
[  116.146908][  T890] RAX: 0000000000000000 RBX: ffff88800be59000 RCX: 0000000000000001
[  116.147363][  T890] RDX: 0000000000000000 RSI: ffffffffab69b941 RDI: ffffffffaae555e0
[  116.147784][  T890] RBP: ffffc9000122f230 R08: ffff888010a7d000 R09: 0000000000000000
[  116.148199][  T890] R10: ffffc9000122f5c8 R11: ffffffffac450668 R12: 1ffff92000245e2c
[  116.148621][  T890] R13: 00000000000005dc R14: ffffc9000122f880 R15: ffff88801021dc60
[  116.149057][  T890] FS:  00007f87a602d800(0000) GS:ffff888081e37000(0000) knlGS:0000000000000000
[  116.149567][  T890] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.149918][  T890] CR2: 00000000004e5ab8 CR3: 000000000d37f003 CR4: 0000000000772ef0
[  116.150370][  T890] PKRU: 55555554
[  116.150580][  T890] Call Trace:
[  116.150788][  T890]  <TASK>
[ 116.150931][ T890] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 116.151241][ T890] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.151546][ T890] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.151827][ T890] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 116.152103][ T890] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 116.152415][ T890] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 116.152699][ T890] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 116.152990][ T890] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 116.153338][ T890] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 116.153628][ T890] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 116.153901][ T890] ? __kernel_text_address (kernel/extable.c:79) 
[ 116.154178][ T890] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.154467][ T890] ? __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) 
[ 116.154743][ T890] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 116.155090][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.155376][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.155654][ T890] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 116.155926][ T890] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 116.156210][ T890] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 116.156493][ T890] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.156763][ T890] ? __create_object (mm/kmemleak.c:771) 
[ 116.157048][ T890] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 116.157325][ T890] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 116.157609][ T890] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 116.157951][ T890] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 116.158240][ T890] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.158528][ T890] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.158802][ T890] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.159082][ T890] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 116.159373][ T890] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.159686][ T890] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.159963][ T890] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.160241][ T890] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.160527][ T890] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.160804][ T890] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.161085][ T890] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.161384][ T890] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.161674][ T890] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.161959][ T890] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.162230][ T890] ? 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) 
[ 116.162539][ T890] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 116.162819][ T890] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.163092][ T890] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.163387][ T890] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.163667][ T890] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.163967][ T890] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.164259][ T890] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.164581][ T890] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.164856][ T890] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.165213][ T890] ___sys_sendmsg (net/socket.c:2670) 
[ 116.165515][ T890] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 116.165794][ T890] ? __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) 
[ 116.166137][ T890] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.166425][ T890] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 116.166734][ T890] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.167015][ T890] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 116.167296][ T890] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 116.167583][ T890] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.167875][ T890] __sys_sendmsg (net/socket.c:2700) 
[ 116.168149][ T890] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 116.168500][ T890] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.168792][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.169072][ T890] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.169366][ T890] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.169750][  T890] RIP: 0033:0x7f87a61fa1e7
[ 116.170055][ T890] 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)
[  116.171082][  T890] RSP: 002b:00007ffd4040f6e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.171531][  T890] RAX: ffffffffffffffda RBX: 00007ffd4040fe10 RCX: 00007f87a61fa1e7
[  116.171978][  T890] RDX: 0000000000000000 RSI: 00007ffd4040f750 RDI: 0000000000000005
[  116.172430][  T890] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  116.172863][  T890] R10: 00007f87a60f7ee8 R11: 0000000000000246 R12: 0000000000000004
[  116.173303][  T890] R13: 00000000686e11ef R14: 0000000000499600 R15: 0000000000000000
| [  117.407992][  T902] ------------[ cut here ]------------
| [ 117.408386][ T902] WARNING: CPU: 2 PID: 902 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) 
| [  117.408993][  T902] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  117.410241][  T902] Tainted: [W]=WARN
[  117.410757][  T902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.411151][ T902] 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) 
[ 117.411476][ T902] 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
[  117.412532][  T902] RSP: 0018:ffffc9000124f140 EFLAGS: 00010246
[  117.412913][  T902] RAX: 0000000000000000 RBX: ffff8880077d1000 RCX: 0000000000000001
[  117.413373][  T902] RDX: 0000000000000000 RSI: ffffffffab69b941 RDI: ffffffffaae555e0
[  117.413817][  T902] RBP: ffffc9000124f230 R08: ffff8880027b6800 R09: 0000000000000000
[  117.414262][  T902] R10: ffffc9000124f5c8 R11: ffffffffac450668 R12: 1ffff92000249e2c
[  117.414716][  T902] R13: 00000000000005dc R14: ffffc9000124f880 R15: ffff88800f4a6a60
[  117.415162][  T902] FS:  00007f367c457800(0000) GS:ffff888081db7000(0000) knlGS:0000000000000000
[  117.415690][  T902] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.416068][  T902] CR2: 00000000004e5aa0 CR3: 0000000010b78002 CR4: 0000000000772ef0
[  117.416524][  T902] PKRU: 55555554
[  117.416757][  T902] Call Trace:
[  117.416989][  T902]  <TASK>
[ 117.417151][ T902] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 117.417471][ T902] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 117.417773][ T902] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.418086][ T902] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 117.418404][ T902] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 117.418712][ T902] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 117.419016][ T902] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 117.419324][ T902] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 117.419736][ T902] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 117.420044][ T902] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 117.420343][ T902] ? __kernel_text_address (kernel/extable.c:79) 
[ 117.420661][ T902] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.420969][ T902] ? __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) 
[ 117.421277][ T902] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 117.421661][ T902] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.421972][ T902] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.422277][ T902] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 117.422595][ T902] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 117.422903][ T902] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 117.423208][ T902] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 117.423517][ T902] ? __create_object (mm/kmemleak.c:771) 
[ 117.423833][ T902] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 117.424139][ T902] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 117.424465][ T902] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 117.424842][ T902] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 117.425150][ T902] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 117.425468][ T902] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.425770][ T902] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.426080][ T902] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 117.426389][ T902] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 117.426689][ T902] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.427002][ T902] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 117.427309][ T902] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 117.427620][ T902] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.427928][ T902] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.428236][ T902] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 117.428547][ T902] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 117.428849][ T902] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 117.429170][ T902] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 117.429490][ T902] ? 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) 
[ 117.429794][ T902] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 117.430100][ T902] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 117.430414][ T902] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.430725][ T902] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 117.431034][ T902] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 117.431356][ T902] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 117.431669][ T902] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 117.431976][ T902] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 117.432275][ T902] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 117.432674][ T902] ___sys_sendmsg (net/socket.c:2670) 
[ 117.432976][ T902] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 117.433280][ T902] ? __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) 
[ 117.433686][ T902] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 117.433994][ T902] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 117.434300][ T902] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 117.434619][ T902] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 117.434923][ T902] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 117.435226][ T902] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 117.435541][ T902] __sys_sendmsg (net/socket.c:2700) 
[ 117.435847][ T902] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 117.436226][ T902] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 117.436550][ T902] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 117.436854][ T902] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 117.437161][ T902] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  117.437544][  T902] RIP: 0033:0x7f367c6241e7
[ 117.437860][ T902] 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)
[  117.438927][  T902] RSP: 002b:00007fffff0199b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  117.439398][  T902] RAX: ffffffffffffffda RBX: 00007fffff01a0e0 RCX: 00007f367c6241e7
[  117.439853][  T902] RDX: 0000000000000000 RSI: 00007fffff019a20 RDI: 0000000000000005
[  117.440310][  T902] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  117.440774][  T902] R10: 00007f367c521ee8 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:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if