======================================
| [   16.221401][  T276] fbond: entered promiscuous mode
| [   16.222490][  T276] ------------[ cut here ]------------
| [ 16.222788][ T276] WARNING: CPU: 1 PID: 276 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) 
| [   16.223389][  T276] Modules linked in:
[   16.224269][  T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.224646][ T276] 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) 
[ 16.225112][ T276] Code: 00 00 8b 05 87 65 35 02 85 c0 0f 84 52 fe ff ff 48 8d bb 80 0c 00 00 be ff ff ff ff e8 ca 7e 82 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 87 65 35 02    	mov    0x2356587(%rip),%eax        # 0x235658f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb 80 0c 00 00 	lea    0xc80(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca 7e 82 00       	call   0x827eeb
  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
[   16.226327][  T276] RSP: 0018:ffffc90000ba6ef0 EFLAGS: 00010246
[   16.226718][  T276] RAX: 0000000000000000 RBX: ffff88800a9ba000 RCX: 0000000000000001
[   16.227309][  T276] RDX: 0000000000000000 RSI: ffffffff878e6e91 RDI: ffffffff870555a0
[   16.227757][  T276] RBP: ffffc90000ba6fe0 R08: 0000000000000000 R09: 0000000000000000
[   16.228366][  T276] R10: ffffc90000ba7010 R11: ffffffff886cd718 R12: 1ffff92000174de2
[   16.228826][  T276] R13: 00000000000005dc R14: ffffc90000ba7010 R15: ffff88800a9baef8
[   16.229415][  T276] FS:  00007fc2499a5800(0000) GS:ffff8880ac8c8000(0000) knlGS:0000000000000000
[   16.229971][  T276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.230354][  T276] CR2: 00000000004e6eb0 CR3: 0000000004d0a004 CR4: 0000000000772ef0
[   16.230805][  T276] PKRU: 55555554
[   16.231054][  T276] Call Trace:
[   16.231281][  T276]  <TASK>
[ 16.231447][ T276] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 16.231750][ T276] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.232066][ T276] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 16.232364][ T276] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.232738][ T276] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.233055][ T276] netif_set_mtu (net/core/dev.c:9652) 
[ 16.233358][ T276] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 16.233669][ T276] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 16.233904][ T276] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 16.234209][ T276] br_add_if (net/bridge/br_if.c:697) 
[ 16.234445][ T276] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 16.234742][ T276] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 16.235055][ T276] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 16.235359][ T276] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 16.235746][ T276] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 16.236055][ T276] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 16.236358][ T276] ? __kernel_text_address (kernel/extable.c:79) 
[ 16.236658][ T276] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.236974][ T276] ? __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) 
[ 16.237281][ T276] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 16.237650][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.237958][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.238266][ T276] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 16.238571][ T276] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 16.238885][ T276] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.239187][ T276] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 16.239485][ T276] ? __create_object (mm/kmemleak.c:771) 
[ 16.239791][ T276] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 16.240099][ T276] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 16.240400][ T276] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.240771][ T276] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 16.241094][ T276] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 16.241396][ T276] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 16.241692][ T276] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.242010][ T276] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.242307][ T276] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 16.242599][ T276] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.242917][ T276] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 16.243221][ T276] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 16.243519][ T276] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 16.243819][ T276] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.244137][ T276] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 16.244428][ T276] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 16.244723][ T276] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 16.245044][ T276] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 16.245344][ T276] ? 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) 
[ 16.245641][ T276] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 16.245956][ T276] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 16.246253][ T276] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.246552][ T276] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 16.246860][ T276] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 16.247156][ T276] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 16.247460][ T276] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 16.247758][ T276] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 16.248084][ T276] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 16.248473][ T276] ___sys_sendmsg (net/socket.c:2670) 
[ 16.248763][ T276] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 16.249070][ T276] ? __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) 
[ 16.249436][ T276] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 16.249731][ T276] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.250035][ T276] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.250334][ T276] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.250630][ T276] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 16.250934][ T276] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.251238][ T276] __sys_sendmsg (net/socket.c:2700) 
[ 16.251527][ T276] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 16.251906][ T276] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 16.252215][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.252509][ T276] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 16.252801][ T276] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.253182][  T276] RIP: 0033:0x7fc249b721e7
[ 16.253496][ T276] 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)
[   16.254602][  T276] RSP: 002b:00007ffeaf04ce28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   16.255061][  T276] RAX: ffffffffffffffda RBX: 00007ffeaf04d550 RCX: 00007fc249b721e7
[   16.255508][  T276] RDX: 0000000000000000 RSI: 00007ffeaf04ce90 RDI: 0000000000000005
[   16.255971][  T276] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   16.256426][  T276] R10: 0000000025356910 R11: 0000000000000246 R12: 0000000000000003
[   16.256900][  T276] R13: 00000000686e499e R14: 0000000000499600 R15: 0000000000000000
| [   16.403382][  T279] ------------[ cut here ]------------
| [ 16.403844][ T279] WARNING: CPU: 2 PID: 279 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) 
| [   16.404457][  T279] Modules linked in:
| [   16.406609][  T279] Tainted: [W]=WARN
[   16.406918][  T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.407302][ T279] 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) 
[ 16.407623][ T279] Code: 00 00 8b 05 87 65 35 02 85 c0 0f 84 52 fe ff ff 48 8d bb 80 0c 00 00 be ff ff ff ff e8 ca 7e 82 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 87 65 35 02    	mov    0x2356587(%rip),%eax        # 0x235658f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb 80 0c 00 00 	lea    0xc80(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca 7e 82 00       	call   0x827eeb
  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
[   16.408707][  T279] RSP: 0018:ffffc90000b46d70 EFLAGS: 00010246
[   16.409122][  T279] RAX: 0000000000000000 RBX: ffff888008f49000 RCX: 0000000000000001
[   16.409584][  T279] RDX: 0000000000000000 RSI: ffffffff878e6e91 RDI: ffffffff870555a0
[   16.410053][  T279] RBP: ffffc90000b46e60 R08: 0000000000000001 R09: 0000000000000000
[   16.410505][  T279] R10: ffffc90000b46e90 R11: ffffffff84b24624 R12: 1ffff92000168db2
[   16.411242][  T279] R13: 00000000000005dc R14: ffffc90000b46e90 R15: 0000000000000000
[   16.411922][  T279] FS:  00007f1b58f7c800(0000) GS:ffff8880ac948000(0000) knlGS:0000000000000000
[   16.412450][  T279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.412846][  T279] CR2: 00000000004e6eb0 CR3: 00000000098e9001 CR4: 0000000000772ef0
[   16.413303][  T279] PKRU: 55555554
[   16.413536][  T279] Call Trace:
[   16.413764][  T279]  <TASK>
[ 16.413933][ T279] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 16.414239][ T279] ? rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 16.414540][ T279] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 16.415271][ T279] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 16.415590][ T279] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 16.415902][ T279] ? ___sys_sendmsg (net/socket.c:2670) 
[ 16.416423][ T279] ? __sys_sendmsg (net/socket.c:2700) 
[ 16.416725][ T279] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 16.417040][ T279] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 16.417418][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.417734][ T279] netif_set_mtu (net/core/dev.c:9652) 
[ 16.418061][ T279] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 16.418381][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.418692][ T279] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 21)) 
[ 16.419015][ T279] ? __kmalloc_cache_noprof (mm/slub.c:4361) 
[ 16.419327][ T279] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 16.419564][ T279] bond_enslave (drivers/net/bonding/bond_main.c:2114) 
[ 16.419894][ T279] ? __pfx_bond_enslave (drivers/net/bonding/bond_main.c:1964) 
[ 16.420216][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.420529][ T279] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.420846][ T279] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 16.421163][ T279] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.421475][ T279] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 16.421785][ T279] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 16.422106][ T279] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 16.422421][ T279] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 16.422848][ T279] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 16.423164][ T279] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 16.423621][ T279] ? __kernel_text_address (kernel/extable.c:79) 
[ 16.423953][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.424265][ T279] ? __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) 
[ 16.424573][ T279] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 16.424964][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.425275][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.425579][ T279] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 16.425927][ T279] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 16.426237][ T279] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.426548][ T279] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 16.426862][ T279] ? __create_object (mm/kmemleak.c:771) 
[ 16.427174][ T279] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 16.427482][ T279] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 16.427788][ T279] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.428196][ T279] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 16.428519][ T279] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 16.428846][ T279] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 16.429162][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.429477][ T279] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.429781][ T279] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 16.430095][ T279] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.430401][ T279] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 16.430705][ T279] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 16.431032][ T279] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 16.431350][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.431935][ T279] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 16.432254][ T279] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 16.432563][ T279] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 16.433103][ T279] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 16.433416][ T279] ? 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) 
[ 16.433735][ T279] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 16.434297][ T279] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 16.434622][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.434947][ T279] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 16.435258][ T279] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 16.435564][ T279] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 16.435891][ T279] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 16.436411][ T279] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 16.436729][ T279] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 16.437151][ T279] ___sys_sendmsg (net/socket.c:2670) 
[ 16.437890][ T279] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 16.438426][ T279] ? __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) 
[ 16.438807][ T279] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 16.439128][ T279] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.439444][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.439763][ T279] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.440081][ T279] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 16.440392][ T279] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.440711][ T279] __sys_sendmsg (net/socket.c:2700) 
[ 16.441021][ T279] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 16.441402][ T279] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 16.441724][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.442255][ T279] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 16.442572][ T279] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.442957][  T279] RIP: 0033:0x7f1b591491e7
[ 16.444148][ T279] 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)
[   16.445237][  T279] RSP: 002b:00007fff9676ec68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   16.445710][  T279] RAX: ffffffffffffffda RBX: 00007fff9676f390 RCX: 00007f1b591491e7
[   16.446440][  T279] RDX: 0000000000000000 RSI: 00007fff9676ecd0 RDI: 0000000000000005
[   16.446908][  T279] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   16.447369][  T279] R10: 0000000000678910 R11: 0000000000000246 R12: 0000000000000003
[   16.447842][  T279] R13: 00000000686e499f R14: 0000000000499600 R15: 0000000000000000
| [   16.594912][  T280] ------------[ cut here ]------------
| [ 16.595283][ T280] WARNING: CPU: 0 PID: 280 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) 
| [   16.596475][  T280] Modules linked in:
| [   16.597400][  T280] Tainted: [W]=WARN
[   16.597646][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.598081][ T280] 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) 
[ 16.598415][ T280] Code: 00 00 8b 05 87 65 35 02 85 c0 0f 84 52 fe ff ff 48 8d bb 80 0c 00 00 be ff ff ff ff e8 ca 7e 82 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 87 65 35 02    	mov    0x2356587(%rip),%eax        # 0x235658f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb 80 0c 00 00 	lea    0xc80(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 ca 7e 82 00       	call   0x827eeb
  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
[   16.599575][  T280] RSP: 0018:ffffc90000bc6d70 EFLAGS: 00010246
[   16.599999][  T280] RAX: 0000000000000000 RBX: ffff888005541000 RCX: 0000000000000001
[   16.600481][  T280] RDX: 0000000000000000 RSI: ffffffff878e6e91 RDI: ffffffff870555a0
[   16.600970][  T280] RBP: ffffc90000bc6e60 R08: 0000000000000010 R09: 0000000000000000
[   16.601453][  T280] R10: ffffc90000bc6e90 R11: ffffffff87d79160 R12: 1ffff92000178db2
[   16.601944][  T280] R13: 00000000000005dc R14: ffffc90000bc6e90 R15: 0000000000000000
[   16.602431][  T280] FS:  00007f153136a800(0000) GS:ffff8880ac848000(0000) knlGS:0000000000000000
[   16.602999][  T280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.603405][  T280] CR2: 00000000004e5530 CR3: 000000000e0a2002 CR4: 0000000000772ef0
[   16.603897][  T280] PKRU: 55555554
[   16.604137][  T280] Call Trace:
[   16.604387][  T280]  <TASK>
[ 16.604545][ T280] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 16.604879][ T280] ? rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 16.605222][ T280] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 16.605543][ T280] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 16.605875][ T280] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 16.606195][ T280] ? ___sys_sendmsg (net/socket.c:2670) 
[ 16.606515][ T280] ? __sys_sendmsg (net/socket.c:2700) 
[ 16.606849][ T280] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 16.607171][ T280] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 16.607570][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.607926][ T280] netif_set_mtu (net/core/dev.c:9652) 
[ 16.608263][ T280] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 16.608593][ T280] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.608926][ T280] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 21)) 
[ 16.609260][ T280] ? __kmalloc_cache_noprof (mm/slub.c:4361) 
[ 16.609584][ T280] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 16.609844][ T280] bond_enslave (drivers/net/bonding/bond_main.c:2114) 
[ 16.610181][ T280] ? __pfx_bond_enslave (drivers/net/bonding/bond_main.c:1964) 
[ 16.610510][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.610846][ T280] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.611158][ T280] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 16.611479][ T280] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.611811][ T280] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 16.612146][ T280] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 16.612476][ T280] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 16.612801][ T280] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 16.613217][ T280] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 16.613538][ T280] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 16.613868][ T280] ? __kernel_text_address (kernel/extable.c:79) 
[ 16.614201][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.614526][ T280] ? __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) 
[ 16.614860][ T280] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 16.615265][ T280] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.615584][ T280] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.615913][ T280] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 16.616234][ T280] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 16.616564][ T280] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.616891][ T280] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 16.617209][ T280] ? __create_object (mm/kmemleak.c:771) 
[ 16.617536][ T280] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 16.617866][ T280] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 16.618196][ T280] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.618596][ T280] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 16.618937][ T280] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 16.619271][ T280] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 16.619591][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.619926][ T280] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.620245][ T280] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 16.620561][ T280] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.620890][ T280] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 16.621210][ T280] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 16.621531][ T280] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 16.621871][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.622201][ T280] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 16.622519][ T280] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 16.622853][ T280] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 16.623190][ T280] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 16.623512][ T280] ? 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) 
[ 16.623850][ T280] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 16.624172][ T280] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 16.624491][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.624817][ T280] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 16.625149][ T280] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 16.625469][ T280] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 16.625806][ T280] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 16.626143][ T280] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 16.626468][ T280] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 16.626888][ T280] ___sys_sendmsg (net/socket.c:2670) 
[ 16.627207][ T280] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 16.627526][ T280] ? __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) 
[ 16.627939][ T280] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 16.628274][ T280] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.628598][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.628943][ T280] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.629264][ T280] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 16.629585][ T280] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.629927][ T280] __sys_sendmsg (net/socket.c:2700) 
[ 16.630248][ T280] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 16.630646][ T280] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 16.630992][ T280] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.631320][ T280] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 16.631641][ T280] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.632048][  T280] RIP: 0033:0x7f15315371e7
[ 16.632380][ T280] 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)
[   16.633578][  T280] RSP: 002b:00007ffcf9c36cf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   16.634073][  T280] RAX: ffffffffffffffda RBX: 00007ffcf9c37420 RCX: 00007f15315371e7
[   16.634555][  T280] RDX: 0000000000000000 RSI: 00007ffcf9c36d60 RDI: 0000000000000005
[   16.635047][  T280] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   16.635532][  T280] R10: 000000002f08b910 R11: 0000000000000246 R12: 0000000000000003


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