======================================
| [   23.317804][  T345] br1: port 1(vx100) entered forwarding state
| [   23.318990][  T345] ------------[ cut here ]------------
| [ 23.319369][ T345] WARNING: CPU: 3 PID: 345 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) 
| [   23.320009][  T345] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.322717][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.323132][ T345] 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) 
[ 23.323472][ T345] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.324623][  T345] RSP: 0018:ffffc90000716ef0 EFLAGS: 00010246
[   23.325037][  T345] RAX: 0000000000000000 RBX: ffff888009c3a000 RCX: 0000000000000001
[   23.325534][  T345] RDX: 0000000000000000 RSI: ffffffffb2c9b939 RDI: ffffffffb24555e0
[   23.326017][  T345] RBP: ffffc90000716fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.326508][  T345] R10: ffffc90000717010 R11: ffffffffb3aa8918 R12: 1ffff920000e2de2
[   23.326994][  T345] R13: 00000000000005dc R14: ffffc90000717010 R15: ffff888009c3af08
[   23.327500][  T345] FS:  00007f4be3520800(0000) GS:ffff888081637000(0000) knlGS:0000000000000000
[   23.328073][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.328541][  T345] CR2: 00000000004e6890 CR3: 000000000f457002 CR4: 0000000000772ef0
[   23.329072][  T345] PKRU: 55555554
[   23.329330][  T345] Call Trace:
[   23.329587][  T345]  <TASK>
[ 23.329762][ T345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.330096][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.330437][ T345] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.330765][ T345] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.331172][ T345] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.331508][ T345] netif_set_mtu (net/core/dev.c:9652) 
[ 23.331850][ T345] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.332194][ T345] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.332919][ T345] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.333168][ T345] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.333850][ T345] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.334221][ T345] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 23.334568][ T345] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.334899][ T345] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.335320][ T345] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.335647][ T345] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.335965][ T345] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.336295][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.336629][ T345] ? __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) 
[ 23.336973][ T345] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.337419][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.337741][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.338059][ T345] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.338426][ T345] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.338748][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.339067][ T345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.339393][ T345] ? __create_object (mm/kmemleak.c:771) 
[ 23.339963][ T345] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.340293][ T345] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.340850][ T345] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.341252][ T345] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.341599][ T345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.341929][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.342248][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.342583][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.342907][ T345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.343231][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.343562][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.343932][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.344256][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.344593][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.344917][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.345237][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.345578][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.345911][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.346230][ T345] ? 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) 
[ 23.346562][ T345] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.347117][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.347444][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.347771][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.348099][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.348655][ T345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.348982][ T345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.349316][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.349634][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.350267][ T345] ___sys_sendmsg (net/socket.c:2670) 
[ 23.350592][ T345] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.350914][ T345] ? __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) 
[ 23.351541][ T345] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.351874][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.352193][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.352526][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.353069][ T345] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.353394][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.353725][ T345] __sys_sendmsg (net/socket.c:2700) 
[ 23.354041][ T345] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.354447][ T345] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.354777][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.355098][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.355423][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.356041][  T345] RIP: 0033:0x7f4be36ed1e7
[ 23.356381][ T345] 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)
[   23.357775][  T345] RSP: 002b:00007fff00f23f18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.358259][  T345] RAX: ffffffffffffffda RBX: 00007fff00f24640 RCX: 00007f4be36ed1e7
[   23.358981][  T345] RDX: 0000000000000000 RSI: 00007fff00f23f80 RDI: 0000000000000005
[   23.359471][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.359953][  T345] R10: 000000000065a910 R11: 0000000000000246 R12: 0000000000000004
[   23.360668][  T345] R13: 00000000686e73de R14: 0000000000499600 R15: 0000000000000000
| [   23.596294][  T347] ------------[ cut here ]------------
| [ 23.596634][ T347] WARNING: CPU: 3 PID: 347 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) 
| [   23.597257][  T347] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.598596][  T347] Tainted: [W]=WARN
[   23.598842][  T347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.599237][ T347] 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) 
[ 23.599577][ T347] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.600732][  T347] RSP: 0018:ffffc90000ae6ef0 EFLAGS: 00010246
[   23.601132][  T347] RAX: 0000000000000000 RBX: ffff888009c3a000 RCX: 0000000000000001
[   23.601627][  T347] RDX: 0000000000000000 RSI: ffffffffb2c9b939 RDI: ffffffffb24555e0
[   23.602104][  T347] RBP: ffffc90000ae6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.602610][  T347] R10: ffffc90000ae7010 R11: ffffffffb3aa8918 R12: 1ffff9200015cde2
[   23.603090][  T347] R13: 00000000000005dc R14: ffffc90000ae7010 R15: ffff888009c3af08
[   23.603702][  T347] FS:  00007f80151a4800(0000) GS:ffff888081637000(0000) knlGS:0000000000000000
[   23.604255][  T347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.604666][  T347] CR2: 00000000004e5aa8 CR3: 000000000d7cc004 CR4: 0000000000772ef0
[   23.605169][  T347] PKRU: 55555554
[   23.605418][  T347] Call Trace:
[   23.605659][  T347]  <TASK>
[ 23.605825][ T347] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.606141][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.606476][ T347] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.606793][ T347] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.607207][ T347] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.607538][ T347] netif_set_mtu (net/core/dev.c:9652) 
[ 23.607855][ T347] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.608183][ T347] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.608634][ T347] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.608876][ T347] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.609348][ T347] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.609709][ T347] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 23.610032][ T347] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.610365][ T347] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.610766][ T347] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.611083][ T347] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.611420][ T347] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.611754][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.612079][ T347] ? __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) 
[ 23.612409][ T347] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.612802][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.613124][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.613470][ T347] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.613785][ T347] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.614102][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.614459][ T347] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.614781][ T347] ? __create_object (mm/kmemleak.c:771) 
[ 23.615102][ T347] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.615430][ T347] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.615759][ T347] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.616151][ T347] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.616484][ T347] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.616806][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.617126][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.617459][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.617782][ T347] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.618094][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.618421][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.618738][ T347] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.619055][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.619384][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.619710][ T347] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.620030][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.620359][ T347] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.620688][ T347] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.621005][ T347] ? 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) 
[ 23.621340][ T347] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.621670][ T347] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.621993][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.622328][ T347] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.622651][ T347] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.622968][ T347] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.623293][ T347] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.623623][ T347] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.623940][ T347] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.624361][ T347] ___sys_sendmsg (net/socket.c:2670) 
[ 23.624676][ T347] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.624991][ T347] ? __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) 
[ 23.625396][ T347] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.625718][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.626037][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.626375][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.626698][ T347] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.627015][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.627357][ T347] __sys_sendmsg (net/socket.c:2700) 
[ 23.627672][ T347] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.628063][ T347] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.628406][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.628726][ T347] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.629042][ T347] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.629450][  T347] RIP: 0033:0x7f80153711e7
[ 23.629786][ T347] 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)
[   23.630925][  T347] RSP: 002b:00007ffcb0c07e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.631416][  T347] RAX: ffffffffffffffda RBX: 00007ffcb0c08570 RCX: 00007f80153711e7
[   23.631901][  T347] RDX: 0000000000000000 RSI: 00007ffcb0c07eb0 RDI: 0000000000000005
[   23.632386][  T347] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.632863][  T347] R10: 0000000010ce9910 R11: 0000000000000246 R12: 0000000000000004
[   23.633356][  T347] R13: 00000000686e73df R14: 0000000000499600 R15: 0000000000000000
| [   23.971940][  T351] ------------[ cut here ]------------
| [ 23.972259][ T351] WARNING: CPU: 3 PID: 351 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) 
| [   23.972917][  T351] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.974522][  T351] Tainted: [W]=WARN
[   23.974766][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.975170][ T351] 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) 
[ 23.975512][ T351] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.976655][  T351] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   23.977056][  T351] RAX: 0000000000000000 RBX: ffff888009c3a000 RCX: 0000000000000001
[   23.977551][  T351] RDX: 0000000000000000 RSI: ffffffffb2c9b939 RDI: ffffffffb24555e0
[   23.978028][  T351] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.978520][  T351] R10: ffffc900005e7010 R11: ffffffffb3aa8918 R12: 1ffff920000bcde2
[   23.978998][  T351] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff888009c3af08
[   23.979500][  T351] FS:  00007f9b330f5800(0000) GS:ffff888081637000(0000) knlGS:0000000000000000
[   23.980060][  T351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.980472][  T351] CR2: 00000000004e5ab0 CR3: 000000000f481001 CR4: 0000000000772ef0
[   23.980952][  T351] PKRU: 55555554
[   23.981191][  T351] Call Trace:
[   23.981442][  T351]  <TASK>
[ 23.981629][ T351] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.981950][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.982276][ T351] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.982611][ T351] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.983011][ T351] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.983345][ T351] netif_set_mtu (net/core/dev.c:9652) 
[ 23.983667][ T351] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.983999][ T351] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.984455][ T351] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.984697][ T351] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.985120][ T351] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.985490][ T351] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 23.985813][ T351] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.986134][ T351] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.986556][ T351] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.986904][ T351] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.987221][ T351] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.987551][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.987872][ T351] ? __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) 
[ 23.988193][ T351] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.988599][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.988935][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.989252][ T351] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.989580][ T351] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.989897][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.990214][ T351] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.990543][ T351] ? __create_object (mm/kmemleak.c:771) 
[ 23.990867][ T351] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.991186][ T351] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.991537][ T351] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.991944][ T351] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.992266][ T351] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.992599][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.992917][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.993244][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.993574][ T351] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.993894][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.994215][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.994548][ T351] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.994867][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.995190][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.995525][ T351] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.995843][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.996162][ T351] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.996505][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.996823][ T351] ? 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) 
[ 23.997143][ T351] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.997482][ T351] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.997797][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.998122][ T351] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.998455][ T351] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.998806][ T351] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.999134][ T351] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.999474][ T351] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.999791][ T351] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.000198][ T351] ___sys_sendmsg (net/socket.c:2670) 
[ 24.000526][ T351] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.000841][ T351] ? __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) 
[ 24.001248][ T351] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.001597][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.001924][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.002248][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.002580][ T351] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.002898][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.003224][ T351] __sys_sendmsg (net/socket.c:2700) 
[ 24.003560][ T351] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.003959][ T351] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.004291][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.004647][ T351] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.004972][ T351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.005386][  T351] RIP: 0033:0x7f9b332c21e7
[ 24.005717][ T351] 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)
[   24.006879][  T351] RSP: 002b:00007ffd10216408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.007368][  T351] RAX: ffffffffffffffda RBX: 00007ffd10216b30 RCX: 00007f9b332c21e7
[   24.007847][  T351] RDX: 0000000000000000 RSI: 00007ffd10216470 RDI: 0000000000000005
[   24.008340][  T351] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.008814][  T351] R10: 0000000012d8c910 R11: 0000000000000246 R12: 0000000000000004
[   24.009289][  T351] R13: 00000000686e73df R14: 0000000000499600 R15: 0000000000000000
| [   28.413930][  T399] ------------[ cut here ]------------
| [ 28.414343][ T399] WARNING: CPU: 2 PID: 399 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) 
| [   28.415046][  T399] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   28.416495][  T399] Tainted: [W]=WARN
[   28.416771][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.417211][ T399] 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) 
[ 28.417592][ T399] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   28.418841][  T399] RSP: 0018:ffffc900009b6ef0 EFLAGS: 00010246
[   28.419303][  T399] RAX: 0000000000000000 RBX: ffff88800510a000 RCX: 0000000000000001
[   28.419848][  T399] RDX: 0000000000000000 RSI: ffffffffb2c9b939 RDI: ffffffffb24555e0
[   28.420399][  T399] RBP: ffffc900009b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   28.420934][  T399] R10: ffffc900009b7010 R11: ffffffffb3179160 R12: 1ffff92000136de2
[   28.421467][  T399] R13: 00000000000005dc R14: ffffc900009b7010 R15: ffff88800510af08
[   28.422007][  T399] FS:  00007f48c7abe800(0000) GS:ffff8880815b7000(0000) knlGS:0000000000000000
[   28.422634][  T399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.423086][  T399] CR2: 00000000004e6898 CR3: 0000000020e5d002 CR4: 0000000000772ef0
[   28.423623][  T399] PKRU: 55555554
[   28.423897][  T399] Call Trace:
[   28.424169][  T399]  <TASK>
[ 28.424372][ T399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.424737][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.425112][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.425457][ T399] netif_set_mtu (net/core/dev.c:9652) 
[ 28.425787][ T399] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.426120][ T399] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.426381][ T399] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 28.426816][ T399] br_add_if (net/bridge/br_if.c:697) bridge 
[ 28.427173][ T399] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 28.427511][ T399] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 28.427834][ T399] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.428236][ T399] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.428564][ T399] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.428904][ T399] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.429227][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.429564][ T399] ? __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) 
[ 28.429898][ T399] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.430290][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.430633][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.430971][ T399] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 28.431294][ T399] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 28.431642][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.431984][ T399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.432304][ T399] ? __create_object (mm/kmemleak.c:771) 
[ 28.432640][ T399] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 28.432976][ T399] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 28.433301][ T399] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.433726][ T399] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 28.434072][ T399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.434417][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.434737][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.435079][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.435413][ T399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.435733][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.436070][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.436401][ T399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.436725][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.437061][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.437401][ T399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.437725][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.438045][ T399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.438407][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.438725][ T399] ? 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) 
[ 28.439043][ T399] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 28.439391][ T399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.439707][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.440031][ T399] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.440382][ T399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.440707][ T399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.441030][ T399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.441386][ T399] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.441715][ T399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.442120][ T399] ___sys_sendmsg (net/socket.c:2670) 
[ 28.442469][ T399] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.442790][ T399] ? __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) 
[ 28.443190][ T399] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.443538][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.443861][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.444187][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.444535][ T399] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 28.444853][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.445179][ T399] __sys_sendmsg (net/socket.c:2700) 
[ 28.445529][ T399] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.445921][ T399] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.446252][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.446601][ T399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.446919][ T399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.447331][  T399] RIP: 0033:0x7f48c7c8b1e7
[ 28.447666][ T399] 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)
[   28.448795][  T399] RSP: 002b:00007ffe6b736688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.449265][  T399] RAX: ffffffffffffffda RBX: 00007ffe6b736db0 RCX: 00007f48c7c8b1e7
[   28.449764][  T399] RDX: 0000000000000000 RSI: 00007ffe6b7366f0 RDI: 0000000000000005
[   28.450242][  T399] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.450736][  T399] R10: 00000000313eb910 R11: 0000000000000246 R12: 0000000000000004
[   28.451202][  T399] R13: 00000000686e73e4 R14: 0000000000499600 R15: 0000000000000000
| [   29.247940][  T406] ------------[ cut here ]------------
| [ 29.248345][ T406] WARNING: CPU: 2 PID: 406 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) 
| [   29.249035][  T406] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.251249][  T406] Tainted: [W]=WARN
[   29.251545][  T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.252003][ T406] 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) 
[ 29.252387][ T406] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   29.253661][  T406] RSP: 0018:ffffc90000a86ef0 EFLAGS: 00010246
[   29.254210][  T406] RAX: 0000000000000000 RBX: ffff88800510a000 RCX: 0000000000000001
[   29.254763][  T406] RDX: 0000000000000000 RSI: ffffffffb2c9b939 RDI: ffffffffb24555e0
[   29.255292][  T406] RBP: ffffc90000a86fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.255836][  T406] R10: ffffc90000a87010 R11: ffffffffb3179160 R12: 1ffff92000150de2
[   29.256373][  T406] R13: 00000000000005dc R14: ffffc90000a87010 R15: ffff88800510af08
[   29.256897][  T406] FS:  00007f1acc8a1800(0000) GS:ffff8880815b7000(0000) knlGS:0000000000000000
[   29.257549][  T406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.258000][  T406] CR2: 00000000004e6898 CR3: 000000000e8ef005 CR4: 0000000000772ef0
[   29.258547][  T406] PKRU: 55555554
[   29.258824][  T406] Call Trace:
[   29.259099][  T406]  <TASK>
[ 29.259292][ T406] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.259669][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.260039][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.260413][ T406] netif_set_mtu (net/core/dev.c:9652) 
[ 29.260775][ T406] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.261158][ T406] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.261462][ T406] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.261967][ T406] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.262385][ T406] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 29.262752][ T406] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.263118][ T406] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.263581][ T406] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.263949][ T406] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.264316][ T406] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.264681][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.265042][ T406] ? __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) 
[ 29.265426][ T406] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.265870][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.266232][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.266609][ T406] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.266969][ T406] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.267338][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.267721][ T406] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.268080][ T406] ? __create_object (mm/kmemleak.c:771) 
[ 29.268456][ T406] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.268820][ T406] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.269188][ T406] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.269654][ T406] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.270025][ T406] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.270398][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.270758][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.271122][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.271494][ T406] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.271867][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.272238][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.272610][ T406] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.272971][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.273355][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.273724][ T406] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.274083][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.274455][ T406] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.274836][ T406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.275194][ T406] ? 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) 
[ 29.275568][ T406] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 29.275932][ T406] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.276290][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.276670][ T406] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.277033][ T406] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.277422][ T406] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.277794][ T406] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.278159][ T406] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.278529][ T406] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.278985][ T406] ___sys_sendmsg (net/socket.c:2670) 
[ 29.279353][ T406] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.279714][ T406] ? __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) 
[ 29.280163][ T406] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.280560][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.280925][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.281293][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.281687][ T406] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.282051][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.282435][ T406] __sys_sendmsg (net/socket.c:2700) 
[ 29.282797][ T406] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.283246][ T406] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.283630][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.283993][ T406] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.284367][ T406] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.284807][  T406] RIP: 0033:0x7f1acca6e1e7
[ 29.285176][ T406] 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)
[   29.286436][  T406] RSP: 002b:00007ffe1823faa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.286971][  T406] RAX: ffffffffffffffda RBX: 00007ffe182401d0 RCX: 00007f1acca6e1e7
[   29.287513][  T406] RDX: 0000000000000000 RSI: 00007ffe1823fb10 RDI: 0000000000000005
[   29.288046][  T406] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.288586][  T406] R10: 00000000131e3910 R11: 0000000000000246 R12: 0000000000000004
[   29.289117][  T406] R13: 00000000686e73e4 R14: 0000000000499600 R15: 0000000000000000
| [   33.405819][  T446] ------------[ cut here ]------------
| [ 33.406183][ T446] WARNING: CPU: 3 PID: 446 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.406806][  T446] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   33.408056][  T446] Tainted: [W]=WARN
[   33.408289][  T446] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.408679][ T446] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.408994][ T446] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.410088][  T446] RSP: 0018:ffffc90000cfeef0 EFLAGS: 00010246
[   33.410479][  T446] RAX: 0000000000000000 RBX: ffff888010432000 RCX: 0000000000000001
[   33.410936][  T446] RDX: 0000000000000000 RSI: ffffffffb2c9b939 RDI: ffffffffb24555e0
[   33.411404][  T446] RBP: ffffc90000cfefe0 R08: 0000000000000000 R09: 0000000000000000
[   33.411874][  T446] R10: ffffc90000cff010 R11: ffffffffb3179160 R12: 1ffff9200019fde2
[   33.412338][  T446] R13: 00000000000005dc R14: ffffc90000cff010 R15: ffff888010432f08
[   33.412790][  T446] FS:  00007f9d608ba800(0000) GS:ffff888081637000(0000) knlGS:0000000000000000
[   33.413336][  T446] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.413775][  T446] CR2: 00000000004e6898 CR3: 000000000b912006 CR4: 0000000000772ef0
[   33.414253][  T446] PKRU: 55555554
[   33.414510][  T446] Call Trace:
[   33.414739][  T446]  <TASK>
[ 33.414897][ T446] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.415203][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.415532][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.415838][ T446] netif_set_mtu (net/core/dev.c:9652) 
[ 33.416143][ T446] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.416473][ T446] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.416704][ T446] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.417126][ T446] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.417495][ T446] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 33.417812][ T446] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.418119][ T446] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.418515][ T446] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.418819][ T446] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.419120][ T446] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.419438][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.419752][ T446] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 33.420061][ T446] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.420444][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.420752][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.421054][ T446] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.421365][ T446] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.421697][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.422003][ T446] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.422303][ T446] ? __create_object (mm/kmemleak.c:771) 
[ 33.422626][ T446] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.422932][ T446] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.423236][ T446] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.423622][ T446] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.423942][ T446] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.424250][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.424562][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.424881][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.425187][ T446] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.425494][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.425799][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.426103][ T446] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.426414][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.426721][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.427032][ T446] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.427351][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.427655][ T446] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.427970][ T446] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.428280][ T446] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 33.428593][ T446] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 33.428900][ T446] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.429205][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.429526][ T446] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.429833][ T446] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.430137][ T446] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.430457][ T446] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.430763][ T446] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.431066][ T446] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.431470][ T446] ___sys_sendmsg (net/socket.c:2670) 
[ 33.431798][ T446] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.432099][ T446] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 33.432487][ T446] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.432793][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.433102][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.433421][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.433724][ T446] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.434032][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.434404][ T446] __sys_sendmsg (net/socket.c:2700) 
[ 33.434723][ T446] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.435118][ T446] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.435457][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.435777][ T446] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.436095][ T446] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.436503][  T446] RIP: 0033:0x7f9d60a871e7
[ 33.436836][ T446] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   33.437976][  T446] RSP: 002b:00007ffc655384c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.438467][  T446] RAX: ffffffffffffffda RBX: 00007ffc65538bf0 RCX: 00007f9d60a871e7
[   33.438954][  T446] RDX: 0000000000000000 RSI: 00007ffc65538530 RDI: 0000000000000005
[   33.439439][  T446] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.439917][  T446] R10: 0000000016f89910 R11: 0000000000000246 R12: 0000000000000004
[   33.440410][  T446] R13: 00000000686e73e9 R14: 0000000000499600 R15: 0000000000000000
| [   34.266123][  T453] ------------[ cut here ]------------
| [ 34.266451][ T453] WARNING: CPU: 0 PID: 453 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) 
| [   34.267052][  T453] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   34.268305][  T453] Tainted: [W]=WARN
[   34.268545][  T453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.268922][ T453] 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) 
[ 34.269235][ T453] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.270347][  T453] RSP: 0018:ffffc90000686ef0 EFLAGS: 00010246
[   34.270728][  T453] RAX: 0000000000000000 RBX: ffff888010432000 RCX: 0000000000000001
[   34.271186][  T453] RDX: 0000000000000000 RSI: ffffffffb2c9b939 RDI: ffffffffb24555e0
[   34.271664][  T453] RBP: ffffc90000686fe0 R08: 0000000000000000 R09: 0000000000000000
[   34.272127][  T453] R10: ffffc90000687010 R11: ffffffffb3179160 R12: 1ffff920000d0de2
[   34.272590][  T453] R13: 00000000000005dc R14: ffffc90000687010 R15: ffff888010432f08
[   34.273047][  T453] FS:  00007fc6600de800(0000) GS:ffff8880814b7000(0000) knlGS:0000000000000000
[   34.273585][  T453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.273976][  T453] CR2: 00000000004e6898 CR3: 0000000020c16003 CR4: 0000000000772ef0
[   34.274441][  T453] PKRU: 55555554
[   34.274669][  T453] Call Trace:
[   34.274897][  T453]  <TASK>
[ 34.275055][ T453] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.275370][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.275686][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.275994][ T453] netif_set_mtu (net/core/dev.c:9652) 
[ 34.276315][ T453] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.276641][ T453] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.276873][ T453] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.277292][ T453] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.277664][ T453] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 34.277974][ T453] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.278283][ T453] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.278683][ T453] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.278987][ T453] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.279292][ T453] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.279608][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.279916][ T453] ? __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) 
[ 34.280218][ T453] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.280608][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.280921][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.281223][ T453] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.281539][ T453] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.281854][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.282158][ T453] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.282469][ T453] ? __create_object (mm/kmemleak.c:771) 
[ 34.282781][ T453] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.283086][ T453] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.283407][ T453] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.283786][ T453] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.284095][ T453] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.284414][ T453] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.284718][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.285031][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.285343][ T453] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.285654][ T453] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.285965][ T453] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.286270][ T453] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.286589][ T453] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.286897][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.287207][ T453] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.287523][ T453] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.287828][ T453] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.288150][ T453] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.288460][ T453] ? 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) 
[ 34.288766][ T453] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 34.289079][ T453] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.289390][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.289699][ T453] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.290009][ T453] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.290328][ T453] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.290643][ T453] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.290951][ T453] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.291254][ T453] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.291658][ T453] ___sys_sendmsg (net/socket.c:2670) 
[ 34.291964][ T453] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.292266][ T453] ? __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) 
[ 34.292658][ T453] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.292967][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.293277][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.293600][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.293905][ T453] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.294211][ T453] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.294535][ T453] __sys_sendmsg (net/socket.c:2700) 
[ 34.294846][ T453] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.295224][ T453] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.295551][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.295863][ T453] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.296172][ T453] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.296560][  T453] RIP: 0033:0x7fc6602ab1e7
[ 34.296874][ T453] 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)
[   34.297974][  T453] RSP: 002b:00007ffddf8d2bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.298448][  T453] RAX: ffffffffffffffda RBX: 00007ffddf8d3300 RCX: 00007fc6602ab1e7
[   34.298902][  T453] RDX: 0000000000000000 RSI: 00007ffddf8d2c40 RDI: 0000000000000005
[   34.299376][  T453] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.299830][  T453] R10: 0000000036b64910 R11: 0000000000000246 R12: 0000000000000004
[   34.300285][  T453] R13: 00000000686e73e9 R14: 0000000000499600 R15: 0000000000000000
| [   52.264010][  T577] ------------[ cut here ]------------
| [ 52.264917][ T577] WARNING: CPU: 0 PID: 577 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) 
| [   52.265538][  T577] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   52.266819][  T577] Tainted: [W]=WARN
[   52.267056][  T577] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 52.267445][ T577] 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) 
[ 52.267760][ T577] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   52.268849][  T577] RSP: 0018:ffffc900011fef70 EFLAGS: 00010246
[   52.269231][  T577] RAX: 0000000000000000 RBX: ffff888009c3a000 RCX: 0000000000000001
[   52.269696][  T577] RDX: 0000000000000000 RSI: ffffffffb2c9b939 RDI: ffffffffb24555e0
[   52.270154][  T577] RBP: ffffc900011ff058 R08: 0000000000000000 R09: 0000000000000000
[   52.270671][  T577] R10: ffffc900011ff088 R11: ffffffffaf000130 R12: 1ffff9200023fdf2
[   52.271137][  T577] R13: 00000000000005dc R14: ffffc900011ff088 R15: ffff888009c3af08
[   52.271638][  T577] FS:  00007f9b2791f800(0000) GS:ffff8880814b7000(0000) knlGS:0000000000000000
[   52.272185][  T577] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.272579][  T577] CR2: 00000000004e5ab0 CR3: 00000000052cf003 CR4: 0000000000772ef0
[   52.273037][  T577] PKRU: 55555554
[   52.273293][  T577] Call Trace:
[   52.273538][  T577]  <TASK>
[ 52.273695][ T577] ? __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) 
[ 52.274085][ T577] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 52.274481][ T577] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 52.274809][ T577] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 52.275115][ T577] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 52.275428][ T577] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 52.275736][ T577] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.276039][ T577] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.276353][ T577] ? ___sys_sendmsg (net/socket.c:2670) 
[ 52.276658][ T577] ? __sys_sendmsg (net/socket.c:2700) 
[ 52.276957][ T577] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.277257][ T577] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 52.277642][ T577] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.277960][ T577] netif_set_mtu (net/core/dev.c:9652) 
[ 52.278263][ T577] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 52.278596][ T577] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 52.278827][ T577] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 52.279238][ T577] br_del_if (net/bridge/br_if.c:743) bridge 
[ 52.279578][ T577] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 52.279885][ T577] do_set_master (net/core/rtnetlink.c:2932) 
[ 52.280196][ T577] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 52.280519][ T577] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 52.280908][ T577] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 52.281216][ T577] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 52.281537][ T577] ? __kernel_text_address (kernel/extable.c:79) 
[ 52.281878][ T577] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.282184][ T577] ? __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) 
[ 52.282496][ T577] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 52.282874][ T577] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.283179][ T577] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.283493][ T577] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 52.283797][ T577] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 52.284110][ T577] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.284420][ T577] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 52.284723][ T577] ? __create_object (mm/kmemleak.c:771) 
[ 52.285030][ T577] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 52.285343][ T577] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 52.285646][ T577] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 52.286026][ T577] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 52.286346][ T577] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 52.286661][ T577] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.286965][ T577] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.287275][ T577] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.287587][ T577] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 52.287891][ T577] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.288198][ T577] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.288509][ T577] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 52.288814][ T577] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.289125][ T577] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.289445][ T577] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 52.289748][ T577] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.290051][ T577] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 52.290375][ T577] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 52.290822][ T577] ? 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) 
[ 52.291378][ T577] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 52.291857][ T577] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 52.292163][ T577] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.292495][ T577] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.292804][ T577] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 52.293111][ T577] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 52.293458][ T577] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.293770][ T577] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 52.294082][ T577] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 52.294481][ T577] ___sys_sendmsg (net/socket.c:2670) 
[ 52.294783][ T577] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 52.295087][ T577] ? __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) 
[ 52.295474][ T577] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 52.295781][ T577] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.296088][ T577] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.296419][ T577] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.296731][ T577] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 52.297032][ T577] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.297365][ T577] __sys_sendmsg (net/socket.c:2700) 
[ 52.297688][ T577] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 52.298062][ T577] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 52.298386][ T577] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.298698][ T577] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.299025][ T577] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   52.299492][  T577] RIP: 0033:0x7f9b27aec1e7
[ 52.299815][ T577] 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)
[   52.300917][  T577] RSP: 002b:00007ffe48a1a1f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   52.301385][  T577] RAX: ffffffffffffffda RBX: 00007ffe48a1a920 RCX: 00007f9b27aec1e7
[   52.301856][  T577] RDX: 0000000000000000 RSI: 00007ffe48a1a260 RDI: 0000000000000005
[   52.302319][  T577] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   52.302776][  T577] R10: 00007f9b279e9ee8 R11: 0000000000000246 R12: 0000000000000003
[   52.303235][  T577] R13: 00000000686e73fb R14: 0000000000499600 R15: 0000000000000000
| [   52.685968][  T580] ------------[ cut here ]------------
| [ 52.686324][ T580] WARNING: CPU: 2 PID: 580 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) 
| [   52.686943][  T580] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   52.688273][  T580] Tainted: [W]=WARN
[   52.688526][  T580] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 52.688919][ T580] 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) 
[ 52.689244][ T580] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   52.690350][  T580] RSP: 0018:ffffc9000122ef70 EFLAGS: 00010246
[   52.690745][  T580] RAX: 0000000000000000 RBX: ffff888009c3a000 RCX: 0000000000000001
[   52.691252][  T580] RDX: 0000000000000000 RSI: ffffffffb2c9b939 RDI: ffffffffb24555e0
[   52.692801][  T580] RBP: ffffc9000122f058 R08: 0000000000000000 R09: 0000000000000000
[   52.693332][  T580] R10: ffffc9000122f088 R11: ffffffffb3179160 R12: 1ffff92000245df2
[   52.693822][  T580] R13: 00000000000005dc R14: ffffc9000122f088 R15: ffff888009c3af08
[   52.694324][  T580] FS:  00007f105f7b2800(0000) GS:ffff8880815b7000(0000) knlGS:0000000000000000
[   52.694908][  T580] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.695334][  T580] CR2: 00000000004e5aa8 CR3: 000000000e2cb003 CR4: 0000000000772ef0
[   52.695820][  T580] PKRU: 55555554
[   52.696070][  T580] Call Trace:
[   52.696333][  T580]  <TASK>
[ 52.696506][ T580] ? __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) 
[ 52.696916][ T580] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 52.697321][ T580] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 52.697643][ T580] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 52.697957][ T580] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 52.698273][ T580] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 52.698600][ T580] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.698917][ T580] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.699233][ T580] ? ___sys_sendmsg (net/socket.c:2670) 
[ 52.699557][ T580] ? __sys_sendmsg (net/socket.c:2700) 
[ 52.699876][ T580] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.700192][ T580] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 52.700589][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.700916][ T580] netif_set_mtu (net/core/dev.c:9652) 
[ 52.701233][ T580] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 52.701579][ T580] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 52.701855][ T580] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 52.702292][ T580] br_del_if (net/bridge/br_if.c:743) bridge 
[ 52.702654][ T580] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 52.702974][ T580] do_set_master (net/core/rtnetlink.c:2932) 
[ 52.703294][ T580] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 52.703628][ T580] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 52.704029][ T580] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 52.704359][ T580] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 52.704683][ T580] ? __kernel_text_address (kernel/extable.c:79) 
[ 52.705004][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.705338][ T580] ? __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) 
[ 52.705655][ T580] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 52.706053][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.706384][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.706700][ T580] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 52.707020][ T580] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 52.707351][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.707669][ T580] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 52.707983][ T580] ? __create_object (mm/kmemleak.c:771) 
[ 52.708301][ T580] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 52.708634][ T580] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 52.708949][ T580] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 52.709351][ T580] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 52.709680][ T580] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 52.710008][ T580] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.710334][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.710657][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.710973][ T580] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 52.711287][ T580] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.711631][ T580] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.711960][ T580] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 52.712282][ T580] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.712659][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.712999][ T580] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 52.713346][ T580] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.713677][ T580] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 52.714022][ T580] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 52.714361][ T580] ? 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) 
[ 52.714703][ T580] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 52.715039][ T580] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 52.715387][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.715727][ T580] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.716065][ T580] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 52.716416][ T580] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 52.716760][ T580] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.717104][ T580] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 52.717448][ T580] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 52.717870][ T580] ___sys_sendmsg (net/socket.c:2670) 
[ 52.718202][ T580] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 52.718563][ T580] ? __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) 
[ 52.718978][ T580] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 52.719324][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.719670][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.720010][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.720356][ T580] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 52.720692][ T580] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.721033][ T580] __sys_sendmsg (net/socket.c:2700) 
[ 52.721377][ T580] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 52.721805][ T580] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 52.722153][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.722498][ T580] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.722833][ T580] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   52.723241][  T580] RIP: 0033:0x7f105f97f1e7
[ 52.723597][ T580] 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)
[   52.724780][  T580] RSP: 002b:00007fff5c1bbe88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   52.725259][  T580] RAX: ffffffffffffffda RBX: 00007fff5c1bc5b0 RCX: 00007f105f97f1e7
[   52.725737][  T580] RDX: 0000000000000000 RSI: 00007fff5c1bbef0 RDI: 0000000000000005
[   52.726205][  T580] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   52.726688][  T580] R10: 00007f105f87cee8 R11: 0000000000000246 R12: 0000000000000003
[   52.727153][  T580] R13: 00000000686e73fc R14: 0000000000499600 R15: 0000000000000000
| [   52.921864][  T581] ------------[ cut here ]------------
| [ 52.922190][ T581] WARNING: CPU: 3 PID: 581 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) 
| [   52.922817][  T581] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   52.924079][  T581] Tainted: [W]=WARN
[   52.924325][  T581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 52.924712][ T581] 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) 
[ 52.925032][ T581] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   52.926117][  T581] RSP: 0018:ffffc9000123ef70 EFLAGS: 00010246
[   52.926517][  T581] RAX: 0000000000000000 RBX: ffff888009c3a000 RCX: 0000000000000001
[   52.926980][  T581] RDX: 0000000000000000 RSI: ffffffffb2c9b939 RDI: ffffffffb24555e0
[   52.928584][  T581] RBP: ffffc9000123f058 R08: 0000000000000000 R09: 0000000000000000
[   52.929042][  T581] R10: ffffc9000123f088 R11: ffffffffb3179160 R12: 1ffff92000247df2
[   52.929545][  T581] R13: 00000000000005dc R14: ffffc9000123f088 R15: ffff888009c3af08
[   52.930039][  T581] FS:  00007fa88f954800(0000) GS:ffff888081637000(0000) knlGS:0000000000000000
[   52.930614][  T581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.931011][  T581] CR2: 00000000004e73c0 CR3: 000000000973d003 CR4: 0000000000772ef0
[   52.931475][  T581] PKRU: 55555554
[   52.931722][  T581] Call Trace:
[   52.931951][  T581]  <TASK>
[ 52.932105][ T581] ? __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) 
[ 52.932506][ T581] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 52.932846][ T581] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 52.933149][ T581] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 52.933464][ T581] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 52.933768][ T581] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 52.934074][ T581] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.934403][ T581] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.934714][ T581] ? ___sys_sendmsg (net/socket.c:2670) 
[ 52.935016][ T581] ? __sys_sendmsg (net/socket.c:2700) 
[ 52.935329][ T581] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.935640][ T581] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 52.936018][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.936344][ T581] netif_set_mtu (net/core/dev.c:9652) 
[ 52.936652][ T581] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 52.936976][ T581] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 52.937212][ T581] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 52.937636][ T581] br_del_if (net/bridge/br_if.c:743) bridge 
[ 52.937972][ T581] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 52.938275][ T581] do_set_master (net/core/rtnetlink.c:2932) 
[ 52.938600][ T581] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 52.938910][ T581] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 52.939296][ T581] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 52.939615][ T581] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 52.939918][ T581] ? __kernel_text_address (kernel/extable.c:79) 
[ 52.940228][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.940548][ T581] ? __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) 
[ 52.940856][ T581] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 52.941236][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.941549][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.941874][ T581] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 52.942185][ T581] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 52.942508][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.942817][ T581] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 52.943120][ T581] ? __create_object (mm/kmemleak.c:771) 
[ 52.943434][ T581] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 52.943739][ T581] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 52.944044][ T581] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 52.944437][ T581] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 52.944750][ T581] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 52.945057][ T581] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.945372][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.945680][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.945983][ T581] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 52.946282][ T581] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.946612][ T581] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.946915][ T581] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 52.947219][ T581] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.947534][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.947842][ T581] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 52.948143][ T581] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.948456][ T581] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 52.948780][ T581] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 52.949089][ T581] ? 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) 
[ 52.949403][ T581] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 52.949711][ T581] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 52.950014][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.950345][ T581] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.950654][ T581] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 52.950957][ T581] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 52.951277][ T581] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.951595][ T581] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 52.951915][ T581] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 52.952304][ T581] ___sys_sendmsg (net/socket.c:2670) 
[ 52.952619][ T581] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 52.952920][ T581] ? __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) 
[ 52.953301][ T581] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 52.953625][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.953940][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.954250][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.954572][ T581] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 52.954877][ T581] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.955186][ T581] __sys_sendmsg (net/socket.c:2700) 
[ 52.955496][ T581] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 52.955882][ T581] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 52.956203][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.956517][ T581] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.956822][ T581] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   52.957198][  T581] RIP: 0033:0x7fa88fb211e7
[ 52.957520][ T581] 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)
[   52.958629][  T581] RSP: 002b:00007ffe5d9ec988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   52.959094][  T581] RAX: ffffffffffffffda RBX: 00007ffe5d9ed0b0 RCX: 00007fa88fb211e7
[   52.959560][  T581] RDX: 0000000000000000 RSI: 00007ffe5d9ec9f0 RDI: 0000000000000005
[   52.960019][  T581] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   52.960529][  T581] R10: 00007fa88fa1eee8 R11: 0000000000000246 R12: 0000000000000003


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