======================================
| [   23.800283][  T347] br1: port 1(vx100) entered forwarding state
| [   23.802084][  T347] ------------[ cut here ]------------
| [ 23.802572][ T347] WARNING: CPU: 2 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) 
| [   23.803672][  T347] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.805237][  T347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.805813][ 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) 
[ 23.806429][ 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
[   23.807904][  T347] RSP: 0018:ffffc900005a6ef0 EFLAGS: 00010246
[   23.808710][  T347] RAX: 0000000000000000 RBX: ffff88800a16a000 RCX: 0000000000000001
[   23.809401][  T347] RDX: 0000000000000000 RSI: ffffffff9fa9b939 RDI: ffffffff9f2555e0
[   23.810152][  T347] RBP: ffffc900005a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.811086][  T347] R10: ffffc900005a7010 R11: ffffffffa08a8918 R12: 1ffff920000b4de2
[   23.811652][  T347] R13: 00000000000005dc R14: ffffc900005a7010 R15: ffff88800a16af08
[   23.812433][  T347] FS:  00007f3bc0f8c800(0000) GS:ffff8880947b7000(0000) knlGS:0000000000000000
[   23.813287][  T347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.813869][  T347] CR2: 00000000004e6890 CR3: 000000000aa73006 CR4: 0000000000772ef0
[   23.814446][  T347] PKRU: 55555554
[   23.814731][  T347] Call Trace:
[   23.815189][  T347]  <TASK>
[ 23.815415][ T347] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.815930][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.816569][ T347] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.816964][ T347] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.817587][ T347] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.818197][ T347] netif_set_mtu (net/core/dev.c:9652) 
[ 23.818686][ T347] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.819096][ T347] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.819594][ T347] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.820085][ T347] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.820583][ T347] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.821116][ T347] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 23.821762][ T347] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.822214][ T347] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.822666][ T347] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.823048][ T347] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.823490][ T347] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.824126][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.824677][ 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) 
[ 23.825076][ T347] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.825524][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.826035][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.826668][ T347] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.827315][ T347] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.827730][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.828143][ T347] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.828658][ T347] ? __create_object (mm/kmemleak.c:771) 
[ 23.829068][ T347] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.829431][ T347] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.829798][ T347] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.830288][ T347] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.830711][ T347] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.831152][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.831690][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.832219][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.832635][ T347] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.833062][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.833638][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.834236][ T347] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.834712][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.835078][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.835416][ T347] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.835757][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.836303][ T347] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.836823][ T347] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.837209][ 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) 
[ 23.837828][ T347] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.838408][ T347] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.838759][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.839125][ T347] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.839698][ T347] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.840196][ T347] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.840708][ T347] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.841092][ T347] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.841421][ T347] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.841847][ T347] ___sys_sendmsg (net/socket.c:2670) 
[ 23.842340][ T347] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.842761][ 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) 
[ 23.843467][ T347] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.843804][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.844473][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.845019][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.845526][ 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) 
[ 23.846098][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.846446][ T347] __sys_sendmsg (net/socket.c:2700) 
[ 23.846786][ T347] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.847469][ T347] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.848117][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.848560][ T347] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.848897][ T347] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.849517][  T347] RIP: 0033:0x7f3bc11591e7
[ 23.850015][ 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)
[   23.851419][  T347] RSP: 002b:00007ffd72496128 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.852095][  T347] RAX: ffffffffffffffda RBX: 00007ffd72496850 RCX: 00007f3bc11591e7
[   23.852945][  T347] RDX: 0000000000000000 RSI: 00007ffd72496190 RDI: 0000000000000005
[   23.853566][  T347] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.854398][  T347] R10: 000000002d60f910 R11: 0000000000000246 R12: 0000000000000004
[   23.855467][  T347] R13: 00000000686e68ef R14: 0000000000499600 R15: 0000000000000000
| [   24.183254][  T349] ------------[ cut here ]------------
| [ 24.183577][ T349] WARNING: CPU: 1 PID: 349 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.184393][  T349] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.185707][  T349] Tainted: [W]=WARN
[   24.185960][  T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.186381][ T349] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.186741][ T349] 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
[   24.187879][  T349] RSP: 0018:ffffc900004d6ef0 EFLAGS: 00010246
[   24.188309][  T349] RAX: 0000000000000000 RBX: ffff88800a16a000 RCX: 0000000000000001
[   24.188790][  T349] RDX: 0000000000000000 RSI: ffffffff9fa9b939 RDI: ffffffff9f2555e0
[   24.189285][  T349] RBP: ffffc900004d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.189756][  T349] R10: ffffc900004d7010 R11: ffffffffa08a8918 R12: 1ffff9200009ade2
[   24.190254][  T349] R13: 00000000000005dc R14: ffffc900004d7010 R15: ffff88800a16af08
[   24.190734][  T349] FS:  00007f5382640800(0000) GS:ffff888094737000(0000) knlGS:0000000000000000
[   24.191313][  T349] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.191713][  T349] CR2: 00000000004e5aa8 CR3: 00000000091c1006 CR4: 0000000000772ef0
[   24.192360][  T349] PKRU: 55555554
[   24.192786][  T349] Call Trace:
[   24.193073][  T349]  <TASK>
[ 24.193240][ T349] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.193560][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.193884][ T349] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.194224][ T349] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.194617][ T349] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.194934][ T349] netif_set_mtu (net/core/dev.c:9652) 
[ 24.195282][ T349] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.195617][ T349] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.196117][ T349] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.196363][ T349] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.196813][ T349] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.197228][ T349] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 24.197552][ T349] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.197915][ T349] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.198350][ T349] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.198669][ T349] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.198985][ T349] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.199333][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.199652][ T349] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 24.199974][ T349] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.200518][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.200845][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.201194][ T349] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.201515][ T349] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.201834][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.202196][ T349] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.202522][ T349] ? __create_object (mm/kmemleak.c:771) 
[ 24.202844][ T349] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.203192][ T349] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.203510][ T349] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.203903][ T349] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.204258][ T349] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.204582][ T349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.204900][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.205235][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.205554][ T349] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.205875][ T349] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.206214][ T349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.206542][ T349] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.206862][ T349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.207194][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.207513][ T349] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.207831][ T349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.208185][ T349] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.208514][ T349] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.208828][ T349] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.209169][ T349] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 24.209488][ T349] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.209807][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.210148][ T349] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.210478][ T349] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.210795][ T349] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.211141][ T349] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.211462][ T349] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.211776][ T349] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.212214][ T349] ___sys_sendmsg (net/socket.c:2670) 
[ 24.212528][ T349] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.212845][ T349] ? __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) 
[ 24.213255][ T349] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.213576][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.213896][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.214234][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.214550][ T349] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.214876][ T349] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.215223][ T349] __sys_sendmsg (net/socket.c:2700) 
[ 24.215535][ T349] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.215922][ T349] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.216282][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.216611][ T349] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.216930][ T349] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.217337][  T349] RIP: 0033:0x7f538280d1e7
[ 24.217671][ T349] 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)
[   24.218830][  T349] RSP: 002b:00007ffc2caf4158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.219319][  T349] RAX: ffffffffffffffda RBX: 00007ffc2caf4880 RCX: 00007f538280d1e7
[   24.219795][  T349] RDX: 0000000000000000 RSI: 00007ffc2caf41c0 RDI: 0000000000000005
[   24.220298][  T349] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.220770][  T349] R10: 00000000046be910 R11: 0000000000000246 R12: 0000000000000004
[   24.221256][  T349] R13: 00000000686e68ef R14: 0000000000499600 R15: 0000000000000000
| [   24.578440][  T352] ------------[ cut here ]------------
| [ 24.578810][ T352] WARNING: CPU: 3 PID: 352 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.579537][  T352] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.581353][  T352] Tainted: [W]=WARN
[   24.581623][  T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.582073][ T352] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.582440][ T352] 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
[   24.583705][  T352] RSP: 0018:ffffc900006f6ef0 EFLAGS: 00010246
[   24.584442][  T352] RAX: 0000000000000000 RBX: ffff88800a16a000 RCX: 0000000000000001
[   24.584975][  T352] RDX: 0000000000000000 RSI: ffffffff9fa9b939 RDI: ffffffff9f2555e0
[   24.585780][  T352] RBP: ffffc900006f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.586464][  T352] R10: ffffc900006f7010 R11: ffffffffa08a8918 R12: 1ffff920000dede2
[   24.587082][  T352] R13: 00000000000005dc R14: ffffc900006f7010 R15: ffff88800a16af08
[   24.587611][  T352] FS:  00007f92c1773800(0000) GS:ffff888094837000(0000) knlGS:0000000000000000
[   24.588251][  T352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.588696][  T352] CR2: 00000000004e5ab0 CR3: 000000000cbce004 CR4: 0000000000772ef0
[   24.589263][  T352] PKRU: 55555554
[   24.589523][  T352] Call Trace:
[   24.589772][  T352]  <TASK>
[ 24.589943][ T352] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.590287][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.590631][ T352] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.590957][ T352] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.591371][ T352] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.591702][ T352] netif_set_mtu (net/core/dev.c:9652) 
[ 24.592048][ T352] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.592382][ T352] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.592835][ T352] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.593096][ T352] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.593545][ T352] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.593920][ T352] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 24.594263][ T352] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.594596][ T352] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.595047][ T352] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.595387][ T352] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.595713][ T352] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.596064][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.596395][ T352] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 24.596737][ T352] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.597158][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.597488][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.597813][ T352] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.598154][ T352] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.598491][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.598819][ T352] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.599151][ T352] ? __create_object (mm/kmemleak.c:771) 
[ 24.599478][ T352] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.599803][ T352] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.600141][ T352] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.600545][ T352] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.600875][ T352] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.601217][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.601541][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.601870][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.602203][ T352] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.602523][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.602850][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.603187][ T352] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.603509][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.603828][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.604155][ T352] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.604469][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.604783][ T352] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.605128][ T352] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.605457][ T352] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.605783][ T352] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 24.606120][ T352] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.606443][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.606790][ T352] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.607127][ T352] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.607450][ T352] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.607796][ T352] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.608147][ T352] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.608472][ T352] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.608899][ T352] ___sys_sendmsg (net/socket.c:2670) 
[ 24.609242][ T352] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.609566][ T352] ? __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) 
[ 24.609971][ T352] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.610317][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.610647][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.610979][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.611304][ T352] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.611613][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.611931][ T352] __sys_sendmsg (net/socket.c:2700) 
[ 24.612250][ T352] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.612636][ T352] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.612977][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.613312][ T352] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.613642][ T352] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.614062][  T352] RIP: 0033:0x7f92c19401e7
[ 24.614401][ T352] 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)
[   24.615573][  T352] RSP: 002b:00007ffe39a45df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.616153][  T352] RAX: ffffffffffffffda RBX: 00007ffe39a46520 RCX: 00007f92c19401e7
[   24.616692][  T352] RDX: 0000000000000000 RSI: 00007ffe39a45e60 RDI: 0000000000000005
[   24.617230][  T352] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.617767][  T352] R10: 000000001f12f910 R11: 0000000000000246 R12: 0000000000000004
[   24.618301][  T352] R13: 00000000686e68f0 R14: 0000000000499600 R15: 0000000000000000
| [   29.431332][  T399] ------------[ cut here ]------------
| [ 29.431658][ T399] WARNING: CPU: 3 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) 
| [   29.432297][  T399] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.433577][  T399] Tainted: [W]=WARN
[   29.433820][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.434223][ 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) 
[ 29.434547][ 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
[   29.435651][  T399] RSP: 0018:ffffc900008e6ef0 EFLAGS: 00010246
[   29.436056][  T399] RAX: 0000000000000000 RBX: ffff88800feaa000 RCX: 0000000000000001
[   29.436524][  T399] RDX: 0000000000000000 RSI: ffffffff9fa9b939 RDI: ffffffff9f2555e0
[   29.436991][  T399] RBP: ffffc900008e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.437453][  T399] R10: ffffc900008e7010 R11: ffffffff9ff79160 R12: 1ffff9200011cde2
[   29.437914][  T399] R13: 00000000000005dc R14: ffffc900008e7010 R15: ffff88800feaaf08
[   29.438408][  T399] FS:  00007fdde390b800(0000) GS:ffff888094837000(0000) knlGS:0000000000000000
[   29.438940][  T399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.439329][  T399] CR2: 00000000004e6898 CR3: 000000000b6c4006 CR4: 0000000000772ef0
[   29.439791][  T399] PKRU: 55555554
[   29.440039][  T399] Call Trace:
[   29.440268][  T399]  <TASK>
[ 29.440427][ T399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.440742][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.441066][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.441375][ T399] netif_set_mtu (net/core/dev.c:9652) 
[ 29.441679][ T399] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.442009][ T399] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.442242][ T399] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.442680][ T399] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.443046][ T399] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 29.443359][ T399] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.443670][ T399] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.444075][ T399] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.444388][ T399] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.444695][ T399] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.445019][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.445336][ 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) 
[ 29.445643][ T399] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.446032][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.446342][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.446654][ T399] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.446960][ T399] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.447277][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.447586][ T399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.447891][ T399] ? __create_object (mm/kmemleak.c:771) 
[ 29.448224][ T399] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.448537][ T399] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.448843][ T399] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.449236][ T399] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.449549][ T399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.449861][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.450182][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.450496][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.450801][ T399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.451111][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.451418][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.451724][ T399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.452047][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.452365][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.452674][ T399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.452979][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.453295][ T399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.453610][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.453913][ 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) 
[ 29.454229][ T399] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 29.454544][ T399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.454847][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.455164][ T399] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.455473][ T399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.455777][ T399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.456106][ T399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.456428][ T399] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.456742][ T399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.457152][ T399] ___sys_sendmsg (net/socket.c:2670) 
[ 29.457459][ T399] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.457767][ 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) 
[ 29.458161][ T399] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.458470][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.458781][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.459106][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.459426][ 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) 
[ 29.459733][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.460066][ T399] __sys_sendmsg (net/socket.c:2700) 
[ 29.460371][ T399] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.460748][ T399] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.461073][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.461381][ T399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.461696][ T399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.462083][  T399] RIP: 0033:0x7fdde3ad81e7
[ 29.462403][ 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)
[   29.463499][  T399] RSP: 002b:00007ffe9f3990b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.463970][  T399] RAX: ffffffffffffffda RBX: 00007ffe9f3997e0 RCX: 00007fdde3ad81e7
[   29.464448][  T399] RDX: 0000000000000000 RSI: 00007ffe9f399120 RDI: 0000000000000005
[   29.464917][  T399] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.465387][  T399] R10: 000000003a27c910 R11: 0000000000000246 R12: 0000000000000004
[   29.465857][  T399] R13: 00000000686e68f5 R14: 0000000000499600 R15: 0000000000000000
| [   30.324193][  T406] ------------[ cut here ]------------
| [ 30.324572][ 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) 
| [   30.325237][  T406] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   30.327327][  T406] Tainted: [W]=WARN
[   30.327608][  T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.328037][ 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) 
[ 30.328387][ 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
[   30.329580][  T406] RSP: 0018:ffffc90000916ef0 EFLAGS: 00010246
[   30.330013][  T406] RAX: 0000000000000000 RBX: ffff88800feaa000 RCX: 0000000000000001
[   30.330505][  T406] RDX: 0000000000000000 RSI: ffffffff9fa9b939 RDI: ffffffff9f2555e0
[   30.331007][  T406] RBP: ffffc90000916fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.331498][  T406] R10: ffffc90000917010 R11: ffffffff9ff79160 R12: 1ffff92000122de2
[   30.332010][  T406] R13: 00000000000005dc R14: ffffc90000917010 R15: ffff88800feaaf08
[   30.332506][  T406] FS:  00007fa2d1f5b800(0000) GS:ffff8880947b7000(0000) knlGS:0000000000000000
[   30.333103][  T406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.333526][  T406] CR2: 00000000004e6898 CR3: 000000000b749006 CR4: 0000000000772ef0
[   30.334037][  T406] PKRU: 55555554
[   30.334292][  T406] Call Trace:
[   30.334551][  T406]  <TASK>
[ 30.334732][ T406] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.335082][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.335426][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.335764][ T406] netif_set_mtu (net/core/dev.c:9652) 
[ 30.336115][ T406] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.336466][ T406] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.336743][ T406] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.337217][ T406] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.337590][ T406] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 30.337916][ T406] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.338256][ T406] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.338657][ T406] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.338986][ T406] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.339317][ T406] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.339646][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.339968][ 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) 
[ 30.340303][ T406] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.340702][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.341054][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.341375][ T406] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.341701][ T406] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.342035][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.342357][ T406] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.342672][ T406] ? __create_object (mm/kmemleak.c:771) 
[ 30.342992][ T406] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.343325][ T406] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.343642][ T406] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.344058][ T406] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.344384][ T406] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.344707][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.345050][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.345378][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.345700][ T406] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.346028][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.346349][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.346691][ T406] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.347032][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.347359][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.347684][ T406] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.348016][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.348338][ T406] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.348666][ T406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.348986][ 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) 
[ 30.349332][ T406] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 30.349657][ T406] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.349975][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.350318][ T406] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.350642][ T406] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.350961][ T406] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.351315][ T406] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.351641][ T406] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.351959][ T406] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.352374][ T406] ___sys_sendmsg (net/socket.c:2670) 
[ 30.352693][ T406] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.353041][ 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) 
[ 30.353439][ T406] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.353775][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.354114][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.354439][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.354760][ 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) 
[ 30.355089][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.355418][ T406] __sys_sendmsg (net/socket.c:2700) 
[ 30.355734][ T406] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.356141][ T406] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.356481][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.356818][ T406] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.357172][ T406] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.357570][  T406] RIP: 0033:0x7fa2d21281e7
[ 30.357910][ 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)
[   30.359037][  T406] RSP: 002b:00007ffcffea7338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.359509][  T406] RAX: ffffffffffffffda RBX: 00007ffcffea7a60 RCX: 00007fa2d21281e7
[   30.359982][  T406] RDX: 0000000000000000 RSI: 00007ffcffea73a0 RDI: 0000000000000005
[   30.360464][  T406] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.360944][  T406] R10: 0000000007945910 R11: 0000000000000246 R12: 0000000000000004
[   30.361437][  T406] R13: 00000000686e68f6 R14: 0000000000499600 R15: 0000000000000000
| [   34.769201][  T446] ------------[ cut here ]------------
| [ 34.769518][ T446] WARNING: CPU: 0 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) 
| [   34.770133][  T446] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   34.771399][  T446] Tainted: [W]=WARN
[   34.771633][  T446] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.772026][ 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) 
[ 34.772352][ 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
[   34.773444][  T446] RSP: 0018:ffffc90000c3eef0 EFLAGS: 00010246
[   34.773831][  T446] RAX: 0000000000000000 RBX: ffff88800ffa2000 RCX: 0000000000000001
[   34.774299][  T446] RDX: 0000000000000000 RSI: ffffffff9fa9b939 RDI: ffffffff9f2555e0
[   34.774764][  T446] RBP: ffffc90000c3efe0 R08: 0000000000000000 R09: 0000000000000000
[   34.775227][  T446] R10: ffffc90000c3f010 R11: ffffffff9ff79160 R12: 1ffff92000187de2
[   34.775683][  T446] R13: 00000000000005dc R14: ffffc90000c3f010 R15: ffff88800ffa2f08
[   34.776147][  T446] FS:  00007f71efe40800(0000) GS:ffff8880946b7000(0000) knlGS:0000000000000000
[   34.776694][  T446] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.777086][  T446] CR2: 00000000004e6898 CR3: 00000000097e2004 CR4: 0000000000772ef0
[   34.777547][  T446] PKRU: 55555554
[   34.777777][  T446] Call Trace:
[   34.778015][  T446]  <TASK>
[ 34.778176][ T446] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.778492][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.778807][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.779125][ T446] netif_set_mtu (net/core/dev.c:9652) 
[ 34.779430][ T446] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.779749][ T446] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.779981][ T446] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.780425][ T446] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.780778][ T446] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 34.781110][ T446] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.781420][ T446] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.781803][ T446] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.782135][ T446] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.782439][ T446] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.782751][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.783069][ 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) 
[ 34.783385][ T446] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.783764][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.784082][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.784385][ T446] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.784691][ T446] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.785008][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.785312][ T446] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.785623][ T446] ? __create_object (mm/kmemleak.c:771) 
[ 34.785932][ T446] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.786247][ T446] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.786561][ T446] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.786943][ T446] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.787260][ T446] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.787571][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.787874][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.788197][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.788501][ T446] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.788802][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.789113][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.789418][ T446] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.789724][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.790043][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.790359][ T446] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.790664][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.790971][ T446] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.791296][ T446] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.791603][ 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) 
[ 34.791911][ T446] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 34.792230][ T446] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.792544][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.792859][ T446] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.793180][ T446] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.793489][ T446] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.793802][ T446] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.794122][ T446] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.794428][ T446] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.794825][ T446] ___sys_sendmsg (net/socket.c:2670) 
[ 34.795137][ T446] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.795445][ 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) 
[ 34.795827][ T446] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.796142][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.796455][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.796783][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.797096][ 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) 
[ 34.797430][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.797743][ T446] __sys_sendmsg (net/socket.c:2700) 
[ 34.798059][ T446] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.798438][ T446] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.798756][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.799073][ T446] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.799382][ T446] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.799770][  T446] RIP: 0033:0x7f71f000d1e7
[ 34.800095][ 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)
[   34.801191][  T446] RSP: 002b:00007ffedc5aa558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.801654][  T446] RAX: ffffffffffffffda RBX: 00007ffedc5aac80 RCX: 00007f71f000d1e7
[   34.802118][  T446] RDX: 0000000000000000 RSI: 00007ffedc5aa5c0 RDI: 0000000000000005
[   34.802574][  T446] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.803039][  T446] R10: 00000000164ac910 R11: 0000000000000246 R12: 0000000000000004
[   34.803527][  T446] R13: 00000000686e68fa R14: 0000000000499600 R15: 0000000000000000
| [   35.662660][  T453] ------------[ cut here ]------------
| [ 35.662976][ T453] WARNING: CPU: 3 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) 
| [   35.663596][  T453] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   35.665523][  T453] Tainted: [W]=WARN
[   35.665755][  T453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.666145][ 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) 
[ 35.666466][ 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
[   35.667581][  T453] RSP: 0018:ffffc90000c6eef0 EFLAGS: 00010246
[   35.667972][  T453] RAX: 0000000000000000 RBX: ffff88800ffa2000 RCX: 0000000000000001
[   35.668437][  T453] RDX: 0000000000000000 RSI: ffffffff9fa9b939 RDI: ffffffff9f2555e0
[   35.668935][  T453] RBP: ffffc90000c6efe0 R08: 0000000000000000 R09: 0000000000000000
[   35.669407][  T453] R10: ffffc90000c6f010 R11: ffffffffa08a8918 R12: 1ffff9200018dde2
[   35.669865][  T453] R13: 00000000000005dc R14: ffffc90000c6f010 R15: ffff88800ffa2f08
[   35.670353][  T453] FS:  00007fec7c08c800(0000) GS:ffff888094837000(0000) knlGS:0000000000000000
[   35.670913][  T453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.671305][  T453] CR2: 00000000004e6898 CR3: 0000000007894002 CR4: 0000000000772ef0
[   35.671769][  T453] PKRU: 55555554
[   35.672015][  T453] Call Trace:
[   35.672250][  T453]  <TASK>
[ 35.672409][ T453] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.672731][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.673085][ T453] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 35.673394][ T453] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 35.673812][ T453] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 35.674156][ T453] netif_set_mtu (net/core/dev.c:9652) 
[ 35.674485][ T453] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.674811][ T453] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 35.675278][ T453] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.675524][ T453] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.675968][ T453] br_add_if (net/bridge/br_if.c:697) bridge 
[ 35.676356][ T453] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 35.676882][ T453] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.677214][ T453] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.677605][ T453] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.677921][ T453] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.678258][ T453] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.678570][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.678885][ 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) 
[ 35.679210][ T453] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.679625][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.679945][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.680271][ T453] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.680578][ T453] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.680957][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.681295][ T453] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.681616][ T453] ? __create_object (mm/kmemleak.c:771) 
[ 35.681945][ T453] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.682281][ T453] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.682595][ T453] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.682991][ T453] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.683317][ T453] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.683636][ T453] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.683957][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.684284][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.684594][ T453] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.684932][ T453] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.685265][ T453] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.685586][ T453] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.685900][ T453] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.686223][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.686554][ T453] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.686872][ T453] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.687198][ T453] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.687523][ T453] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.687844][ 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) 
[ 35.688168][ T453] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 35.688484][ T453] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.688797][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.689129][ T453] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.689444][ T453] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.689784][ T453] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.690137][ T453] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.690459][ T453] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.690768][ T453] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.691177][ T453] ___sys_sendmsg (net/socket.c:2670) 
[ 35.691483][ T453] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.691793][ 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) 
[ 35.692193][ T453] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.692516][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.692828][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.693155][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.693465][ 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) 
[ 35.693770][ T453] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.694102][ T453] __sys_sendmsg (net/socket.c:2700) 
[ 35.694411][ T453] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.694840][ T453] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.695182][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.695502][ T453] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.695812][ T453] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.696205][  T453] RIP: 0033:0x7fec7c2591e7
[ 35.696527][ 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)
[   35.697654][  T453] RSP: 002b:00007fff4c48c178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.698141][  T453] RAX: ffffffffffffffda RBX: 00007fff4c48c8a0 RCX: 00007fec7c2591e7
[   35.698633][  T453] RDX: 0000000000000000 RSI: 00007fff4c48c1e0 RDI: 0000000000000005
[   35.699170][  T453] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.699673][  T453] R10: 00000000395c3910 R11: 0000000000000246 R12: 0000000000000004
[   35.700151][  T453] R13: 00000000686e68fb R14: 0000000000499600 R15: 0000000000000000
| [   54.127351][  T576] ------------[ cut here ]------------
| [ 54.127707][ T576] WARNING: CPU: 3 PID: 576 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) 
| [   54.129295][  T576] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   54.130699][  T576] Tainted: [W]=WARN
[   54.130950][  T576] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.131375][ T576] 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) 
[ 54.131723][ T576] 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
[   54.132937][  T576] RSP: 0018:ffffc900010def70 EFLAGS: 00010246
[   54.133378][  T576] RAX: 0000000000000000 RBX: ffff88800a16a000 RCX: 0000000000000001
[   54.133900][  T576] RDX: 0000000000000000 RSI: ffffffff9fa9b939 RDI: ffffffff9f2555e0
[   54.134408][  T576] RBP: ffffc900010df058 R08: 0000000000000000 R09: 0000000000000000
[   54.134904][  T576] R10: ffffc900010df088 R11: ffffffff9be00130 R12: 1ffff9200021bdf2
[   54.135432][  T576] R13: 00000000000005dc R14: ffffc900010df088 R15: ffff88800a16af08
[   54.135951][  T576] FS:  00007f15c0e00800(0000) GS:ffff888094837000(0000) knlGS:0000000000000000
[   54.136553][  T576] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.137027][  T576] CR2: 00000000004e5ab0 CR3: 000000000524e001 CR4: 0000000000772ef0
[   54.137549][  T576] PKRU: 55555554
[   54.137795][  T576] Call Trace:
[   54.138158][  T576]  <TASK>
[ 54.138339][ T576] ? __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) 
[ 54.138890][ T576] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 54.139368][ T576] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 54.139711][ T576] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.140040][ T576] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.140423][ T576] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 54.140749][ T576] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.141090][ T576] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.141432][ T576] ? ___sys_sendmsg (net/socket.c:2670) 
[ 54.141760][ T576] ? __sys_sendmsg (net/socket.c:2700) 
[ 54.142134][ T576] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.142458][ T576] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 54.142880][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.143222][ T576] netif_set_mtu (net/core/dev.c:9652) 
[ 54.143572][ T576] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.143911][ T576] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.144199][ T576] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 54.144675][ T576] br_del_if (net/bridge/br_if.c:743) bridge 
[ 54.145077][ T576] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 54.145405][ T576] do_set_master (net/core/rtnetlink.c:2932) 
[ 54.145730][ T576] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.146084][ T576] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.146502][ T576] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.146842][ T576] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.147192][ T576] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.147551][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.147900][ T576] ? __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) 
[ 54.148244][ T576] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.148667][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.149012][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.149354][ T576] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.149692][ T576] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.150036][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.150362][ T576] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.150693][ T576] ? __create_object (mm/kmemleak.c:771) 
[ 54.151027][ T576] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.151353][ T576] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.151675][ T576] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.152087][ T576] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.152415][ T576] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.152753][ T576] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.153084][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.153414][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.153736][ T576] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.154095][ T576] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.154431][ T576] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.154755][ T576] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.155094][ T576] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.155439][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.155777][ T576] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.156110][ T576] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.156446][ T576] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.156803][ T576] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.157134][ T576] ? 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) 
[ 54.157479][ T576] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 54.157817][ T576] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.158168][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.158498][ T576] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.158840][ T576] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.159174][ T576] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.159504][ T576] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.159836][ T576] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.160175][ T576] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.160588][ T576] ___sys_sendmsg (net/socket.c:2670) 
[ 54.160906][ T576] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.161256][ T576] ? __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) 
[ 54.161677][ T576] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.162027][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.162353][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.162688][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.163035][ T576] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.163360][ T576] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.163687][ T576] __sys_sendmsg (net/socket.c:2700) 
[ 54.164024][ T576] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.164520][ T576] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.164920][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.165394][ T576] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.165824][ T576] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.166262][  T576] RIP: 0033:0x7f15c0fcd1e7
[ 54.166619][ T576] 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)
[   54.167805][  T576] RSP: 002b:00007ffda525c598 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.168316][  T576] RAX: ffffffffffffffda RBX: 00007ffda525ccc0 RCX: 00007f15c0fcd1e7
[   54.168809][  T576] RDX: 0000000000000000 RSI: 00007ffda525c600 RDI: 0000000000000005
[   54.169333][  T576] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   54.169838][  T576] R10: 00007f15c0ecaee8 R11: 0000000000000246 R12: 0000000000000003
[   54.170362][  T576] R13: 00000000686e690d R14: 0000000000499600 R15: 0000000000000000
| [   54.545134][  T579] ------------[ cut here ]------------
| [ 54.545477][ T579] WARNING: CPU: 0 PID: 579 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) 
| [   54.547309][  T579] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   54.548630][  T579] Tainted: [W]=WARN
[   54.548875][  T579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.549329][ T579] 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) 
[ 54.549685][ T579] 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
[   54.550807][  T579] RSP: 0018:ffffc900010fef70 EFLAGS: 00010246
[   54.551207][  T579] RAX: 0000000000000000 RBX: ffff88800a16a000 RCX: 0000000000000001
[   54.551680][  T579] RDX: 0000000000000000 RSI: ffffffff9fa9b939 RDI: ffffffff9f2555e0
[   54.552153][  T579] RBP: ffffc900010ff058 R08: 0000000000000000 R09: 0000000000000000
[   54.552612][  T579] R10: ffffc900010ff088 R11: ffffffff9ff79160 R12: 1ffff9200021fdf2
[   54.553078][  T579] R13: 00000000000005dc R14: ffffc900010ff088 R15: ffff88800a16af08
[   54.553554][  T579] FS:  00007f69b2822800(0000) GS:ffff8880946b7000(0000) knlGS:0000000000000000
[   54.554111][  T579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.554502][  T579] CR2: 00000000004e5aa8 CR3: 000000000c9b5006 CR4: 0000000000772ef0
[   54.554992][  T579] PKRU: 55555554
[   54.555236][  T579] Call Trace:
[   54.555469][  T579]  <TASK>
[ 54.555627][ T579] ? __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) 
[ 54.556049][ T579] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 54.556406][ T579] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 54.556734][ T579] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.557051][ T579] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.557355][ T579] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 54.557670][ T579] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.557972][ T579] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.558319][ T579] ? ___sys_sendmsg (net/socket.c:2670) 
[ 54.558626][ T579] ? __sys_sendmsg (net/socket.c:2700) 
[ 54.558929][ T579] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.559248][ T579] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 54.559643][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.559968][ T579] netif_set_mtu (net/core/dev.c:9652) 
[ 54.560302][ T579] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.560644][ T579] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.560882][ T579] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 54.561339][ T579] br_del_if (net/bridge/br_if.c:743) bridge 
[ 54.561682][ T579] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 54.561989][ T579] do_set_master (net/core/rtnetlink.c:2932) 
[ 54.562311][ T579] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.562621][ T579] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.563020][ T579] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.563332][ T579] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.563635][ T579] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.563943][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.564260][ T579] ? __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) 
[ 54.564567][ T579] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.565059][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.565375][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.565696][ T579] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.566012][ T579] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.566326][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.566645][ T579] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.566978][ T579] ? __create_object (mm/kmemleak.c:771) 
[ 54.567303][ T579] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.567613][ T579] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.567929][ T579] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.568340][ T579] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.568652][ T579] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.568961][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.569304][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.569629][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.569939][ T579] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.570279][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.570638][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.570970][ T579] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.571305][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.571631][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.571975][ T579] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.572319][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.572666][ T579] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.573027][ T579] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.573353][ T579] ? 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) 
[ 54.573688][ T579] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 54.574037][ T579] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.574355][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.574685][ T579] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.575022][ T579] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.575340][ T579] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.575657][ T579] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.575966][ T579] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.576292][ T579] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.576710][ T579] ___sys_sendmsg (net/socket.c:2670) 
[ 54.577036][ T579] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.577352][ T579] ? __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) 
[ 54.577757][ T579] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.578100][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.578419][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.578744][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.579077][ T579] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.579385][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.579702][ T579] __sys_sendmsg (net/socket.c:2700) 
[ 54.580026][ T579] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.580435][ T579] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.580760][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.581095][ T579] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.581411][ T579] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.581804][  T579] RIP: 0033:0x7f69b29ef1e7
[ 54.582159][ T579] 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)
[   54.583313][  T579] RSP: 002b:00007ffc8e335568 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.583787][  T579] RAX: ffffffffffffffda RBX: 00007ffc8e335c90 RCX: 00007f69b29ef1e7
[   54.584265][  T579] RDX: 0000000000000000 RSI: 00007ffc8e3355d0 RDI: 0000000000000005
[   54.584739][  T579] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   54.585216][  T579] R10: 00007f69b28ecee8 R11: 0000000000000246 R12: 0000000000000003
[   54.585683][  T579] R13: 00000000686e690e R14: 0000000000499600 R15: 0000000000000000
| [   54.707748][  T580] ------------[ cut here ]------------
| [ 54.708271][ 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) 
| [   54.708973][  T580] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   54.710433][  T580] Tainted: [W]=WARN
[   54.710720][  T580] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.711190][ 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) 
[ 54.711569][ 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
[   54.712858][  T580] RSP: 0018:ffffc900010fef70 EFLAGS: 00010246
[   54.713328][  T580] RAX: 0000000000000000 RBX: ffff88800a16a000 RCX: 0000000000000001
[   54.713827][  T580] RDX: 0000000000000000 RSI: ffffffff9fa9b939 RDI: ffffffff9f2555e0
[   54.714332][  T580] RBP: ffffc900010ff058 R08: 0000000000000000 R09: 0000000000000000
[   54.714828][  T580] R10: ffffc900010ff088 R11: ffffffff9ff79160 R12: 1ffff9200021fdf2
[   54.715365][  T580] R13: 00000000000005dc R14: ffffc900010ff088 R15: ffff88800a16af08
[   54.715853][  T580] FS:  00007f8d64127800(0000) GS:ffff8880947b7000(0000) knlGS:0000000000000000
[   54.716419][  T580] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.716849][  T580] CR2: 00000000004e73c0 CR3: 000000000f74c005 CR4: 0000000000772ef0
[   54.717332][  T580] PKRU: 55555554
[   54.717582][  T580] Call Trace:
[   54.717825][  T580]  <TASK>
[ 54.718024][ 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) 
[ 54.718446][ T580] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 54.718812][ T580] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 54.719193][ T580] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.719535][ T580] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.719874][ T580] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 54.720218][ T580] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.720554][ T580] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.720876][ T580] ? ___sys_sendmsg (net/socket.c:2670) 
[ 54.721207][ T580] ? __sys_sendmsg (net/socket.c:2700) 
[ 54.721520][ T580] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.721836][ T580] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 54.722253][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.722590][ T580] netif_set_mtu (net/core/dev.c:9652) 
[ 54.722927][ T580] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.723284][ T580] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.723536][ T580] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 54.723982][ T580] br_del_if (net/bridge/br_if.c:743) bridge 
[ 54.724346][ T580] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 54.724688][ T580] do_set_master (net/core/rtnetlink.c:2932) 
[ 54.725025][ T580] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.725360][ T580] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.725758][ T580] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.726089][ T580] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.726403][ T580] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.726736][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.727083][ 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) 
[ 54.727407][ T580] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.727815][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.728151][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.728465][ T580] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.728784][ T580] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.729111][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.729432][ T580] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.729745][ T580] ? __create_object (mm/kmemleak.c:771) 
[ 54.730079][ T580] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.730408][ T580] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.730726][ T580] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.731139][ T580] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.731466][ T580] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.731793][ T580] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.732121][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.732444][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.732771][ T580] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.733099][ T580] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.733419][ T580] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.733751][ T580] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.734103][ T580] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.734427][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.734761][ T580] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.735133][ T580] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.735479][ T580] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.735815][ T580] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.736160][ 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) 
[ 54.736478][ T580] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 54.736812][ T580] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.737139][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.737480][ T580] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.737821][ T580] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.738168][ T580] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.738520][ T580] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.738858][ T580] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.739199][ T580] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.739621][ T580] ___sys_sendmsg (net/socket.c:2670) 
[ 54.739937][ T580] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.740279][ 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) 
[ 54.740688][ T580] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.741020][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.741359][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.741698][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.742042][ 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) 
[ 54.742376][ T580] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.742723][ T580] __sys_sendmsg (net/socket.c:2700) 
[ 54.743064][ T580] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.743489][ T580] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.743837][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.744183][ T580] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.744522][ T580] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.744927][  T580] RIP: 0033:0x7f8d642f41e7
[ 54.745281][ 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)
[   54.746380][  T580] RSP: 002b:00007fff00331e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.746866][  T580] RAX: ffffffffffffffda RBX: 00007fff003325c0 RCX: 00007f8d642f41e7
[   54.747363][  T580] RDX: 0000000000000000 RSI: 00007fff00331f00 RDI: 0000000000000005
[   54.747850][  T580] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   54.748332][  T580] R10: 00007f8d641f1ee8 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