======================================
| [   23.434010][  T347] br1: port 1(vx100) entered forwarding state
| [   23.435373][  T347] ------------[ cut here ]------------
| [ 23.435701][ T347] WARNING: CPU: 3 PID: 347 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.436365][  T347] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.439032][  T347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.439434][ 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) 
[ 23.439773][ T347] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.440949][  T347] RSP: 0018:ffffc90000b06ef0 EFLAGS: 00010246
[   23.441370][  T347] RAX: 0000000000000000 RBX: ffff88800a982000 RCX: 0000000000000001
[   23.441854][  T347] RDX: 0000000000000000 RSI: ffffffffa169b941 RDI: ffffffffa0e555e0
[   23.442346][  T347] RBP: ffffc90000b06fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.442839][  T347] R10: ffffc90000b07010 R11: ffffffffa24a8918 R12: 1ffff92000160de2
[   23.443337][  T347] R13: 00000000000005dc R14: ffffc90000b07010 R15: ffff88800a982f08
[   23.443849][  T347] FS:  00007f0a72b0d800(0000) GS:ffff888092c37000(0000) knlGS:0000000000000000
[   23.444440][  T347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.444859][  T347] CR2: 00000000004e6890 CR3: 000000000519d005 CR4: 0000000000772ef0
[   23.445356][  T347] PKRU: 55555554
[   23.445602][  T347] Call Trace:
[   23.445843][  T347]  <TASK>
[ 23.446023][ T347] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.446352][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.446695][ T347] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.447044][ T347] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.447454][ T347] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.448081][ T347] netif_set_mtu (net/core/dev.c:9652) 
[ 23.448411][ T347] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.448757][ T347] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.449238][ T347] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.449489][ T347] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.449930][ T347] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.450308][ T347] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.450640][ T347] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.450978][ T347] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.451394][ T347] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.451723][ T347] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.452056][ T347] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.452395][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.452715][ 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) 
[ 23.453046][ T347] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.453446][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.453772][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.454110][ T347] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.454440][ T347] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.454761][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.455090][ T347] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.455408][ T347] ? __create_object (mm/kmemleak.c:771) 
[ 23.455742][ T347] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.456070][ T347] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.456404][ T347] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.456804][ T347] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.457140][ T347] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.457470][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.457796][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.458130][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.458450][ T347] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.458767][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.459100][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.459422][ T347] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.459743][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.460078][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.460406][ T347] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.460733][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.461062][ T347] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.461398][ T347] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.461718][ 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) 
[ 23.462049][ T347] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.462374][ T347] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.462693][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.463028][ T347] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.463354][ T347] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.463679][ T347] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.464030][ T347] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.464378][ T347] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.464695][ T347] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.465116][ T347] ___sys_sendmsg (net/socket.c:2670) 
[ 23.465434][ T347] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.465754][ 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) 
[ 23.466170][ T347] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.466502][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.466824][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.467155][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.467475][ 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) 
[ 23.467802][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.468140][ T347] __sys_sendmsg (net/socket.c:2700) 
[ 23.468458][ T347] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.468858][ T347] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.469206][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.469530][ T347] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.470159][ T347] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.470561][  T347] RIP: 0033:0x7f0a72cda1e7
[ 23.471150][ 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)
[   23.473054][  T347] RSP: 002b:00007ffc5eabac38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.473782][  T347] RAX: ffffffffffffffda RBX: 00007ffc5eabb360 RCX: 00007f0a72cda1e7
[   23.474311][  T347] RDX: 0000000000000000 RSI: 00007ffc5eabaca0 RDI: 0000000000000005
[   23.474799][  T347] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.475292][  T347] R10: 00000000166bf910 R11: 0000000000000246 R12: 0000000000000004
[   23.475772][  T347] R13: 00000000686e4a49 R14: 0000000000499600 R15: 0000000000000000
| [   23.724907][  T349] ------------[ cut here ]------------
| [ 23.725253][ T349] WARNING: CPU: 3 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) 
| [   23.725887][  T349] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.727259][  T349] Tainted: [W]=WARN
[   23.727507][  T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.727902][ 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) 
[ 23.728237][ T349] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.729379][  T349] RSP: 0018:ffffc90000606ef0 EFLAGS: 00010246
[   23.729784][  T349] RAX: 0000000000000000 RBX: ffff88800a982000 RCX: 0000000000000001
[   23.730328][  T349] RDX: 0000000000000000 RSI: ffffffffa169b941 RDI: ffffffffa0e555e0
[   23.730804][  T349] RBP: ffffc90000606fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.731297][  T349] R10: ffffc90000607010 R11: ffffffffa24a8918 R12: 1ffff920000c0de2
[   23.731768][  T349] R13: 00000000000005dc R14: ffffc90000607010 R15: ffff88800a982f08
[   23.732269][  T349] FS:  00007fa48573a800(0000) GS:ffff888092c37000(0000) knlGS:0000000000000000
[   23.732826][  T349] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.733241][  T349] CR2: 00000000004e5aa8 CR3: 000000001644e003 CR4: 0000000000772ef0
[   23.733718][  T349] PKRU: 55555554
[   23.733957][  T349] Call Trace:
[   23.734210][  T349]  <TASK>
[ 23.734392][ T349] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.734709][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.735050][ T349] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.735370][ T349] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.735776][ T349] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.736142][ T349] netif_set_mtu (net/core/dev.c:9652) 
[ 23.736462][ T349] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.736789][ T349] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.737250][ T349] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.737496][ T349] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.737943][ T349] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.738327][ T349] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.738653][ T349] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.738996][ T349] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.739398][ T349] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.739713][ T349] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.740055][ T349] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.740385][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.740705][ 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) 
[ 23.741036][ T349] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.741427][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.741747][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.742075][ T349] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.742396][ T349] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.742718][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.743045][ T349] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.743360][ T349] ? __create_object (mm/kmemleak.c:771) 
[ 23.743680][ T349] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.744023][ T349] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.744356][ T349] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.744748][ T349] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.745105][ T349] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.745437][ T349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.745750][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.746083][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.746401][ T349] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.746713][ T349] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.747039][ T349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.747354][ T349] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.747670][ T349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.748026][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.748366][ T349] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.748683][ T349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.749007][ T349] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.749335][ T349] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.749648][ 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) 
[ 23.750029][ T349] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.750351][ T349] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.750665][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.751031][ T349] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.751358][ T349] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.751674][ T349] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.752021][ T349] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.752345][ T349] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.752669][ T349] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.753087][ T349] ___sys_sendmsg (net/socket.c:2670) 
[ 23.753402][ T349] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.753719][ 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) 
[ 23.754123][ T349] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.754455][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.754776][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.755124][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.755448][ 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) 
[ 23.755765][ T349] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.756111][ T349] __sys_sendmsg (net/socket.c:2700) 
[ 23.756425][ T349] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.756814][ T349] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.757154][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.757484][ T349] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.757806][ T349] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.758217][  T349] RIP: 0033:0x7fa4859071e7
[ 23.758544][ 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)
[   23.759681][  T349] RSP: 002b:00007ffe1115e068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.760185][  T349] RAX: ffffffffffffffda RBX: 00007ffe1115e790 RCX: 00007fa4859071e7
[   23.760661][  T349] RDX: 0000000000000000 RSI: 00007ffe1115e0d0 RDI: 0000000000000005
[   23.761143][  T349] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.761621][  T349] R10: 00000000080d9910 R11: 0000000000000246 R12: 0000000000000004
[   23.762108][  T349] R13: 00000000686e4a49 R14: 0000000000499600 R15: 0000000000000000
| [   24.136873][  T352] ------------[ cut here ]------------
| [ 24.137236][ T352] WARNING: CPU: 2 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) 
| [   24.137885][  T352] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.139250][  T352] Tainted: [W]=WARN
[   24.139506][  T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.139914][ 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) 
[ 24.140273][ T352] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.141437][  T352] RSP: 0018:ffffc90000666ef0 EFLAGS: 00010246
[   24.141853][  T352] RAX: 0000000000000000 RBX: ffff88800a982000 RCX: 0000000000000001
[   24.142356][  T352] RDX: 0000000000000000 RSI: ffffffffa169b941 RDI: ffffffffa0e555e0
[   24.142848][  T352] RBP: ffffc90000666fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.143359][  T352] R10: ffffc90000667010 R11: ffffffffa24a8918 R12: 1ffff920000ccde2
[   24.143848][  T352] R13: 00000000000005dc R14: ffffc90000667010 R15: ffff88800a982f08
[   24.144368][  T352] FS:  00007f710b71f800(0000) GS:ffff888092bb7000(0000) knlGS:0000000000000000
[   24.144936][  T352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.145371][  T352] CR2: 00000000004e5ab0 CR3: 0000000005ebf006 CR4: 0000000000772ef0
[   24.145870][  T352] PKRU: 55555554
[   24.146137][  T352] Call Trace:
[   24.146395][  T352]  <TASK>
[ 24.146577][ T352] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.146913][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.147276][ T352] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.147617][ T352] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.148049][ T352] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.148390][ T352] netif_set_mtu (net/core/dev.c:9652) 
[ 24.148726][ T352] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.149087][ T352] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.149555][ T352] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.149813][ T352] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.150284][ T352] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.150667][ T352] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.151038][ T352] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.151377][ T352] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.151796][ T352] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.152145][ T352] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.152482][ T352] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.152823][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.153176][ 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) 
[ 24.153510][ T352] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.153922][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.154284][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.154616][ T352] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.154947][ T352] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.155296][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.155634][ T352] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.155979][ T352] ? __create_object (mm/kmemleak.c:771) 
[ 24.156319][ T352] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.156657][ T352] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.157005][ T352] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.157414][ T352] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.157761][ T352] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.158114][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.158452][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.158793][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.159143][ T352] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.159474][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.159809][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.160162][ T352] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.160503][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.160841][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.161195][ T352] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.161532][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.161866][ T352] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.162229][ T352] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.162559][ 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) 
[ 24.162895][ T352] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.163247][ T352] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.163579][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.163917][ T352] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.164275][ T352] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.164610][ T352] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.164947][ T352] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.165305][ T352] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.165642][ T352] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.166106][ T352] ___sys_sendmsg (net/socket.c:2670) 
[ 24.166442][ T352] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.166774][ 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) 
[ 24.167205][ T352] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.167543][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.167883][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.168235][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.168561][ 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) 
[ 24.168891][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.169244][ T352] __sys_sendmsg (net/socket.c:2700) 
[ 24.169571][ T352] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.169990][ T352] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.170335][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.170671][ T352] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.171019][ T352] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.171422][  T352] RIP: 0033:0x7f710b8ec1e7
[ 24.171763][ 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)
[   24.172919][  T352] RSP: 002b:00007fff4c10c5b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.173420][  T352] RAX: ffffffffffffffda RBX: 00007fff4c10cce0 RCX: 00007f710b8ec1e7
[   24.173905][  T352] RDX: 0000000000000000 RSI: 00007fff4c10c620 RDI: 0000000000000005
[   24.174411][  T352] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.174911][  T352] R10: 000000000889a910 R11: 0000000000000246 R12: 0000000000000004
[   24.175410][  T352] R13: 00000000686e4a49 R14: 0000000000499600 R15: 0000000000000000
| [   29.029936][  T399] ------------[ cut here ]------------
| [ 29.030544][ T399] WARNING: CPU: 0 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) 
| [   29.031203][  T399] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.032519][  T399] Tainted: [W]=WARN
[   29.032774][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.033189][ 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) 
[ 29.033517][ T399] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   29.034676][  T399] RSP: 0018:ffffc90000986ef0 EFLAGS: 00010246
[   29.035090][  T399] RAX: 0000000000000000 RBX: ffff88800af9a000 RCX: 0000000000000001
[   29.035575][  T399] RDX: 0000000000000000 RSI: ffffffffa169b941 RDI: ffffffffa0e555e0
[   29.036058][  T399] RBP: ffffc90000986fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.036531][  T399] R10: ffffc90000987010 R11: ffffffffa1b79160 R12: 1ffff92000130de2
[   29.037014][  T399] R13: 00000000000005dc R14: ffffc90000987010 R15: ffff88800af9af08
[   29.037496][  T399] FS:  00007f4fa8d7e800(0000) GS:ffff888092ab7000(0000) knlGS:0000000000000000
[   29.038061][  T399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.038462][  T399] CR2: 00000000004e6898 CR3: 0000000015d57001 CR4: 0000000000772ef0
[   29.038937][  T399] PKRU: 55555554
[   29.039183][  T399] Call Trace:
[   29.039424][  T399]  <TASK>
[ 29.039588][ T399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.039910][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.040248][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.040572][ T399] netif_set_mtu (net/core/dev.c:9652) 
[ 29.040891][ T399] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.041239][ T399] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.041483][ T399] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.041932][ T399] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.042311][ T399] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.042640][ T399] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.042972][ T399] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.043375][ T399] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.043695][ T399] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.044020][ T399] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.044370][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.044693][ 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) 
[ 29.045023][ T399] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.045419][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.045739][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.046083][ T399] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.046399][ T399] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.046725][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.047054][ T399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.047368][ T399] ? __create_object (mm/kmemleak.c:771) 
[ 29.047690][ T399] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.048018][ T399] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.048334][ T399] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.048726][ T399] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.049059][ T399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.049387][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.049704][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.050034][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.050351][ T399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.050665][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.050993][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.051308][ T399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.051626][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.051948][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.052277][ T399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.052595][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.052912][ T399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.053248][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.053565][ 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) 
[ 29.053896][ T399] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.054226][ T399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.054549][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.054872][ T399] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.055203][ T399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.055522][ T399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.055846][ T399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.056180][ T399] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.056505][ T399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.056912][ T399] ___sys_sendmsg (net/socket.c:2670) 
[ 29.057240][ T399] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.057555][ 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) 
[ 29.057950][ T399] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.058283][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.058607][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.058941][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.059268][ 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) 
[ 29.059583][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.059908][ T399] __sys_sendmsg (net/socket.c:2700) 
[ 29.060229][ T399] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.060620][ T399] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.060950][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.061283][ T399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.061604][ T399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.062004][  T399] RIP: 0033:0x7f4fa8f4b1e7
[ 29.062333][ 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)
[   29.063482][  T399] RSP: 002b:00007ffcd58a01e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.063985][  T399] RAX: ffffffffffffffda RBX: 00007ffcd58a0910 RCX: 00007f4fa8f4b1e7
[   29.064468][  T399] RDX: 0000000000000000 RSI: 00007ffcd58a0250 RDI: 0000000000000005
[   29.064944][  T399] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.065437][  T399] R10: 000000002f7ce910 R11: 0000000000000246 R12: 0000000000000004
[   29.065920][  T399] R13: 00000000686e4a4e R14: 0000000000499600 R15: 0000000000000000
| [   29.930574][  T406] ------------[ cut here ]------------
| [ 29.930905][ T406] WARNING: CPU: 1 PID: 406 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   29.931687][  T406] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.933375][  T406] Tainted: [W]=WARN
[   29.933620][  T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.934218][ T406] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 29.934590][ T406] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   29.935894][  T406] RSP: 0018:ffffc90000a56ef0 EFLAGS: 00010246
[   29.936458][  T406] RAX: 0000000000000000 RBX: ffff88800af9a000 RCX: 0000000000000001
[   29.936934][  T406] RDX: 0000000000000000 RSI: ffffffffa169b941 RDI: ffffffffa0e555e0
[   29.937654][  T406] RBP: ffffc90000a56fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.938361][  T406] R10: ffffc90000a57010 R11: ffffffffa24a8918 R12: 1ffff9200014ade2
[   29.938844][  T406] R13: 00000000000005dc R14: ffffc90000a57010 R15: ffff88800af9af08
[   29.939549][  T406] FS:  00007f3393e4c800(0000) GS:ffff888092b37000(0000) knlGS:0000000000000000
[   29.940285][  T406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.940693][  T406] CR2: 00000000004e6898 CR3: 000000001513b003 CR4: 0000000000772ef0
[   29.941327][  T406] PKRU: 55555554
[   29.941570][  T406] Call Trace:
[   29.941829][  T406]  <TASK>
[ 29.942062][ T406] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.942384][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.942711][ T406] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 29.943081][ T406] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 29.943483][ T406] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 29.943806][ T406] netif_set_mtu (net/core/dev.c:9652) 
[ 29.944165][ T406] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.944514][ T406] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 29.944970][ T406] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.945216][ T406] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.945652][ T406] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.946054][ T406] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.946380][ T406] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.946710][ T406] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.947137][ T406] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.947495][ T406] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.947812][ T406] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.948147][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.948469][ T406] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 29.948808][ T406] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.949216][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.949541][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.949862][ T406] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.950213][ T406] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.950531][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.950850][ T406] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.951206][ T406] ? __create_object (mm/kmemleak.c:771) 
[ 29.951541][ T406] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.951864][ T406] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.952200][ T406] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.952596][ T406] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.952929][ T406] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.953263][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.953586][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.953934][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.954299][ T406] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.954635][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.954952][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.955305][ T406] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.955622][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.955972][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.956301][ T406] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.956621][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.956957][ T406] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.957298][ T406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.957610][ T406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 29.957925][ T406] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.958296][ T406] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.958611][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.958934][ T406] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.959274][ T406] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.959615][ T406] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.959939][ T406] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.960286][ T406] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.960598][ T406] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.961045][ T406] ___sys_sendmsg (net/socket.c:2670) 
[ 29.961361][ T406] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.961677][ T406] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 29.962109][ T406] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.962625][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.962942][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.963310][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.963626][ T406] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.963974][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.964312][ T406] __sys_sendmsg (net/socket.c:2700) 
[ 29.964629][ T406] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.965040][ T406] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.965367][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.965686][ T406] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.966051][ T406] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.966450][  T406] RIP: 0033:0x7f33940191e7
[ 29.966785][ T406] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   29.967972][  T406] RSP: 002b:00007fff0a924b58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.968447][  T406] RAX: ffffffffffffffda RBX: 00007fff0a925280 RCX: 00007f33940191e7
[   29.968947][  T406] RDX: 0000000000000000 RSI: 00007fff0a924bc0 RDI: 0000000000000005
[   29.969430][  T406] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.969897][  T406] R10: 000000003527c910 R11: 0000000000000246 R12: 0000000000000004
[   29.970402][  T406] R13: 00000000686e4a4f R14: 0000000000499600 R15: 0000000000000000
| [   34.453998][  T446] ------------[ cut here ]------------
| [ 34.454460][ T446] WARNING: CPU: 1 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) 
| [   34.455471][  T446] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   34.457775][  T446] Tainted: [W]=WARN
[   34.458222][  T446] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.458931][ 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) 
[ 34.459506][ T446] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.461478][  T446] RSP: 0018:ffffc90000ceeef0 EFLAGS: 00010246
[   34.462204][  T446] RAX: 0000000000000000 RBX: ffff888005b6a000 RCX: 0000000000000001
[   34.463039][  T446] RDX: 0000000000000000 RSI: ffffffffa169b941 RDI: ffffffffa0e555e0
[   34.463861][  T446] RBP: ffffc90000ceefe0 R08: 0000000000000000 R09: 0000000000000000
[   34.464705][  T446] R10: ffffc90000cef010 R11: ffffffffa1b79160 R12: 1ffff9200019dde2
[   34.465570][  T446] R13: 00000000000005dc R14: ffffc90000cef010 R15: ffff888005b6af08
[   34.466419][  T446] FS:  00007fe9f07dd800(0000) GS:ffff888092b37000(0000) knlGS:0000000000000000
[   34.467388][  T446] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.468083][  T446] CR2: 00000000004e6898 CR3: 0000000015167005 CR4: 0000000000772ef0
[   34.468913][  T446] PKRU: 55555554
[   34.469335][  T446] Call Trace:
[   34.469767][  T446]  <TASK>
[ 34.470112][ T446] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.470692][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.471277][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.471833][ T446] netif_set_mtu (net/core/dev.c:9652) 
[ 34.472392][ T446] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.473026][ T446] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.473443][ T446] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.474127][ T446] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.474729][ T446] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.475344][ T446] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.475754][ T446] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.476432][ T446] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.476992][ T446] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.477536][ T446] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.478101][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.478654][ 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) 
[ 34.479215][ T446] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.479890][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.480461][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.481047][ T446] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.481596][ T446] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.482210][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.482756][ T446] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.483311][ T446] ? __create_object (mm/kmemleak.c:771) 
[ 34.483860][ T446] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.484407][ T446] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.484987][ T446] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.485711][ T446] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.486295][ T446] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.486864][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.487449][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.488022][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.488574][ T446] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.489133][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.489696][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.490250][ T446] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.490848][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.491413][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.491990][ T446] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.492566][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.493122][ T446] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.493711][ T446] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.494281][ 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) 
[ 34.494837][ T446] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.495400][ T446] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.495944][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.496482][ T446] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.496915][ T446] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.497454][ T446] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.498027][ T446] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.498580][ T446] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.499133][ T446] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.499836][ T446] ___sys_sendmsg (net/socket.c:2670) 
[ 34.500390][ T446] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.500947][ 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) 
[ 34.501653][ T446] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.502228][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.502791][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.503335][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.503753][ 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) 
[ 34.504309][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.504902][ T446] __sys_sendmsg (net/socket.c:2700) 
[ 34.505462][ T446] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.506165][ T446] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.506763][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.507325][ T446] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.507842][ T446] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.508489][  T446] RIP: 0033:0x7fe9f09aa1e7
[ 34.509096][ 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)
[   34.510976][  T446] RSP: 002b:00007ffe0e19e3a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.511824][  T446] RAX: ffffffffffffffda RBX: 00007ffe0e19ead0 RCX: 00007fe9f09aa1e7
[   34.512657][  T446] RDX: 0000000000000000 RSI: 00007ffe0e19e410 RDI: 0000000000000005
[   34.513466][  T446] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.514303][  T446] R10: 0000000004d57910 R11: 0000000000000246 R12: 0000000000000004
[   34.515138][  T446] R13: 00000000686e4a54 R14: 0000000000499600 R15: 0000000000000000
| [   35.391812][  T453] ------------[ cut here ]------------
| [ 35.392234][ T453] WARNING: CPU: 1 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) 
| [   35.393172][  T453] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   35.394913][  T453] Tainted: [W]=WARN
[   35.395300][  T453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.396014][ 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) 
[ 35.396587][ T453] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.398302][  T453] RSP: 0018:ffffc90000d5eef0 EFLAGS: 00010246
[   35.398756][  T453] RAX: 0000000000000000 RBX: ffff888005b6a000 RCX: 0000000000000001
[   35.399372][  T453] RDX: 0000000000000000 RSI: ffffffffa169b941 RDI: ffffffffa0e555e0
[   35.400000][  T453] RBP: ffffc90000d5efe0 R08: 0000000000000000 R09: 0000000000000000
[   35.400803][  T453] R10: ffffc90000d5f010 R11: ffffffffa1b79160 R12: 1ffff920001abde2
[   35.401663][  T453] R13: 00000000000005dc R14: ffffc90000d5f010 R15: ffff888005b6af08
[   35.402479][  T453] FS:  00007f03a814b800(0000) GS:ffff888092b37000(0000) knlGS:0000000000000000
[   35.403164][  T453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.403650][  T453] CR2: 00000000004e6898 CR3: 0000000017635002 CR4: 0000000000772ef0
[   35.404231][  T453] PKRU: 55555554
[   35.404530][  T453] Call Trace:
[   35.404782][  T453]  <TASK>
[ 35.404973][ T453] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.405408][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.405754][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.406121][ T453] netif_set_mtu (net/core/dev.c:9652) 
[ 35.406558][ T453] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.406976][ T453] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.407283][ T453] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.407854][ T453] br_add_if (net/bridge/br_if.c:697) bridge 
[ 35.408330][ T453] do_set_master (net/core/rtnetlink.c:2948) 
[ 35.408659][ T453] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.409076][ T453] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.409493][ T453] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.409812][ T453] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.410318][ T453] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.410653][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.411094][ 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) 
[ 35.411512][ T453] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.411998][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.412430][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.412766][ T453] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.413113][ T453] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.413543][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.413891][ T453] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.414330][ T453] ? __create_object (mm/kmemleak.c:771) 
[ 35.414729][ T453] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.415178][ T453] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.415559][ T453] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.416025][ T453] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.416449][ T453] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.416795][ T453] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.417132][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.417561][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.417942][ T453] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.418378][ T453] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.418762][ T453] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.419150][ T453] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.419504][ T453] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.419838][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.420204][ T453] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.420650][ T453] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.421042][ T453] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.421544][ T453] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.421863][ 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) 
[ 35.422222][ T453] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.422563][ T453] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.422879][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.423233][ T453] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.423642][ T453] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.423980][ T453] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.424337][ T453] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.424662][ T453] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.425090][ T453] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.425560][ T453] ___sys_sendmsg (net/socket.c:2670) 
[ 35.425989][ T453] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.426442][ 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) 
[ 35.426894][ T453] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.427264][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.427688][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.428051][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.428405][ 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) 
[ 35.428869][ T453] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.429306][ T453] __sys_sendmsg (net/socket.c:2700) 
[ 35.429853][ T453] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.430311][ T453] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.430776][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.431198][ T453] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.431590][ T453] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.432102][  T453] RIP: 0033:0x7f03a83181e7
[ 35.432472][ 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)
[   35.433816][  T453] RSP: 002b:00007ffeb2b75ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.434447][  T453] RAX: ffffffffffffffda RBX: 00007ffeb2b763d0 RCX: 00007f03a83181e7
[   35.435129][  T453] RDX: 0000000000000000 RSI: 00007ffeb2b75d10 RDI: 0000000000000005
[   35.435724][  T453] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.436338][  T453] R10: 000000001d960910 R11: 0000000000000246 R12: 0000000000000004
[   35.436926][  T453] R13: 00000000686e4a55 R14: 0000000000499600 R15: 0000000000000000
| [   53.980891][  T576] ------------[ cut here ]------------
| [ 53.981237][ T576] WARNING: CPU: 0 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) 
| [   53.981867][  T576] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.984175][  T576] Tainted: [W]=WARN
[   53.984431][  T576] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.984827][ 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) 
[ 53.985170][ T576] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   53.986314][  T576] RSP: 0018:ffffc900011cef70 EFLAGS: 00010246
[   53.986715][  T576] RAX: 0000000000000000 RBX: ffff88800a982000 RCX: 0000000000000001
[   53.987201][  T576] RDX: 0000000000000000 RSI: ffffffffa169b941 RDI: ffffffffa0e555e0
[   53.987681][  T576] RBP: ffffc900011cf058 R08: 0000000000000000 R09: 0000000000000000
[   53.988171][  T576] R10: ffffc900011cf088 R11: ffffffff9da00130 R12: 1ffff92000239df2
[   53.988647][  T576] R13: 00000000000005dc R14: ffffc900011cf088 R15: ffff88800a982f08
[   53.989131][  T576] FS:  00007f4591a00800(0000) GS:ffff888092ab7000(0000) knlGS:0000000000000000
[   53.989692][  T576] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.990107][  T576] CR2: 00000000004e5ab0 CR3: 00000000133ff001 CR4: 0000000000772ef0
[   53.990593][  T576] PKRU: 55555554
[   53.990836][  T576] Call Trace:
[   53.991087][  T576]  <TASK>
[ 53.991252][ 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) 
[ 53.991652][ T576] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.992029][ T576] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.992353][ T576] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.992683][ T576] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.993010][ T576] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.993328][ T576] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.993640][ T576] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.993979][ T576] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.994305][ T576] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.994618][ T576] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.994934][ T576] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.995342][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.995672][ T576] netif_set_mtu (net/core/dev.c:9652) 
[ 53.995998][ T576] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.996333][ T576] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.996573][ T576] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.997021][ T576] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.997374][ T576] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 53.997692][ T576] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.998028][ T576] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.998358][ T576] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.998781][ T576] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.999126][ T576] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.999460][ T576] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.999799][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.000151][ 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) 
[ 54.000485][ T576] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.000898][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.001244][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.001574][ T576] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.001905][ T576] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.002265][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.002599][ T576] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.002934][ T576] ? __create_object (mm/kmemleak.c:771) 
[ 54.003281][ T576] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.003615][ T576] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.003947][ T576] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.004392][ T576] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.004732][ T576] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.005108][ T576] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.005449][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.005791][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.006146][ T576] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.006478][ T576] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.006816][ T576] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.007164][ T576] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.007504][ T576] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.007844][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.008203][ T576] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.008539][ T576] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.008877][ T576] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.009236][ T576] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.009573][ 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) 
[ 54.009907][ T576] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.010256][ T576] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.010594][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.010933][ T576] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.011281][ T576] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.011618][ T576] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.011977][ T576] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.012320][ T576] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.012651][ T576] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.013094][ T576] ___sys_sendmsg (net/socket.c:2670) 
[ 54.013427][ T576] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.013760][ 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) 
[ 54.014190][ T576] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.014550][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.014885][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.015240][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.015576][ 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) 
[ 54.015912][ T576] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.016268][ T576] __sys_sendmsg (net/socket.c:2700) 
[ 54.016601][ T576] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.017025][ T576] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.017375][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.017712][ T576] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.018059][ T576] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.018480][  T576] RIP: 0033:0x7f4591bcd1e7
[ 54.018830][ 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)
[   54.020035][  T576] RSP: 002b:00007ffd29a01668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.020543][  T576] RAX: ffffffffffffffda RBX: 00007ffd29a01d90 RCX: 00007f4591bcd1e7
[   54.021059][  T576] RDX: 0000000000000000 RSI: 00007ffd29a016d0 RDI: 0000000000000005
[   54.021565][  T576] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   54.022074][  T576] R10: 00007f4591acaee8 R11: 0000000000000246 R12: 0000000000000003
[   54.022583][  T576] R13: 00000000686e4a67 R14: 0000000000499600 R15: 0000000000000000
| [   54.383036][  T579] ------------[ cut here ]------------
| [ 54.383625][ T579] WARNING: CPU: 2 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) 
| [   54.386049][  T579] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   54.387823][  T579] Tainted: [W]=WARN
[   54.388200][  T579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.388612][ 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) 
[ 54.389054][ T579] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   54.390682][  T579] RSP: 0018:ffffc900011eef70 EFLAGS: 00010246
[   54.391171][  T579] RAX: 0000000000000000 RBX: ffff88800a982000 RCX: 0000000000000001
[   54.391679][  T579] RDX: 0000000000000000 RSI: ffffffffa169b941 RDI: ffffffffa0e555e0
[   54.392222][  T579] RBP: ffffc900011ef058 R08: 0000000000000000 R09: 0000000000000000
[   54.392725][  T579] R10: ffffc900011ef088 R11: ffffffffa1b79160 R12: 1ffff9200023ddf2
[   54.393232][  T579] R13: 00000000000005dc R14: ffffc900011ef088 R15: ffff88800a982f08
[   54.393715][  T579] FS:  00007f615fc7b800(0000) GS:ffff888092bb7000(0000) knlGS:0000000000000000
[   54.394313][  T579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.394727][  T579] CR2: 00000000004e5aa8 CR3: 00000000174f5006 CR4: 0000000000772ef0
[   54.395246][  T579] PKRU: 55555554
[   54.395600][  T579] Call Trace:
[   54.395868][  T579]  <TASK>
[ 54.396186][ 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) 
[ 54.396844][ T579] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 54.397473][ T579] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.398061][ T579] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.398629][ T579] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.399207][ T579] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.399798][ T579] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.400382][ T579] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.400945][ T579] ? ___sys_sendmsg (net/socket.c:2670) 
[ 54.401531][ T579] ? __sys_sendmsg (net/socket.c:2700) 
[ 54.402099][ T579] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.402602][ T579] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 54.403330][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.403906][ T579] netif_set_mtu (net/core/dev.c:9652) 
[ 54.404421][ T579] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.404781][ T579] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.405137][ T579] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 54.405934][ T579] br_del_if (net/bridge/br_if.c:743) bridge 
[ 54.406600][ T579] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 54.407067][ T579] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.407480][ T579] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.407936][ T579] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.408678][ T579] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.409060][ T579] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.409407][ T579] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.409759][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.410139][ 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) 
[ 54.410486][ T579] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.411179][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.411766][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.412359][ T579] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.412939][ T579] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.413524][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.414124][ T579] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.414695][ T579] ? __create_object (mm/kmemleak.c:771) 
[ 54.415269][ T579] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.415838][ T579] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.416411][ T579] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.417127][ T579] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.417726][ T579] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.418333][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.418904][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.419532][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.420137][ T579] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.420702][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.421290][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.421851][ T579] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.422419][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.423001][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.423583][ T579] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.424158][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.424752][ T579] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.425357][ T579] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.425947][ 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) 
[ 54.426554][ T579] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.427165][ T579] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.427741][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.428346][ T579] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.428937][ T579] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.429541][ T579] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.430162][ T579] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.430729][ T579] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.431326][ T579] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.432041][ T579] ___sys_sendmsg (net/socket.c:2670) 
[ 54.432614][ T579] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.433226][ 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) 
[ 54.433952][ T579] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.434586][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.435201][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.435792][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.436389][ 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) 
[ 54.436949][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.437560][ T579] __sys_sendmsg (net/socket.c:2700) 
[ 54.438123][ T579] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.438842][ T579] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.439489][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.440109][ T579] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.440680][ T579] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.441401][  T579] RIP: 0033:0x7f615fe481e7
[ 54.442016][ 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)
[   54.444051][  T579] RSP: 002b:00007fff14379888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.444910][  T579] RAX: ffffffffffffffda RBX: 00007fff14379fb0 RCX: 00007f615fe481e7
[   54.445826][  T579] RDX: 0000000000000000 RSI: 00007fff143798f0 RDI: 0000000000000005
[   54.446725][  T579] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   54.447601][  T579] R10: 00007f615fd45ee8 R11: 0000000000000246 R12: 0000000000000003
[   54.448473][  T579] R13: 00000000686e4a68 R14: 0000000000499600 R15: 0000000000000000
| [   54.585114][  T580] ------------[ cut here ]------------
| [ 54.585451][ T580] WARNING: CPU: 1 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) 
| [   54.586097][  T580] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   54.587417][  T580] Tainted: [W]=WARN
[   54.587655][  T580] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.588058][ 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) 
[ 54.588385][ T580] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   54.589510][  T580] RSP: 0018:ffffc900011fef70 EFLAGS: 00010246
[   54.589909][  T580] RAX: 0000000000000000 RBX: ffff88800a982000 RCX: 0000000000000001
[   54.590397][  T580] RDX: 0000000000000000 RSI: ffffffffa169b941 RDI: ffffffffa0e555e0
[   54.590869][  T580] RBP: ffffc900011ff058 R08: 0000000000000000 R09: 0000000000000000
[   54.591592][  T580] R10: ffffc900011ff088 R11: ffffffffa1b79160 R12: 1ffff9200023fdf2
[   54.592076][  T580] R13: 00000000000005dc R14: ffffc900011ff088 R15: ffff88800a982f08
[   54.592544][  T580] FS:  00007f3a77214800(0000) GS:ffff888092b37000(0000) knlGS:0000000000000000
[   54.593119][  T580] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.593519][  T580] CR2: 00000000004e73c0 CR3: 00000000133d1005 CR4: 0000000000772ef0
[   54.594010][  T580] PKRU: 55555554
[   54.594248][  T580] Call Trace:
[   54.594494][  T580]  <TASK>
[ 54.594655][ 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) 
[ 54.595066][ T580] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 54.595431][ T580] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.595747][ T580] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.596075][ T580] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.596389][ T580] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.596703][ T580] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.597027][ T580] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.597344][ T580] ? ___sys_sendmsg (net/socket.c:2670) 
[ 54.597670][ T580] ? __sys_sendmsg (net/socket.c:2700) 
[ 54.598011][ T580] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.598328][ T580] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 54.598715][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.599052][ T580] netif_set_mtu (net/core/dev.c:9652) 
[ 54.599366][ T580] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.599699][ T580] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.599942][ T580] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 54.600388][ T580] br_del_if (net/bridge/br_if.c:743) bridge 
[ 54.600742][ T580] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 54.601068][ T580] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.601387][ T580] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.601708][ T580] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.602133][ T580] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.602453][ T580] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.602767][ T580] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.603095][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.603415][ 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) 
[ 54.603729][ T580] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.604128][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.604475][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.604786][ T580] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.605115][ T580] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.605431][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.605745][ T580] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.606081][ T580] ? __create_object (mm/kmemleak.c:771) 
[ 54.606397][ T580] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.606712][ T580] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.607039][ T580] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.607438][ T580] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.607760][ T580] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.608090][ T580] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.608405][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.608725][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.609051][ T580] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.609363][ T580] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.609681][ T580] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.610021][ T580] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.610366][ T580] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.610688][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.611020][ T580] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.611337][ T580] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.611658][ T580] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.611998][ T580] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.612335][ 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) 
[ 54.612661][ T580] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.612995][ T580] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.613311][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.613633][ T580] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.613954][ T580] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.614307][ T580] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.614642][ T580] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.614979][ T580] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.615294][ T580] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.615698][ T580] ___sys_sendmsg (net/socket.c:2670) 
[ 54.616024][ T580] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.616338][ 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) 
[ 54.616732][ T580] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.617070][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.617389][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.617713][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.618050][ 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) 
[ 54.618366][ T580] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.618690][ T580] __sys_sendmsg (net/socket.c:2700) 
[ 54.619013][ T580] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.619406][ T580] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.619744][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.620071][ T580] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.620399][ T580] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.620787][  T580] RIP: 0033:0x7f3a773e11e7
[ 54.621121][ 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)
[   54.622280][  T580] RSP: 002b:00007ffc3ef258f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.622760][  T580] RAX: ffffffffffffffda RBX: 00007ffc3ef26020 RCX: 00007f3a773e11e7
[   54.623239][  T580] RDX: 0000000000000000 RSI: 00007ffc3ef25960 RDI: 0000000000000005
[   54.623710][  T580] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   54.624195][  T580] R10: 00007f3a772deee8 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