======================================
| [   21.986582][  T330] br1: port 1(vx1) entered forwarding state
| [   21.987793][  T330] ------------[ cut here ]------------
| [ 21.988129][ T330] WARNING: CPU: 3 PID: 330 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) 
| [   21.988872][  T330] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
[   21.990045][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.990444][ T330] 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) 
[ 21.990782][ T330] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.991911][  T330] RSP: 0018:ffffc90000616ef0 EFLAGS: 00010246
[   21.992916][  T330] RAX: 0000000000000000 RBX: ffff88800974a000 RCX: 0000000000000001
[   21.993404][  T330] RDX: 0000000000000000 RSI: ffffffff9909b939 RDI: ffffffff988555e0
[   21.993865][  T330] RBP: ffffc90000616fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.994334][  T330] R10: ffffc90000617010 R11: ffffffff99ea8918 R12: 1ffff920000c2de2
[   21.994802][  T330] R13: 00000000000005dc R14: ffffc90000617010 R15: ffff88800974af08
[   21.995272][  T330] FS:  00007f9edd491800(0000) GS:ffff88809b237000(0000) knlGS:0000000000000000
[   21.995820][  T330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.996209][  T330] CR2: 00000000004e5760 CR3: 000000000bb94006 CR4: 0000000000772ef0
[   21.996693][  T330] PKRU: 55555554
[   21.996930][  T330] Call Trace:
[   21.997162][  T330]  <TASK>
[ 21.997333][ T330] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.997652][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.997969][ T330] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.998284][ T330] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.998674][ T330] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.998986][ T330] netif_set_mtu (net/core/dev.c:9652) 
[ 21.999315][ T330] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.999640][ T330] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.000081][ T330] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.000327][ T330] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.000753][ T330] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.001118][ T330] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 22.001455][ T330] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.001772][ T330] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.002167][ T330] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.002499][ T330] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.002818][ T330] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.003137][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.003463][ T330] ? __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) 
[ 22.003780][ T330] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.004168][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.004491][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.004808][ T330] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.005117][ T330] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.005445][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.005756][ T330] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.006063][ T330] ? __create_object (mm/kmemleak.c:771) 
[ 22.006400][ T330] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.006718][ T330] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.007037][ T330] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.007432][ T330] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.007748][ T330] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.008064][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.008385][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.008699][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.009007][ T330] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.009325][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.009640][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.010230][ T330] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.010551][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.010864][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.011420][ T330] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.011734][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.012041][ T330] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.012376][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.012680][ T330] ? 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) 
[ 22.012988][ T330] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 22.013311][ T330] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.013618][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.013935][ T330] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.014251][ T330] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.014838][ T330] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.015407][ T330] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.015750][ T330] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.016065][ T330] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.016467][ T330] ___sys_sendmsg (net/socket.c:2670) 
[ 22.016780][ T330] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.017088][ T330] ? __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) 
[ 22.017484][ T330] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.017795][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.018340][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.018660][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.018970][ T330] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.019284][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.019823][ T330] __sys_sendmsg (net/socket.c:2700) 
[ 22.020128][ T330] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.020523][ T330] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.020845][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.021403][ T330] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.021720][ T330] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.022102][  T330] RIP: 0033:0x7f9edd65e1e7
[ 22.022671][ T330] 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)
[   22.023798][  T330] RSP: 002b:00007ffcb16034e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.024505][  T330] RAX: ffffffffffffffda RBX: 00007ffcb1603c10 RCX: 00007f9edd65e1e7
[   22.024971][  T330] RDX: 0000000000000000 RSI: 00007ffcb1603550 RDI: 0000000000000005
[   22.025663][  T330] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.026129][  T330] R10: 000000003e418910 R11: 0000000000000246 R12: 0000000000000004
[   22.026600][  T330] R13: 00000000686e65a5 R14: 0000000000499600 R15: 0000000000000000
| [   22.174125][  T331] ------------[ cut here ]------------
| [ 22.174473][ T331] WARNING: CPU: 3 PID: 331 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) 
| [   22.175117][  T331] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   22.176555][  T331] Tainted: [W]=WARN
[   22.176792][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.177170][ T331] 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) 
[ 22.177502][ T331] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.178599][  T331] RSP: 0018:ffffc900005a6ef0 EFLAGS: 00010246
[   22.178994][  T331] RAX: 0000000000000000 RBX: ffff88800974a000 RCX: 0000000000000001
[   22.179458][  T331] RDX: 0000000000000000 RSI: ffffffff9909b939 RDI: ffffffff988555e0
[   22.179924][  T331] RBP: ffffc900005a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.180391][  T331] R10: ffffc900005a7010 R11: ffffffff99ea8918 R12: 1ffff920000b4de2
[   22.180864][  T331] R13: 00000000000005dc R14: ffffc900005a7010 R15: ffff88800974af08
[   22.181349][  T331] FS:  00007ff9bbd03800(0000) GS:ffff88809b237000(0000) knlGS:0000000000000000
[   22.181902][  T331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.182334][  T331] CR2: 00000000004e5aa8 CR3: 000000000bc80003 CR4: 0000000000772ef0
[   22.182804][  T331] PKRU: 55555554
[   22.183036][  T331] Call Trace:
[   22.183276][  T331]  <TASK>
[ 22.183437][ T331] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.183781][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.184099][ T331] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.184419][ T331] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.184811][ T331] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.185119][ T331] netif_set_mtu (net/core/dev.c:9652) 
[ 22.185437][ T331] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.185761][ T331] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.186193][ T331] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.186435][ T331] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.186858][ T331] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.187212][ T331] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 22.187535][ T331] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.187846][ T331] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.188237][ T331] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.188570][ T331] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.188892][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.189215][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.189539][ T331] ? __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) 
[ 22.189847][ T331] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.190228][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.190570][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.190886][ T331] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.191191][ T331] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.191523][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.191834][ T331] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.192135][ T331] ? __create_object (mm/kmemleak.c:771) 
[ 22.192493][ T331] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.192811][ T331] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.193130][ T331] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.193547][ T331] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.193863][ T331] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.194183][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.194537][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.194855][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.195160][ T331] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.195509][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.195829][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.196148][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.196481][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.196826][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.197136][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.197450][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.197771][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.198101][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.198424][ T331] ? 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) 
[ 22.198735][ T331] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 22.199040][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.199352][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.199669][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.199979][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.200293][ T331] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.200630][ T331] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.200966][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.201278][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.201677][ T331] ___sys_sendmsg (net/socket.c:2670) 
[ 22.201976][ T331] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.202294][ T331] ? __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) 
[ 22.202683][ T331] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.203008][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.203334][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.203661][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.203987][ T331] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.204319][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.204649][ T331] __sys_sendmsg (net/socket.c:2700) 
[ 22.204967][ T331] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.205368][ T331] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.205692][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.206012][ T331] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.206333][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.206710][  T331] RIP: 0033:0x7ff9bbed01e7
[ 22.207027][ T331] 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)
[   22.208167][  T331] RSP: 002b:00007ffe5e25ffd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.208655][  T331] RAX: ffffffffffffffda RBX: 00007ffe5e260700 RCX: 00007ff9bbed01e7
[   22.209117][  T331] RDX: 0000000000000000 RSI: 00007ffe5e260040 RDI: 0000000000000005
[   22.209591][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.210050][  T331] R10: 0000000008631910 R11: 0000000000000246 R12: 0000000000000004
[   22.210521][  T331] R13: 00000000686e65a5 R14: 0000000000499600 R15: 0000000000000000
| [   22.642313][  T334] ------------[ cut here ]------------
| [ 22.642657][ T334] WARNING: CPU: 0 PID: 334 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) 
| [   22.644009][  T334] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   22.645231][  T334] Tainted: [W]=WARN
[   22.645484][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.645889][ T334] 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) 
[ 22.646212][ T334] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.647314][  T334] RSP: 0018:ffffc90000556ef0 EFLAGS: 00010246
[   22.647723][  T334] RAX: 0000000000000000 RBX: ffff88800974a000 RCX: 0000000000000001
[   22.648185][  T334] RDX: 0000000000000000 RSI: ffffffff9909b939 RDI: ffffffff988555e0
[   22.648653][  T334] RBP: ffffc90000556fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.649111][  T334] R10: ffffc90000557010 R11: ffffffff99ea8918 R12: 1ffff920000aade2
[   22.649586][  T334] R13: 00000000000005dc R14: ffffc90000557010 R15: ffff88800974af08
[   22.650074][  T334] FS:  00007f1e5baf7800(0000) GS:ffff88809b0b7000(0000) knlGS:0000000000000000
[   22.650634][  T334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.651039][  T334] CR2: 00000000004e5ab0 CR3: 000000000c9b2001 CR4: 0000000000772ef0
[   22.651554][  T334] PKRU: 55555554
[   22.651794][  T334] Call Trace:
[   22.652034][  T334]  <TASK>
[ 22.652195][ T334] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.652509][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.652825][ T334] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.653130][ T334] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.653527][ T334] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.653854][ T334] netif_set_mtu (net/core/dev.c:9652) 
[ 22.654175][ T334] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.654500][ T334] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.654944][ T334] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.655180][ T334] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.655626][ T334] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.655992][ T334] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 22.656331][ T334] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.656654][ T334] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.657058][ T334] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.657373][ T334] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.657694][ T334] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.658004][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.658322][ T334] ? __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) 
[ 22.658636][ T334] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.659030][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.659355][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.659664][ T334] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.659982][ T334] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.660302][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.660625][ T334] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.660934][ T334] ? __create_object (mm/kmemleak.c:771) 
[ 22.661266][ T334] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.661610][ T334] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.661926][ T334] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.662322][ T334] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.662650][ T334] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.662976][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.663338][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.663673][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.664004][ T334] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.664336][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.664662][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.664985][ T334] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.665321][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.665651][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.665987][ T334] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.666331][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.666659][ T334] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.666977][ T334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.667292][ T334] ? 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) 
[ 22.667612][ T334] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 22.667933][ T334] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.668237][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.668569][ T334] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.668890][ T334] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.669195][ T334] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.669527][ T334] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.669856][ T334] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.670172][ T334] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.670589][ T334] ___sys_sendmsg (net/socket.c:2670) 
[ 22.670909][ T334] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.671222][ T334] ? __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) 
[ 22.671645][ T334] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.671974][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.672290][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.672609][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.672919][ T334] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.673238][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.673578][ T334] __sys_sendmsg (net/socket.c:2700) 
[ 22.673900][ T334] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.674307][ T334] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.674639][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.674956][ T334] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.675296][ T334] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.675692][  T334] RIP: 0033:0x7f1e5bcc41e7
[ 22.676019][ T334] 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)
[   22.677142][  T334] RSP: 002b:00007ffd03091928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.677624][  T334] RAX: ffffffffffffffda RBX: 00007ffd03092050 RCX: 00007f1e5bcc41e7
[   22.678108][  T334] RDX: 0000000000000000 RSI: 00007ffd03091990 RDI: 0000000000000005
[   22.678594][  T334] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.679070][  T334] R10: 000000003e7c6910 R11: 0000000000000246 R12: 0000000000000004
[   22.679561][  T334] R13: 00000000686e65a6 R14: 0000000000499600 R15: 0000000000000000
| [   27.370997][  T380] ------------[ cut here ]------------
| [ 27.371715][ T380] WARNING: CPU: 0 PID: 380 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) 
| [   27.372762][  T380] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   27.374869][  T380] Tainted: [W]=WARN
[   27.375297][  T380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.375963][ T380] 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) 
[ 27.376545][ T380] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   27.378572][  T380] RSP: 0018:ffffc90000a46ef0 EFLAGS: 00010246
[   27.379297][  T380] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[   27.380140][  T380] RDX: 0000000000000000 RSI: ffffffff9909b939 RDI: ffffffff988555e0
[   27.381008][  T380] RBP: ffffc90000a46fe0 R08: 0000000000000000 R09: 0000000000000000
[   27.381805][  T380] R10: ffffc90000a47010 R11: ffffffff99579160 R12: 1ffff92000148de2
[   27.382315][  T380] R13: 00000000000005dc R14: ffffc90000a47010 R15: ffff88800c002f08
[   27.383047][  T380] FS:  00007fabb888a800(0000) GS:ffff88809b0b7000(0000) knlGS:0000000000000000
[   27.383866][  T380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.384286][  T380] CR2: 00000000004e6898 CR3: 000000000bac7003 CR4: 0000000000772ef0
[   27.384790][  T380] PKRU: 55555554
[   27.385051][  T380] Call Trace:
[   27.385310][  T380]  <TASK>
[ 27.385480][ T380] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 27.385824][ T380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.386163][ T380] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.386513][ T380] netif_set_mtu (net/core/dev.c:9652) 
[ 27.386970][ T380] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 27.387327][ T380] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 27.387595][ T380] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 27.388056][ T380] br_add_if (net/bridge/br_if.c:697) bridge 
[ 27.388441][ T380] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 27.388783][ T380] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 27.389111][ T380] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 27.389543][ T380] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 27.389871][ T380] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 27.390207][ T380] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.390602][ T380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.391191][ T380] ? __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) 
[ 27.391751][ T380] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 27.392152][ T380] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.392490][ T380] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.392822][ T380] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 27.393153][ T380] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 27.393487][ T380] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.393823][ T380] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.394140][ T380] ? __create_object (mm/kmemleak.c:771) 
[ 27.394486][ T380] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 27.394824][ T380] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 27.395146][ T380] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 27.395599][ T380] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 27.396061][ T380] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.396400][ T380] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.396741][ T380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.397079][ T380] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.397412][ T380] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.397747][ T380] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.398072][ T380] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.398404][ T380] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.398744][ T380] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.399070][ T380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.399410][ T380] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.399744][ T380] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.400066][ T380] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.400410][ T380] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.400748][ T380] ? 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) 
[ 27.401074][ T380] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 27.401429][ T380] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.401920][ T380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.402416][ T380] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.402775][ T380] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.403103][ T380] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.403459][ T380] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.403820][ T380] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.404148][ T380] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.404593][ T380] ___sys_sendmsg (net/socket.c:2670) 
[ 27.404914][ T380] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 27.405243][ T380] ? __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) 
[ 27.405671][ T380] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.406003][ T380] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.406344][ T380] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.406686][ T380] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.407012][ T380] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 27.407353][ T380] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.407697][ T380] __sys_sendmsg (net/socket.c:2700) 
[ 27.408015][ T380] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 27.408425][ T380] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.408782][ T380] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.409104][ T380] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.409444][ T380] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.409850][  T380] RIP: 0033:0x7fabb8a571e7
[ 27.410185][ T380] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   27.411355][  T380] RSP: 002b:00007ffe3dfc9f98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.411854][  T380] RAX: ffffffffffffffda RBX: 00007ffe3dfca6c0 RCX: 00007fabb8a571e7
[   27.412342][  T380] RDX: 0000000000000000 RSI: 00007ffe3dfca000 RDI: 0000000000000005
[   27.412835][  T380] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   27.413331][  T380] R10: 000000000d5ec910 R11: 0000000000000246 R12: 0000000000000004
[   27.413831][  T380] R13: 00000000686e65ab R14: 0000000000499600 R15: 0000000000000000
| [   28.163592][  T386] ------------[ cut here ]------------
| [ 28.163908][ T386] WARNING: CPU: 3 PID: 386 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   28.164774][  T386] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   28.166177][  T386] Tainted: [W]=WARN
[   28.166445][  T386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.166827][ T386] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 28.167225][ T386] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   28.168607][  T386] RSP: 0018:ffffc900005d6ef0 EFLAGS: 00010246
[   28.169061][  T386] RAX: 0000000000000000 RBX: ffff88800c002000 RCX: 0000000000000001
[   28.169787][  T386] RDX: 0000000000000000 RSI: ffffffff9909b939 RDI: ffffffff988555e0
[   28.170365][  T386] RBP: ffffc900005d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   28.170881][  T386] R10: ffffc900005d7010 R11: ffffffff99579160 R12: 1ffff920000bade2
[   28.171479][  T386] R13: 00000000000005dc R14: ffffc900005d7010 R15: ffff88800c002f08
[   28.172105][  T386] FS:  00007fba2d264800(0000) GS:ffff88809b237000(0000) knlGS:0000000000000000
[   28.172733][  T386] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.173179][  T386] CR2: 00000000004e5768 CR3: 000000000a9b4001 CR4: 0000000000772ef0
[   28.173753][  T386] PKRU: 55555554
[   28.173989][  T386] Call Trace:
[   28.174232][  T386]  <TASK>
[ 28.174407][ T386] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.174753][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.175193][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.175628][ T386] netif_set_mtu (net/core/dev.c:9652) 
[ 28.176052][ T386] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.176404][ T386] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.176733][ T386] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 28.177169][ T386] br_add_if (net/bridge/br_if.c:697) bridge 
[ 28.177564][ T386] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 28.178024][ T386] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 28.178444][ T386] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.178897][ T386] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.179224][ T386] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.179553][ T386] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.179865][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.180186][ T386] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 28.180658][ T386] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.181037][ T386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.181386][ T386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.181692][ T386] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 28.181994][ T386] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 28.182326][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.182649][ T386] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.182955][ T386] ? __create_object (mm/kmemleak.c:771) 
[ 28.183316][ T386] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 28.183624][ T386] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 28.184049][ T386] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.184458][ T386] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 28.184778][ T386] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.185093][ T386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.185433][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.185754][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.186059][ T386] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.186381][ T386] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.186688][ T386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.186996][ T386] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.187328][ T386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.187638][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.187955][ T386] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.188342][ T386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.188861][ T386] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.189184][ T386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.189510][ T386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 28.189824][ T386] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 28.190132][ T386] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.190465][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.190775][ T386] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.191081][ T386] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.191554][ T386] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.191884][ T386] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.192200][ T386] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.192515][ T386] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.192929][ T386] ___sys_sendmsg (net/socket.c:2670) 
[ 28.193232][ T386] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.193563][ T386] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 28.193954][ T386] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.194278][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.194589][ T386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.194903][ T386] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.195220][ T386] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 28.195755][ T386] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.196071][ T386] __sys_sendmsg (net/socket.c:2700) 
[ 28.196385][ T386] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.196771][ T386] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.197092][ T386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.197421][ T386] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.197738][ T386] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.198125][  T386] RIP: 0033:0x7fba2d4311e7
[ 28.198452][ T386] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   28.199549][  T386] RSP: 002b:00007ffc683df808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.200027][  T386] RAX: ffffffffffffffda RBX: 00007ffc683dff30 RCX: 00007fba2d4311e7
[   28.200498][  T386] RDX: 0000000000000000 RSI: 00007ffc683df870 RDI: 0000000000000005
[   28.200959][  T386] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.201442][  T386] R10: 000000000b78e910 R11: 0000000000000246 R12: 0000000000000004
[   28.201912][  T386] R13: 00000000686e65ab R14: 0000000000499600 R15: 0000000000000000
| [   31.658316][  T419] ------------[ cut here ]------------
| [ 31.658679][ T419] WARNING: CPU: 2 PID: 419 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) 
| [   31.660369][  T419] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   31.661625][  T419] Tainted: [W]=WARN
[   31.661876][  T419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.662286][ T419] 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) 
[ 31.662621][ T419] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   31.663976][  T419] RSP: 0018:ffffc90000c26ef0 EFLAGS: 00010246
[   31.664387][  T419] RAX: 0000000000000000 RBX: ffff88800be52000 RCX: 0000000000000001
[   31.664866][  T419] RDX: 0000000000000000 RSI: ffffffff9909b939 RDI: ffffffff988555e0
[   31.665356][  T419] RBP: ffffc90000c26fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.665832][  T419] R10: ffffc90000c27010 R11: ffffffff99579160 R12: 1ffff92000184de2
[   31.666311][  T419] R13: 00000000000005dc R14: ffffc90000c27010 R15: ffff88800be52f08
[   31.666779][  T419] FS:  00007fa82eebb800(0000) GS:ffff88809b1b7000(0000) knlGS:0000000000000000
[   31.667329][  T419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.667735][  T419] CR2: 00000000004e6898 CR3: 000000000ba3d001 CR4: 0000000000772ef0
[   31.668208][  T419] PKRU: 55555554
[   31.668462][  T419] Call Trace:
[   31.668708][  T419]  <TASK>
[ 31.668880][ T419] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.669202][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.669543][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.669877][ T419] netif_set_mtu (net/core/dev.c:9652) 
[ 31.670198][ T419] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.670542][ T419] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.670789][ T419] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.671232][ T419] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.671626][ T419] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 31.671954][ T419] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.672302][ T419] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.672708][ T419] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.673025][ T419] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.673353][ T419] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.673676][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.673996][ T419] ? __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) 
[ 31.674377][ T419] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.674793][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.675110][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.675438][ T419] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.675755][ T419] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.676077][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.676412][ T419] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.676729][ T419] ? __create_object (mm/kmemleak.c:771) 
[ 31.677052][ T419] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.677393][ T419] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.677714][ T419] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.678108][ T419] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.678451][ T419] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.678780][ T419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.679098][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.679430][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.679752][ T419] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.680078][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.680418][ T419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.680743][ T419] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.681062][ T419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.681421][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.681748][ T419] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.682069][ T419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.682403][ T419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.682739][ T419] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.683063][ T419] ? 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) 
[ 31.683392][ T419] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 31.683720][ T419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.684040][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.684373][ T419] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.684705][ T419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.685023][ T419] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.685360][ T419] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.685685][ T419] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.686004][ T419] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.686429][ T419] ___sys_sendmsg (net/socket.c:2670) 
[ 31.686742][ T419] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.687060][ T419] ? __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) 
[ 31.687469][ T419] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.687790][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.688124][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.688456][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.688773][ T419] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.689093][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.689437][ T419] __sys_sendmsg (net/socket.c:2700) 
[ 31.689769][ T419] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.690162][ T419] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.690499][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.690822][ T419] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.691137][ T419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.691563][  T419] RIP: 0033:0x7fa82f0881e7
[ 31.691900][ T419] 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)
[   31.693026][  T419] RSP: 002b:00007ffdcabf3d38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.693515][  T419] RAX: ffffffffffffffda RBX: 00007ffdcabf4460 RCX: 00007fa82f0881e7
[   31.694006][  T419] RDX: 0000000000000000 RSI: 00007ffdcabf3da0 RDI: 0000000000000005
[   31.694491][  T419] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.694962][  T419] R10: 0000000003c9b910 R11: 0000000000000246 R12: 0000000000000004
[   31.695444][  T419] R13: 00000000686e65af R14: 0000000000499600 R15: 0000000000000000
| [   32.397182][  T425] ------------[ cut here ]------------
| [ 32.397549][ T425] WARNING: CPU: 2 PID: 425 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) 
| [   32.398170][  T425] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   32.399597][  T425] Tainted: [W]=WARN
[   32.400090][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.400639][ T425] 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) 
[ 32.401179][ T425] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   32.402489][  T425] RSP: 0018:ffffc90000c66ef0 EFLAGS: 00010246
[   32.402897][  T425] RAX: 0000000000000000 RBX: ffff88800be52000 RCX: 0000000000000001
[   32.403378][  T425] RDX: 0000000000000000 RSI: ffffffff9909b939 RDI: ffffffff988555e0
[   32.403851][  T425] RBP: ffffc90000c66fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.404338][  T425] R10: ffffc90000c67010 R11: ffffffff99579160 R12: 1ffff9200018cde2
[   32.404817][  T425] R13: 00000000000005dc R14: ffffc90000c67010 R15: ffff88800be52f08
[   32.405297][  T425] FS:  00007f0dc6381800(0000) GS:ffff88809b1b7000(0000) knlGS:0000000000000000
[   32.405848][  T425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.406243][  T425] CR2: 00000000004e5768 CR3: 000000000e41b006 CR4: 0000000000772ef0
[   32.406732][  T425] PKRU: 55555554
[   32.406979][  T425] Call Trace:
[   32.407220][  T425]  <TASK>
[ 32.407401][ T425] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.407727][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.408053][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.408387][ T425] netif_set_mtu (net/core/dev.c:9652) 
[ 32.408707][ T425] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.409042][ T425] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.409302][ T425] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.409745][ T425] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.410111][ T425] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 32.410449][ T425] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.410772][ T425] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.411176][ T425] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.411520][ T425] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.411842][ T425] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.412166][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.412502][ T425] ? __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) 
[ 32.412822][ T425] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.413216][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.413548][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.413865][ T425] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.414189][ T425] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.414520][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.414842][ T425] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.415162][ T425] ? __create_object (mm/kmemleak.c:771) 
[ 32.415503][ T425] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.415830][ T425] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.416148][ T425] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.416552][ T425] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.416876][ T425] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.417202][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.417531][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.417864][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.418182][ T425] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.418513][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.418835][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.419169][ T425] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.419503][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.419831][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.420154][ T425] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.420488][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.420808][ T425] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.421140][ T425] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.421480][ T425] ? 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) 
[ 32.421802][ T425] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 32.422123][ T425] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.422448][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.422773][ T425] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.423093][ T425] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.423421][ T425] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.423751][ T425] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.424078][ T425] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.424407][ T425] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.424814][ T425] ___sys_sendmsg (net/socket.c:2670) 
[ 32.425128][ T425] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.425463][ T425] ? __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) 
[ 32.425857][ T425] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.426182][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.426514][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.426839][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.427155][ T425] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.427485][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.427810][ T425] __sys_sendmsg (net/socket.c:2700) 
[ 32.428126][ T425] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.428526][ T425] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.428868][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.429190][ T425] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.429520][ T425] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.429911][  T425] RIP: 0033:0x7f0dc654e1e7
[ 32.430241][ T425] 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)
[   32.431364][  T425] RSP: 002b:00007ffc2b05c368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.431847][  T425] RAX: ffffffffffffffda RBX: 00007ffc2b05ca90 RCX: 00007f0dc654e1e7
[   32.432332][  T425] RDX: 0000000000000000 RSI: 00007ffc2b05c3d0 RDI: 0000000000000005
[   32.432803][  T425] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.433294][  T425] R10: 000000003cb70910 R11: 0000000000000246 R12: 0000000000000004
[   32.433761][  T425] R13: 00000000686e65b0 R14: 0000000000499600 R15: 0000000000000000
| [   95.670821][  T623] ------------[ cut here ]------------
| [ 95.671225][ T623] WARNING: CPU: 2 PID: 623 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) 
| [   95.671937][  T623] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   95.673827][  T623] Tainted: [W]=WARN
[   95.674097][  T623] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 95.675004][ T623] 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) 
[ 95.675363][ T623] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   95.676514][  T623] RSP: 0018:ffffc90000c26f70 EFLAGS: 00010246
[   95.676941][  T623] RAX: 0000000000000000 RBX: ffff88800974a000 RCX: 0000000000000001
[   95.677459][  T623] RDX: 0000000000000000 RSI: ffffffff9909b939 RDI: ffffffff988555e0
[   95.677952][  T623] RBP: ffffc90000c27058 R08: 0000000000000000 R09: 0000000000000000
[   95.678443][  T623] R10: ffffc90000c27088 R11: ffffffff95400130 R12: 1ffff92000184df2
[   95.678925][  T623] R13: 00000000000005dc R14: ffffc90000c27088 R15: ffff88800974af08
[   95.679415][  T623] FS:  00007f4f28218800(0000) GS:ffff88809b1b7000(0000) knlGS:0000000000000000
[   95.679992][  T623] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.680433][  T623] CR2: 00000000004e5ab0 CR3: 0000000004caa001 CR4: 0000000000772ef0
[   95.680944][  T623] PKRU: 55555554
[   95.681198][  T623] Call Trace:
[   95.681486][  T623]  <TASK>
[ 95.681670][ T623] ? __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) 
[ 95.682085][ T623] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 95.682481][ T623] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 95.682806][ T623] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 95.683135][ T623] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 95.683474][ T623] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 95.683803][ T623] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 95.684168][ T623] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 95.684523][ T623] ? ___sys_sendmsg (net/socket.c:2670) 
[ 95.684878][ T623] ? __sys_sendmsg (net/socket.c:2700) 
[ 95.685220][ T623] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 95.685605][ T623] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 95.686037][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 95.686394][ T623] netif_set_mtu (net/core/dev.c:9652) 
[ 95.686732][ T623] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 95.687092][ T623] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 95.687385][ T623] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 95.687857][ T623] br_del_if (net/bridge/br_if.c:743) bridge 
[ 95.688237][ T623] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 95.688597][ T623] do_set_master (net/core/rtnetlink.c:2932) 
[ 95.688935][ T623] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 95.689280][ T623] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 95.689701][ T623] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 95.690029][ T623] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 95.690371][ T623] ? __kernel_text_address (kernel/extable.c:79) 
[ 95.690695][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 95.691024][ T623] ? __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) 
[ 95.691363][ T623] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 95.691774][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 95.692097][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 95.692435][ T623] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 95.692753][ T623] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 95.693076][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 95.693415][ T623] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 95.693748][ T623] ? __create_object (mm/kmemleak.c:771) 
[ 95.694071][ T623] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 95.694407][ T623] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 95.694726][ T623] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 95.695156][ T623] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 95.695508][ T623] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 95.695869][ T623] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 95.696209][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 95.696560][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 95.696892][ T623] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 95.697209][ T623] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 95.697580][ T623] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 95.697917][ T623] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 95.698235][ T623] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 95.698571][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 95.698894][ T623] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 95.699209][ T623] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 95.699536][ T623] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 95.699868][ T623] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 95.700213][ T623] ? 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) 
[ 95.700548][ T623] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 95.700873][ T623] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 95.701192][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 95.701553][ T623] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 95.701880][ T623] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 95.702196][ T623] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 95.702548][ T623] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 95.702872][ T623] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 95.703185][ T623] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 95.703602][ T623] ___sys_sendmsg (net/socket.c:2670) 
[ 95.703926][ T623] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 95.704245][ T623] ? __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) 
[ 95.704646][ T623] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 95.704971][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 95.705321][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 95.705672][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 95.706006][ T623] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 95.706355][ T623] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 95.706697][ T623] __sys_sendmsg (net/socket.c:2700) 
[ 95.707030][ T623] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 95.707458][ T623] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 95.707804][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 95.708141][ T623] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 95.708494][ T623] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   95.708909][  T623] RIP: 0033:0x7f4f283e51e7
[ 95.709279][ T623] 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)
[   95.710432][  T623] RSP: 002b:00007fff8ecd54c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   95.710909][  T623] RAX: ffffffffffffffda RBX: 00007fff8ecd5bf0 RCX: 00007f4f283e51e7
[   95.711407][  T623] RDX: 0000000000000000 RSI: 00007fff8ecd5530 RDI: 0000000000000005
[   95.711896][  T623] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   95.712379][  T623] R10: 00007f4f282e2ee8 R11: 0000000000000246 R12: 0000000000000003
[   95.712853][  T623] R13: 00000000686e65ef R14: 0000000000499600 R15: 0000000000000000
| [   96.150936][  T626] ------------[ cut here ]------------
| [ 96.151312][ T626] WARNING: CPU: 0 PID: 626 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) 
| [   96.152005][  T626] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   96.155084][  T626] Tainted: [W]=WARN
[   96.155365][  T626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 96.155792][ T626] 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) 
[ 96.156138][ T626] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   96.157350][  T626] RSP: 0018:ffffc90000c46f70 EFLAGS: 00010246
[   96.157782][  T626] RAX: 0000000000000000 RBX: ffff88800974a000 RCX: 0000000000000001
[   96.158293][  T626] RDX: 0000000000000000 RSI: ffffffff9909b939 RDI: ffffffff988555e0
[   96.158792][  T626] RBP: ffffc90000c47058 R08: 0000000000000000 R09: 0000000000000000
[   96.159332][  T626] R10: ffffc90000c47088 R11: ffffffff99579160 R12: 1ffff92000188df2
[   96.159844][  T626] R13: 00000000000005dc R14: ffffc90000c47088 R15: ffff88800974af08
[   96.160384][  T626] FS:  00007ff1f14ec800(0000) GS:ffff88809b0b7000(0000) knlGS:0000000000000000
[   96.160983][  T626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   96.161426][  T626] CR2: 00000000004e5aa8 CR3: 000000000ee82005 CR4: 0000000000772ef0
[   96.161957][  T626] PKRU: 55555554
[   96.162200][  T626] Call Trace:
[   96.162462][  T626]  <TASK>
[ 96.162627][ T626] ? __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) 
[ 96.163031][ T626] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 96.163410][ T626] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 96.163738][ T626] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 96.164064][ T626] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 96.164401][ T626] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 96.164734][ T626] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 96.165057][ T626] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 96.165399][ T626] ? ___sys_sendmsg (net/socket.c:2670) 
[ 96.165718][ T626] ? __sys_sendmsg (net/socket.c:2700) 
[ 96.166037][ T626] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 96.166369][ T626] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 96.166765][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.167093][ T626] netif_set_mtu (net/core/dev.c:9652) 
[ 96.167430][ T626] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 96.167765][ T626] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 96.168009][ T626] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 96.168458][ T626] br_del_if (net/bridge/br_if.c:743) bridge 
[ 96.168821][ T626] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 96.169136][ T626] do_set_master (net/core/rtnetlink.c:2932) 
[ 96.169469][ T626] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 96.169793][ T626] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 96.170200][ T626] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 96.170528][ T626] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 96.170844][ T626] ? __kernel_text_address (kernel/extable.c:79) 
[ 96.171163][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.171505][ T626] ? __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) 
[ 96.171833][ T626] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 96.172232][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.172567][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.172883][ T626] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 96.173199][ T626] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 96.173528][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.173849][ T626] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 96.174162][ T626] ? __create_object (mm/kmemleak.c:771) 
[ 96.174493][ T626] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 96.174830][ T626] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 96.175147][ T626] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 96.175556][ T626] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 96.175883][ T626] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 96.176210][ T626] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.176540][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.176864][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.177189][ T626] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 96.177528][ T626] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.177848][ T626] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.178170][ T626] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 96.178497][ T626] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.178817][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.179135][ T626] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 96.179469][ T626] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.179794][ T626] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 96.180122][ T626] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 96.180450][ T626] ? 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) 
[ 96.180770][ T626] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 96.181091][ T626] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 96.181424][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.181746][ T626] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 96.182068][ T626] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 96.182412][ T626] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 96.182743][ T626] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 96.183061][ T626] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 96.183386][ T626] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 96.183792][ T626] ___sys_sendmsg (net/socket.c:2670) 
[ 96.184104][ T626] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 96.184441][ T626] ? __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) 
[ 96.184845][ T626] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 96.185166][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.185499][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.185823][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.186143][ T626] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 96.186467][ T626] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.186790][ T626] __sys_sendmsg (net/socket.c:2700) 
[ 96.187119][ T626] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 96.187521][ T626] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 96.187849][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.188176][ T626] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 96.188508][ T626] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   96.188903][  T626] RIP: 0033:0x7ff1f16b91e7
[ 96.189235][ T626] 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)
[   96.190382][  T626] RSP: 002b:00007ffc590a5748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   96.190861][  T626] RAX: ffffffffffffffda RBX: 00007ffc590a5e70 RCX: 00007ff1f16b91e7
[   96.191346][  T626] RDX: 0000000000000000 RSI: 00007ffc590a57b0 RDI: 0000000000000005
[   96.191833][  T626] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   96.192319][  T626] R10: 00007ff1f15b6ee8 R11: 0000000000000246 R12: 0000000000000003
[   96.192797][  T626] R13: 00000000686e65ef R14: 0000000000499600 R15: 0000000000000000
| [   96.352779][  T627] ------------[ cut here ]------------
| [ 96.353131][ T627] WARNING: CPU: 1 PID: 627 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) 
| [   96.353790][  T627] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   96.356714][  T627] Tainted: [W]=WARN
[   96.356946][  T627] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 96.357366][ T627] 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) 
[ 96.357690][ T627] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   96.358804][  T627] RSP: 0018:ffffc90000c56f70 EFLAGS: 00010246
[   96.359191][  T627] RAX: 0000000000000000 RBX: ffff88800974a000 RCX: 0000000000000001
[   96.359676][  T627] RDX: 0000000000000000 RSI: ffffffff9909b939 RDI: ffffffff988555e0
[   96.360129][  T627] RBP: ffffc90000c57058 R08: 0000000000000000 R09: 0000000000000000
[   96.360619][  T627] R10: ffffc90000c57088 R11: ffffffff99579160 R12: 1ffff9200018adf2
[   96.361075][  T627] R13: 00000000000005dc R14: ffffc90000c57088 R15: ffff88800974af08
[   96.361584][  T627] FS:  00007f69f6c61800(0000) GS:ffff88809b137000(0000) knlGS:0000000000000000
[   96.362120][  T627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   96.362537][  T627] CR2: 00000000004e5760 CR3: 000000000fb15002 CR4: 0000000000772ef0
[   96.362998][  T627] PKRU: 55555554
[   96.363228][  T627] Call Trace:
[   96.363479][  T627]  <TASK>
[ 96.363637][ T627] ? __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) 
[ 96.364026][ T627] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 96.364407][ T627] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 96.364721][ T627] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 96.365038][ T627] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 96.365362][ T627] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 96.365690][ T627] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 96.365995][ T627] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 96.366313][ T627] ? ___sys_sendmsg (net/socket.c:2670) 
[ 96.366638][ T627] ? __sys_sendmsg (net/socket.c:2700) 
[ 96.366941][ T627] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 96.367245][ T627] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 96.367653][ T627] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.367971][ T627] netif_set_mtu (net/core/dev.c:9652) 
[ 96.368288][ T627] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 96.368623][ T627] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 96.368855][ T627] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 96.369301][ T627] br_del_if (net/bridge/br_if.c:743) bridge 
[ 96.369662][ T627] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 96.369974][ T627] do_set_master (net/core/rtnetlink.c:2932) 
[ 96.370293][ T627] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 96.370618][ T627] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 96.371011][ T627] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 96.371326][ T627] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 96.371660][ T627] ? __kernel_text_address (kernel/extable.c:79) 
[ 96.371973][ T627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.372302][ T627] ? __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) 
[ 96.372620][ T627] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 96.373000][ T627] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.373329][ T627] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.373650][ T627] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 96.373953][ T627] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 96.374273][ T627] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.374594][ T627] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 96.374916][ T627] ? __create_object (mm/kmemleak.c:771) 
[ 96.375225][ T627] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 96.375554][ T627] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 96.375878][ T627] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 96.376273][ T627] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 96.376597][ T627] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 96.376927][ T627] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.377242][ T627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.377580][ T627] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.377916][ T627] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 96.378220][ T627] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.378535][ T627] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.378856][ T627] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 96.379163][ T627] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.379480][ T627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.379828][ T627] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 96.380137][ T627] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.380455][ T627] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 96.380785][ T627] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 96.381091][ T627] ? 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) 
[ 96.381428][ T627] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 96.381739][ T627] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 96.382066][ T627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.382386][ T627] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 96.382693][ T627] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 96.383016][ T627] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 96.383338][ T627] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 96.383649][ T627] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 96.383967][ T627] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 96.384376][ T627] ___sys_sendmsg (net/socket.c:2670) 
[ 96.384677][ T627] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 96.384995][ T627] ? __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) 
[ 96.385399][ T627] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 96.385719][ T627] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.386039][ T627] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.386358][ T627] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.386671][ T627] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 96.386991][ T627] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.387316][ T627] __sys_sendmsg (net/socket.c:2700) 
[ 96.387620][ T627] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 96.388014][ T627] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 96.388344][ T627] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.388654][ T627] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 96.388986][ T627] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   96.389387][  T627] RIP: 0033:0x7f69f6e2e1e7
[ 96.389715][ T627] 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)
[   96.390827][  T627] RSP: 002b:00007ffcaa92f7e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   96.391330][  T627] RAX: ffffffffffffffda RBX: 00007ffcaa92ff10 RCX: 00007f69f6e2e1e7
[   96.391800][  T627] RDX: 0000000000000000 RSI: 00007ffcaa92f850 RDI: 0000000000000005
[   96.392287][  T627] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   96.392747][  T627] R10: 00007f69f6d2bee8 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