======================================
| [   20.227749][  T329] br1: port 1(vx10) entered forwarding state
| [   20.229072][  T329] ------------[ cut here ]------------
| [ 20.229381][ T329] WARNING: CPU: 3 PID: 329 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) 
| [   20.230018][  T329] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
[   20.231186][  T329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.231572][ T329] 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) 
[ 20.232050][ T329] 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
[   20.233411][  T329] RSP: 0018:ffffc900004f6ef0 EFLAGS: 00010246
[   20.234042][  T329] RAX: 0000000000000000 RBX: ffff88800b6ca000 RCX: 0000000000000001
[   20.234509][  T329] RDX: 0000000000000000 RSI: ffffffff8c69b939 RDI: ffffffff8be555e0
[   20.235270][  T329] RBP: ffffc900004f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.235877][  T329] R10: ffffc900004f7010 R11: ffffffff8d4a8918 R12: 1ffff9200009ede2
[   20.236342][  T329] R13: 00000000000005dc R14: ffffc900004f7010 R15: ffff88800b6caf08
[   20.236954][  T329] FS:  00007fcea3687800(0000) GS:ffff8880a7c37000(0000) knlGS:0000000000000000
[   20.237488][  T329] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.237987][  T329] CR2: 00000000004e5ce0 CR3: 000000000cd9d002 CR4: 0000000000772ef0
[   20.238466][  T329] PKRU: 55555554
[   20.238709][  T329] Call Trace:
[   20.238946][  T329]  <TASK>
[ 20.239110][ T329] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.239422][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.239745][ T329] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.240048][ T329] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.240428][ T329] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.240746][ T329] netif_set_mtu (net/core/dev.c:9652) 
[ 20.241059][ T329] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.241377][ T329] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.241818][ T329] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.242048][ T329] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.242466][ T329] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.242831][ T329] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 20.243145][ T329] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.243457][ T329] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.243865][ T329] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.244172][ T329] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.244475][ T329] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.244795][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.245107][ T329] ? __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) 
[ 20.245417][ T329] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.245804][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.246110][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.246414][ T329] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.246726][ T329] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.247033][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.247338][ T329] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.247639][ T329] ? __create_object (mm/kmemleak.c:771) 
[ 20.247952][ T329] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.248269][ T329] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.248571][ T329] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.248956][ T329] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.249269][ T329] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.249585][ T329] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.249903][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.250215][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.250520][ T329] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.250831][ T329] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.251141][ T329] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.251453][ T329] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.251768][ T329] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.252080][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.252389][ T329] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.252702][ T329] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.253007][ T329] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.253321][ T329] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.253623][ T329] ? 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) 
[ 20.253938][ T329] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.254249][ T329] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.254553][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.254875][ T329] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.255186][ T329] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.255492][ T329] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.255817][ T329] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.256128][ T329] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.256433][ T329] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.256836][ T329] ___sys_sendmsg (net/socket.c:2670) 
[ 20.257135][ T329] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.257438][ T329] ? __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) 
[ 20.257829][ T329] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.258146][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.258454][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.258772][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.259084][ T329] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.259391][ T329] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.259711][ T329] __sys_sendmsg (net/socket.c:2700) 
[ 20.260014][ T329] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.260396][ T329] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.260723][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.261033][ T329] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.261345][ T329] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.261739][  T329] RIP: 0033:0x7fcea38541e7
[ 20.262058][ T329] 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)
[   20.263160][  T329] RSP: 002b:00007ffcddd177e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.263639][  T329] RAX: ffffffffffffffda RBX: 00007ffcddd17f10 RCX: 00007fcea38541e7
[   20.264109][  T329] RDX: 0000000000000000 RSI: 00007ffcddd17850 RDI: 0000000000000005
[   20.264852][  T329] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.265318][  T329] R10: 0000000009a59910 R11: 0000000000000246 R12: 0000000000000004
[   20.266249][  T329] R13: 00000000686e725d R14: 0000000000499600 R15: 0000000000000000
| [   20.801390][  T334] ------------[ cut here ]------------
| [ 20.801708][ T334] WARNING: CPU: 3 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) 
| [   20.802305][  T334] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   20.803619][  T334] Tainted: [W]=WARN
[   20.804844][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.805227][ 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) 
[ 20.805542][ 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
[   20.806637][  T334] RSP: 0018:ffffc90000546ef0 EFLAGS: 00010246
[   20.807031][  T334] RAX: 0000000000000000 RBX: ffff88800b6ca000 RCX: 0000000000000001
[   20.807485][  T334] RDX: 0000000000000000 RSI: ffffffff8c69b939 RDI: ffffffff8be555e0
[   20.807952][  T334] RBP: ffffc90000546fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.808421][  T334] R10: ffffc90000547010 R11: ffffffff8d4a8918 R12: 1ffff920000a8de2
[   20.808891][  T334] R13: 00000000000005dc R14: ffffc90000547010 R15: ffff88800b6caf08
[   20.809350][  T334] FS:  00007f51181e1800(0000) GS:ffff8880a7c37000(0000) knlGS:0000000000000000
[   20.809885][  T334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.810271][  T334] CR2: 00000000004e5de8 CR3: 000000000cf4e003 CR4: 0000000000772ef0
[   20.810742][  T334] PKRU: 55555554
[   20.810970][  T334] Call Trace:
[   20.811203][  T334]  <TASK>
[ 20.811362][ T334] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.811677][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.811986][ T334] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.812293][ T334] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.812683][ T334] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.812997][ T334] netif_set_mtu (net/core/dev.c:9652) 
[ 20.813302][ T334] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.813618][ T334] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.814060][ T334] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.814292][ T334] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.814734][ T334] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.815088][ T334] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 20.815406][ T334] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.815728][ T334] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.816115][ T334] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.816420][ T334] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.816732][ T334] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.817042][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.817352][ 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) 
[ 20.817669][ T334] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.818052][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.818367][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.818678][ T334] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.818985][ T334] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.819293][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.819601][ T334] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.819914][ T334] ? __create_object (mm/kmemleak.c:771) 
[ 20.820223][ T334] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.820529][ T334] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.820841][ T334] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.821221][ T334] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.821535][ T334] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.821853][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.822160][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.822473][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.822785][ T334] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.823088][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.823394][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.823706][ T334] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.824017][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.824329][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.824640][ T334] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.824955][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.825266][ T334] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.825584][ T334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.825896][ 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) 
[ 20.826203][ T334] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.826511][ T334] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.826827][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.827135][ T334] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.827444][ T334] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.827760][ T334] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.828072][ T334] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.828390][ T334] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.828702][ T334] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.829103][ T334] ___sys_sendmsg (net/socket.c:2670) 
[ 20.829407][ T334] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.829721][ 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) 
[ 20.830101][ T334] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.830410][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.830726][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.831046][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.831354][ 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) 
[ 20.831668][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.831982][ T334] __sys_sendmsg (net/socket.c:2700) 
[ 20.832286][ T334] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.832673][ T334] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.832992][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.833300][ T334] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.833604][ T334] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.833989][  T334] RIP: 0033:0x7f51183ae1e7
[ 20.834305][ 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)
[   20.835408][  T334] RSP: 002b:00007fff7c2e9048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.835878][  T334] RAX: ffffffffffffffda RBX: 00007fff7c2e9770 RCX: 00007f51183ae1e7
[   20.836345][  T334] RDX: 0000000000000000 RSI: 00007fff7c2e90b0 RDI: 0000000000000005
[   20.836818][  T334] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.837281][  T334] R10: 0000000036833910 R11: 0000000000000246 R12: 0000000000000004
[   20.837745][  T334] R13: 00000000686e725e R14: 0000000000499600 R15: 0000000000000000
| [   21.077889][  T336] ------------[ cut here ]------------
| [ 21.078209][ T336] WARNING: CPU: 0 PID: 336 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) 
| [   21.078830][  T336] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.080012][  T336] Tainted: [W]=WARN
[   21.080245][  T336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.080628][ T336] 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) 
[ 21.080957][ T336] 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
[   21.082053][  T336] RSP: 0018:ffffc90000536ef0 EFLAGS: 00010246
[   21.082439][  T336] RAX: 0000000000000000 RBX: ffff88800b6ca000 RCX: 0000000000000001
[   21.082926][  T336] RDX: 0000000000000000 RSI: ffffffff8c69b939 RDI: ffffffff8be555e0
[   21.083384][  T336] RBP: ffffc90000536fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.083869][  T336] R10: ffffc90000537010 R11: ffffffff8d4a8918 R12: 1ffff920000a6de2
[   21.084327][  T336] R13: 00000000000005dc R14: ffffc90000537010 R15: ffff88800b6caf08
[   21.084799][  T336] FS:  00007f85b6abc800(0000) GS:ffff8880a7ab7000(0000) knlGS:0000000000000000
[   21.085334][  T336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.085727][  T336] CR2: 00000000004e5aa8 CR3: 000000000cd9d002 CR4: 0000000000772ef0
[   21.086198][  T336] PKRU: 55555554
[   21.086434][  T336] Call Trace:
[   21.086672][  T336]  <TASK>
[ 21.086834][ T336] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.087142][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.087451][ T336] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.087765][ T336] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.088156][ T336] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.088467][ T336] netif_set_mtu (net/core/dev.c:9652) 
[ 21.088787][ T336] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.089105][ T336] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.089538][ T336] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.089784][ T336] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.090206][ T336] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.090560][ T336] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 21.090890][ T336] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.091203][ T336] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.091592][ T336] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.091908][ T336] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.092214][ T336] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.092526][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.092847][ T336] ? __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) 
[ 21.093155][ T336] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.093535][ T336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.093860][ T336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.094165][ T336] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.094467][ T336] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.094781][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.095085][ T336] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.095385][ T336] ? __create_object (mm/kmemleak.c:771) 
[ 21.095698][ T336] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.096003][ T336] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.096315][ T336] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.096705][ T336] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.097016][ T336] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.097325][ T336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.097628][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.097949][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.098263][ T336] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.098569][ T336] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.098885][ T336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.099188][ T336] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.099495][ T336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.099828][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.100137][ T336] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.100444][ T336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.100762][ T336] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.101082][ T336] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.101385][ T336] ? 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) 
[ 21.101701][ T336] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.102009][ T336] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.102314][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.102624][ T336] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.102942][ T336] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.103250][ T336] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.103565][ T336] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.103884][ T336] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.104187][ T336] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.104578][ T336] ___sys_sendmsg (net/socket.c:2670) 
[ 21.104900][ T336] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.105203][ T336] ? __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) 
[ 21.105589][ T336] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.105908][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.106218][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.106528][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.106842][ T336] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.107146][ T336] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.107494][ T336] __sys_sendmsg (net/socket.c:2700) 
[ 21.107911][ T336] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.108297][ T336] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.108613][ T336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.108934][ T336] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.109242][ T336] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.109620][  T336] RIP: 0033:0x7f85b6c891e7
[ 21.110063][ T336] 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)
[   21.111164][  T336] RSP: 002b:00007ffdcdc65778 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.111628][  T336] RAX: ffffffffffffffda RBX: 00007ffdcdc65ea0 RCX: 00007f85b6c891e7
[   21.112094][  T336] RDX: 0000000000000000 RSI: 00007ffdcdc657e0 RDI: 0000000000000005
[   21.112702][  T336] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.113178][  T336] R10: 000000003d21f910 R11: 0000000000000246 R12: 0000000000000004
[   21.113635][  T336] R13: 00000000686e725e R14: 0000000000499600 R15: 0000000000000000
| [   21.441374][  T339] ------------[ cut here ]------------
| [ 21.441708][ T339] WARNING: CPU: 3 PID: 339 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) 
| [   21.442330][  T339] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.443536][  T339] Tainted: [W]=WARN
[   21.443801][  T339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.444187][ T339] 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) 
[ 21.444504][ T339] 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
[   21.445647][  T339] RSP: 0018:ffffc900005a6ef0 EFLAGS: 00010246
[   21.446059][  T339] RAX: 0000000000000000 RBX: ffff88800b6ca000 RCX: 0000000000000001
[   21.446551][  T339] RDX: 0000000000000000 RSI: ffffffff8c69b939 RDI: ffffffff8be555e0
[   21.447019][  T339] RBP: ffffc900005a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.447490][  T339] R10: ffffc900005a7010 R11: ffffffff8d4a8918 R12: 1ffff920000b4de2
[   21.447974][  T339] R13: 00000000000005dc R14: ffffc900005a7010 R15: ffff88800b6caf08
[   21.448468][  T339] FS:  00007f8cc2998800(0000) GS:ffff8880a7c37000(0000) knlGS:0000000000000000
[   21.449016][  T339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.449417][  T339] CR2: 00000000004e5ab0 CR3: 0000000009d0e002 CR4: 0000000000772ef0
[   21.449914][  T339] PKRU: 55555554
[   21.450144][  T339] Call Trace:
[   21.450390][  T339]  <TASK>
[ 21.450561][ T339] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.450900][ T339] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.451224][ T339] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.451544][ T339] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.451960][ T339] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.452293][ T339] netif_set_mtu (net/core/dev.c:9652) 
[ 21.452601][ T339] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.452929][ T339] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.453381][ T339] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.453628][ T339] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.454085][ T339] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.454453][ T339] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 21.454790][ T339] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.455101][ T339] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.455483][ T339] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.455806][ T339] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.456112][ T339] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.456431][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.456758][ T339] ? __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) 
[ 21.457071][ T339] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.457450][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.457762][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.458076][ T339] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.458401][ T339] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.458720][ T339] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.459049][ T339] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.459365][ T339] ? __create_object (mm/kmemleak.c:771) 
[ 21.459687][ T339] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.459995][ T339] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.460296][ T339] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.460696][ T339] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.461021][ T339] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.461346][ T339] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.461666][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.461975][ T339] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.462289][ T339] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.462605][ T339] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.462926][ T339] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.463237][ T339] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.463545][ T339] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.463880][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.464196][ T339] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.464502][ T339] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.464818][ T339] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.465142][ T339] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.465445][ T339] ? 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) 
[ 21.465758][ T339] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.466072][ T339] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.466373][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.466693][ T339] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.467002][ T339] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.467310][ T339] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.467620][ T339] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.467947][ T339] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.468265][ T339] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.468671][ T339] ___sys_sendmsg (net/socket.c:2670) 
[ 21.468973][ T339] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.469278][ T339] ? __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) 
[ 21.469672][ T339] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.469980][ T339] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.470337][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.470682][ T339] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.471010][ T339] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.471327][ T339] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.471674][ T339] __sys_sendmsg (net/socket.c:2700) 
[ 21.472001][ T339] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.472392][ T339] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.472732][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.473060][ T339] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.473383][ T339] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.473790][  T339] RIP: 0033:0x7f8cc2b651e7
[ 21.474146][ T339] 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)
[   21.475301][  T339] RSP: 002b:00007ffc563cdfa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.475848][  T339] RAX: ffffffffffffffda RBX: 00007ffc563ce6d0 RCX: 00007f8cc2b651e7
[   21.476340][  T339] RDX: 0000000000000000 RSI: 00007ffc563ce010 RDI: 0000000000000005
[   21.476825][  T339] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.477315][  T339] R10: 000000002d048910 R11: 0000000000000246 R12: 0000000000000004
[   21.477803][  T339] R13: 00000000686e725f R14: 0000000000499600 R15: 0000000000000000
| [   30.154149][  T425] ------------[ cut here ]------------
| [ 30.154464][ T425] WARNING: CPU: 0 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) 
| [   30.155086][  T425] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   30.156827][  T425] Tainted: [W]=WARN
[   30.157060][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.157441][ 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) 
[ 30.157780][ 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
[   30.158914][  T425] RSP: 0018:ffffc90000b36ef0 EFLAGS: 00010246
[   30.159301][  T425] RAX: 0000000000000000 RBX: ffff888009852000 RCX: 0000000000000001
[   30.159774][  T425] RDX: 0000000000000000 RSI: ffffffff8c69b939 RDI: ffffffff8be555e0
[   30.160235][  T425] RBP: ffffc90000b36fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.160707][  T425] R10: ffffc90000b37010 R11: ffffffff8cb79160 R12: 1ffff92000166de2
[   30.161172][  T425] R13: 00000000000005dc R14: ffffc90000b37010 R15: ffff888009852f08
[   30.161632][  T425] FS:  00007f547efa0800(0000) GS:ffff8880a7ab7000(0000) knlGS:0000000000000000
[   30.162182][  T425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.162569][  T425] CR2: 00000000004e5ce0 CR3: 000000000a3d1003 CR4: 0000000000772ef0
[   30.163048][  T425] PKRU: 55555554
[   30.163282][  T425] Call Trace:
[   30.163535][  T425]  <TASK>
[ 30.163722][ T425] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.164037][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.164356][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.164683][ T425] netif_set_mtu (net/core/dev.c:9652) 
[ 30.164992][ T425] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.165322][ T425] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.165553][ T425] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.165998][ T425] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.166351][ T425] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 30.166670][ T425] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.166981][ T425] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.167368][ T425] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.167690][ T425] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.168008][ T425] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.168338][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.168649][ 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) 
[ 30.168979][ T425] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.169363][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.169681][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.169997][ T425] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.170304][ T425] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.170611][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.170937][ T425] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.171244][ T425] ? __create_object (mm/kmemleak.c:771) 
[ 30.171555][ T425] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.171876][ T425] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.172210][ T425] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.172604][ T425] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.172930][ T425] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.173242][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.173548][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.173870][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.174181][ T425] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.174485][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.174810][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.175115][ T425] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.175420][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.175740][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.176053][ T425] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.176361][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.176681][ T425] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.177000][ T425] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.177310][ 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) 
[ 30.177617][ T425] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 30.177938][ T425] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.178258][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.178576][ T425] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.178896][ T425] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.179202][ T425] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.179529][ T425] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.179864][ T425] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.180176][ T425] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.180571][ T425] ___sys_sendmsg (net/socket.c:2670) 
[ 30.180898][ T425] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.181206][ 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) 
[ 30.181595][ T425] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.181923][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.182243][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.182562][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.182886][ 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) 
[ 30.183196][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.183517][ T425] __sys_sendmsg (net/socket.c:2700) 
[ 30.183837][ T425] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.184227][ T425] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.184550][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.184874][ T425] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.185184][ T425] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.185567][  T425] RIP: 0033:0x7f547f16d1e7
[ 30.185897][ 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)
[   30.187013][  T425] RSP: 002b:00007ffc8273eb08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.187478][  T425] RAX: ffffffffffffffda RBX: 00007ffc8273f230 RCX: 00007f547f16d1e7
[   30.187948][  T425] RDX: 0000000000000000 RSI: 00007ffc8273eb70 RDI: 0000000000000005
[   30.188428][  T425] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.188912][  T425] R10: 00000000199b7910 R11: 0000000000000246 R12: 0000000000000004
[   30.189373][  T425] R13: 00000000686e7267 R14: 0000000000499600 R15: 0000000000000000
| [   30.649144][  T429] ------------[ cut here ]------------
| [ 30.649545][ T429] WARNING: CPU: 3 PID: 429 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   30.650580][  T429] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   30.652808][  T429] Tainted: [W]=WARN
[   30.653216][  T429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.653902][ T429] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 30.654460][ T429] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   30.656406][  T429] RSP: 0018:ffffc90000c86ef0 EFLAGS: 00010246
[   30.657102][  T429] RAX: 0000000000000000 RBX: ffff888009852000 RCX: 0000000000000001
[   30.657930][  T429] RDX: 0000000000000000 RSI: ffffffff8c69b939 RDI: ffffffff8be555e0
[   30.658761][  T429] RBP: ffffc90000c86fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.659575][  T429] R10: ffffc90000c87010 R11: ffffffff8cb79160 R12: 1ffff92000190de2
[   30.660400][  T429] R13: 00000000000005dc R14: ffffc90000c87010 R15: ffff888009852f08
[   30.661222][  T429] FS:  00007f598f820800(0000) GS:ffff8880a7c37000(0000) knlGS:0000000000000000
[   30.662181][  T429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.662881][  T429] CR2: 00000000004e5de8 CR3: 000000000f443001 CR4: 0000000000772ef0
[   30.663710][  T429] PKRU: 55555554
[   30.664115][  T429] Call Trace:
[   30.664522][  T429]  <TASK>
[ 30.664817][ T429] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.665362][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.665933][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.666482][ T429] netif_set_mtu (net/core/dev.c:9652) 
[ 30.667042][ T429] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.667618][ T429] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.668076][ T429] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.668723][ T429] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.669303][ T429] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 30.669875][ T429] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.670432][ T429] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.671138][ T429] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.671695][ T429] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.672231][ T429] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.672796][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.673345][ T429] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 30.673896][ T429] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.674576][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.675133][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.675686][ T429] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.676227][ T429] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.676781][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.677322][ T429] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.677868][ T429] ? __create_object (mm/kmemleak.c:771) 
[ 30.678422][ T429] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.678984][ T429] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.679522][ T429] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.680207][ T429] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.680780][ T429] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.681332][ T429] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.681887][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.682441][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.683000][ T429] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.683540][ T429] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.684097][ T429] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.684637][ T429] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.685195][ T429] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.685757][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.686308][ T429] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.686862][ T429] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.687409][ T429] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.687989][ T429] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.688543][ T429] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 30.689100][ T429] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 30.689652][ T429] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.690208][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.690773][ T429] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.691330][ T429] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.691886][ T429] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.692443][ T429] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.693005][ T429] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.693542][ T429] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.694248][ T429] ___sys_sendmsg (net/socket.c:2670) 
[ 30.694798][ T429] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.695336][ T429] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 30.696021][ T429] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.696546][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.697016][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.697570][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.698129][ T429] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.698701][ T429] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.699181][ T429] __sys_sendmsg (net/socket.c:2700) 
[ 30.699623][ T429] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.700307][ T429] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.700886][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.701380][ T429] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.701846][ T429] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.702520][  T429] RIP: 0033:0x7f598f9ed1e7
[ 30.703095][ T429] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   30.705050][  T429] RSP: 002b:00007fff792a3f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.705878][  T429] RAX: ffffffffffffffda RBX: 00007fff792a4660 RCX: 00007f598f9ed1e7
[   30.706705][  T429] RDX: 0000000000000000 RSI: 00007fff792a3fa0 RDI: 0000000000000005
[   30.707377][  T429] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.708178][  T429] R10: 0000000029f78910 R11: 0000000000000246 R12: 0000000000000004
[   30.709002][  T429] R13: 00000000686e7268 R14: 0000000000499600 R15: 0000000000000000
| [   30.945833][  T431] ------------[ cut here ]------------
| [ 30.946302][ T431] WARNING: CPU: 2 PID: 431 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   30.946934][  T431] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   30.948258][  T431] Tainted: [W]=WARN
[   30.948505][  T431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.948913][ T431] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 30.949244][ T431] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   30.950380][  T431] RSP: 0018:ffffc90000c96ef0 EFLAGS: 00010246
[   30.950798][  T431] RAX: 0000000000000000 RBX: ffff888009852000 RCX: 0000000000000001
[   30.951266][  T431] RDX: 0000000000000000 RSI: ffffffff8c69b939 RDI: ffffffff8be555e0
[   30.951747][  T431] RBP: ffffc90000c96fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.952216][  T431] R10: ffffc90000c97010 R11: ffffffff8cb79160 R12: 1ffff92000192de2
[   30.952698][  T431] R13: 00000000000005dc R14: ffffc90000c97010 R15: ffff888009852f08
[   30.953166][  T431] FS:  00007fb6d6085800(0000) GS:ffff8880a7bb7000(0000) knlGS:0000000000000000
[   30.953736][  T431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.954143][  T431] CR2: 00000000004e6890 CR3: 000000000f443002 CR4: 0000000000772ef0
[   30.954625][  T431] PKRU: 55555554
[   30.954878][  T431] Call Trace:
[   30.955123][  T431]  <TASK>
[ 30.955294][ T431] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.955617][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.955969][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.956293][ T431] netif_set_mtu (net/core/dev.c:9652) 
[ 30.956617][ T431] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.956966][ T431] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.957214][ T431] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.957678][ T431] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.958048][ T431] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 30.958383][ T431] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.958720][ T431] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.959122][ T431] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.959442][ T431] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.959774][ T431] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.960097][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.960418][ T431] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 30.960749][ T431] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.961142][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.961462][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.961807][ T431] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.962132][ T431] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.962451][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.962792][ T431] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.963107][ T431] ? __create_object (mm/kmemleak.c:771) 
[ 30.963426][ T431] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.963760][ T431] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.964082][ T431] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.964475][ T431] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.964812][ T431] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.965135][ T431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.965454][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.965794][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.966124][ T431] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.966437][ T431] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.966778][ T431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.967092][ T431] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.967410][ T431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.967740][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.968065][ T431] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.968392][ T431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.968721][ T431] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.969050][ T431] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.969369][ T431] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 30.969727][ T431] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 30.970058][ T431] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.970372][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.970705][ T431] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.971025][ T431] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.971345][ T431] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.971685][ T431] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.972010][ T431] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.972324][ T431] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.972739][ T431] ___sys_sendmsg (net/socket.c:2670) 
[ 30.973054][ T431] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.973372][ T431] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 30.973787][ T431] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.974116][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.974435][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.974771][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.975091][ T431] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.975410][ T431] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.975749][ T431] __sys_sendmsg (net/socket.c:2700) 
[ 30.976066][ T431] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.976457][ T431] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.976794][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.977112][ T431] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.977432][ T431] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.977843][  T431] RIP: 0033:0x7fb6d62521e7
[ 30.978190][ T431] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   30.979302][  T431] RSP: 002b:00007ffe09dd3fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.979785][  T431] RAX: ffffffffffffffda RBX: 00007ffe09dd4710 RCX: 00007fb6d62521e7
[   30.980254][  T431] RDX: 0000000000000000 RSI: 00007ffe09dd4050 RDI: 0000000000000005
[   30.980738][  T431] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.981206][  T431] R10: 000000003344c910 R11: 0000000000000246 R12: 0000000000000004
[   30.981694][  T431] R13: 00000000686e7268 R14: 0000000000499600 R15: 0000000000000000
| [   31.384423][  T434] ------------[ cut here ]------------
| [ 31.384756][ T434] WARNING: CPU: 0 PID: 434 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) 
| [   31.385360][  T434] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   31.386621][  T434] Tainted: [W]=WARN
[   31.386861][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.387240][ T434] 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) 
[ 31.387556][ T434] 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
[   31.388753][  T434] RSP: 0018:ffffc900005c6ef0 EFLAGS: 00010246
[   31.389150][  T434] RAX: 0000000000000000 RBX: ffff888009852000 RCX: 0000000000000001
[   31.389604][  T434] RDX: 0000000000000000 RSI: ffffffff8c69b939 RDI: ffffffff8be555e0
[   31.390272][  T434] RBP: ffffc900005c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.390956][  T434] R10: ffffc900005c7010 R11: ffffffff8d4a8918 R12: 1ffff920000b8de2
[   31.391425][  T434] R13: 00000000000005dc R14: ffffc900005c7010 R15: ffff888009852f08
[   31.392062][  T434] FS:  00007fe573b10800(0000) GS:ffff8880a7ab7000(0000) knlGS:0000000000000000
[   31.392599][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.393080][  T434] CR2: 00000000004e6890 CR3: 0000000005232006 CR4: 0000000000772ef0
[   31.393544][  T434] PKRU: 55555554
[   31.393782][  T434] Call Trace:
[   31.394013][  T434]  <TASK>
[ 31.394172][ T434] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.394481][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.394812][ T434] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 31.395120][ T434] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 31.395499][ T434] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 31.395825][ T434] netif_set_mtu (net/core/dev.c:9652) 
[ 31.396141][ T434] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.396459][ T434] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 31.396902][ T434] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.397139][ T434] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.397559][ T434] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.397928][ T434] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 31.398257][ T434] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.398569][ T434] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.398980][ T434] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.399290][ T434] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.399594][ T434] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.399914][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.400231][ T434] ? __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) 
[ 31.400537][ T434] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.400929][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.401247][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.401552][ T434] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.401884][ T434] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.402192][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.402497][ T434] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.402850][ T434] ? __create_object (mm/kmemleak.c:771) 
[ 31.403165][ T434] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.403474][ T434] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.403791][ T434] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.404174][ T434] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.404489][ T434] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.404814][ T434] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.405124][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.405434][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.405749][ T434] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.406052][ T434] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.406359][ T434] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.406682][ T434] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.406989][ T434] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.407298][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.407610][ T434] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.407927][ T434] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.408243][ T434] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.408561][ T434] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.408878][ T434] ? 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) 
[ 31.409186][ T434] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 31.409494][ T434] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.409810][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.410120][ T434] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.410430][ T434] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.410756][ T434] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.411073][ T434] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.411381][ T434] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.411694][ T434] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.412086][ T434] ___sys_sendmsg (net/socket.c:2670) 
[ 31.412388][ T434] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.412705][ T434] ? __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) 
[ 31.413087][ T434] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.413394][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.413710][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.414019][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.414323][ T434] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.414626][ T434] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.414957][ T434] __sys_sendmsg (net/socket.c:2700) 
[ 31.415263][ T434] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.415640][ T434] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.415966][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.416272][ T434] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.416578][ T434] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.416967][  T434] RIP: 0033:0x7fe573cdd1e7
[ 31.417287][ T434] 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)
[   31.418392][  T434] RSP: 002b:00007ffe06dc3178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.418883][  T434] RAX: ffffffffffffffda RBX: 00007ffe06dc38a0 RCX: 00007fe573cdd1e7
[   31.419340][  T434] RDX: 0000000000000000 RSI: 00007ffe06dc31e0 RDI: 0000000000000005
[   31.419808][  T434] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.420265][  T434] R10: 000000003663e910 R11: 0000000000000246 R12: 0000000000000004
[   31.420740][  T434] R13: 00000000686e7269 R14: 0000000000499600 R15: 0000000000000000
| [   63.842320][  T675] ------------[ cut here ]------------
| [ 63.842652][ T675] WARNING: CPU: 3 PID: 675 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) 
| [   63.843289][  T675] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   63.845294][  T675] Tainted: [W]=WARN
[   63.845553][  T675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 63.845990][ T675] 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) 
[ 63.846350][ T675] 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
[   63.847537][  T675] RSP: 0018:ffffc900014d6f70 EFLAGS: 00010246
[   63.847982][  T675] RAX: 0000000000000000 RBX: ffff88800b6ca000 RCX: 0000000000000001
[   63.848504][  T675] RDX: 0000000000000000 RSI: ffffffff8c69b939 RDI: ffffffff8be555e0
[   63.849031][  T675] RBP: ffffc900014d7058 R08: 0000000000000000 R09: 0000000000000000
[   63.849527][  T675] R10: ffffc900014d7088 R11: ffffffff88a00130 R12: 1ffff9200029adf2
[   63.850084][  T675] R13: 00000000000005dc R14: ffffc900014d7088 R15: ffff88800b6caf08
[   63.850589][  T675] FS:  00007f8c64aef800(0000) GS:ffff8880a7c37000(0000) knlGS:0000000000000000
[   63.851220][  T675] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.851651][  T675] CR2: 00000000004e5ab0 CR3: 0000000011f5e004 CR4: 0000000000772ef0
[   63.852170][  T675] PKRU: 55555554
[   63.852422][  T675] Call Trace:
[   63.852691][  T675]  <TASK>
[ 63.852862][ T675] ? __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) 
[ 63.853282][ T675] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 63.853667][ T675] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 63.854009][ T675] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 63.854371][ T675] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 63.854713][ T675] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 63.855057][ T675] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 63.855396][ T675] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 63.855753][ T675] ? ___sys_sendmsg (net/socket.c:2670) 
[ 63.856097][ T675] ? __sys_sendmsg (net/socket.c:2700) 
[ 63.856436][ T675] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 63.856787][ T675] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 63.857201][ T675] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.857545][ T675] netif_set_mtu (net/core/dev.c:9652) 
[ 63.857922][ T675] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 63.858295][ T675] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 63.858566][ T675] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 63.859065][ T675] br_del_if (net/bridge/br_if.c:743) bridge 
[ 63.859513][ T675] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 63.859862][ T675] do_set_master (net/core/rtnetlink.c:2932) 
[ 63.860216][ T675] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 63.860562][ T675] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 63.861009][ T675] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 63.861348][ T675] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 63.861695][ T675] ? __kernel_text_address (kernel/extable.c:79) 
[ 63.862051][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.862395][ T675] ? __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) 
[ 63.862749][ T675] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 63.863166][ T675] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.863508][ T675] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.863866][ T675] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 63.864203][ T675] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 63.864545][ T675] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.864933][ T675] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 63.865267][ T675] ? __create_object (mm/kmemleak.c:771) 
[ 63.865612][ T675] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 63.865985][ T675] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 63.866323][ T675] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 63.866757][ T675] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 63.867117][ T675] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 63.867465][ T675] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 63.867819][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.868162][ T675] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.868544][ T675] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 63.868906][ T675] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.869245][ T675] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 63.869585][ T675] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 63.869973][ T675] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 63.870327][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.870680][ T675] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 63.871023][ T675] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 63.871371][ T675] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 63.871736][ T675] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 63.872072][ T675] ? 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) 
[ 63.872415][ T675] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 63.872775][ T675] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 63.873111][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.873468][ T675] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 63.873819][ T675] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 63.874140][ T675] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 63.874463][ T675] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 63.874791][ T675] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 63.875108][ T675] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 63.875579][ T675] ___sys_sendmsg (net/socket.c:2670) 
[ 63.875928][ T675] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 63.876241][ T675] ? __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) 
[ 63.876625][ T675] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 63.876942][ T675] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.877266][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.877605][ T675] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.877956][ T675] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 63.878280][ T675] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.878596][ T675] __sys_sendmsg (net/socket.c:2700) 
[ 63.878921][ T675] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 63.879319][ T675] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 63.879646][ T675] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.879978][ T675] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 63.880301][ T675] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   63.880696][  T675] RIP: 0033:0x7f8c64cbc1e7
[ 63.881022][ T675] 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)
[   63.882135][  T675] RSP: 002b:00007ffe33743068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   63.882613][  T675] RAX: ffffffffffffffda RBX: 00007ffe33743790 RCX: 00007f8c64cbc1e7
[   63.883091][  T675] RDX: 0000000000000000 RSI: 00007ffe337430d0 RDI: 0000000000000005
[   63.883564][  T675] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   63.884038][  T675] R10: 00007f8c64bb9ee8 R11: 0000000000000246 R12: 0000000000000003
[   63.884533][  T675] R13: 00000000686e7289 R14: 0000000000499600 R15: 0000000000000000
| [   64.205492][  T678] ------------[ cut here ]------------
| [ 64.205834][ T678] WARNING: CPU: 0 PID: 678 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) 
| [   64.206466][  T678] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   64.209548][  T678] Tainted: [W]=WARN
[   64.209946][  T678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 64.210344][ T678] 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) 
[ 64.210794][ T678] 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
[   64.211973][  T678] RSP: 0018:ffffc90001406f70 EFLAGS: 00010246
[   64.212377][  T678] RAX: 0000000000000000 RBX: ffff88800b6ca000 RCX: 0000000000000001
[   64.212864][  T678] RDX: 0000000000000000 RSI: ffffffff8c69b939 RDI: ffffffff8be555e0
[   64.213338][  T678] RBP: ffffc90001407058 R08: 0000000000000000 R09: 0000000000000000
[   64.213821][  T678] R10: ffffc90001407088 R11: ffffffff8cb79160 R12: 1ffff92000280df2
[   64.214295][  T678] R13: 00000000000005dc R14: ffffc90001407088 R15: ffff88800b6caf08
[   64.214824][  T678] FS:  00007f69e2127800(0000) GS:ffff8880a7ab7000(0000) knlGS:0000000000000000
[   64.215421][  T678] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.215829][  T678] CR2: 00000000004e5aa8 CR3: 0000000004db6006 CR4: 0000000000772ef0
[   64.216304][  T678] PKRU: 55555554
[   64.216541][  T678] Call Trace:
[   64.216788][  T678]  <TASK>
[ 64.216949][ T678] ? __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) 
[ 64.217353][ T678] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 64.217726][ T678] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 64.218046][ T678] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 64.218417][ T678] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 64.218750][ T678] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 64.219055][ T678] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 64.219355][ T678] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 64.219679][ T678] ? ___sys_sendmsg (net/socket.c:2670) 
[ 64.219982][ T678] ? __sys_sendmsg (net/socket.c:2700) 
[ 64.220282][ T678] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 64.220585][ T678] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 64.220973][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.221289][ T678] netif_set_mtu (net/core/dev.c:9652) 
[ 64.221594][ T678] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 64.221929][ T678] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 64.222194][ T678] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 64.222621][ T678] br_del_if (net/bridge/br_if.c:743) bridge 
[ 64.222988][ T678] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 64.223295][ T678] do_set_master (net/core/rtnetlink.c:2932) 
[ 64.223602][ T678] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 64.223922][ T678] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 64.224307][ T678] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 64.224652][ T678] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 64.224969][ T678] ? __kernel_text_address (kernel/extable.c:79) 
[ 64.225276][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.225585][ T678] ? __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) 
[ 64.225902][ T678] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 64.226280][ T678] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.226585][ T678] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.226910][ T678] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 64.227220][ T678] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 64.227523][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.227835][ T678] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 64.228137][ T678] ? __create_object (mm/kmemleak.c:771) 
[ 64.228470][ T678] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 64.228792][ T678] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 64.229136][ T678] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 64.229524][ T678] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 64.229849][ T678] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 64.230164][ T678] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 64.230466][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.230798][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.231112][ T678] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 64.231416][ T678] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.231732][ T678] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 64.232070][ T678] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 64.232381][ T678] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 64.232697][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.233008][ T678] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 64.233312][ T678] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 64.233616][ T678] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 64.233942][ T678] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 64.234253][ T678] ? 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) 
[ 64.234577][ T678] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 64.234926][ T678] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 64.235240][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.235549][ T678] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 64.235867][ T678] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 64.236199][ T678] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 64.236518][ T678] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 64.236836][ T678] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 64.237139][ T678] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 64.237529][ T678] ___sys_sendmsg (net/socket.c:2670) 
[ 64.237838][ T678] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 64.238141][ T678] ? __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) 
[ 64.238536][ T678] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 64.238867][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.239176][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.239488][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.239817][ T678] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 64.240119][ T678] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.240431][ T678] __sys_sendmsg (net/socket.c:2700) 
[ 64.240741][ T678] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 64.241125][ T678] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 64.241440][ T678] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.241756][ T678] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 64.242129][ T678] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   64.242507][  T678] RIP: 0033:0x7f69e22f41e7
[ 64.242845][ T678] 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)
[   64.243940][  T678] RSP: 002b:00007ffdaec5df08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   64.244401][  T678] RAX: ffffffffffffffda RBX: 00007ffdaec5e630 RCX: 00007f69e22f41e7
[   64.244900][  T678] RDX: 0000000000000000 RSI: 00007ffdaec5df70 RDI: 0000000000000005
[   64.245356][  T678] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   64.245827][  T678] R10: 00007f69e21f1ee8 R11: 0000000000000246 R12: 0000000000000003
[   64.246286][  T678] R13: 00000000686e7289 R14: 0000000000499600 R15: 0000000000000000
| [   64.476971][  T680] ------------[ cut here ]------------
| [ 64.477352][ T680] WARNING: CPU: 3 PID: 680 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) 
| [   64.478294][  T680] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   64.479751][  T680] Tainted: [W]=WARN
[   64.480015][  T680] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 64.480447][ T680] 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) 
[ 64.480814][ T680] 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
[   64.482069][  T680] RSP: 0018:ffffc90001536f70 EFLAGS: 00010246
[   64.482507][  T680] RAX: 0000000000000000 RBX: ffff88800b6ca000 RCX: 0000000000000001
[   64.483032][  T680] RDX: 0000000000000000 RSI: ffffffff8c69b939 RDI: ffffffff8be555e0
[   64.483549][  T680] RBP: ffffc90001537058 R08: 0000000000000000 R09: 0000000000000000
[   64.484109][  T680] R10: ffffc90001537088 R11: ffffffff8cb79160 R12: 1ffff920002a6df2
[   64.484628][  T680] R13: 00000000000005dc R14: ffffc90001537088 R15: ffff88800b6caf08
[   64.485153][  T680] FS:  00007f1b3ef6d800(0000) GS:ffff8880a7c37000(0000) knlGS:0000000000000000
[   64.485775][  T680] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.486226][  T680] CR2: 00000000004e5de8 CR3: 0000000004db6004 CR4: 0000000000772ef0
[   64.486751][  T680] PKRU: 55555554
[   64.487010][  T680] Call Trace:
[   64.487267][  T680]  <TASK>
[ 64.487442][ T680] ? __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) 
[ 64.487883][ T680] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 64.488287][ T680] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 64.488637][ T680] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 64.489004][ T680] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 64.489350][ T680] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 64.489715][ T680] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 64.490066][ T680] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 64.490524][ T680] ? ___sys_sendmsg (net/socket.c:2670) 
[ 64.490874][ T680] ? __sys_sendmsg (net/socket.c:2700) 
[ 64.491222][ T680] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 64.491565][ T680] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 64.492011][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.492368][ T680] netif_set_mtu (net/core/dev.c:9652) 
[ 64.492724][ T680] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 64.493088][ T680] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 64.493350][ T680] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 64.493848][ T680] br_del_if (net/bridge/br_if.c:743) bridge 
[ 64.494236][ T680] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 64.494589][ T680] do_set_master (net/core/rtnetlink.c:2932) 
[ 64.494948][ T680] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 64.495299][ T680] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 64.495743][ T680] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 64.496088][ T680] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 64.496432][ T680] ? __kernel_text_address (kernel/extable.c:79) 
[ 64.496795][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.497150][ T680] ? __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) 
[ 64.497495][ T680] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 64.497943][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.498316][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.498676][ T680] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 64.499024][ T680] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 64.499368][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.499728][ T680] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 64.500073][ T680] ? __create_object (mm/kmemleak.c:771) 
[ 64.500430][ T680] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 64.500805][ T680] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 64.501153][ T680] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 64.501581][ T680] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 64.501951][ T680] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 64.502311][ T680] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 64.502675][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.503026][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.503370][ T680] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 64.503722][ T680] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.504069][ T680] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 64.504412][ T680] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 64.504768][ T680] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 64.505122][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.505476][ T680] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 64.505841][ T680] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 64.506189][ T680] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 64.506546][ T680] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 64.506900][ T680] ? 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) 
[ 64.507245][ T680] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 64.507591][ T680] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 64.507951][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.508320][ T680] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 64.508684][ T680] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 64.509032][ T680] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 64.509384][ T680] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 64.509753][ T680] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 64.510099][ T680] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 64.510544][ T680] ___sys_sendmsg (net/socket.c:2670) 
[ 64.510896][ T680] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 64.511240][ T680] ? __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) 
[ 64.511689][ T680] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 64.512044][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.512391][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.512753][ T680] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.513114][ T680] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 64.513456][ T680] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.513827][ T680] __sys_sendmsg (net/socket.c:2700) 
[ 64.514175][ T680] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 64.514605][ T680] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 64.514970][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.515318][ T680] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 64.515681][ T680] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   64.516110][  T680] RIP: 0033:0x7f1b3f13a1e7
[ 64.516465][ T680] 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)
[   64.517706][  T680] RSP: 002b:00007ffeec797938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   64.518253][  T680] RAX: ffffffffffffffda RBX: 00007ffeec798060 RCX: 00007f1b3f13a1e7
[   64.518779][  T680] RDX: 0000000000000000 RSI: 00007ffeec7979a0 RDI: 0000000000000005
[   64.519294][  T680] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   64.519817][  T680] R10: 00007f1b3f037ee8 R11: 0000000000000246 R12: 0000000000000003
[   64.520343][  T680] R13: 00000000686e728a R14: 0000000000499600 R15: 0000000000000000
| [   65.030747][  T684] ------------[ cut here ]------------
| [ 65.031056][ T684] WARNING: CPU: 1 PID: 684 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) 
| [   65.031671][  T684] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   65.032940][  T684] Tainted: [W]=WARN
[   65.033215][  T684] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 65.033593][ T684] 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) 
[ 65.035485][ T684] 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
[   65.036742][  T684] RSP: 0018:ffffc90001556f70 EFLAGS: 00010246
[   65.037170][  T684] RAX: 0000000000000000 RBX: ffff88800b6ca000 RCX: 0000000000000001
[   65.037651][  T684] RDX: 0000000000000000 RSI: ffffffff8c69b939 RDI: ffffffff8be555e0
[   65.038145][  T684] RBP: ffffc90001557058 R08: 0000000000000000 R09: 0000000000000000
[   65.038637][  T684] R10: ffffc90001557088 R11: ffffffff8cb79160 R12: 1ffff920002aadf2
[   65.039132][  T684] R13: 00000000000005dc R14: ffffc90001557088 R15: ffff88800b6caf08
[   65.039617][  T684] FS:  00007f7bc06de800(0000) GS:ffff8880a7b37000(0000) knlGS:0000000000000000
[   65.040189][  T684] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.040591][  T684] CR2: 00000000004e5ce0 CR3: 000000000f28c002 CR4: 0000000000772ef0
[   65.041100][  T684] PKRU: 55555554
[   65.041371][  T684] Call Trace:
[   65.041614][  T684]  <TASK>
[ 65.041788][ T684] ? __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) 
[ 65.042198][ T684] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 65.042567][ T684] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 65.042901][ T684] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 65.043226][ T684] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 65.043607][ T684] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 65.043939][ T684] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 65.044263][ T684] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 65.044594][ T684] ? ___sys_sendmsg (net/socket.c:2670) 
[ 65.044942][ T684] ? __sys_sendmsg (net/socket.c:2700) 
[ 65.045299][ T684] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 65.045626][ T684] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 65.046036][ T684] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.046380][ T684] netif_set_mtu (net/core/dev.c:9652) 
[ 65.046715][ T684] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 65.047055][ T684] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 65.047302][ T684] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 65.047775][ T684] br_del_if (net/bridge/br_if.c:743) bridge 
[ 65.048135][ T684] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 65.048475][ T684] do_set_master (net/core/rtnetlink.c:2932) 
[ 65.048833][ T684] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 65.049198][ T684] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 65.049610][ T684] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 65.049945][ T684] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 65.050270][ T684] ? __kernel_text_address (kernel/extable.c:79) 
[ 65.050598][ T684] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.050935][ T684] ? __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) 
[ 65.051270][ T684] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 65.051702][ T684] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.052036][ T684] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.052362][ T684] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 65.052711][ T684] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 65.053067][ T684] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.053393][ T684] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 65.053721][ T684] ? __create_object (mm/kmemleak.c:771) 
[ 65.054053][ T684] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 65.054377][ T684] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 65.054704][ T684] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 65.055104][ T684] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 65.055430][ T684] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 65.055766][ T684] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 65.056091][ T684] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.056420][ T684] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.056776][ T684] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 65.057129][ T684] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.057455][ T684] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 65.057788][ T684] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 65.058113][ T684] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 65.058447][ T684] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.058785][ T684] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 65.059118][ T684] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 65.059445][ T684] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 65.059789][ T684] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 65.060107][ T684] ? 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) 
[ 65.060427][ T684] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 65.060780][ T684] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 65.061133][ T684] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.061469][ T684] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 65.061816][ T684] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 65.062144][ T684] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 65.062481][ T684] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 65.062825][ T684] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 65.063149][ T684] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 65.063567][ T684] ___sys_sendmsg (net/socket.c:2670) 
[ 65.063903][ T684] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 65.064228][ T684] ? __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) 
[ 65.064634][ T684] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 65.064990][ T684] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.065351][ T684] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.065702][ T684] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.066029][ T684] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 65.066361][ T684] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.066702][ T684] __sys_sendmsg (net/socket.c:2700) 
[ 65.067032][ T684] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 65.067438][ T684] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 65.067783][ T684] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.068113][ T684] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 65.068572][ T684] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   65.068998][  T684] RIP: 0033:0x7f7bc08ab1e7
[ 65.069366][ T684] 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)
[   65.070531][  T684] RSP: 002b:00007ffef68bcb88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   65.071038][  T684] RAX: ffffffffffffffda RBX: 00007ffef68bd2b0 RCX: 00007f7bc08ab1e7
[   65.071529][  T684] RDX: 0000000000000000 RSI: 00007ffef68bcbf0 RDI: 0000000000000005
[   65.072024][  T684] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   65.072508][  T684] R10: 00007f7bc07a8ee8 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