======================================
| [   25.090519][  T352] br1: port 1(vx10) entered forwarding state
| [   25.091902][  T352] ------------[ cut here ]------------
| [ 25.092257][ T352] WARNING: CPU: 2 PID: 352 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   25.093779][  T352] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   25.095134][  T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.095566][ T352] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 25.095913][ T352] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   25.097095][  T352] RSP: 0018:ffffc90000606ef0 EFLAGS: 00010246
[   25.097632][  T352] RAX: 0000000000000000 RBX: ffff8880090aa000 RCX: 0000000000000001
[   25.098114][  T352] RDX: 0000000000000000 RSI: ffffffffa0a9b939 RDI: ffffffffa02555e0
[   25.098598][  T352] RBP: ffffc90000606fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.099104][  T352] R10: ffffc90000607010 R11: ffffffffa18a8918 R12: 1ffff920000c0de2
[   25.099601][  T352] R13: 00000000000005dc R14: ffffc90000607010 R15: ffff8880090aaf08
[   25.100074][  T352] FS:  00007ff05b3a6800(0000) GS:ffff8880937b7000(0000) knlGS:0000000000000000
[   25.100880][  T352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.101297][  T352] CR2: 00000000004e5ce0 CR3: 0000000014f5b001 CR4: 0000000000772ef0
[   25.101829][  T352] PKRU: 55555554
[   25.102081][  T352] Call Trace:
[   25.102335][  T352]  <TASK>
[ 25.102519][ T352] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.102859][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.103197][ T352] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.103526][ T352] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.103933][ T352] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.104294][ T352] netif_set_mtu (net/core/dev.c:9652) 
[ 25.104631][ T352] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.104963][ T352] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.105422][ T352] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.105684][ T352] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.106147][ T352] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.106531][ T352] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 25.106862][ T352] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.107189][ T352] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.107603][ T352] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.107929][ T352] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.108243][ T352] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.108585][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.108915][ T352] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 25.109240][ T352] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.109648][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.109971][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.110294][ T352] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.110622][ T352] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.110947][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.111268][ T352] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.111602][ T352] ? __create_object (mm/kmemleak.c:771) 
[ 25.111931][ T352] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.112264][ T352] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.112604][ T352] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.113000][ T352] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.113329][ T352] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.113691][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.114021][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.114354][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.114685][ T352] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.115003][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.115350][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.115679][ T352] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.116003][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.116334][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.116671][ T352] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.117000][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.117319][ T352] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.117661][ T352] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.117982][ T352] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.118338][ T352] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.118670][ T352] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.118996][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.119322][ T352] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.119660][ T352] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.119982][ T352] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.120319][ T352] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.120654][ T352] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.120970][ T352] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.121405][ T352] ___sys_sendmsg (net/socket.c:2670) 
[ 25.121734][ T352] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.122066][ T352] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 25.122462][ T352] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.122795][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.123115][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.123442][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.123769][ T352] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.124099][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.124429][ T352] __sys_sendmsg (net/socket.c:2700) 
[ 25.124764][ T352] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.125158][ T352] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.125652][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.125998][ T352] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.126345][ T352] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.126768][  T352] RIP: 0033:0x7ff05b5731e7
[ 25.127121][ T352] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.128311][  T352] RSP: 002b:00007ffeff2204d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.129075][  T352] RAX: ffffffffffffffda RBX: 00007ffeff220c00 RCX: 00007ff05b5731e7
[   25.129665][  T352] RDX: 0000000000000000 RSI: 00007ffeff220540 RDI: 0000000000000005
[   25.130148][  T352] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.130645][  T352] R10: 0000000024768910 R11: 0000000000000246 R12: 0000000000000004
[   25.131125][  T352] R13: 00000000686e6418 R14: 0000000000499600 R15: 0000000000000000
| [   25.607058][  T357] ------------[ cut here ]------------
| [ 25.607389][ T357] WARNING: CPU: 2 PID: 357 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) 
| [   25.608829][  T357] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   25.610193][  T357] Tainted: [W]=WARN
[   25.610457][  T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.610883][ T357] 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) 
[ 25.611218][ T357] 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
[   25.612371][  T357] RSP: 0018:ffffc90000546ef0 EFLAGS: 00010246
[   25.612820][  T357] RAX: 0000000000000000 RBX: ffff8880090aa000 RCX: 0000000000000001
[   25.613328][  T357] RDX: 0000000000000000 RSI: ffffffffa0a9b939 RDI: ffffffffa02555e0
[   25.613873][  T357] RBP: ffffc90000546fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.614361][  T357] R10: ffffc90000547010 R11: ffffffffa18a8918 R12: 1ffff920000a8de2
[   25.614896][  T357] R13: 00000000000005dc R14: ffffc90000547010 R15: ffff8880090aaf08
[   25.615422][  T357] FS:  00007f5ae082e800(0000) GS:ffff8880937b7000(0000) knlGS:0000000000000000
[   25.615984][  T357] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.616383][  T357] CR2: 00000000004e5de8 CR3: 0000000014f58004 CR4: 0000000000772ef0
[   25.616869][  T357] PKRU: 55555554
[   25.617119][  T357] Call Trace:
[   25.617361][  T357]  <TASK>
[ 25.617542][ T357] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.617873][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.618202][ T357] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.618530][ T357] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.618925][ T357] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.619245][ T357] netif_set_mtu (net/core/dev.c:9652) 
[ 25.619576][ T357] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.619909][ T357] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.620386][ T357] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.620658][ T357] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.621096][ T357] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.621494][ T357] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 25.621845][ T357] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.622171][ T357] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.622584][ T357] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.622909][ T357] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.623231][ T357] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.623590][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.623914][ T357] ? __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) 
[ 25.624236][ T357] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.624639][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.624960][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.625295][ T357] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.625626][ T357] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.625950][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.626271][ T357] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.626599][ T357] ? __create_object (mm/kmemleak.c:771) 
[ 25.626927][ T357] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.627250][ T357] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.627580][ T357] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.627985][ T357] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.628310][ T357] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.628648][ T357] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.628970][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.629298][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.629627][ T357] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.629946][ T357] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.630273][ T357] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.630600][ T357] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.630944][ T357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.631289][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.631645][ T357] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.631972][ T357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.632293][ T357] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.632636][ T357] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.632957][ T357] ? 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) 
[ 25.633511][ T357] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.633858][ T357] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.634175][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.634508][ T357] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.634859][ T357] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.635179][ T357] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.635573][ T357] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.635900][ T357] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.636217][ T357] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.636860][ T357] ___sys_sendmsg (net/socket.c:2670) 
[ 25.637202][ T357] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.637774][ T357] ? __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) 
[ 25.638207][ T357] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.638556][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.638886][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.639214][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.639543][ T357] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.640094][ T357] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.640425][ T357] __sys_sendmsg (net/socket.c:2700) 
[ 25.640749][ T357] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.641374][ T357] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.641716][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.642040][ T357] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.642365][ T357] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.642766][  T357] RIP: 0033:0x7f5ae09fb1e7
[ 25.643349][ T357] 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)
[   25.644701][  T357] RSP: 002b:00007ffe58cc16e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.645182][  T357] RAX: ffffffffffffffda RBX: 00007ffe58cc1e10 RCX: 00007f5ae09fb1e7
[   25.645674][  T357] RDX: 0000000000000000 RSI: 00007ffe58cc1750 RDI: 0000000000000005
[   25.646408][  T357] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.646891][  T357] R10: 0000000016d2d910 R11: 0000000000000246 R12: 0000000000000004
[   25.647356][  T357] R13: 00000000686e6419 R14: 0000000000499600 R15: 0000000000000000
| [   25.926610][  T359] ------------[ cut here ]------------
| [ 25.926957][ T359] WARNING: CPU: 2 PID: 359 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) 
| [   25.927649][  T359] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   25.929006][  T359] Tainted: [W]=WARN
[   25.929252][  T359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.929660][ T359] 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) 
[ 25.929988][ T359] 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
[   25.931102][  T359] RSP: 0018:ffffc90000b46ef0 EFLAGS: 00010246
[   25.931531][  T359] RAX: 0000000000000000 RBX: ffff8880090aa000 RCX: 0000000000000001
[   25.932031][  T359] RDX: 0000000000000000 RSI: ffffffffa0a9b939 RDI: ffffffffa02555e0
[   25.932537][  T359] RBP: ffffc90000b46fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.933009][  T359] R10: ffffc90000b47010 R11: ffffffffa18a8918 R12: 1ffff92000168de2
[   25.933538][  T359] R13: 00000000000005dc R14: ffffc90000b47010 R15: ffff8880090aaf08
[   25.934013][  T359] FS:  00007f137817d800(0000) GS:ffff8880937b7000(0000) knlGS:0000000000000000
[   25.934590][  T359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.934989][  T359] CR2: 00000000004e5aa8 CR3: 0000000014f7f005 CR4: 0000000000772ef0
[   25.935500][  T359] PKRU: 55555554
[   25.935777][  T359] Call Trace:
[   25.936025][  T359]  <TASK>
[ 25.936197][ T359] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.936547][ T359] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.936880][ T359] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.937198][ T359] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.937617][ T359] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.937944][ T359] netif_set_mtu (net/core/dev.c:9652) 
[ 25.938262][ T359] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.938623][ T359] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.939075][ T359] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.939324][ T359] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.939799][ T359] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.940170][ T359] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 25.940534][ T359] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.940884][ T359] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.941303][ T359] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.941662][ T359] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.941990][ T359] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.942318][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.942671][ T359] ? __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) 
[ 25.942994][ T359] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.943414][ T359] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.943774][ T359] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.944110][ T359] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.944429][ T359] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.944777][ T359] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.945111][ T359] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.945443][ T359] ? __create_object (mm/kmemleak.c:771) 
[ 25.945820][ T359] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.946151][ T359] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.946476][ T359] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.946912][ T359] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.947248][ T359] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.947603][ T359] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.947925][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.948253][ T359] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.948628][ T359] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.948949][ T359] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.949278][ T359] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.949653][ T359] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.949984][ T359] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.950310][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.950693][ T359] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.951014][ T359] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.951337][ T359] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.951691][ T359] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.952015][ T359] ? 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) 
[ 25.952335][ T359] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.952702][ T359] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.953039][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.953366][ T359] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.953736][ T359] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.954064][ T359] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.954397][ T359] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.954753][ T359] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.955074][ T359] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.955520][ T359] ___sys_sendmsg (net/socket.c:2670) 
[ 25.955850][ T359] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.956173][ T359] ? __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) 
[ 25.956594][ T359] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.956927][ T359] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.957252][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.957647][ T359] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.957980][ T359] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.958301][ T359] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.958656][ T359] __sys_sendmsg (net/socket.c:2700) 
[ 25.958978][ T359] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.959380][ T359] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.959739][ T359] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.960065][ T359] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.960390][ T359] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.960814][  T359] RIP: 0033:0x7f137834a1e7
[ 25.961148][ T359] 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)
[   25.962321][  T359] RSP: 002b:00007ffe7dc876e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.962830][  T359] RAX: ffffffffffffffda RBX: 00007ffe7dc87e10 RCX: 00007f137834a1e7
[   25.963323][  T359] RDX: 0000000000000000 RSI: 00007ffe7dc87750 RDI: 0000000000000005
[   25.963855][  T359] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.964336][  T359] R10: 000000003c2c6910 R11: 0000000000000246 R12: 0000000000000004
[   25.964832][  T359] R13: 00000000686e6419 R14: 0000000000499600 R15: 0000000000000000
| [   26.637813][  T364] ------------[ cut here ]------------
| [ 26.638170][ T364] WARNING: CPU: 0 PID: 364 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) 
| [   26.638832][  T364] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   26.640511][  T364] Tainted: [W]=WARN
[   26.640760][  T364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.641164][ T364] 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) 
[ 26.641511][ T364] 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
[   26.642760][  T364] RSP: 0018:ffffc90000676ef0 EFLAGS: 00010246
[   26.643193][  T364] RAX: 0000000000000000 RBX: ffff8880090aa000 RCX: 0000000000000001
[   26.643684][  T364] RDX: 0000000000000000 RSI: ffffffffa0a9b939 RDI: ffffffffa02555e0
[   26.644172][  T364] RBP: ffffc90000676fe0 R08: 0000000000000000 R09: 0000000000000000
[   26.644669][  T364] R10: ffffc90000677010 R11: ffffffffa18a8918 R12: 1ffff920000cede2
[   26.645154][  T364] R13: 00000000000005dc R14: ffffc90000677010 R15: ffff8880090aaf08
[   26.645659][  T364] FS:  00007fac4f911800(0000) GS:ffff8880936b7000(0000) knlGS:0000000000000000
[   26.646263][  T364] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.646679][  T364] CR2: 00000000004e5ab0 CR3: 0000000009282006 CR4: 0000000000772ef0
[   26.647168][  T364] PKRU: 55555554
[   26.647410][  T364] Call Trace:
[   26.647659][  T364]  <TASK>
[ 26.647828][ T364] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.648159][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.648508][ T364] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 26.648882][ T364] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 26.649302][ T364] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 26.649638][ T364] netif_set_mtu (net/core/dev.c:9652) 
[ 26.649978][ T364] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.650303][ T364] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 26.650743][ T364] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.650983][ T364] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 26.651405][ T364] br_add_if (net/bridge/br_if.c:697) bridge 
[ 26.651769][ T364] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 26.652083][ T364] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 26.652403][ T364] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.652805][ T364] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.653116][ T364] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.653428][ T364] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.653748][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.654093][ T364] ? __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) 
[ 26.654404][ T364] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.654790][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.655102][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.655419][ T364] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.655740][ T364] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.656051][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.656414][ T364] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.656729][ T364] ? __create_object (mm/kmemleak.c:771) 
[ 26.657050][ T364] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.657360][ T364] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.657678][ T364] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.658128][ T364] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.658463][ T364] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.658805][ T364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.659128][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.659459][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.659794][ T364] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.660116][ T364] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.660446][ T364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.660788][ T364] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.661112][ T364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.661438][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.661788][ T364] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.662131][ T364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.662455][ T364] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.662801][ T364] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.663132][ T364] ? 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) 
[ 26.663457][ T364] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 26.663793][ T364] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.664117][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.664445][ T364] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.664779][ T364] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.665104][ T364] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.665450][ T364] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.665820][ T364] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.666153][ T364] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.666579][ T364] ___sys_sendmsg (net/socket.c:2670) 
[ 26.666903][ T364] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.667226][ T364] ? __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) 
[ 26.667638][ T364] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.667974][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.668302][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.668645][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.668970][ T364] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.669292][ T364] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.669629][ T364] __sys_sendmsg (net/socket.c:2700) 
[ 26.669981][ T364] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.670384][ T364] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.670738][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.671163][ T364] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.671478][ T364] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.671874][  T364] RIP: 0033:0x7fac4fade1e7
[ 26.672232][ T364] 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)
[   26.673402][  T364] RSP: 002b:00007fff18d37ac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.673937][  T364] RAX: ffffffffffffffda RBX: 00007fff18d381f0 RCX: 00007fac4fade1e7
[   26.674426][  T364] RDX: 0000000000000000 RSI: 00007fff18d37b30 RDI: 0000000000000005
[   26.674915][  T364] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.675441][  T364] R10: 000000000f5e9910 R11: 0000000000000246 R12: 0000000000000004
[   26.675936][  T364] R13: 00000000686e641a R14: 0000000000499600 R15: 0000000000000000
| [   31.810477][  T414] ------------[ cut here ]------------
| [ 31.811075][ T414] WARNING: CPU: 3 PID: 414 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) 
| [   31.812266][  T414] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   31.814557][  T414] Tainted: [W]=WARN
[   31.814960][  T414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.815687][ T414] 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) 
[ 31.816233][ T414] 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
[   31.818154][  T414] RSP: 0018:ffffc90000a56ef0 EFLAGS: 00010246
[   31.818866][  T414] RAX: 0000000000000000 RBX: ffff888004db2000 RCX: 0000000000000001
[   31.819689][  T414] RDX: 0000000000000000 RSI: ffffffffa0a9b939 RDI: ffffffffa02555e0
[   31.820513][  T414] RBP: ffffc90000a56fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.821313][  T414] R10: ffffc90000a57010 R11: ffffffffa0f79160 R12: 1ffff9200014ade2
[   31.822149][  T414] R13: 00000000000005dc R14: ffffc90000a57010 R15: ffff888004db2f08
[   31.823002][  T414] FS:  00007fa7e0173800(0000) GS:ffff888093837000(0000) knlGS:0000000000000000
[   31.823974][  T414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.824673][  T414] CR2: 00000000004e6898 CR3: 0000000014efe004 CR4: 0000000000772ef0
[   31.825546][  T414] PKRU: 55555554
[   31.825966][  T414] Call Trace:
[   31.826383][  T414]  <TASK>
[ 31.826684][ T414] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.827228][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.827792][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.828332][ T414] netif_set_mtu (net/core/dev.c:9652) 
[ 31.828886][ T414] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.829451][ T414] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.829892][ T414] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.830676][ T414] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.831308][ T414] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 31.831879][ T414] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.832424][ T414] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.833103][ T414] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.833685][ T414] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.834230][ T414] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.834822][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.835366][ T414] ? __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) 
[ 31.835929][ T414] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.836615][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.837174][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.837726][ T414] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.838269][ T414] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.838852][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.839401][ T414] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.839961][ T414] ? __create_object (mm/kmemleak.c:771) 
[ 31.840529][ T414] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.841060][ T414] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.841639][ T414] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.842314][ T414] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.842902][ T414] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.843464][ T414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.844025][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.844606][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.845153][ T414] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.845738][ T414] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.846293][ T414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.846854][ T414] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.847406][ T414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.847959][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.848524][ T414] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.849065][ T414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.849643][ T414] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.850213][ T414] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.850768][ T414] ? 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) 
[ 31.851324][ T414] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 31.851899][ T414] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.852441][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.853007][ T414] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.853591][ T414] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.854122][ T414] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.854477][ T414] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.854818][ T414] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.855141][ T414] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.855553][ T414] ___sys_sendmsg (net/socket.c:2670) 
[ 31.855872][ T414] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.856178][ T414] ? __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) 
[ 31.856568][ T414] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.856887][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.857198][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.857535][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.857855][ T414] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.858376][ T414] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.858940][ T414] __sys_sendmsg (net/socket.c:2700) 
[ 31.859498][ T414] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.860176][ T414] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.860764][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.861322][ T414] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.861901][ T414] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.862596][  T414] RIP: 0033:0x7fa7e03401e7
[ 31.863162][ T414] 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)
[   31.865124][  T414] RSP: 002b:00007fff3a2d3998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.865761][  T414] RAX: ffffffffffffffda RBX: 00007fff3a2d40c0 RCX: 00007fa7e03401e7
[   31.866234][  T414] RDX: 0000000000000000 RSI: 00007fff3a2d3a00 RDI: 0000000000000005
[   31.866703][  T414] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.867175][  T414] R10: 0000000002008910 R11: 0000000000000246 R12: 0000000000000004
[   31.867638][  T414] R13: 00000000686e641f R14: 0000000000499600 R15: 0000000000000000
| [   32.807703][  T422] ------------[ cut here ]------------
| [ 32.808041][ T422] WARNING: CPU: 2 PID: 422 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   32.808841][  T422] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   32.810141][  T422] Tainted: [W]=WARN
[   32.810386][  T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.810795][ T422] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 32.811128][ T422] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   32.812246][  T422] RSP: 0018:ffffc90000b56ef0 EFLAGS: 00010246
[   32.813721][  T422] RAX: 0000000000000000 RBX: ffff888004db2000 RCX: 0000000000000001
[   32.814203][  T422] RDX: 0000000000000000 RSI: ffffffffa0a9b939 RDI: ffffffffa02555e0
[   32.814680][  T422] RBP: ffffc90000b56fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.815152][  T422] R10: ffffc90000b57010 R11: ffffffffa0f79160 R12: 1ffff9200016ade2
[   32.815642][  T422] R13: 00000000000005dc R14: ffffc90000b57010 R15: ffff888004db2f08
[   32.816109][  T422] FS:  00007f1d25490800(0000) GS:ffff8880937b7000(0000) knlGS:0000000000000000
[   32.816663][  T422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.817064][  T422] CR2: 00000000004e5ce0 CR3: 0000000017427005 CR4: 0000000000772ef0
[   32.817543][  T422] PKRU: 55555554
[   32.817787][  T422] Call Trace:
[   32.818032][  T422]  <TASK>
[ 32.818204][ T422] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.818532][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.818862][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.819178][ T422] netif_set_mtu (net/core/dev.c:9652) 
[ 32.819515][ T422] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.819851][ T422] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.820098][ T422] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.820547][ T422] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.820913][ T422] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 32.821237][ T422] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.821572][ T422] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.821974][ T422] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.822291][ T422] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.822616][ T422] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.822940][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.823263][ T422] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 32.823587][ T422] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.823977][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.824303][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.824634][ T422] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.824953][ T422] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.825277][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.825605][ T422] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.825924][ T422] ? __create_object (mm/kmemleak.c:771) 
[ 32.826246][ T422] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.826573][ T422] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.826896][ T422] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.827287][ T422] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.827623][ T422] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.827944][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.828260][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.828594][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.828910][ T422] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.829233][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.829563][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.829882][ T422] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.830201][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.830536][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.830863][ T422] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.831188][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.831514][ T422] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.831850][ T422] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.832173][ T422] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 32.832505][ T422] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 32.832825][ T422] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.833144][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.833465][ T422] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.833797][ T422] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.834124][ T422] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.834454][ T422] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.834789][ T422] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.835109][ T422] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.835531][ T422] ___sys_sendmsg (net/socket.c:2670) 
[ 32.835852][ T422] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.836175][ T422] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 32.836590][ T422] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.836915][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.837242][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.837572][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.837896][ T422] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.838217][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.838563][ T422] __sys_sendmsg (net/socket.c:2700) 
[ 32.838886][ T422] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.839278][ T422] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.839619][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.839940][ T422] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.840264][ T422] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.840669][  T422] RIP: 0033:0x7f1d2565d1e7
[ 32.840999][ T422] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   32.842110][  T422] RSP: 002b:00007ffcbbe18e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.842594][  T422] RAX: ffffffffffffffda RBX: 00007ffcbbe19580 RCX: 00007f1d2565d1e7
[   32.843072][  T422] RDX: 0000000000000000 RSI: 00007ffcbbe18ec0 RDI: 0000000000000005
[   32.843561][  T422] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.844036][  T422] R10: 000000000dab5910 R11: 0000000000000246 R12: 0000000000000004
[   32.844517][  T422] R13: 00000000686e6420 R14: 0000000000499600 R15: 0000000000000000
| [   33.688520][  T429] ------------[ cut here ]------------
| [ 33.688831][ T429] WARNING: CPU: 1 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) 
| [   33.689444][  T429] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   33.690740][  T429] Tainted: [W]=WARN
[   33.690973][  T429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.691352][ 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) 
[ 33.691897][ 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
[   33.692990][  T429] RSP: 0018:ffffc90000c6eef0 EFLAGS: 00010246
[   33.693378][  T429] RAX: 0000000000000000 RBX: ffff888004db2000 RCX: 0000000000000001
[   33.693852][  T429] RDX: 0000000000000000 RSI: ffffffffa0a9b939 RDI: ffffffffa02555e0
[   33.694309][  T429] RBP: ffffc90000c6efe0 R08: 0000000000000000 R09: 0000000000000000
[   33.694779][  T429] R10: ffffc90000c6f010 R11: ffffffffa18a8918 R12: 1ffff9200018dde2
[   33.695249][  T429] R13: 00000000000005dc R14: ffffc90000c6f010 R15: ffff888004db2f08
[   33.695730][  T429] FS:  00007f77749bc800(0000) GS:ffff888093737000(0000) knlGS:0000000000000000
[   33.696265][  T429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.696660][  T429] CR2: 00000000004e5de8 CR3: 0000000015d8d005 CR4: 0000000000772ef0
[   33.697140][  T429] PKRU: 55555554
[   33.697378][  T429] Call Trace:
[   33.697621][  T429]  <TASK>
[ 33.697783][ T429] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.698092][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.698409][ T429] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 33.698740][ T429] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 33.699127][ T429] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 33.699441][ T429] netif_set_mtu (net/core/dev.c:9652) 
[ 33.699756][ T429] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.700072][ T429] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 33.700550][ T429] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.700786][ T429] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.701233][ T429] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.701618][ T429] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 33.701937][ T429] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.702248][ T429] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.702660][ T429] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.702976][ T429] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.703290][ T429] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.703613][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.703923][ 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) 
[ 33.704232][ T429] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.704625][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.704938][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.705247][ T429] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.705578][ T429] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.705891][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.706201][ T429] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.706538][ T429] ? __create_object (mm/kmemleak.c:771) 
[ 33.706859][ T429] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.707201][ T429] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.707521][ T429] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.707906][ T429] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.708222][ T429] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.708546][ T429] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.708853][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.709171][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.709489][ T429] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.709798][ T429] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.710104][ T429] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.710407][ T429] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.710734][ T429] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.711047][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.711365][ T429] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.711679][ T429] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.711989][ T429] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.712306][ T429] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.712621][ 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) 
[ 33.712930][ T429] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 33.713239][ T429] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.713558][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.713876][ T429] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.714187][ T429] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.714512][ T429] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.714833][ T429] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.715145][ T429] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.715463][ T429] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.715870][ T429] ___sys_sendmsg (net/socket.c:2670) 
[ 33.716176][ T429] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.716491][ 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) 
[ 33.716876][ T429] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.717187][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.717513][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.717823][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.718131][ 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) 
[ 33.718440][ T429] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.718775][ T429] __sys_sendmsg (net/socket.c:2700) 
[ 33.719089][ T429] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.719473][ T429] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.719805][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.720116][ T429] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.720428][ T429] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.720820][  T429] RIP: 0033:0x7f7774b891e7
[ 33.721142][ 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)
[   33.722243][  T429] RSP: 002b:00007ffcdd7da748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.722732][  T429] RAX: ffffffffffffffda RBX: 00007ffcdd7dae70 RCX: 00007f7774b891e7
[   33.723196][  T429] RDX: 0000000000000000 RSI: 00007ffcdd7da7b0 RDI: 0000000000000005
[   33.723666][  T429] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.724126][  T429] R10: 0000000036367910 R11: 0000000000000246 R12: 0000000000000004
[   33.724593][  T429] R13: 00000000686e6421 R14: 0000000000499600 R15: 0000000000000000
| [   38.212096][  T471] ------------[ cut here ]------------
| [ 38.212416][ T471] WARNING: CPU: 0 PID: 471 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) 
| [   38.213073][  T471] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   38.214382][  T471] Tainted: [W]=WARN
[   38.214625][  T471] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.215015][ T471] 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) 
[ 38.215347][ T471] 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
[   38.216453][  T471] RSP: 0018:ffffc90000ddeef0 EFLAGS: 00010246
[   38.216883][  T471] RAX: 0000000000000000 RBX: ffff88800b90a000 RCX: 0000000000000001
[   38.217346][  T471] RDX: 0000000000000000 RSI: ffffffffa0a9b939 RDI: ffffffffa02555e0
[   38.217816][  T471] RBP: ffffc90000ddefe0 R08: 0000000000000000 R09: 0000000000000000
[   38.218274][  T471] R10: ffffc90000ddf010 R11: ffffffffa0f79160 R12: 1ffff920001bbde2
[   38.218747][  T471] R13: 00000000000005dc R14: ffffc90000ddf010 R15: ffff88800b90af08
[   38.219211][  T471] FS:  00007f71aca8f800(0000) GS:ffff8880936b7000(0000) knlGS:0000000000000000
[   38.219759][  T471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.220145][  T471] CR2: 00000000004e6898 CR3: 0000000014c1b001 CR4: 0000000000772ef0
[   38.220627][  T471] PKRU: 55555554
[   38.220865][  T471] Call Trace:
[   38.221096][  T471]  <TASK>
[ 38.221257][ T471] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.221581][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.221901][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.222213][ T471] netif_set_mtu (net/core/dev.c:9652) 
[ 38.222534][ T471] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.222855][ T471] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.223088][ T471] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.223535][ T471] br_add_if (net/bridge/br_if.c:697) bridge 
[ 38.223889][ T471] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 38.224199][ T471] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.224541][ T471] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.224932][ T471] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.225243][ T471] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.225585][ T471] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.225901][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.226213][ T471] ? __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) 
[ 38.226534][ T471] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.226915][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.227229][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.227550][ T471] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.227860][ T471] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.228169][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.228512][ T471] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.228817][ T471] ? __create_object (mm/kmemleak.c:771) 
[ 38.229126][ T471] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.229430][ T471] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.229748][ T471] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.230127][ T471] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.230440][ T471] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.230781][ T471] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.231090][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.231407][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.231723][ T471] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.232028][ T471] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.232338][ T471] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.232670][ T471] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.232983][ T471] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.233292][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.233613][ T471] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.233925][ T471] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.234234][ T471] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.234565][ T471] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.234869][ T471] ? 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) 
[ 38.235186][ T471] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 38.235524][ T471] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.235830][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.236143][ T471] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.236451][ T471] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.236793][ T471] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.237111][ T471] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.237426][ T471] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.237741][ T471] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.238140][ T471] ___sys_sendmsg (net/socket.c:2670) 
[ 38.238448][ T471] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.238766][ T471] ? __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) 
[ 38.239151][ T471] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.239473][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.239802][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.240115][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.240424][ T471] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.240754][ T471] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.241124][ T471] __sys_sendmsg (net/socket.c:2700) 
[ 38.241434][ T471] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.241831][ T471] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.242166][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.242504][ T471] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.242829][ T471] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.243213][  T471] RIP: 0033:0x7f71acc5c1e7
[ 38.243557][ T471] 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)
[   38.244685][  T471] RSP: 002b:00007ffce0e75b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.245149][  T471] RAX: ffffffffffffffda RBX: 00007ffce0e762c0 RCX: 00007f71acc5c1e7
[   38.245641][  T471] RDX: 0000000000000000 RSI: 00007ffce0e75c00 RDI: 0000000000000005
[   38.246096][  T471] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   38.246574][  T471] R10: 00000000287ed910 R11: 0000000000000246 R12: 0000000000000004
[   38.247032][  T471] R13: 00000000686e6425 R14: 0000000000499600 R15: 0000000000000000
| [   39.245426][  T479] ------------[ cut here ]------------
| [ 39.246126][ T479] WARNING: CPU: 3 PID: 479 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) 
| [   39.246749][  T479] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   39.248002][  T479] Tainted: [W]=WARN
[   39.248236][  T479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.248658][ T479] 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) 
[ 39.248980][ T479] 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
[   39.250081][  T479] RSP: 0018:ffffc90000e2eef0 EFLAGS: 00010246
[   39.250473][  T479] RAX: 0000000000000000 RBX: ffff88800b90a000 RCX: 0000000000000001
[   39.250936][  T479] RDX: 0000000000000000 RSI: ffffffffa0a9b939 RDI: ffffffffa02555e0
[   39.251395][  T479] RBP: ffffc90000e2efe0 R08: 0000000000000000 R09: 0000000000000000
[   39.251863][  T479] R10: ffffc90000e2f010 R11: ffffffffa0f79160 R12: 1ffff920001c5de2
[   39.252318][  T479] R13: 00000000000005dc R14: ffffc90000e2f010 R15: ffff88800b90af08
[   39.252783][  T479] FS:  00007f96fab02800(0000) GS:ffff888093837000(0000) knlGS:0000000000000000
[   39.253320][  T479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.253726][  T479] CR2: 00000000004e5ce0 CR3: 0000000016dd3003 CR4: 0000000000772ef0
[   39.254188][  T479] PKRU: 55555554
[   39.254422][  T479] Call Trace:
[   39.254663][  T479]  <TASK>
[ 39.254822][ T479] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.255133][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.255474][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.255814][ T479] netif_set_mtu (net/core/dev.c:9652) 
[ 39.256124][ T479] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 39.256445][ T479] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 39.256689][ T479] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 39.257120][ T479] br_add_if (net/bridge/br_if.c:697) bridge 
[ 39.257471][ T479] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 39.257811][ T479] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 39.258119][ T479] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.258517][ T479] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.258825][ T479] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.259135][ T479] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.259453][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.259777][ T479] ? __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) 
[ 39.260087][ T479] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.260492][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.260806][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.261109][ T479] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.261414][ T479] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.261748][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.262058][ T479] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.262364][ T479] ? __create_object (mm/kmemleak.c:771) 
[ 39.262704][ T479] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.263014][ T479] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.263319][ T479] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.263706][ T479] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.264019][ T479] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.264330][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.264644][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.264952][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.265260][ T479] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.265599][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.265912][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.266217][ T479] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.266537][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.266846][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.267153][ T479] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.267458][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.267774][ T479] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.268090][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.268391][ T479] ? 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) 
[ 39.268713][ T479] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 39.269022][ T479] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.269323][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.269695][ T479] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.270007][ T479] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.270312][ T479] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.270637][ T479] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.270954][ T479] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.271260][ T479] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.271662][ T479] ___sys_sendmsg (net/socket.c:2670) 
[ 39.271964][ T479] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.272266][ T479] ? __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) 
[ 39.272654][ T479] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.272963][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.273278][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.273606][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.273911][ T479] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.274215][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.274536][ T479] __sys_sendmsg (net/socket.c:2700) 
[ 39.274855][ T479] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.275234][ T479] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.275571][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.275893][ T479] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.276225][ T479] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.276639][  T479] RIP: 0033:0x7f96faccf1e7
[ 39.277018][ T479] 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)
[   39.278144][  T479] RSP: 002b:00007ffd815ba848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.278621][  T479] RAX: ffffffffffffffda RBX: 00007ffd815baf70 RCX: 00007f96faccf1e7
[   39.279079][  T479] RDX: 0000000000000000 RSI: 00007ffd815ba8b0 RDI: 0000000000000005
[   39.279546][  T479] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   39.280002][  T479] R10: 0000000000bda910 R11: 0000000000000246 R12: 0000000000000004
[   39.280458][  T479] R13: 00000000686e6426 R14: 0000000000499600 R15: 0000000000000000
| [   40.129653][  T486] ------------[ cut here ]------------
| [ 40.129960][ T486] WARNING: CPU: 0 PID: 486 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) 
| [   40.132017][  T486] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   40.133295][  T486] Tainted: [W]=WARN
[   40.133542][  T486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.133930][ T486] 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) 
[ 40.134248][ T486] 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
[   40.135412][  T486] RSP: 0018:ffffc90000e8eef0 EFLAGS: 00010246
[   40.135841][  T486] RAX: 0000000000000000 RBX: ffff88800b90a000 RCX: 0000000000000001
[   40.136303][  T486] RDX: 0000000000000000 RSI: ffffffffa0a9b939 RDI: ffffffffa02555e0
[   40.136775][  T486] RBP: ffffc90000e8efe0 R08: 0000000000000000 R09: 0000000000000000
[   40.137242][  T486] R10: ffffc90000e8f010 R11: ffffffffa0f79160 R12: 1ffff920001d1de2
[   40.137707][  T486] R13: 00000000000005dc R14: ffffc90000e8f010 R15: ffff88800b90af08
[   40.138164][  T486] FS:  00007f9266aa8800(0000) GS:ffff8880936b7000(0000) knlGS:0000000000000000
[   40.138730][  T486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.139121][  T486] CR2: 00000000004e5de8 CR3: 0000000015dba001 CR4: 0000000000772ef0
[   40.139590][  T486] PKRU: 55555554
[   40.139847][  T486] Call Trace:
[   40.140081][  T486]  <TASK>
[ 40.140259][ T486] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.140584][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.140912][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.141226][ T486] netif_set_mtu (net/core/dev.c:9652) 
[ 40.141546][ T486] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 40.141867][ T486] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 40.142101][ T486] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 40.142540][ T486] br_add_if (net/bridge/br_if.c:697) bridge 
[ 40.142891][ T486] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 40.143207][ T486] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 40.143531][ T486] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.143955][ T486] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.144266][ T486] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.144581][ T486] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.144895][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.145213][ T486] ? __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) 
[ 40.145550][ T486] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.145930][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.146238][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.146552][ T486] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.146861][ T486] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.147170][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.147477][ T486] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.147800][ T486] ? __create_object (mm/kmemleak.c:771) 
[ 40.148141][ T486] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.148450][ T486] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.148766][ T486] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.149148][ T486] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.149458][ T486] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.149778][ T486] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.150084][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.150407][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.150728][ T486] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.151034][ T486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.151343][ T486] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.151665][ T486] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.152056][ T486] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.152386][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.152712][ T486] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.153027][ T486] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.153334][ T486] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.153664][ T486] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.153970][ T486] ? 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) 
[ 40.154280][ T486] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.154597][ T486] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.154902][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.155215][ T486] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.155553][ T486] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.155861][ T486] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.156204][ T486] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.156525][ T486] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.156830][ T486] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.157220][ T486] ___sys_sendmsg (net/socket.c:2670) 
[ 40.157539][ T486] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.157847][ T486] ? __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) 
[ 40.158227][ T486] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.158542][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.158867][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.159178][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.159494][ T486] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.159805][ T486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.160163][ T486] __sys_sendmsg (net/socket.c:2700) 
[ 40.160467][ T486] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.160862][ T486] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.161185][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.161511][ T486] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.161821][ T486] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.162210][  T486] RIP: 0033:0x7f9266c751e7
[ 40.162537][ T486] 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)
[   40.163659][  T486] RSP: 002b:00007ffd8fc7ed08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.164151][  T486] RAX: ffffffffffffffda RBX: 00007ffd8fc7f430 RCX: 00007f9266c751e7
[   40.164626][  T486] RDX: 0000000000000000 RSI: 00007ffd8fc7ed70 RDI: 0000000000000005
[   40.165096][  T486] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   40.169123][  T486] R10: 00000000344cc910 R11: 0000000000000246 R12: 0000000000000004
[   40.170499][  T486] R13: 00000000686e6427 R14: 0000000000499600 R15: 0000000000000000
| [  154.620079][  T782] ------------[ cut here ]------------
| [ 154.620395][ T782] WARNING: CPU: 1 PID: 782 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) 
| [  154.621025][  T782] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  154.622364][  T782] Tainted: [W]=WARN
[  154.622606][  T782] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 154.622989][ T782] 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) 
[ 154.623305][ T782] 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
[  154.624394][  T782] RSP: 0018:ffffc90000f76f70 EFLAGS: 00010246
[  154.624787][  T782] RAX: 0000000000000000 RBX: ffff8880090aa000 RCX: 0000000000000001
[  154.625242][  T782] RDX: 0000000000000000 RSI: ffffffffa0a9b939 RDI: ffffffffa02555e0
[  154.625712][  T782] RBP: ffffc90000f77058 R08: 0000000000000000 R09: 0000000000000000
[  154.626166][  T782] R10: ffffc90000f77088 R11: ffffffff9ce00130 R12: 1ffff920001eedf2
[  154.626777][  T782] R13: 00000000000005dc R14: ffffc90000f77088 R15: ffff8880090aaf08
[  154.627234][  T782] FS:  00007faea70ef800(0000) GS:ffff888093737000(0000) knlGS:0000000000000000
[  154.627909][  T782] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  154.628294][  T782] CR2: 00000000004e5ab0 CR3: 0000000014c96006 CR4: 0000000000772ef0
[  154.629003][  T782] PKRU: 55555554
[  154.629234][  T782] Call Trace:
[  154.629461][  T782]  <TASK>
[ 154.629808][ T782] ? __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) 
[ 154.630192][ T782] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 154.630665][ T782] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 154.630976][ T782] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 154.631284][ T782] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 154.631604][ T782] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 154.631912][ T782] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 154.632219][ T782] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 154.632534][ T782] ? ___sys_sendmsg (net/socket.c:2670) 
[ 154.632837][ T782] ? __sys_sendmsg (net/socket.c:2700) 
[ 154.633141][ T782] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 154.633445][ T782] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 154.633839][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 154.634153][ T782] netif_set_mtu (net/core/dev.c:9652) 
[ 154.634459][ T782] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 154.634805][ T782] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 154.635037][ T782] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 154.635468][ T782] br_del_if (net/bridge/br_if.c:743) bridge 
[ 154.635832][ T782] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 154.636147][ T782] do_set_master (net/core/rtnetlink.c:2932) 
[ 154.636457][ T782] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 154.636779][ T782] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 154.637173][ T782] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 154.637477][ T782] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 154.637795][ T782] ? __kernel_text_address (kernel/extable.c:79) 
[ 154.638105][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.638426][ T782] ? __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) 
[ 154.638743][ T782] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 154.639118][ T782] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 154.639424][ T782] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 154.639735][ T782] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 154.640037][ T782] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 154.640340][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 154.640651][ T782] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 154.640957][ T782] ? __create_object (mm/kmemleak.c:771) 
[ 154.641263][ T782] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 154.641574][ T782] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 154.641878][ T782] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 154.642265][ T782] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 154.642586][ T782] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 154.642895][ T782] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 154.643201][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.643520][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 154.643944][ T782] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 154.644250][ T782] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 154.644564][ T782] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 154.644872][ T782] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 154.645176][ T782] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 154.645504][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.645824][ T782] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 154.646126][ T782] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 154.646431][ T782] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 154.646758][ T782] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 154.647060][ T782] ? 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) 
[ 154.647366][ T782] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 154.647681][ T782] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 154.647987][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.648294][ T782] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 154.648613][ T782] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 154.648918][ T782] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 154.649228][ T782] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 154.649543][ T782] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 154.649844][ T782] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 154.650236][ T782] ___sys_sendmsg (net/socket.c:2670) 
[ 154.650545][ T782] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 154.650849][ T782] ? __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) 
[ 154.651226][ T782] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 154.651541][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 154.651849][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 154.652159][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 154.652466][ T782] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 154.652781][ T782] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 154.653092][ T782] __sys_sendmsg (net/socket.c:2700) 
[ 154.653395][ T782] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 154.653979][ T782] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 154.654295][ T782] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 154.654614][ T782] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 154.654919][ T782] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  154.655298][  T782] RIP: 0033:0x7faea72bc1e7
[ 154.655635][ T782] 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)
[  154.656724][  T782] RSP: 002b:00007ffd1737bdb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  154.657192][  T782] RAX: ffffffffffffffda RBX: 00007ffd1737c4e0 RCX: 00007faea72bc1e7
[  154.657657][  T782] RDX: 0000000000000000 RSI: 00007ffd1737be20 RDI: 0000000000000005
[  154.658113][  T782] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  154.658589][  T782] R10: 00007faea71b9ee8 R11: 0000000000000246 R12: 0000000000000003
[  154.659050][  T782] R13: 00000000686e649a R14: 0000000000499600 R15: 0000000000000000
| [  155.282972][  T787] ------------[ cut here ]------------
| [ 155.283286][ T787] WARNING: CPU: 0 PID: 787 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) 
| [  155.284290][  T787] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  155.285655][  T787] Tainted: [W]=WARN
[  155.285887][  T787] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 155.286306][ T787] 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) 
[ 155.286634][ T787] 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
[  155.287726][  T787] RSP: 0018:ffffc90000fcef70 EFLAGS: 00010246
[  155.288110][  T787] RAX: 0000000000000000 RBX: ffff8880090aa000 RCX: 0000000000000001
[  155.288610][  T787] RDX: 0000000000000000 RSI: ffffffffa0a9b939 RDI: ffffffffa02555e0
[  155.289067][  T787] RBP: ffffc90000fcf058 R08: 0000000000000000 R09: 0000000000000000
[  155.289539][  T787] R10: ffffc90000fcf088 R11: ffffffffa0f79160 R12: 1ffff920001f9df2
[  155.289992][  T787] R13: 00000000000005dc R14: ffffc90000fcf088 R15: ffff8880090aaf08
[  155.290448][  T787] FS:  00007f05e98bd800(0000) GS:ffff8880936b7000(0000) knlGS:0000000000000000
[  155.290983][  T787] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  155.291372][  T787] CR2: 00000000004e5aa8 CR3: 0000000005190003 CR4: 0000000000772ef0
[  155.291930][  T787] PKRU: 55555554
[  155.292159][  T787] Call Trace:
[  155.292385][  T787]  <TASK>
[ 155.292547][ T787] ? __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) 
[ 155.292928][ T787] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 155.293282][ T787] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 155.293595][ T787] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 155.293901][ T787] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 155.294203][ T787] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 155.294513][ T787] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 155.294817][ T787] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 155.295120][ T787] ? ___sys_sendmsg (net/socket.c:2670) 
[ 155.295430][ T787] ? __sys_sendmsg (net/socket.c:2700) 
[ 155.295742][ T787] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 155.296052][ T787] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 155.296429][ T787] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 155.296750][ T787] netif_set_mtu (net/core/dev.c:9652) 
[ 155.297055][ T787] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 155.297375][ T787] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 155.297618][ T787] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 155.298041][ T787] br_del_if (net/bridge/br_if.c:743) bridge 
[ 155.298378][ T787] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 155.298695][ T787] do_set_master (net/core/rtnetlink.c:2932) 
[ 155.299001][ T787] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 155.299307][ T787] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 155.299701][ T787] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 155.300003][ T787] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 155.300306][ T787] ? __kernel_text_address (kernel/extable.c:79) 
[ 155.300621][ T787] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.300936][ T787] ? __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) 
[ 155.301238][ T787] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 155.301627][ T787] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 155.301935][ T787] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 155.302236][ T787] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 155.302545][ T787] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 155.302848][ T787] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 155.303155][ T787] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 155.303456][ T787] ? __create_object (mm/kmemleak.c:771) 
[ 155.303768][ T787] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 155.304072][ T787] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 155.304371][ T787] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 155.304754][ T787] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 155.305064][ T787] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 155.305371][ T787] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 155.305700][ T787] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.306038][ T787] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 155.306345][ T787] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 155.306656][ T787] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 155.306961][ T787] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 155.307265][ T787] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 155.307578][ T787] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 155.307891][ T787] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.308199][ T787] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 155.308509][ T787] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 155.308812][ T787] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 155.309124][ T787] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 155.309424][ T787] ? 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) 
[ 155.309736][ T787] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 155.310049][ T787] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 155.310352][ T787] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.310667][ T787] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 155.310975][ T787] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 155.311277][ T787] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 155.311595][ T787] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 155.311904][ T787] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 155.312204][ T787] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 155.312621][ T787] ___sys_sendmsg (net/socket.c:2670) 
[ 155.312921][ T787] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 155.313221][ T787] ? __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) 
[ 155.313607][ T787] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 155.313915][ T787] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 155.314219][ T787] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.314537][ T787] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 155.314857][ T787] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 155.315182][ T787] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 155.315529][ T787] __sys_sendmsg (net/socket.c:2700) 
[ 155.315845][ T787] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 155.316220][ T787] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 155.316546][ T787] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 155.316858][ T787] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 155.317175][ T787] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  155.317564][  T787] RIP: 0033:0x7f05e9a8a1e7
[ 155.317881][ T787] 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)
[  155.318969][  T787] RSP: 002b:00007ffc3e2a97d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  155.319435][  T787] RAX: ffffffffffffffda RBX: 00007ffc3e2a9f00 RCX: 00007f05e9a8a1e7
[  155.319896][  T787] RDX: 0000000000000000 RSI: 00007ffc3e2a9840 RDI: 0000000000000005
[  155.320351][  T787] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  155.320809][  T787] R10: 00007f05e9987ee8 R11: 0000000000000246 R12: 0000000000000003
[  155.321399][  T787] R13: 00000000686e649b R14: 0000000000499600 R15: 0000000000000000
| [  155.586582][  T789] ------------[ cut here ]------------
| [ 155.587058][ T789] WARNING: CPU: 2 PID: 789 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) 
| [  155.587694][  T789] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  155.589060][  T789] Tainted: [W]=WARN
[  155.589312][  T789] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 155.589724][ T789] 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) 
[ 155.590053][ T789] 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
[  155.591161][  T789] RSP: 0018:ffffc90000fdef70 EFLAGS: 00010246
[  155.591656][  T789] RAX: 0000000000000000 RBX: ffff8880090aa000 RCX: 0000000000000001
[  155.592124][  T789] RDX: 0000000000000000 RSI: ffffffffa0a9b939 RDI: ffffffffa02555e0
[  155.592600][  T789] RBP: ffffc90000fdf058 R08: 0000000000000000 R09: 0000000000000000
[  155.593067][  T789] R10: ffffc90000fdf088 R11: ffffffffa0f79160 R12: 1ffff920001fbdf2
[  155.593550][  T789] R13: 00000000000005dc R14: ffffc90000fdf088 R15: ffff8880090aaf08
[  155.594017][  T789] FS:  00007f8c08acb800(0000) GS:ffff8880937b7000(0000) knlGS:0000000000000000
[  155.594569][  T789] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  155.594962][  T789] CR2: 00000000004e5de8 CR3: 000000001762d001 CR4: 0000000000772ef0
[  155.595444][  T789] PKRU: 55555554
[  155.595719][  T789] Call Trace:
[  155.595962][  T789]  <TASK>
[ 155.596128][ T789] ? __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) 
[ 155.596536][ T789] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 155.596903][ T789] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 155.597221][ T789] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 155.597548][ T789] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 155.597865][ T789] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 155.598188][ T789] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 155.598516][ T789] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 155.598833][ T789] ? ___sys_sendmsg (net/socket.c:2670) 
[ 155.599153][ T789] ? __sys_sendmsg (net/socket.c:2700) 
[ 155.599466][ T789] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 155.599806][ T789] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 155.600200][ T789] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 155.600534][ T789] netif_set_mtu (net/core/dev.c:9652) 
[ 155.600856][ T789] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 155.601191][ T789] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 155.601433][ T789] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 155.601882][ T789] br_del_if (net/bridge/br_if.c:743) bridge 
[ 155.602234][ T789] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 155.602562][ T789] do_set_master (net/core/rtnetlink.c:2932) 
[ 155.602881][ T789] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 155.603208][ T789] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 155.603626][ T789] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 155.603946][ T789] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 155.604259][ T789] ? __kernel_text_address (kernel/extable.c:79) 
[ 155.604618][ T789] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.604948][ T789] ? __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) 
[ 155.605268][ T789] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 155.605689][ T789] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 155.606010][ T789] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 155.606322][ T789] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 155.606650][ T789] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 155.606967][ T789] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 155.607283][ T789] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 155.607616][ T789] ? __create_object (mm/kmemleak.c:771) 
[ 155.607945][ T789] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 155.608269][ T789] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 155.608597][ T789] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 155.608986][ T789] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 155.609311][ T789] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 155.609648][ T789] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 155.609966][ T789] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.610288][ T789] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 155.610622][ T789] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 155.610962][ T789] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 155.611283][ T789] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 155.611621][ T789] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 155.611948][ T789] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 155.612267][ T789] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.612600][ T789] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 155.612917][ T789] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 155.613241][ T789] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 155.613579][ T789] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 155.613891][ T789] ? 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) 
[ 155.614306][ T789] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 155.614672][ T789] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 155.614990][ T789] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.615312][ T789] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 155.615677][ T789] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 155.615996][ T789] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 155.616321][ T789] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 155.616651][ T789] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 155.616969][ T789] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 155.617382][ T789] ___sys_sendmsg (net/socket.c:2670) 
[ 155.617729][ T789] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 155.618069][ T789] ? __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) 
[ 155.618476][ T789] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 155.618805][ T789] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 155.619125][ T789] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 155.619447][ T789] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 155.619786][ T789] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 155.620105][ T789] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 155.620435][ T789] __sys_sendmsg (net/socket.c:2700) 
[ 155.620760][ T789] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 155.621148][ T789] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 155.621474][ T789] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 155.621803][ T789] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 155.622116][ T789] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  155.622514][  T789] RIP: 0033:0x7f8c08c981e7
[ 155.622848][ T789] 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)
[  155.623968][  T789] RSP: 002b:00007ffd63ae1728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  155.624450][  T789] RAX: ffffffffffffffda RBX: 00007ffd63ae1e50 RCX: 00007f8c08c981e7
[  155.624934][  T789] RDX: 0000000000000000 RSI: 00007ffd63ae1790 RDI: 0000000000000005
[  155.625400][  T789] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  155.625887][  T789] R10: 00007f8c08b95ee8 R11: 0000000000000246 R12: 0000000000000003
[  155.626354][  T789] R13: 00000000686e649b R14: 0000000000499600 R15: 0000000000000000
| [  156.122015][  T793] ------------[ cut here ]------------
| [ 156.122371][ T793] WARNING: CPU: 0 PID: 793 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) 
| [  156.124013][  T793] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  156.125422][  T793] Tainted: [W]=WARN
[  156.125692][  T793] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 156.126097][ T793] 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) 
[ 156.126425][ T793] 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
[  156.127571][  T793] RSP: 0018:ffffc9000101ef70 EFLAGS: 00010246
[  156.127974][  T793] RAX: 0000000000000000 RBX: ffff8880090aa000 RCX: 0000000000000001
[  156.128451][  T793] RDX: 0000000000000000 RSI: ffffffffa0a9b939 RDI: ffffffffa02555e0
[  156.128938][  T793] RBP: ffffc9000101f058 R08: 0000000000000000 R09: 0000000000000000
[  156.129419][  T793] R10: ffffc9000101f088 R11: ffffffffa0f79160 R12: 1ffff92000203df2
[  156.129946][  T793] R13: 00000000000005dc R14: ffffc9000101f088 R15: ffff8880090aaf08
[  156.130435][  T793] FS:  00007fb5a35a6800(0000) GS:ffff8880936b7000(0000) knlGS:0000000000000000
[  156.130999][  T793] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  156.131406][  T793] CR2: 00000000004e5ce0 CR3: 0000000017480002 CR4: 0000000000772ef0
[  156.131894][  T793] PKRU: 55555554
[  156.132134][  T793] Call Trace:
[  156.132375][  T793]  <TASK>
[ 156.132560][ T793] ? __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) 
[ 156.132961][ T793] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 156.133330][ T793] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 156.133670][ T793] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 156.133989][ T793] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 156.134309][ T793] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 156.134636][ T793] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 156.134958][ T793] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 156.135282][ T793] ? ___sys_sendmsg (net/socket.c:2670) 
[ 156.135625][ T793] ? __sys_sendmsg (net/socket.c:2700) 
[ 156.135945][ T793] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 156.136261][ T793] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 156.136664][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 156.136996][ T793] netif_set_mtu (net/core/dev.c:9652) 
[ 156.137315][ T793] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 156.137671][ T793] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 156.137920][ T793] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 156.138365][ T793] br_del_if (net/bridge/br_if.c:743) bridge 
[ 156.138737][ T793] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 156.139060][ T793] do_set_master (net/core/rtnetlink.c:2932) 
[ 156.139383][ T793] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 156.139714][ T793] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 156.140130][ T793] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 156.140452][ T793] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 156.140781][ T793] ? __kernel_text_address (kernel/extable.c:79) 
[ 156.141109][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.141430][ T793] ? __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) 
[ 156.141768][ T793] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 156.142168][ T793] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 156.142502][ T793] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 156.142823][ T793] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 156.143145][ T793] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 156.143464][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 156.143790][ T793] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 156.144109][ T793] ? __create_object (mm/kmemleak.c:771) 
[ 156.144431][ T793] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 156.144758][ T793] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 156.145079][ T793] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 156.145513][ T793] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 156.145843][ T793] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 156.146168][ T793] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.146498][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.146825][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 156.147145][ T793] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 156.147460][ T793] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 156.147793][ T793] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 156.148111][ T793] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 156.148431][ T793] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.148764][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.149088][ T793] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 156.149403][ T793] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 156.149740][ T793] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 156.150076][ T793] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 156.150397][ T793] ? 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) 
[ 156.150726][ T793] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 156.151050][ T793] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 156.151368][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.151699][ T793] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 156.152022][ T793] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 156.152340][ T793] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 156.152677][ T793] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 156.152997][ T793] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 156.153312][ T793] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 156.153737][ T793] ___sys_sendmsg (net/socket.c:2670) 
[ 156.154063][ T793] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 156.154385][ T793] ? __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) 
[ 156.154791][ T793] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 156.155122][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 156.155453][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 156.155786][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 156.156106][ T793] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 156.156424][ T793] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 156.156755][ T793] __sys_sendmsg (net/socket.c:2700) 
[ 156.157076][ T793] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 156.157525][ T793] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 156.157870][ T793] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 156.158192][ T793] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 156.158519][ T793] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  156.158912][  T793] RIP: 0033:0x7fb5a37731e7
[ 156.159242][ T793] 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)
[  156.160384][  T793] RSP: 002b:00007ffde8d1cfb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  156.160873][  T793] RAX: ffffffffffffffda RBX: 00007ffde8d1d6e0 RCX: 00007fb5a37731e7
[  156.161354][  T793] RDX: 0000000000000000 RSI: 00007ffde8d1d020 RDI: 0000000000000005
[  156.161853][  T793] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  156.162329][  T793] R10: 00007fb5a3670ee8 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