======================================
| [   90.680682][  T864] vtep-host: entered promiscuous mode
| [   90.684470][  T864] ------------[ cut here ]------------
| [ 90.684868][ T864] WARNING: CPU: 3 PID: 864 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) 
| [   90.685613][  T864] Modules linked in: 8021q br_netfilter bridge stp llc nf_conntrack_ftp nft_masq tcp_diag inet_diag nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
[   90.688695][  T864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 90.689153][ T864] 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) 
[ 90.689584][ T864] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   90.690854][  T864] RSP: 0018:ffffc900005b6ef0 EFLAGS: 00010246
[   90.691708][  T864] RAX: 0000000000000000 RBX: ffff8880096fa000 RCX: 0000000000000001
[   90.692259][  T864] RDX: 0000000000000000 RSI: ffffffffa1e9f52e RDI: ffffffffa165a5a0
[   90.692809][  T864] RBP: ffffc900005b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   90.693345][  T864] R10: ffffc900005b7010 R11: ffffffffa23798a0 R12: 1ffff920000b6de2
[   90.693889][  T864] R13: 00000000000005dc R14: ffffc900005b7010 R15: ffff8880096faf08
[   90.694435][  T864] FS:  00007f96ea2cd800(0000) GS:ffff888092427000(0000) knlGS:0000000000000000
[   90.695062][  T864] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.695547][  T864] CR2: 00000000004e6888 CR3: 000000000a3c4001 CR4: 0000000000772ef0
[   90.696085][  T864] PKRU: 55555554
[   90.696360][  T864] Call Trace:
[   90.696637][  T864]  <TASK>
[ 90.696825][ T864] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 90.697199][ T864] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.697577][ T864] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.697938][ T864] netif_set_mtu (net/core/dev.c:9652) 
[ 90.698296][ T864] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 90.698678][ T864] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 90.698949][ T864] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 90.699459][ T864] br_add_if (net/bridge/br_if.c:697) bridge 
[ 90.699864][ T864] do_set_master (net/core/rtnetlink.c:2948) 
[ 90.700237][ T864] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 90.700611][ T864] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 90.701063][ T864] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 90.701417][ T864] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 90.701790][ T864] ? __kernel_text_address (kernel/extable.c:79) 
[ 90.702153][ T864] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.702522][ T864] ? __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) 
[ 90.702882][ T864] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 90.703319][ T864] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 90.703697][ T864] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 90.704055][ T864] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 90.704406][ T864] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 90.704772][ T864] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.705181][ T864] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 90.705518][ T864] ? __create_object (mm/kmemleak.c:771) 
[ 90.705833][ T864] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 90.706152][ T864] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 90.706475][ T864] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 90.706868][ T864] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 90.707187][ T864] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 90.707524][ T864] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 90.707838][ T864] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.708171][ T864] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.708502][ T864] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 90.708814][ T864] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 90.709127][ T864] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 90.709449][ T864] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 90.709764][ T864] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 90.710080][ T864] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.710406][ T864] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 90.710730][ T864] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 90.711043][ T864] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 90.711366][ T864] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 90.711694][ T864] ? 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) 
[ 90.712014][ T864] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 90.712328][ T864] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 90.712665][ T864] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 90.712981][ T864] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 90.713292][ T864] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 90.713615][ T864] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 90.713937][ T864] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 90.714259][ T864] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 90.714582][ T864] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 90.714994][ T864] ___sys_sendmsg (net/socket.c:2670) 
[ 90.715316][ T864] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 90.715653][ T864] ? __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) 
[ 90.716045][ T864] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 90.716359][ T864] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.716683][ T864] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.717002][ T864] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.717310][ T864] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 90.717639][ T864] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 90.717958][ T864] __sys_sendmsg (net/socket.c:2700) 
[ 90.718267][ T864] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 90.718657][ T864] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 90.718979][ T864] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 90.719292][ T864] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 90.719630][ T864] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   90.720031][  T864] RIP: 0033:0x7f96ea49a1e7
[ 90.720363][ T864] 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)
[   90.721485][  T864] RSP: 002b:00007ffcf37e5b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   90.722043][  T864] RAX: ffffffffffffffda RBX: 00007ffcf37e62b0 RCX: 00007f96ea49a1e7
[   90.722529][  T864] RDX: 0000000000000000 RSI: 00007ffcf37e5be0 RDI: 0000000000000005
[   90.723000][  T864] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   90.723502][  T864] R10: 00000000129a3910 R11: 0000000000000246 R12: 0000000000000004
[   90.723972][  T864] R13: 00000000686e45ee R14: 0000000000499600 R15: 0000000000000000
| [   91.807620][  T871] ------------[ cut here ]------------
| [ 91.807945][ T871] WARNING: CPU: 3 PID: 871 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) 
| [   91.809293][  T871] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc nf_conntrack_ftp nft_masq tcp_diag inet_diag nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   91.811405][  T871] Tainted: [W]=WARN
[   91.811670][  T871] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 91.812086][ T871] 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) 
[ 91.812440][ T871] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   91.813640][  T871] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   91.814059][  T871] RAX: 0000000000000000 RBX: ffff8880096fa000 RCX: 0000000000000001
[   91.814565][  T871] RDX: 0000000000000000 RSI: ffffffffa1e9f52e RDI: ffffffffa165a5a0
[   91.815061][  T871] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   91.815612][  T871] R10: ffffc900005e7010 R11: ffffffffa23798a0 R12: 1ffff920000bcde2
[   91.816109][  T871] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff8880096faf08
[   91.816614][  T871] FS:  00007f049f7b9800(0000) GS:ffff888092427000(0000) knlGS:0000000000000000
[   91.817192][  T871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.817618][  T871] CR2: 00000000004e58f8 CR3: 000000000ba9c005 CR4: 0000000000772ef0
[   91.818126][  T871] PKRU: 55555554
[   91.818372][  T871] Call Trace:
[   91.818630][  T871]  <TASK>
[ 91.818804][ T871] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 91.819146][ T871] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 91.819545][ T871] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 91.819886][ T871] netif_set_mtu (net/core/dev.c:9652) 
[ 91.820215][ T871] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 91.820608][ T871] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 91.820864][ T871] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 91.821315][ T871] br_add_if (net/bridge/br_if.c:697) bridge 
[ 91.821693][ T871] do_set_master (net/core/rtnetlink.c:2948) 
[ 91.822029][ T871] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 91.822363][ T871] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 91.822789][ T871] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 91.823121][ T871] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 91.823454][ T871] ? __kernel_text_address (kernel/extable.c:79) 
[ 91.823790][ T871] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 91.824121][ T871] ? __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) 
[ 91.824457][ T871] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 91.824873][ T871] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 91.825221][ T871] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 91.825570][ T871] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 91.825899][ T871] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 91.826229][ T871] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 91.826569][ T871] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 91.826898][ T871] ? __create_object (mm/kmemleak.c:771) 
[ 91.827231][ T871] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 91.827573][ T871] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 91.827917][ T871] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 91.828325][ T871] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 91.828671][ T871] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 91.829017][ T871] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 91.829354][ T871] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 91.829719][ T871] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 91.830049][ T871] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 91.830374][ T871] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 91.830729][ T871] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 91.831057][ T871] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 91.831390][ T871] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 91.831731][ T871] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 91.832062][ T871] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 91.832392][ T871] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 91.832729][ T871] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 91.833083][ T871] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 91.833413][ T871] ? 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) 
[ 91.833757][ T871] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 91.834089][ T871] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 91.834440][ T871] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 91.834775][ T871] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 91.835112][ T871] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 91.835464][ T871] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 91.835799][ T871] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 91.836127][ T871] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 91.836465][ T871] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 91.836887][ T871] ___sys_sendmsg (net/socket.c:2670) 
[ 91.837217][ T871] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 91.837556][ T871] ? __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) 
[ 91.837989][ T871] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 91.838324][ T871] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 91.838669][ T871] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 91.839007][ T871] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 91.839348][ T871] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 91.839700][ T871] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 91.840041][ T871] __sys_sendmsg (net/socket.c:2700) 
[ 91.840372][ T871] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 91.840807][ T871] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 91.841151][ T871] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 91.841493][ T871] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 91.841826][ T871] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   91.842237][  T871] RIP: 0033:0x7f049f9861e7
[ 91.842590][ T871] 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)
[   91.843789][  T871] RSP: 002b:00007fff99093b08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   91.844289][  T871] RAX: ffffffffffffffda RBX: 00007fff99094240 RCX: 00007f049f9861e7
[   91.844801][  T871] RDX: 0000000000000000 RSI: 00007fff99093b70 RDI: 0000000000000005
[   91.845320][  T871] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   91.845823][  T871] R10: 0000000001bf7910 R11: 0000000000000246 R12: 0000000000000003
[   91.846317][  T871] R13: 00000000686e45ef R14: 0000000000499600 R15: 0000000000000000
| [   93.806735][  T884] ------------[ cut here ]------------
| [ 93.807130][ T884] WARNING: CPU: 2 PID: 884 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) 
| [   93.807855][  T884] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc nf_conntrack_ftp nft_masq tcp_diag inet_diag nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   93.809826][  T884] Tainted: [W]=WARN
[   93.810061][  T884] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.810438][ T884] 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) 
[ 93.810753][ T884] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   93.811827][  T884] RSP: 0018:ffffc90000707140 EFLAGS: 00010246
[   93.812204][  T884] RAX: 0000000000000000 RBX: ffff88800acca000 RCX: 0000000000000001
[   93.812666][  T884] RDX: 0000000000000000 RSI: ffffffffa1e9f52e RDI: ffffffffa165a5a0
[   93.813104][  T884] RBP: ffffc90000707230 R08: ffff888003108800 R09: 0000000000000000
[   93.813550][  T884] R10: ffffc900007075c8 R11: ffffffffa2c59728 R12: 1ffff920000e0e2c
[   93.813983][  T884] R13: 00000000000003e8 R14: ffffc90000707880 R15: ffff88800c9ec3e0
[   93.814442][  T884] FS:  00007f8a4ee10800(0000) GS:ffff8880923a7000(0000) knlGS:0000000000000000
[   93.814955][  T884] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.815344][  T884] CR2: 00000000004e58f8 CR3: 000000000f1cd003 CR4: 0000000000772ef0
[   93.815797][  T884] PKRU: 55555554
[   93.816025][  T884] Call Trace:
[   93.816250][  T884]  <TASK>
[ 93.816415][ T884] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.816734][ T884] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 93.817031][ T884] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 93.817338][ T884] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 93.817652][ T884] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 93.817973][ T884] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 93.818290][ T884] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 93.818632][ T884] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 93.819021][ T884] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 93.819319][ T884] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 93.819641][ T884] ? __kernel_text_address (kernel/extable.c:79) 
[ 93.819958][ T884] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.820271][ T884] ? __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) 
[ 93.820603][ T884] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 93.820988][ T884] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 93.821300][ T884] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 93.821625][ T884] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 93.821938][ T884] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 93.822254][ T884] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.822582][ T884] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 93.822893][ T884] ? __create_object (mm/kmemleak.c:771) 
[ 93.823212][ T884] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 93.823540][ T884] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 93.823854][ T884] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 93.824237][ T884] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 93.824550][ T884] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 93.824862][ T884] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 93.825181][ T884] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.825499][ T884] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.825811][ T884] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 93.826104][ T884] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 93.826401][ T884] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 93.826713][ T884] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 93.827017][ T884] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 93.827320][ T884] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.827638][ T884] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 93.827943][ T884] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 93.828248][ T884] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 93.828569][ T884] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 93.828865][ T884] ? 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) 
[ 93.829165][ T884] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 93.829476][ T884] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 93.829781][ T884] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 93.830095][ T884] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 93.830391][ T884] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 93.830703][ T884] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 93.831009][ T884] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 93.831308][ T884] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 93.831639][ T884] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 93.832022][ T884] ___sys_sendmsg (net/socket.c:2670) 
[ 93.832316][ T884] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 93.832632][ T884] ? __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) 
[ 93.833007][ T884] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 93.833315][ T884] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.833624][ T884] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.833925][ T884] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.834216][ T884] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 93.834520][ T884] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 93.834830][ T884] __sys_sendmsg (net/socket.c:2700) 
[ 93.835134][ T884] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 93.835506][ T884] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 93.835820][ T884] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 93.836121][ T884] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 93.836435][ T884] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   93.836803][  T884] RIP: 0033:0x7f8a4efdd1e7
[ 93.837123][ T884] 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)
[   93.838164][  T884] RSP: 002b:00007ffd2750b0d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   93.838615][  T884] RAX: ffffffffffffffda RBX: 00007ffd2750b810 RCX: 00007f8a4efdd1e7
[   93.839056][  T884] RDX: 0000000000000000 RSI: 00007ffd2750b140 RDI: 0000000000000005
[   93.839548][  T884] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   93.839986][  T884] R10: 00007f8a4eeda498 R11: 0000000000000246 R12: 0000000000000003
[   93.840417][  T884] R13: 00000000686e45f1 R14: 0000000000499600 R15: 0000000000000000
| [   93.847744][  T884] ------------[ cut here ]------------
| [ 93.848121][ T884] WARNING: CPU: 2 PID: 884 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) 
| [   93.848798][  T884] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc nf_conntrack_ftp nft_masq tcp_diag inet_diag nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   93.852863][  T884] Tainted: [W]=WARN
[   93.853276][  T884] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.853889][ T884] 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) 
[ 93.854653][ T884] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   93.856927][  T884] RSP: 0018:ffffc90000706de0 EFLAGS: 00010246
[   93.857976][  T884] RAX: 0000000000000000 RBX: ffff8880096fa000 RCX: 0000000000000001
[   93.858860][  T884] RDX: 0000000000000000 RSI: ffffffffa1e9f52e RDI: ffffffffa165a5a0
[   93.859524][  T884] RBP: ffffc90000706ed0 R08: 0000000000000000 R09: 0000000000000000
[   93.860161][  T884] R10: ffffc90000706f00 R11: ffffffffa23798a0 R12: 1ffff920000e0dc0
[   93.860847][  T884] R13: 00000000000003e8 R14: ffffc90000706f00 R15: ffff8880096faf08
[   93.861507][  T884] FS:  00007f8a4ee10800(0000) GS:ffff8880923a7000(0000) knlGS:0000000000000000
[   93.862230][  T884] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.862872][  T884] CR2: 00000000004e58f8 CR3: 000000000f1cd003 CR4: 0000000000772ef0
[   93.863616][  T884] PKRU: 55555554
[   93.864026][  T884] Call Trace:
[   93.864448][  T884]  <TASK>
[ 93.864788][ T884] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.865295][ T884] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 93.865806][ T884] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.866281][ T884] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 93.866814][ T884] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 93.867298][ T884] netif_set_mtu (net/core/dev.c:9652) 
[ 93.867818][ T884] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 93.868307][ T884] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.868825][ T884] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 93.869303][ T884] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 93.869731][ T884] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 93.870336][ T884] br_device_event (net/bridge/br.c:142) bridge 
[ 93.870890][ T884] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 93.871548][ T884] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:672) nf_tables 
[ 93.872198][ T884] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 93.872739][ T884] netif_set_mtu_ext (./include/linux/notifier.h:207 net/core/dev.c:9633) 
[ 93.873220][ T884] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.873709][ T884] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 93.874181][ T884] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 93.874710][ T884] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 93.875211][ T884] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 93.875703][ T884] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 93.876180][ T884] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 93.876800][ T884] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 93.877221][ T884] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 93.877564][ T884] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 93.877902][ T884] ? __kernel_text_address (kernel/extable.c:79) 
[ 93.878232][ T884] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.878623][ T884] ? __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) 
[ 93.878955][ T884] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 93.879361][ T884] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 93.879703][ T884] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 93.880033][ T884] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 93.880369][ T884] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 93.880727][ T884] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.881058][ T884] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 93.881387][ T884] ? __create_object (mm/kmemleak.c:771) 
[ 93.881737][ T884] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 93.882067][ T884] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 93.882397][ T884] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 93.882859][ T884] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 93.883204][ T884] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 93.883550][ T884] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 93.883877][ T884] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.884214][ T884] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.884565][ T884] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 93.884899][ T884] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 93.885240][ T884] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 93.885579][ T884] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 93.885920][ T884] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 93.886250][ T884] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.886633][ T884] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 93.886968][ T884] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 93.887298][ T884] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 93.887652][ T884] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 93.887980][ T884] ? 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) 
[ 93.888319][ T884] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 93.888681][ T884] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 93.889023][ T884] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 93.889361][ T884] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 93.889703][ T884] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 93.890037][ T884] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 93.890370][ T884] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 93.890757][ T884] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 93.891091][ T884] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 93.891517][ T884] ___sys_sendmsg (net/socket.c:2670) 
[ 93.891841][ T884] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 93.892171][ T884] ? __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) 
[ 93.892603][ T884] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 93.892947][ T884] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.893285][ T884] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.893631][ T884] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.893960][ T884] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 93.894286][ T884] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 93.894672][ T884] __sys_sendmsg (net/socket.c:2700) 
[ 93.895004][ T884] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 93.895433][ T884] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 93.895788][ T884] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 93.896119][ T884] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 93.896473][ T884] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   93.896885][  T884] RIP: 0033:0x7f8a4efdd1e7
[ 93.897225][ T884] 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)
[   93.898386][  T884] RSP: 002b:00007ffd2750b0d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   93.898939][  T884] RAX: ffffffffffffffda RBX: 00007ffd2750b810 RCX: 00007f8a4efdd1e7
[   93.899439][  T884] RDX: 0000000000000000 RSI: 00007ffd2750b140 RDI: 0000000000000005
[   93.899925][  T884] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   93.900441][  T884] R10: 00007f8a4eeda498 R11: 0000000000000246 R12: 0000000000000003
[   93.900932][  T884] R13: 00000000686e45f1 R14: 0000000000499600 R15: 0000000000000000
| [   94.925516][  T887] ------------[ cut here ]------------
| [ 94.925851][ T887] WARNING: CPU: 3 PID: 887 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) 
| [   94.926409][  T887] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc nf_conntrack_ftp nft_masq tcp_diag inet_diag nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   94.928352][  T887] Tainted: [W]=WARN
[   94.928601][  T887] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 94.928976][ T887] 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) 
[ 94.929303][ T887] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   94.930443][  T887] RSP: 0018:ffffc900005d7140 EFLAGS: 00010246
[   94.930831][  T887] RAX: 0000000000000000 RBX: ffff88800acca000 RCX: 0000000000000001
[   94.931287][  T887] RDX: 0000000000000000 RSI: ffffffffa1e9f52e RDI: ffffffffa165a5a0
[   94.931888][  T887] RBP: ffffc900005d7230 R08: ffff88800e2f3800 R09: 0000000000000000
[   94.932359][  T887] R10: ffffc900005d75c8 R11: ffffffffa2c59728 R12: 1ffff920000bae2c
[   94.933227][  T887] R13: 00000000000003e8 R14: ffffc900005d7880 R15: ffff8880092a6a60
[   94.933700][  T887] FS:  00007fa3926d0800(0000) GS:ffff888092427000(0000) knlGS:0000000000000000
[   94.934225][  T887] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.934591][  T887] CR2: 00000000004e58f8 CR3: 000000000c02e004 CR4: 0000000000772ef0
[   94.935020][  T887] PKRU: 55555554
[   94.935250][  T887] Call Trace:
[   94.935490][  T887]  <TASK>
[ 94.935635][ T887] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.935928][ T887] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 94.936220][ T887] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 94.936522][ T887] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 94.936823][ T887] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 94.937119][ T887] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 94.937406][ T887] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 94.937717][ T887] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 94.938085][ T887] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 94.938365][ T887] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 94.938655][ T887] ? __kernel_text_address (kernel/extable.c:79) 
[ 94.938955][ T887] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.939252][ T887] ? __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) 
[ 94.939543][ T887] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 94.939916][ T887] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 94.940214][ T887] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 94.940523][ T887] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 94.940806][ T887] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 94.941102][ T887] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.941381][ T887] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 94.941671][ T887] ? __create_object (mm/kmemleak.c:771) 
[ 94.941966][ T887] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 94.942252][ T887] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 94.942553][ T887] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 94.942908][ T887] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 94.943201][ T887] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 94.943501][ T887] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 94.943787][ T887] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.944075][ T887] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.944354][ T887] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 94.944646][ T887] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 94.944937][ T887] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 94.945229][ T887] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 94.945521][ T887] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 94.945811][ T887] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.946111][ T887] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 94.946396][ T887] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 94.946691][ T887] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 94.946997][ T887] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 94.947277][ T887] ? 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) 
[ 94.947568][ T887] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 94.947858][ T887] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 94.948148][ T887] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 94.948447][ T887] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 94.948730][ T887] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 94.949024][ T887] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 94.949309][ T887] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 94.949602][ T887] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 94.949890][ T887] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 94.950251][ T887] ___sys_sendmsg (net/socket.c:2670) 
[ 94.950549][ T887] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 94.950832][ T887] ? __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) 
[ 94.951188][ T887] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 94.951488][ T887] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.951777][ T887] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.952066][ T887] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.952346][ T887] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 94.952633][ T887] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 94.952932][ T887] __sys_sendmsg (net/socket.c:2700) 
[ 94.953220][ T887] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 94.953585][ T887] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 94.953884][ T887] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 94.954167][ T887] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 94.954459][ T887] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   94.954822][  T887] RIP: 0033:0x7fa39289d1e7
[ 94.955124][ T887] 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)
[   94.956159][  T887] RSP: 002b:00007ffd27d2da98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   94.956596][  T887] RAX: ffffffffffffffda RBX: 00007ffd27d2e1d0 RCX: 00007fa39289d1e7
[   94.957038][  T887] RDX: 0000000000000000 RSI: 00007ffd27d2db00 RDI: 0000000000000005
[   94.957493][  T887] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   94.957913][  T887] R10: 00007fa39279a498 R11: 0000000000000246 R12: 0000000000000003
[   94.958344][  T887] R13: 00000000686e45f2 R14: 0000000000499600 R15: 0000000000000000
| [   96.026074][  T890] ------------[ cut here ]------------
| [ 96.026444][ T890] WARNING: CPU: 3 PID: 890 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   96.027006][  T890] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc nf_conntrack_ftp nft_masq tcp_diag inet_diag nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   96.029779][  T890] Tainted: [W]=WARN
[   96.030019][  T890] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 96.030389][ T890] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 96.030720][ T890] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   96.031829][  T890] RSP: 0018:ffffc900006b7140 EFLAGS: 00010246
[   96.032206][  T890] RAX: 0000000000000000 RBX: ffff88800acca000 RCX: 0000000000000001
[   96.032681][  T890] RDX: 0000000000000000 RSI: ffffffffa1e9f52e RDI: ffffffffa165a5a0
[   96.033155][  T890] RBP: ffffc900006b7230 R08: ffff88800310a000 R09: 0000000000000000
[   96.033625][  T890] R10: ffffc900006b75c8 R11: ffffffffa2c59728 R12: 1ffff920000d6e2c
[   96.034079][  T890] R13: 00000000000003e8 R14: ffffc900006b7880 R15: ffff88800f07b160
[   96.034563][  T890] FS:  00007f39c7d62800(0000) GS:ffff888092427000(0000) knlGS:0000000000000000
[   96.035102][  T890] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   96.035496][  T890] CR2: 00000000004e58f8 CR3: 000000000e0ff005 CR4: 0000000000772ef0
[   96.035951][  T890] PKRU: 55555554
[   96.036188][  T890] Call Trace:
[   96.036413][  T890]  <TASK>
[ 96.036577][ T890] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.036884][ T890] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 96.037194][ T890] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.037506][ T890] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 96.037807][ T890] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 96.038108][ T890] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 96.038413][ T890] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 96.038726][ T890] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 96.039121][ T890] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 96.039450][ T890] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 96.039762][ T890] ? __kernel_text_address (kernel/extable.c:79) 
[ 96.040065][ T890] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.040355][ T890] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 96.040650][ T890] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 96.041019][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.041305][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.041605][ T890] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 96.041890][ T890] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 96.042184][ T890] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.042491][ T890] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 96.042787][ T890] ? __create_object (mm/kmemleak.c:771) 
[ 96.043095][ T890] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 96.043463][ T890] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 96.043764][ T890] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 96.044138][ T890] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 96.044455][ T890] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 96.044774][ T890] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.045069][ T890] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.045389][ T890] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.045693][ T890] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 96.045989][ T890] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.046304][ T890] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.046604][ T890] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 96.046932][ T890] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.047220][ T890] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.047519][ T890] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 96.047803][ T890] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.048088][ T890] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 96.048380][ T890] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 96.048697][ T890] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 96.048986][ T890] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 96.049272][ T890] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 96.049577][ T890] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 96.049867][ T890] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 96.050151][ T890] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 96.050444][ T890] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 96.050742][ T890] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 96.051027][ T890] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 96.051308][ T890] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 96.051688][ T890] ___sys_sendmsg (net/socket.c:2670) 
[ 96.052017][ T890] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 96.052316][ T890] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 96.052702][ T890] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 96.053015][ T890] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.053328][ T890] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.053658][ T890] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.053967][ T890] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 96.054266][ T890] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.054579][ T890] __sys_sendmsg (net/socket.c:2700) 
[ 96.054879][ T890] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 96.055289][ T890] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 96.055617][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.055918][ T890] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 96.056218][ T890] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   96.056605][  T890] RIP: 0033:0x7f39c7f2f1e7
[ 96.056916][ T890] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   96.058009][  T890] RSP: 002b:00007ffdac2c2dc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   96.058474][  T890] RAX: ffffffffffffffda RBX: 00007ffdac2c3500 RCX: 00007f39c7f2f1e7
[   96.058925][  T890] RDX: 0000000000000000 RSI: 00007ffdac2c2e30 RDI: 0000000000000005
[   96.059382][  T890] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   96.059842][  T890] R10: 00007f39c7e2c498 R11: 0000000000000246 R12: 0000000000000003
[   96.060287][  T890] R13: 00000000686e45f3 R14: 0000000000499600 R15: 0000000000000000
| [   97.458702][   T12] ------------[ cut here ]------------
| [ 97.459278][ T12] WARNING: CPU: 0 PID: 12 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) 
| [   97.459850][   T12] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc nf_conntrack_ftp nft_masq tcp_diag inet_diag nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   97.462116][   T12] Tainted: [W]=WARN
[   97.462363][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.462765][   T12] Workqueue: netns cleanup_net
[ 97.463106][ T12] 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) 
[ 97.463445][ T12] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   97.464582][   T12] RSP: 0018:ffffc900000c75b0 EFLAGS: 00010246
[   97.464979][   T12] RAX: 0000000000000000 RBX: ffff8880096fa000 RCX: 0000000000000001
[   97.465488][   T12] RDX: 0000000000000000 RSI: ffffffffa1e9f52e RDI: ffffffffa165a5a0
[   97.465986][   T12] RBP: ffffc900000c76a0 R08: 0000000000000000 R09: 0000000000000000
[   97.466463][   T12] R10: ffffc900000c76d0 R11: ffffffff9e4b586a R12: 1ffff92000018eba
[   97.466934][   T12] R13: 00000000000003e8 R14: ffffc900000c76d0 R15: ffff8880096faf08
[   97.467409][   T12] FS:  0000000000000000(0000) GS:ffff8880922a7000(0000) knlGS:0000000000000000
[   97.467974][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.468369][   T12] CR2: 00007f40150a4000 CR3: 0000000030b36004 CR4: 0000000000772ef0
[   97.468857][   T12] PKRU: 55555554
[   97.469093][   T12] Call Trace:
[   97.469327][   T12]  <TASK>
[ 97.469505][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 97.469830][ T12] ? __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) 
[ 97.470224][ T12] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 97.470583][ T12] ? br_device_event (net/bridge/br.c:141) bridge 
[ 97.470923][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 97.471237][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 97.471558][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 97.471869][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 97.472192][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 97.472513][ T12] ? kthread (kernel/kthread.c:464) 
[ 97.472751][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 97.473062][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 97.473379][ T12] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 97.473803][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 97.474182][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 97.474628][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 97.474933][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 97.475450][ T12] br_del_if (net/bridge/br_if.c:743) bridge 
[ 97.475873][ T12] br_device_event (net/bridge/br.c:141) bridge 
[ 97.476296][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 97.476954][ T12] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:684) nf_tables 
[ 97.477480][ T12] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 97.477903][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 97.478375][ T12] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 97.478770][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 97.479243][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 97.479701][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 97.480182][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 97.480648][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 97.481030][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 97.481555][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 97.481924][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 97.482279][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 97.482665][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 97.483047][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 97.483441][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 97.483809][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 97.484209][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 97.484598][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 97.484973][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 97.485469][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 97.485797][ T12] kthread (kernel/kthread.c:464) 
[ 97.486037][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 97.486353][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 97.486689][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 97.487009][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 97.487322][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 97.487651][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 97.487963][ T12] ? __pfx_kthread (kernel/kthread.c:413) 


Finger prints:
netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_device_event
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