======================================
| [   49.141086][  T558] vtep-host: entered promiscuous mode
| [   49.143988][  T558] ------------[ cut here ]------------
| [ 49.145351][ T558] WARNING: CPU: 0 PID: 558 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) 
| [   49.146003][  T558] Modules linked in: 8021q br_netfilter bridge stp llc nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
[   49.147669][  T558] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.148063][ T558] 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) 
[ 49.148393][ T558] Code: 00 00 8b 05 67 1b 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 aa d0 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 67 1b 38 02    	mov    0x2381b67(%rip),%eax        # 0x2381b6f
   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 aa d0 79 00       	call   0x79d0cb
  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
[   49.149511][  T558] RSP: 0018:ffffc900006eeef0 EFLAGS: 00010246
[   49.149907][  T558] RAX: 0000000000000000 RBX: ffff88800a822000 RCX: 0000000000000001
[   49.150376][  T558] RDX: 0000000000000000 RSI: ffffffff8e09f52e RDI: ffffffff8d85a5a0
[   49.150851][  T558] RBP: ffffc900006eefe0 R08: 0000000000000000 R09: 0000000000000000
[   49.151314][  T558] R10: ffffc900006ef010 R11: ffffffff8e5798a0 R12: 1ffff920000ddde2
[   49.151794][  T558] R13: 00000000000005dc R14: ffffc900006ef010 R15: ffff88800a822f08
[   49.152267][  T558] FS:  00007f91cf2ea800(0000) GS:ffff8880a60a7000(0000) knlGS:0000000000000000
[   49.152840][  T558] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.153234][  T558] CR2: 00000000004e6888 CR3: 000000000bb5a004 CR4: 0000000000772ef0
[   49.153713][  T558] PKRU: 55555554
[   49.153946][  T558] Call Trace:
[   49.154182][  T558]  <TASK>
[ 49.154352][ T558] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 49.154678][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.155013][ T558] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.155553][ T558] netif_set_mtu (net/core/dev.c:9652) 
[ 49.155881][ T558] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 49.156208][ T558] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 49.156455][ T558] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 49.156898][ T558] br_add_if (net/bridge/br_if.c:697) bridge 
[ 49.157257][ T558] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 49.157581][ T558] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 49.157898][ T558] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 49.158325][ T558] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 49.158649][ T558] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 49.158956][ T558] ? __kernel_text_address (kernel/extable.c:79) 
[ 49.159281][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.159602][ T558] ? __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) 
[ 49.159914][ T558] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 49.160301][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.160653][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.160980][ T558] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 49.161288][ T558] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 49.161619][ T558] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.161933][ T558] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 49.162237][ T558] ? __create_object (mm/kmemleak.c:771) 
[ 49.162574][ T558] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 49.162885][ T558] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 49.163204][ T558] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 49.163596][ T558] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 49.163914][ T558] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 49.164237][ T558] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.164554][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.164869][ T558] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.165179][ T558] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 49.165509][ T558] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.165821][ T558] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.166128][ T558] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 49.166444][ T558] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.166764][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.167078][ T558] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 49.167403][ T558] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.167713][ T558] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 49.168033][ T558] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 49.168348][ T558] ? 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) 
[ 49.168665][ T558] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 49.168981][ T558] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 49.169300][ T558] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 49.169623][ T558] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 49.169934][ T558] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 49.170255][ T558] ? _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) 
[ 49.170576][ T558] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 49.170895][ T558] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 49.171242][ T558] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 49.171650][ T558] ___sys_sendmsg (net/socket.c:2670) 
[ 49.171956][ T558] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 49.172269][ T558] ? __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) 
[ 49.172702][ T558] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 49.173016][ T558] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.173331][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.173654][ T558] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.173991][ T558] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 49.174301][ T558] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.174625][ T558] __sys_sendmsg (net/socket.c:2700) 
[ 49.174931][ T558] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 49.175343][ T558] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 49.175708][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.176032][ T558] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 49.176346][ T558] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   49.176742][  T558] RIP: 0033:0x7f91cf4b71e7
[ 49.177088][ T558] 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)
[   49.178199][  T558] RSP: 002b:00007ffcbf8d3c08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   49.178680][  T558] RAX: ffffffffffffffda RBX: 00007ffcbf8d4340 RCX: 00007f91cf4b71e7
[   49.179148][  T558] RDX: 0000000000000000 RSI: 00007ffcbf8d3c70 RDI: 0000000000000005
[   49.179616][  T558] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   49.180080][  T558] R10: 000000003d9fe910 R11: 0000000000000246 R12: 0000000000000004
[   49.180555][  T558] R13: 00000000686e6f78 R14: 0000000000499600 R15: 0000000000000000
| [   50.267190][  T565] ------------[ cut here ]------------
| [ 50.267568][ T565] WARNING: CPU: 2 PID: 565 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) 
| [   50.268226][  T565] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   50.270163][  T565] Tainted: [W]=WARN
[   50.270443][  T565] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.270868][ T565] 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) 
[ 50.271218][ T565] Code: 00 00 8b 05 67 1b 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 aa d0 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 67 1b 38 02    	mov    0x2381b67(%rip),%eax        # 0x2381b6f
   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 aa d0 79 00       	call   0x79d0cb
  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
[   50.272411][  T565] RSP: 0018:ffffc900006feef0 EFLAGS: 00010246
[   50.272853][  T565] RAX: 0000000000000000 RBX: ffff88800a822000 RCX: 0000000000000001
[   50.273346][  T565] RDX: 0000000000000000 RSI: ffffffff8e09f52e RDI: ffffffff8d85a5a0
[   50.273860][  T565] RBP: ffffc900006fefe0 R08: 0000000000000000 R09: 0000000000000000
[   50.274364][  T565] R10: ffffc900006ff010 R11: ffffffff8e5798a0 R12: 1ffff920000dfde2
[   50.274919][  T565] R13: 00000000000005dc R14: ffffc900006ff010 R15: ffff88800a822f08
[   50.275595][  T565] FS:  00007f6c7f044800(0000) GS:ffff8880a61a7000(0000) knlGS:0000000000000000
[   50.276206][  T565] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.276642][  T565] CR2: 00000000004e58f8 CR3: 000000000bc7a005 CR4: 0000000000772ef0
[   50.277147][  T565] PKRU: 55555554
[   50.277416][  T565] Call Trace:
[   50.277673][  T565]  <TASK>
[ 50.277855][ T565] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 50.278198][ T565] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.278574][ T565] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.278922][ T565] netif_set_mtu (net/core/dev.c:9652) 
[ 50.279259][ T565] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 50.279636][ T565] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 50.279897][ T565] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 50.280358][ T565] br_add_if (net/bridge/br_if.c:697) bridge 
[ 50.280756][ T565] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 50.281095][ T565] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 50.281445][ T565] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 50.281872][ T565] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 50.282213][ T565] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 50.282595][ T565] ? __kernel_text_address (kernel/extable.c:79) 
[ 50.282944][ T565] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.283285][ T565] ? __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) 
[ 50.283637][ T565] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 50.284052][ T565] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.284400][ T565] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.284745][ T565] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 50.285079][ T565] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 50.285431][ T565] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.285771][ T565] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 50.286109][ T565] ? __create_object (mm/kmemleak.c:771) 
[ 50.286479][ T565] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 50.286824][ T565] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 50.287195][ T565] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 50.287631][ T565] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 50.287971][ T565] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 50.288313][ T565] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.288670][ T565] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.289015][ T565] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.289353][ T565] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 50.289701][ T565] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.290041][ T565] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.290413][ T565] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 50.290757][ T565] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.291099][ T565] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.291455][ T565] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 50.291802][ T565] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.292137][ T565] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 50.292507][ T565] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 50.292861][ T565] ? 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) 
[ 50.293202][ T565] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 50.293560][ T565] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 50.293907][ T565] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 50.294244][ T565] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 50.294631][ T565] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 50.294977][ T565] ? _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) 
[ 50.295321][ T565] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 50.295675][ T565] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 50.296016][ T565] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 50.296452][ T565] ___sys_sendmsg (net/socket.c:2670) 
[ 50.296790][ T565] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 50.297127][ T565] ? __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) 
[ 50.297554][ T565] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 50.297900][ T565] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.298242][ T565] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.298612][ T565] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.298958][ T565] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 50.299292][ T565] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.299651][ T565] __sys_sendmsg (net/socket.c:2700) 
[ 50.299986][ T565] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 50.300414][ T565] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 50.300762][ T565] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.301101][ T565] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 50.301450][ T565] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   50.301891][  T565] RIP: 0033:0x7f6c7f2111e7
[ 50.302242][ T565] 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)
[   50.303456][  T565] RSP: 002b:00007fff97ddb7a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   50.303961][  T565] RAX: ffffffffffffffda RBX: 00007fff97ddbee0 RCX: 00007f6c7f2111e7
[   50.304473][  T565] RDX: 0000000000000000 RSI: 00007fff97ddb810 RDI: 0000000000000005
[   50.304969][  T565] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   50.305482][  T565] R10: 0000000013c54910 R11: 0000000000000246 R12: 0000000000000003
[   50.305975][  T565] R13: 00000000686e6f79 R14: 0000000000499600 R15: 0000000000000000
| [   52.169593][  T578] ------------[ cut here ]------------
| [ 52.170094][ T578] WARNING: CPU: 3 PID: 578 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) 
| [   52.170998][  T578] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   52.174715][  T578] Tainted: [W]=WARN
[   52.175080][  T578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 52.175696][ T578] 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) 
[ 52.176202][ T578] Code: 00 00 8b 05 67 1b 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 aa d0 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 67 1b 38 02    	mov    0x2381b67(%rip),%eax        # 0x2381b6f
   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 aa d0 79 00       	call   0x79d0cb
  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
[   52.177808][  T578] RSP: 0018:ffffc9000098f140 EFLAGS: 00010246
[   52.178324][  T578] RAX: 0000000000000000 RBX: ffff88800a04a000 RCX: 0000000000000001
[   52.179067][  T578] RDX: 0000000000000000 RSI: ffffffff8e09f52e RDI: ffffffff8d85a5a0
[   52.179809][  T578] RBP: ffffc9000098f230 R08: ffff8880095cb800 R09: 0000000000000000
[   52.180540][  T578] R10: ffffc9000098f5c8 R11: ffffffff8ee59728 R12: 1ffff92000131e2c
[   52.181252][  T578] R13: 00000000000003e8 R14: ffffc9000098f880 R15: ffff88800bc56a60
[   52.181951][  T578] FS:  00007f2dc971c800(0000) GS:ffff8880a6227000(0000) knlGS:0000000000000000
[   52.182871][  T578] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.183477][  T578] CR2: 00000000004e58f8 CR3: 000000001810f006 CR4: 0000000000772ef0
[   52.184191][  T578] PKRU: 55555554
[   52.184584][  T578] Call Trace:
[   52.184894][  T578]  <TASK>
[ 52.185103][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.185529][ T578] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 52.185945][ T578] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.186347][ T578] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 52.186827][ T578] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 52.187244][ T578] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 52.187654][ T578] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 52.188061][ T578] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 52.188581][ T578] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 52.188961][ T578] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 52.189346][ T578] ? __kernel_text_address (kernel/extable.c:79) 
[ 52.189763][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.190155][ T578] ? __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) 
[ 52.190558][ T578] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 52.191041][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.191485][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.191869][ T578] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 52.192255][ T578] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 52.192662][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.193047][ T578] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 52.193439][ T578] ? __create_object (mm/kmemleak.c:771) 
[ 52.193822][ T578] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 52.194231][ T578] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 52.194657][ T578] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 52.195141][ T578] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 52.195533][ T578] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 52.195905][ T578] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.196260][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.196649][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.197012][ T578] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 52.197376][ T578] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.197792][ T578] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.198158][ T578] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 52.198550][ T578] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.198948][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.199324][ T578] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 52.199741][ T578] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.200123][ T578] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 52.200551][ T578] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 52.200913][ T578] ? 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) 
[ 52.201287][ T578] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 52.201735][ T578] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 52.202119][ T578] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.202508][ T578] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 52.202948][ T578] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 52.203326][ T578] ? _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) 
[ 52.203717][ T578] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.204089][ T578] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 52.204470][ T578] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 52.204945][ T578] ___sys_sendmsg (net/socket.c:2670) 
[ 52.205312][ T578] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 52.205700][ T578] ? __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) 
[ 52.206162][ T578] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 52.206548][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.206920][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.207295][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.207675][ T578] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 52.208036][ T578] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.208429][ T578] __sys_sendmsg (net/socket.c:2700) 
[ 52.208834][ T578] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 52.209289][ T578] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 52.209678][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.210035][ T578] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.210419][ T578] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   52.210857][  T578] RIP: 0033:0x7f2dc98e91e7
[ 52.211223][ T578] 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)
[   52.212548][  T578] RSP: 002b:00007ffd24799b38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   52.213129][  T578] RAX: ffffffffffffffda RBX: 00007ffd2479a270 RCX: 00007f2dc98e91e7
[   52.213689][  T578] RDX: 0000000000000000 RSI: 00007ffd24799ba0 RDI: 0000000000000005
[   52.214236][  T578] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   52.214792][  T578] R10: 00007f2dc97e6498 R11: 0000000000000246 R12: 0000000000000003
[   52.215341][  T578] R13: 00000000686e6f7b R14: 0000000000499600 R15: 0000000000000000
| [   52.223089][  T578] ------------[ cut here ]------------
| [ 52.223530][ T578] WARNING: CPU: 3 PID: 578 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) 
| [   52.224368][  T578] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   52.227031][  T578] Tainted: [W]=WARN
[   52.227341][  T578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 52.227868][ T578] 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) 
[ 52.228301][ T578] Code: 00 00 8b 05 67 1b 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 aa d0 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 67 1b 38 02    	mov    0x2381b67(%rip),%eax        # 0x2381b6f
   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 aa d0 79 00       	call   0x79d0cb
  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
[   52.229852][  T578] RSP: 0018:ffffc9000098ede0 EFLAGS: 00010246
[   52.230370][  T578] RAX: 0000000000000000 RBX: ffff88800a822000 RCX: 0000000000000001
[   52.231003][  T578] RDX: 0000000000000000 RSI: ffffffff8e09f52e RDI: ffffffff8d85a5a0
[   52.231631][  T578] RBP: ffffc9000098eed0 R08: 0000000000000000 R09: 0000000000000000
[   52.232243][  T578] R10: ffffc9000098ef00 R11: ffffffff8e5798a0 R12: 1ffff92000131dc0
[   52.232887][  T578] R13: 00000000000003e8 R14: ffffc9000098ef00 R15: ffff88800a822f08
[   52.233526][  T578] FS:  00007f2dc971c800(0000) GS:ffff8880a6227000(0000) knlGS:0000000000000000
[   52.234247][  T578] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.234781][  T578] CR2: 00000000004e58f8 CR3: 000000001810f006 CR4: 0000000000772ef0
[   52.235423][  T578] PKRU: 55555554
[   52.235729][  T578] Call Trace:
[   52.236039][  T578]  <TASK>
[ 52.236249][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.236688][ T578] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 52.237109][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.237538][ T578] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 52.237946][ T578] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.238356][ T578] netif_set_mtu (net/core/dev.c:9652) 
[ 52.238783][ T578] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 52.239249][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.239777][ T578] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 52.240829][ T578] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 52.241257][ T578] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 52.242000][ T578] br_device_event (net/bridge/br.c:142) bridge 
[ 52.242631][ T578] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 52.243803][ T578] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:672) nf_tables 
[ 52.244545][ T578] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 52.245108][ T578] netif_set_mtu_ext (./include/linux/notifier.h:207 net/core/dev.c:9633) 
[ 52.245648][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.246616][ T578] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 52.247140][ T578] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.247684][ T578] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 52.248213][ T578] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 52.248763][ T578] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 52.249317][ T578] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 52.249865][ T578] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 52.250947][ T578] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 52.251532][ T578] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 52.252054][ T578] ? __kernel_text_address (kernel/extable.c:79) 
[ 52.252667][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.253228][ T578] ? __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) 
[ 52.254182][ T578] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 52.254849][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.255368][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.256308][ T578] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 52.256841][ T578] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 52.257364][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.257899][ T578] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 52.258851][ T578] ? __create_object (mm/kmemleak.c:771) 
[ 52.259373][ T578] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 52.259918][ T578] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 52.260484][ T578] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 52.261553][ T578] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 52.262100][ T578] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 52.262668][ T578] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.263194][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.263757][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.264310][ T578] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 52.264856][ T578] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.265402][ T578] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.266353][ T578] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 52.266902][ T578] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.267456][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.267997][ T578] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 52.268978][ T578] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.269533][ T578] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 52.270092][ T578] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 52.270646][ T578] ? 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) 
[ 52.271637][ T578] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 52.272179][ T578] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 52.272800][ T578] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.273136][ T578] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 52.273700][ T578] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 52.274021][ T578] ? _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) 
[ 52.274341][ T578] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.274672][ T578] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 52.275222][ T578] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 52.275642][ T578] ___sys_sendmsg (net/socket.c:2670) 
[ 52.275965][ T578] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 52.276281][ T578] ? __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) 
[ 52.276693][ T578] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 52.277018][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.277338][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.277901][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.278213][ T578] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 52.278538][ T578] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.278893][ T578] __sys_sendmsg (net/socket.c:2700) 
[ 52.279204][ T578] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 52.279830][ T578] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 52.280162][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.280487][ T578] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.281036][ T578] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   52.281446][  T578] RIP: 0033:0x7f2dc98e91e7
[ 52.281772][ T578] 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)
[   52.283170][  T578] RSP: 002b:00007ffd24799b38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   52.283656][  T578] RAX: ffffffffffffffda RBX: 00007ffd2479a270 RCX: 00007f2dc98e91e7
[   52.284378][  T578] RDX: 0000000000000000 RSI: 00007ffd24799ba0 RDI: 0000000000000005
[   52.284860][  T578] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   52.285333][  T578] R10: 00007f2dc97e6498 R11: 0000000000000246 R12: 0000000000000003
[   52.285811][  T578] R13: 00000000686e6f7b R14: 0000000000499600 R15: 0000000000000000
| [   53.332094][  T581] ------------[ cut here ]------------
| [ 53.332472][ T581] WARNING: CPU: 3 PID: 581 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   53.333082][  T581] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   53.334839][  T581] Tainted: [W]=WARN
[   53.335066][  T581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.335440][ T581] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 53.335751][ T581] Code: 00 00 8b 05 67 1b 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 aa d0 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 67 1b 38 02    	mov    0x2381b67(%rip),%eax        # 0x2381b6f
   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 aa d0 79 00       	call   0x79d0cb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   53.336840][  T581] RSP: 0018:ffffc900009d7140 EFLAGS: 00010246
[   53.337212][  T581] RAX: 0000000000000000 RBX: ffff88800a04a000 RCX: 0000000000000001
[   53.337668][  T581] RDX: 0000000000000000 RSI: ffffffff8e09f52e RDI: ffffffff8d85a5a0
[   53.338106][  T581] RBP: ffffc900009d7230 R08: ffff88800b446800 R09: 0000000000000000
[   53.338571][  T581] R10: ffffc900009d75c8 R11: ffffffff8ee59728 R12: 1ffff9200013ae2c
[   53.339010][  T581] R13: 00000000000003e8 R14: ffffc900009d7880 R15: ffff8880077a5c60
[   53.339461][  T581] FS:  00007fe378762800(0000) GS:ffff8880a6227000(0000) knlGS:0000000000000000
[   53.339974][  T581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.340341][  T581] CR2: 00000000004e58f8 CR3: 000000000c730006 CR4: 0000000000772ef0
[   53.340789][  T581] PKRU: 55555554
[   53.341011][  T581] Call Trace:
[   53.341228][  T581]  <TASK>
[ 53.341376][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.341697][ T581] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.341985][ T581] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.342281][ T581] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 53.342731][ T581] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 53.343030][ T581] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 53.343327][ T581] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 53.343682][ T581] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.344059][ T581] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.344348][ T581] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.344651][ T581] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.344948][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.345245][ T581] ? __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) 
[ 53.345552][ T581] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.345923][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.346216][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.346517][ T581] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.346810][ T581] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.347104][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.347411][ T581] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.347701][ T581] ? __create_object (mm/kmemleak.c:771) 
[ 53.347994][ T581] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.348291][ T581] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.348592][ T581] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.348959][ T581] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.349260][ T581] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.349599][ T581] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.349893][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.350191][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.350492][ T581] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.350816][ T581] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.351112][ T581] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.351411][ T581] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.351706][ T581] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.352020][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.352318][ T581] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.352682][ T581] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.352988][ T581] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.353294][ T581] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.353591][ T581] ? 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) 
[ 53.353884][ T581] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 53.354182][ T581] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.354492][ T581] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.354789][ T581] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.355085][ T581] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.355378][ T581] ? _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) 
[ 53.355686][ T581] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.355980][ T581] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.356273][ T581] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.356657][ T581] ___sys_sendmsg (net/socket.c:2670) 
[ 53.356947][ T581] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.357241][ T581] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.357613][ T581] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.357908][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.358203][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.358509][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.358803][ T581] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.359094][ T581] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.359410][ T581] __sys_sendmsg (net/socket.c:2700) 
[ 53.359699][ T581] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.360169][ T581] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.360490][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.360784][ T581] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.361078][ T581] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.361452][  T581] RIP: 0033:0x7fe37892f1e7
[ 53.361754][ T581] 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)
[   53.362855][  T581] RSP: 002b:00007ffccae32c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.363305][  T581] RAX: ffffffffffffffda RBX: 00007ffccae333b0 RCX: 00007fe37892f1e7
[   53.363760][  T581] RDX: 0000000000000000 RSI: 00007ffccae32ce0 RDI: 0000000000000005
[   53.364199][  T581] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   53.364644][  T581] R10: 00007fe37882c498 R11: 0000000000000246 R12: 0000000000000003
[   53.365105][  T581] R13: 00000000686e6f7d R14: 0000000000499600 R15: 0000000000000000
| [   54.384070][  T584] ------------[ cut here ]------------
| [ 54.384416][ T584] WARNING: CPU: 3 PID: 584 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   54.384987][  T584] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   54.386827][  T584] Tainted: [W]=WARN
[   54.387156][  T584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.387725][ T584] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 54.388014][ T584] Code: 00 00 8b 05 67 1b 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 aa d0 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 67 1b 38 02    	mov    0x2381b67(%rip),%eax        # 0x2381b6f
   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 aa d0 79 00       	call   0x79d0cb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   54.389358][  T584] RSP: 0018:ffffc90000527140 EFLAGS: 00010246
[   54.389745][  T584] RAX: 0000000000000000 RBX: ffff88800a04a000 RCX: 0000000000000001
[   54.390169][  T584] RDX: 0000000000000000 RSI: ffffffff8e09f52e RDI: ffffffff8d85a5a0
[   54.390596][  T584] RBP: ffffc90000527230 R08: ffff888008cb0800 R09: 0000000000000000
[   54.391041][  T584] R10: ffffc900005275c8 R11: ffffffff8ee59728 R12: 1ffff920000a4e2c
[   54.391472][  T584] R13: 00000000000003e8 R14: ffffc90000527880 R15: ffff888009a9f160
[   54.391893][  T584] FS:  00007f272d534800(0000) GS:ffff8880a6227000(0000) knlGS:0000000000000000
[   54.392378][  T584] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.392763][  T584] CR2: 00000000004e58f8 CR3: 000000000bdcb001 CR4: 0000000000772ef0
[   54.393184][  T584] PKRU: 55555554
[   54.393405][  T584] Call Trace:
[   54.393617][  T584]  <TASK>
[ 54.393762][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.394047][ T584] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.394325][ T584] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.394625][ T584] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 54.394904][ T584] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 54.395184][ T584] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 54.395482][ T584] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 54.395780][ T584] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.396131][ T584] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.396421][ T584] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.396699][ T584] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.396981][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.397266][ T584] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 54.397552][ T584] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.397901][ T584] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.398184][ T584] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.398469][ T584] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.398748][ T584] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.399029][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.399304][ T584] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.399590][ T584] ? __create_object (mm/kmemleak.c:771) 
[ 54.399879][ T584] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.400165][ T584] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.400454][ T584] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.400799][ T584] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.401115][ T584] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.401409][ T584] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.401685][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.401967][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.402250][ T584] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.402544][ T584] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.402829][ T584] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.403106][ T584] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.403400][ T584] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.403683][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.403966][ T584] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.404246][ T584] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.404540][ T584] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.404832][ T584] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.405113][ T584] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 54.405400][ T584] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 54.405683][ T584] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.405994][ T584] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.406278][ T584] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.406570][ T584] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.406855][ T584] ? _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) 
[ 54.407141][ T584] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.407439][ T584] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.407720][ T584] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.408079][ T584] ___sys_sendmsg (net/socket.c:2670) 
[ 54.408356][ T584] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.408650][ T584] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 54.408997][ T584] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.409277][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.409567][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.409851][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.410128][ T584] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.410412][ T584] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.410700][ T584] __sys_sendmsg (net/socket.c:2700) 
[ 54.410977][ T584] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.411320][ T584] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.411620][ T584] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.411907][ T584] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.412186][ T584] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.412553][  T584] RIP: 0033:0x7f272d7011e7
[ 54.412861][ T584] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   54.413862][  T584] RSP: 002b:00007ffd29caa768 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.414280][  T584] RAX: ffffffffffffffda RBX: 00007ffd29caaea0 RCX: 00007f272d7011e7
[   54.414710][  T584] RDX: 0000000000000000 RSI: 00007ffd29caa7d0 RDI: 0000000000000005
[   54.415127][  T584] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   54.415552][  T584] R10: 00007f272d5fe498 R11: 0000000000000246 R12: 0000000000000003
[   54.415967][  T584] R13: 00000000686e6f7e R14: 0000000000499600 R15: 0000000000000000
| [   55.735365][   T68] ------------[ cut here ]------------
| [ 55.735700][ T68] WARNING: CPU: 0 PID: 68 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) 
| [   55.736235][   T68] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   55.738818][   T68] Tainted: [W]=WARN
[   55.739057][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.739742][   T68] Workqueue: netns cleanup_net
[ 55.740074][ T68] 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) 
[ 55.740539][ T68] Code: 00 00 8b 05 67 1b 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 aa d0 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 67 1b 38 02    	mov    0x2381b67(%rip),%eax        # 0x2381b6f
   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 aa d0 79 00       	call   0x79d0cb
  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
[   55.741833][   T68] RSP: 0018:ffffc900004975b0 EFLAGS: 00010246
[   55.742231][   T68] RAX: 0000000000000000 RBX: ffff88800a822000 RCX: 0000000000000001
[   55.742852][   T68] RDX: 0000000000000000 RSI: ffffffff8e09f52e RDI: ffffffff8d85a5a0
[   55.743323][   T68] RBP: ffffc900004976a0 R08: 0000000000000000 R09: 0000000000000000
[   55.743798][   T68] R10: ffffc900004976d0 R11: ffffffff8a6b586a R12: 1ffff92000092eba
[   55.744263][   T68] R13: 00000000000003e8 R14: ffffc900004976d0 R15: ffff88800a822f08
[   55.744743][   T68] FS:  0000000000000000(0000) GS:ffff8880a60a7000(0000) knlGS:0000000000000000
[   55.745299][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.745705][   T68] CR2: 0000000000406141 CR3: 0000000014936003 CR4: 0000000000772ef0
[   55.746203][   T68] PKRU: 55555554
[   55.746450][   T68] Call Trace:
[   55.746683][   T68]  <TASK>
[ 55.746840][ T68] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 55.747155][ T68] ? __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) 
[ 55.747547][ T68] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 55.747902][ T68] ? br_device_event (net/bridge/br.c:141) bridge 
[ 55.748253][ T68] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 55.748574][ T68] ? ops_undo_list (net/core/net_namespace.c:250) 
[ 55.748881][ T68] ? cleanup_net (net/core/net_namespace.c:684) 
[ 55.749187][ T68] ? process_one_work (kernel/workqueue.c:3238) 
[ 55.749515][ T68] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 55.749824][ T68] ? kthread (kernel/kthread.c:464) 
[ 55.750059][ T68] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 55.750375][ T68] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 55.750705][ T68] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.751024][ T68] netif_set_mtu (net/core/dev.c:9652) 
[ 55.751335][ T68] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 55.751673][ T68] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 55.751911][ T68] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 55.752352][ T68] br_del_if (net/bridge/br_if.c:743) bridge 
[ 55.752722][ T68] br_device_event (net/bridge/br.c:141) bridge 
[ 55.753067][ T68] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 55.753495][ T68] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:684) nf_tables 
[ 55.753925][ T68] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 55.754240][ T68] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 55.754644][ T68] ? 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) 
[ 55.754957][ T68] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 55.755347][ T68] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 55.755738][ T68] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 55.756123][ T68] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 55.756523][ T68] default_device_exit_batch (net/core/dev.c:12673) 
[ 55.756831][ T68] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 55.757221][ T68] ops_undo_list (net/core/net_namespace.c:250) 
[ 55.757551][ T68] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 55.757859][ T68] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 55.758276][ T68] cleanup_net (net/core/net_namespace.c:684) 
[ 55.758610][ T68] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 55.758943][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.759257][ T68] process_one_work (kernel/workqueue.c:3238) 
[ 55.759585][ T68] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 55.759913][ T68] ? assign_work (kernel/workqueue.c:1200) 
[ 55.760231][ T68] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 55.760560][ T68] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 55.760874][ T68] kthread (kernel/kthread.c:464) 
[ 55.761111][ T68] ? __pfx_kthread (kernel/kthread.c:413) 
[ 55.761428][ T68] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 55.761738][ T68] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.762053][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.762369][ T68] ? __pfx_kthread (kernel/kthread.c:413) 
[ 55.762709][ T68] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 55.763022][ T68] ? __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