======================================
| [   69.958394][  T697] vtep-host: entered promiscuous mode
| [   69.961195][  T697] ------------[ cut here ]------------
| [ 69.961535][ T697] WARNING: CPU: 3 PID: 697 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) 
| [   69.962148][  T697] Modules linked in: 8021q br_netfilter bridge stp llc xt_REDIRECT xt_nat nft_compat nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
[   69.965183][  T697] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 69.965601][ T697] 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) 
[ 69.965930][ T697] 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
[   69.967063][  T697] RSP: 0018:ffffc900006d6ef0 EFLAGS: 00010246
[   69.967479][  T697] RAX: 0000000000000000 RBX: ffff888004dda000 RCX: 0000000000000001
[   69.967958][  T697] RDX: 0000000000000000 RSI: ffffffffa3c9f52e RDI: ffffffffa345a5a0
[   69.968443][  T697] RBP: ffffc900006d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   69.968913][  T697] R10: ffffc900006d7010 R11: ffffffffa41798a0 R12: 1ffff920000dade2
[   69.969386][  T697] R13: 00000000000005dc R14: ffffc900006d7010 R15: ffff888004ddaf08
[   69.969853][  T697] FS:  00007f6812199800(0000) GS:ffff888090627000(0000) knlGS:0000000000000000
[   69.970412][  T697] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.970826][  T697] CR2: 00000000004e6888 CR3: 0000000005bca005 CR4: 0000000000772ef0
[   69.971314][  T697] PKRU: 55555554
[   69.971558][  T697] Call Trace:
[   69.971797][  T697]  <TASK>
[ 69.971958][ T697] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 69.972283][ T697] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 69.972832][ T697] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 69.973145][ T697] netif_set_mtu (net/core/dev.c:9652) 
[ 69.973471][ T697] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 69.973805][ T697] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 69.974039][ T697] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 69.974488][ T697] br_add_if (net/bridge/br_if.c:697) bridge 
[ 69.974843][ T697] do_set_master (net/core/rtnetlink.c:2948) 
[ 69.975166][ T697] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 69.975498][ T697] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 69.975898][ T697] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 69.976206][ T697] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 69.976525][ T697] ? __kernel_text_address (kernel/extable.c:79) 
[ 69.976844][ T697] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 69.977159][ T697] ? __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) 
[ 69.977480][ T697] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 69.977870][ T697] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 69.978185][ T697] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 69.978504][ T697] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 69.978816][ T697] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 69.979129][ T697] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 69.979450][ T697] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 69.979761][ T697] ? __create_object (mm/kmemleak.c:771) 
[ 69.980081][ T697] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 69.980401][ T697] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 69.980714][ T697] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 69.981120][ T697] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 69.981457][ T697] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 69.981777][ T697] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 69.982093][ T697] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 69.982426][ T697] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 69.982735][ T697] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 69.983045][ T697] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 69.983370][ T697] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 69.983685][ T697] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 69.983992][ T697] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 69.984358][ T697] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 69.984678][ T697] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 69.984985][ T697] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 69.985291][ T697] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 69.985618][ T697] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 69.985924][ T697] ? 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) 
[ 69.986243][ T697] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 69.986561][ T697] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 69.986883][ T697] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 69.987202][ T697] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 69.987518][ T697] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 69.987837][ T697] ? _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) 
[ 69.988149][ T697] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 69.988471][ T697] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 69.988777][ T697] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 69.989173][ T697] ___sys_sendmsg (net/socket.c:2670) 
[ 69.989485][ T697] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 69.989792][ T697] ? __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) 
[ 69.990175][ T697] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 69.990499][ T697] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 69.990818][ T697] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 69.991136][ T697] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 69.991465][ T697] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 69.991781][ T697] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 69.992097][ T697] __sys_sendmsg (net/socket.c:2700) 
[ 69.992418][ T697] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 69.992803][ T697] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 69.993125][ T697] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 69.993448][ T697] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 69.993763][ T697] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   69.994172][  T697] RIP: 0033:0x7f68123661e7
[ 69.994517][ T697] 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)
[   69.995651][  T697] RSP: 002b:00007ffee3cd9058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   69.996125][  T697] RAX: ffffffffffffffda RBX: 00007ffee3cd9790 RCX: 00007f68123661e7
[   69.996600][  T697] RDX: 0000000000000000 RSI: 00007ffee3cd90c0 RDI: 0000000000000005
[   69.997092][  T697] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   69.997574][  T697] R10: 000000000d98e910 R11: 0000000000000246 R12: 0000000000000004
[   69.998035][  T697] R13: 00000000686e1cc9 R14: 0000000000499600 R15: 0000000000000000
| [   71.105800][  T704] ------------[ cut here ]------------
| [ 71.106153][ T704] WARNING: CPU: 2 PID: 704 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) 
| [   71.106787][  T704] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc xt_REDIRECT xt_nat nft_compat nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   71.108881][  T704] Tainted: [W]=WARN
[   71.109131][  T704] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 71.109538][ T704] 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) 
[ 71.109869][ T704] 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
[   71.110995][  T704] RSP: 0018:ffffc900006f6ef0 EFLAGS: 00010246
[   71.111407][  T704] RAX: 0000000000000000 RBX: ffff888004dda000 RCX: 0000000000000001
[   71.111879][  T704] RDX: 0000000000000000 RSI: ffffffffa3c9f52e RDI: ffffffffa345a5a0
[   71.112362][  T704] RBP: ffffc900006f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   71.112840][  T704] R10: ffffc900006f7010 R11: ffffffffa41798a0 R12: 1ffff920000dede2
[   71.113311][  T704] R13: 00000000000005dc R14: ffffc900006f7010 R15: ffff888004ddaf08
[   71.113792][  T704] FS:  00007f42d07be800(0000) GS:ffff8880905a7000(0000) knlGS:0000000000000000
[   71.114349][  T704] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.114752][  T704] CR2: 00000000004e58f8 CR3: 0000000013168004 CR4: 0000000000772ef0
[   71.115227][  T704] PKRU: 55555554
[   71.115478][  T704] Call Trace:
[   71.115721][  T704]  <TASK>
[ 71.115892][ T704] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 71.116214][ T704] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.116550][ T704] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 71.116876][ T704] netif_set_mtu (net/core/dev.c:9652) 
[ 71.117200][ T704] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 71.117552][ T704] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 71.117800][ T704] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 71.118247][ T704] br_add_if (net/bridge/br_if.c:697) bridge 
[ 71.118624][ T704] do_set_master (net/core/rtnetlink.c:2948) 
[ 71.118953][ T704] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 71.119279][ T704] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 71.119692][ T704] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 71.120013][ T704] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 71.120459][ T704] ? __kernel_text_address (kernel/extable.c:79) 
[ 71.120786][ T704] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.121124][ T704] ? __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) 
[ 71.121454][ T704] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 71.121854][ T704] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 71.122176][ T704] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 71.122510][ T704] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 71.122829][ T704] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 71.123150][ T704] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 71.123482][ T704] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 71.123801][ T704] ? __create_object (mm/kmemleak.c:771) 
[ 71.124121][ T704] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 71.124456][ T704] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 71.124775][ T704] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 71.125169][ T704] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 71.125506][ T704] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 71.125834][ T704] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 71.126154][ T704] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.126498][ T704] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 71.126820][ T704] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 71.127140][ T704] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 71.127476][ T704] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 71.127793][ T704] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 71.128129][ T704] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 71.128467][ T704] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.128796][ T704] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 71.129118][ T704] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 71.129450][ T704] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 71.129780][ T704] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 71.130099][ T704] ? 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) 
[ 71.130429][ T704] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 71.130753][ T704] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 71.131089][ T704] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 71.131423][ T704] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 71.131747][ T704] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 71.132071][ T704] ? _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) 
[ 71.132403][ T704] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 71.132727][ T704] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 71.133047][ T704] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 71.133464][ T704] ___sys_sendmsg (net/socket.c:2670) 
[ 71.133782][ T704] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 71.134106][ T704] ? __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) 
[ 71.134509][ T704] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 71.134834][ T704] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 71.135156][ T704] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.135498][ T704] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 71.135819][ T704] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 71.136138][ T704] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 71.136479][ T704] __sys_sendmsg (net/socket.c:2700) 
[ 71.136801][ T704] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 71.137193][ T704] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 71.137537][ T704] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 71.137860][ T704] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 71.138183][ T704] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   71.138588][  T704] RIP: 0033:0x7f42d098b1e7
[ 71.138921][ T704] 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)
[   71.140050][  T704] RSP: 002b:00007ffdd9db8178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   71.140535][  T704] RAX: ffffffffffffffda RBX: 00007ffdd9db88b0 RCX: 00007f42d098b1e7
[   71.141022][  T704] RDX: 0000000000000000 RSI: 00007ffdd9db81e0 RDI: 0000000000000005
[   71.141507][  T704] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   71.141979][  T704] R10: 00000000228c5910 R11: 0000000000000246 R12: 0000000000000003
[   71.142462][  T704] R13: 00000000686e1cca R14: 0000000000499600 R15: 0000000000000000
| [   72.874138][  T717] ------------[ cut here ]------------
| [ 72.874494][ T717] WARNING: CPU: 1 PID: 717 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) 
| [   72.875084][  T717] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc xt_REDIRECT xt_nat nft_compat nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   72.876961][  T717] Tainted: [W]=WARN
[   72.877184][  T717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 72.877781][ T717] 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) 
[ 72.878072][ T717] 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
[   72.879105][  T717] RSP: 0018:ffffc900007d7140 EFLAGS: 00010246
[   72.879480][  T717] RAX: 0000000000000000 RBX: ffff8880060f2000 RCX: 0000000000000001
[   72.879922][  T717] RDX: 0000000000000000 RSI: ffffffffa3c9f52e RDI: ffffffffa345a5a0
[   72.880370][  T717] RBP: ffffc900007d7230 R08: ffff8880154ce800 R09: 0000000000000000
[   72.880812][  T717] R10: ffffc900007d75c8 R11: ffffffffa4a59728 R12: 1ffff920000fae2c
[   72.881240][  T717] R13: 00000000000003e8 R14: ffffc900007d7880 R15: ffff8880099cf860
[   72.881668][  T717] FS:  00007fbf23eb7800(0000) GS:ffff888090527000(0000) knlGS:0000000000000000
[   72.882157][  T717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.882660][  T717] CR2: 00000000004e58f8 CR3: 0000000015462004 CR4: 0000000000772ef0
[   72.883099][  T717] PKRU: 55555554
[   72.883311][  T717] Call Trace:
[   72.883532][  T717]  <TASK>
[ 72.883675][ T717] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.883961][ T717] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 72.884239][ T717] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 72.884533][ T717] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 72.884831][ T717] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 72.885125][ T717] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 72.885419][ T717] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 72.885704][ T717] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 72.886059][ T717] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 72.886363][ T717] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 72.886644][ T717] ? __kernel_text_address (kernel/extable.c:79) 
[ 72.886939][ T717] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.887220][ T717] ? __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) 
[ 72.887528][ T717] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 72.887889][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 72.888180][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 72.888465][ T717] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 72.888766][ T717] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 72.889047][ T717] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.889351][ T717] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 72.889628][ T717] ? __create_object (mm/kmemleak.c:771) 
[ 72.889908][ T717] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 72.890202][ T717] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 72.890489][ T717] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 72.890847][ T717] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 72.891152][ T717] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 72.891446][ T717] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 72.891740][ T717] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.892027][ T717] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.892337][ T717] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 72.892616][ T717] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 72.892914][ T717] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 72.893193][ T717] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 72.893501][ T717] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 72.893785][ T717] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.894069][ T717] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 72.894357][ T717] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 72.894640][ T717] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 72.894933][ T717] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 72.895225][ T717] ? 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) 
[ 72.895523][ T717] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 72.895818][ T717] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 72.896103][ T717] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 72.896407][ T717] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 72.896687][ T717] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 72.896979][ T717] ? _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) 
[ 72.897265][ T717] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 72.897565][ T717] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 72.897847][ T717] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 72.898205][ T717] ___sys_sendmsg (net/socket.c:2670) 
[ 72.898496][ T717] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 72.898777][ T717] ? __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) 
[ 72.899122][ T717] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 72.899414][ T717] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.899718][ T717] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.900015][ T717] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.900395][ T717] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 72.900681][ T717] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 72.900983][ T717] __sys_sendmsg (net/socket.c:2700) 
[ 72.901276][ T717] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 72.901661][ T717] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 72.901961][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 72.902242][ T717] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 72.902535][ T717] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   72.902880][  T717] RIP: 0033:0x7fbf240841e7
[ 72.903170][ T717] 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)
[   72.904178][  T717] RSP: 002b:00007ffcb75eb408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   72.904608][  T717] RAX: ffffffffffffffda RBX: 00007ffcb75ebb40 RCX: 00007fbf240841e7
[   72.905023][  T717] RDX: 0000000000000000 RSI: 00007ffcb75eb470 RDI: 0000000000000005
[   72.905449][  T717] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   72.905868][  T717] R10: 00007fbf23f81498 R11: 0000000000000246 R12: 0000000000000003
[   72.906284][  T717] R13: 00000000686e1ccc R14: 0000000000499600 R15: 0000000000000000
| [   72.911899][  T717] ------------[ cut here ]------------
| [ 72.912230][ T717] WARNING: CPU: 1 PID: 717 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) 
| [   72.912858][  T717] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc xt_REDIRECT xt_nat nft_compat nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   72.914802][  T717] Tainted: [W]=WARN
[   72.915038][  T717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 72.915436][ T717] 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) 
[ 72.915755][ T717] 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
[   72.916877][  T717] RSP: 0018:ffffc900007d6de0 EFLAGS: 00010246
[   72.917268][  T717] RAX: 0000000000000000 RBX: ffff888004dda000 RCX: 0000000000000001
[   72.918015][  T717] RDX: 0000000000000000 RSI: ffffffffa3c9f52e RDI: ffffffffa345a5a0
[   72.918490][  T717] RBP: ffffc900007d6ed0 R08: 0000000000000000 R09: 0000000000000000
[   72.919210][  T717] R10: ffffc900007d6f00 R11: ffffffffa41798a0 R12: 1ffff920000fadc0
[   72.919685][  T717] R13: 00000000000003e8 R14: ffffc900007d6f00 R15: ffff888004ddaf08
[   72.920150][  T717] FS:  00007fbf23eb7800(0000) GS:ffff888090527000(0000) knlGS:0000000000000000
[   72.920955][  T717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.921355][  T717] CR2: 00000000004e58f8 CR3: 0000000015462004 CR4: 0000000000772ef0
[   72.921826][  T717] PKRU: 55555554
[   72.922292][  T717] Call Trace:
[   72.922534][  T717]  <TASK>
[ 72.922693][ T717] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.923005][ T717] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 72.923334][ T717] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.923649][ T717] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 72.923961][ T717] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 72.924272][ T717] netif_set_mtu (net/core/dev.c:9652) 
[ 72.924596][ T717] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 72.925148][ T717] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.925467][ T717] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 72.925780][ T717] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 72.926019][ T717] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 72.926691][ T717] br_device_event (net/bridge/br.c:142) bridge 
[ 72.927036][ T717] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 72.927467][ T717] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:672) nf_tables 
[ 72.928121][ T717] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 72.928450][ T717] netif_set_mtu_ext (./include/linux/notifier.h:207 net/core/dev.c:9633) 
[ 72.928765][ T717] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.929078][ T717] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 72.929625][ T717] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 72.929939][ T717] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 72.930249][ T717] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 72.930570][ T717] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 72.931129][ T717] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 72.931470][ T717] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 72.931865][ T717] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 72.932175][ T717] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 72.932782][ T717] ? __kernel_text_address (kernel/extable.c:79) 
[ 72.933097][ T717] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.933421][ T717] ? __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) 
[ 72.933735][ T717] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 72.934357][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 72.934670][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 72.934979][ T717] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 72.935288][ T717] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 72.935608][ T717] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.935923][ T717] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 72.936230][ T717] ? __create_object (mm/kmemleak.c:771) 
[ 72.936549][ T717] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 72.937094][ T717] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 72.937415][ T717] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 72.937799][ T717] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 72.938115][ T717] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 72.938674][ T717] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 72.938982][ T717] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.939297][ T717] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.939846][ T717] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 72.940157][ T717] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 72.940477][ T717] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 72.940790][ T717] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 72.941114][ T717] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 72.941667][ T717] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.941984][ T717] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 72.942338][ T717] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 72.942653][ T717] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 72.943204][ T717] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 72.943525][ T717] ? 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) 
[ 72.943839][ T717] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 72.944151][ T717] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 72.944706][ T717] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 72.945020][ T717] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 72.945345][ T717] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 72.945660][ T717] ? _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) 
[ 72.946203][ T717] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 72.946522][ T717] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 72.946833][ T717] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 72.947471][ T717] ___sys_sendmsg (net/socket.c:2670) 
[ 72.947780][ T717] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 72.948093][ T717] ? __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) 
[ 72.948492][ T717] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 72.949036][ T717] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.949356][ T717] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.949673][ T717] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.949982][ T717] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 72.950528][ T717] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 72.950865][ T717] __sys_sendmsg (net/socket.c:2700) 
[ 72.951175][ T717] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 72.951567][ T717] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 72.952123][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 72.952443][ T717] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 72.952756][ T717] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   72.953144][  T717] RIP: 0033:0x7fbf240841e7
[ 72.953716][ T717] 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)
[   72.955080][  T717] RSP: 002b:00007ffcb75eb408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   72.955560][  T717] RAX: ffffffffffffffda RBX: 00007ffcb75ebb40 RCX: 00007fbf240841e7
[   72.956029][  T717] RDX: 0000000000000000 RSI: 00007ffcb75eb470 RDI: 0000000000000005
[   72.956736][  T717] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   72.957202][  T717] R10: 00007fbf23f81498 R11: 0000000000000246 R12: 0000000000000003
[   72.957907][  T717] R13: 00000000686e1ccc R14: 0000000000499600 R15: 0000000000000000
| [   74.014715][  T720] ------------[ cut here ]------------
| [ 74.015101][ T720] WARNING: CPU: 3 PID: 720 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) 
| [   74.015809][  T720] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc xt_REDIRECT xt_nat nft_compat nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   74.017920][  T720] Tainted: [W]=WARN
[   74.018163][  T720] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 74.018632][ T720] 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) 
[ 74.018995][ T720] 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
[   74.020257][  T720] RSP: 0018:ffffc90000b07140 EFLAGS: 00010246
[   74.020822][  T720] RAX: 0000000000000000 RBX: ffff8880060f2000 RCX: 0000000000000001
[   74.021304][  T720] RDX: 0000000000000000 RSI: ffffffffa3c9f52e RDI: ffffffffa345a5a0
[   74.021950][  T720] RBP: ffffc90000b07230 R08: ffff888015856800 R09: 0000000000000000
[   74.022570][  T720] R10: ffffc90000b075c8 R11: ffffffffa4a59728 R12: 1ffff92000160e2c
[   74.023040][  T720] R13: 00000000000003e8 R14: ffffc90000b07880 R15: ffff888015906360
[   74.023880][  T720] FS:  00007f7226ca2800(0000) GS:ffff888090627000(0000) knlGS:0000000000000000
[   74.024438][  T720] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.024801][  T720] CR2: 00000000004e58f8 CR3: 0000000015430001 CR4: 0000000000772ef0
[   74.025228][  T720] PKRU: 55555554
[   74.025464][  T720] Call Trace:
[   74.025690][  T720]  <TASK>
[ 74.025843][ T720] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.026171][ T720] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 74.026468][ T720] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.026836][ T720] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 74.027197][ T720] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 74.027570][ T720] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 74.027926][ T720] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 74.028259][ T720] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 74.028703][ T720] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 74.029063][ T720] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 74.029418][ T720] ? __kernel_text_address (kernel/extable.c:79) 
[ 74.029755][ T720] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.030080][ T720] ? __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) 
[ 74.030445][ T720] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 74.030876][ T720] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.031216][ T720] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.031594][ T720] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 74.031922][ T720] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 74.032250][ T720] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.032608][ T720] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 74.032950][ T720] ? __create_object (mm/kmemleak.c:771) 
[ 74.033303][ T720] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 74.033651][ T720] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 74.034008][ T720] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 74.034464][ T720] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 74.034808][ T720] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 74.035140][ T720] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.035495][ T720] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.035848][ T720] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.036227][ T720] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 74.036560][ T720] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.036892][ T720] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.037221][ T720] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 74.037584][ T720] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.037938][ T720] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.038273][ T720] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 74.038632][ T720] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.038958][ T720] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 74.039310][ T720] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 74.039675][ T720] ? 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) 
[ 74.040034][ T720] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 74.040441][ T720] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 74.040921][ T720] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 74.041228][ T720] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 74.041560][ T720] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 74.041924][ T720] ? _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) 
[ 74.042227][ T720] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 74.042545][ T720] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 74.042849][ T720] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 74.043238][ T720] ___sys_sendmsg (net/socket.c:2670) 
[ 74.043534][ T720] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 74.043836][ T720] ? __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) 
[ 74.044195][ T720] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 74.044534][ T720] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.044832][ T720] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.045126][ T720] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.045501][ T720] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 74.045815][ T720] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.046127][ T720] __sys_sendmsg (net/socket.c:2700) 
[ 74.046425][ T720] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 74.046782][ T720] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 74.047088][ T720] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.047376][ T720] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 74.047672][ T720] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   74.048089][  T720] RIP: 0033:0x7f7226e6f1e7
[ 74.048406][ T720] 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)
[   74.049446][  T720] RSP: 002b:00007ffec8663298 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   74.049936][  T720] RAX: ffffffffffffffda RBX: 00007ffec86639d0 RCX: 00007f7226e6f1e7
[   74.050442][  T720] RDX: 0000000000000000 RSI: 00007ffec8663300 RDI: 0000000000000005
[   74.050927][  T720] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   74.051459][  T720] R10: 00007f7226d6c498 R11: 0000000000000246 R12: 0000000000000003
[   74.051956][  T720] R13: 00000000686e1ccd R14: 0000000000499600 R15: 0000000000000000
| [   75.156730][  T723] ------------[ cut here ]------------
| [ 75.157104][ T723] WARNING: CPU: 1 PID: 723 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) 
| [   75.157779][  T723] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc xt_REDIRECT xt_nat nft_compat nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   75.159934][  T723] Tainted: [W]=WARN
[   75.160309][  T723] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 75.160717][ T723] 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) 
[ 75.161060][ T723] 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
[   75.162137][  T723] RSP: 0018:ffffc90000977140 EFLAGS: 00010246
[   75.162533][  T723] RAX: 0000000000000000 RBX: ffff8880060f2000 RCX: 0000000000000001
[   75.163009][  T723] RDX: 0000000000000000 RSI: ffffffffa3c9f52e RDI: ffffffffa345a5a0
[   75.163491][  T723] RBP: ffffc90000977230 R08: ffff888017e52000 R09: 0000000000000000
[   75.163923][  T723] R10: ffffc900009775c8 R11: ffffffffa4a59728 R12: 1ffff9200012ee2c
[   75.164438][  T723] R13: 00000000000003e8 R14: ffffc90000977880 R15: ffff8880093f66e0
[   75.164942][  T723] FS:  00007fd3d6623800(0000) GS:ffff888090527000(0000) knlGS:0000000000000000
[   75.165490][  T723] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   75.165913][  T723] CR2: 00000000004e58f8 CR3: 00000000051d8005 CR4: 0000000000772ef0
[   75.166420][  T723] PKRU: 55555554
[   75.166654][  T723] Call Trace:
[   75.166876][  T723]  <TASK>
[ 75.167039][ T723] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.167400][ T723] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 75.167697][ T723] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 75.168049][ T723] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 75.168550][ T723] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 75.168876][ T723] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 75.169177][ T723] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 75.169535][ T723] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 75.169938][ T723] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 75.170277][ T723] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 75.170599][ T723] ? __kernel_text_address (kernel/extable.c:79) 
[ 75.170942][ T723] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.171253][ T723] ? __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) 
[ 75.171577][ T723] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 75.171944][ T723] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.172457][ T723] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.172785][ T723] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 75.173091][ T723] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 75.173426][ T723] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.173743][ T723] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 75.174120][ T723] ? __create_object (mm/kmemleak.c:771) 
[ 75.174477][ T723] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 75.174778][ T723] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 75.175064][ T723] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 75.175441][ T723] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 75.175738][ T723] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 75.176068][ T723] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 75.176388][ T723] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.176695][ T723] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.176977][ T723] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 75.177288][ T723] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 75.177606][ T723] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 75.177915][ T723] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 75.178194][ T723] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 75.178511][ T723] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.178825][ T723] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 75.179121][ T723] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 75.179414][ T723] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 75.179720][ T723] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 75.180005][ T723] ? 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) 
[ 75.180311][ T723] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 75.180649][ T723] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 75.180958][ T723] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 75.181250][ T723] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 75.181558][ T723] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 75.181861][ T723] ? _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) 
[ 75.182175][ T723] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 75.182485][ T723] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 75.182780][ T723] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 75.183142][ T723] ___sys_sendmsg (net/socket.c:2670) 
[ 75.183490][ T723] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 75.183773][ T723] ? __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) 
[ 75.184124][ T723] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 75.184456][ T723] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.184785][ T723] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 75.185116][ T723] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 75.185414][ T723] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 75.185710][ T723] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 75.186022][ T723] __sys_sendmsg (net/socket.c:2700) 
[ 75.186302][ T723] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 75.186690][ T723] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 75.187047][ T723] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 75.187344][ T723] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 75.187636][ T723] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   75.188011][  T723] RIP: 0033:0x7fd3d67f01e7
[ 75.188312][ T723] 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)
[   75.189375][  T723] RSP: 002b:00007ffe251c4968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   75.189819][  T723] RAX: ffffffffffffffda RBX: 00007ffe251c50a0 RCX: 00007fd3d67f01e7
[   75.190268][  T723] RDX: 0000000000000000 RSI: 00007ffe251c49d0 RDI: 0000000000000005
[   75.190754][  T723] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   75.191247][  T723] R10: 00007fd3d66ed498 R11: 0000000000000246 R12: 0000000000000003
[   75.191772][  T723] R13: 00000000686e1cce R14: 0000000000499600 R15: 0000000000000000
| [   76.628200][   T69] ------------[ cut here ]------------
| [ 76.628596][ T69] WARNING: CPU: 2 PID: 69 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) 
| [   76.629179][   T69] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc xt_REDIRECT xt_nat nft_compat nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   76.631650][   T69] Tainted: [W]=WARN
[   76.631911][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.632347][   T69] Workqueue: netns cleanup_net
[ 76.632720][ T69] 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) 
[ 76.633067][ T69] 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
[   76.634248][   T69] RSP: 0018:ffffc900004a75b0 EFLAGS: 00010246
[   76.634679][   T69] RAX: 0000000000000000 RBX: ffff888004dda000 RCX: 0000000000000001
[   76.635188][   T69] RDX: 0000000000000000 RSI: ffffffffa3c9f52e RDI: ffffffffa345a5a0
[   76.635698][   T69] RBP: ffffc900004a76a0 R08: 0000000000000000 R09: 0000000000000000
[   76.636222][   T69] R10: ffffc900004a76d0 R11: ffffffffa08914d8 R12: 1ffff92000094eba
[   76.636742][   T69] R13: 00000000000003e8 R14: ffffc900004a76d0 R15: ffff888004ddaf08
[   76.637237][   T69] FS:  0000000000000000(0000) GS:ffff8880905a7000(0000) knlGS:0000000000000000
[   76.637826][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.638249][   T69] CR2: 0000558561abddec CR3: 000000000e736004 CR4: 0000000000772ef0
[   76.638763][   T69] PKRU: 55555554
[   76.639028][   T69] Call Trace:
[   76.639283][   T69]  <TASK>
[ 76.639470][ T69] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 76.639807][ T69] ? __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) 
[ 76.640223][ T69] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 76.640657][ T69] ? br_device_event (net/bridge/br.c:141) bridge 
[ 76.641060][ T69] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 76.641418][ T69] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 76.641755][ T69] ? cleanup_net (net/core/net_namespace.c:684) 
[ 76.642090][ T69] ? process_one_work (kernel/workqueue.c:3238) 
[ 76.642439][ T69] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 76.642777][ T69] ? kthread (kernel/kthread.c:464) 
[ 76.643035][ T69] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 76.643392][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 76.643736][ T69] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 76.644090][ T69] netif_set_mtu (net/core/dev.c:9652) 
[ 76.644439][ T69] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 76.644798][ T69] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 76.645063][ T69] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 76.645531][ T69] br_del_if (net/bridge/br_if.c:743) bridge 
[ 76.645907][ T69] br_device_event (net/bridge/br.c:141) bridge 
[ 76.646279][ T69] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 76.646784][ T69] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:684) nf_tables 
[ 76.647228][ T69] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 76.647568][ T69] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 76.647971][ T69] ? 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) 
[ 76.648308][ T69] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 76.648725][ T69] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 76.649121][ T69] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 76.649531][ T69] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 76.649937][ T69] default_device_exit_batch (net/core/dev.c:12673) 
[ 76.650262][ T69] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 76.650673][ T69] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 76.651017][ T69] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 76.651352][ T69] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 76.651684][ T69] cleanup_net (net/core/net_namespace.c:684) 
[ 76.652009][ T69] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 76.652361][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 76.652705][ T69] process_one_work (kernel/workqueue.c:3238) 
[ 76.653057][ T69] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 76.653423][ T69] ? assign_work (kernel/workqueue.c:1200) 
[ 76.653757][ T69] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 76.654094][ T69] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 76.654436][ T69] kthread (kernel/kthread.c:464) 
[ 76.654687][ T69] ? __pfx_kthread (kernel/kthread.c:413) 
[ 76.655008][ T69] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 76.655341][ T69] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 76.655666][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 76.655992][ T69] ? __pfx_kthread (kernel/kthread.c:413) 
[ 76.656341][ T69] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 76.656663][ T69] ? __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