======================================
| [   23.064902][  T282] veth01: entered promiscuous mode
| [   23.067981][  T282] ------------[ cut here ]------------
| [ 23.068376][ T282] WARNING: CPU: 3 PID: 282 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) 
| [   23.070014][  T282] Modules linked in: bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
[   23.071418][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.071881][ T282] 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) 
[ 23.072258][ T282] 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
[   23.073552][  T282] RSP: 0018:ffffc90000b96ef0 EFLAGS: 00010246
[   23.074023][  T282] RAX: 0000000000000000 RBX: ffff8880053b2000 RCX: 0000000000000001
[   23.074563][  T282] RDX: 0000000000000000 RSI: ffffffffb4a9f52e RDI: ffffffffb425a5a0
[   23.075106][  T282] RBP: ffffc90000b96fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.075641][  T282] R10: ffffc90000b97010 R11: ffffffffb4f798a0 R12: 1ffff92000172de2
[   23.076199][  T282] R13: 00000000000005dc R14: ffffc90000b97010 R15: ffff8880053b2f08
[   23.076731][  T282] FS:  00007f1d43a01800(0000) GS:ffff888078827000(0000) knlGS:0000000000000000
[   23.077360][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.078039][  T282] CR2: 00000000004e6888 CR3: 000000000bef1004 CR4: 0000000000772ef0
[   23.078586][  T282] PKRU: 55555554
[   23.078868][  T282] Call Trace:
[   23.079137][  T282]  <TASK>
[ 23.079323][ T282] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.079685][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.080061][ T282] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.080414][ T282] netif_set_mtu (net/core/dev.c:9652) 
[ 23.080775][ T282] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.081167][ T282] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.081450][ T282] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.081947][ T282] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.082349][ T282] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 23.082710][ T282] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.083083][ T282] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.083531][ T282] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.083907][ T282] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.084257][ T282] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.084616][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.084983][ T282] ? __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) 
[ 23.085345][ T282] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.085787][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.086152][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.086514][ T282] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.086877][ T282] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.087231][ T282] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.087588][ T282] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.087954][ T282] ? __create_object (mm/kmemleak.c:771) 
[ 23.088315][ T282] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.088667][ T282] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.089034][ T282] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.089478][ T282] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.089859][ T282] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.090222][ T282] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.090577][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.090948][ T282] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.091300][ T282] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.091667][ T282] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.092044][ T282] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.092401][ T282] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.092757][ T282] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.093128][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.093489][ T282] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.093857][ T282] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.094217][ T282] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.094580][ T282] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.094952][ T282] ? 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) 
[ 23.095312][ T282] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.095670][ T282] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.096049][ T282] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.096410][ T282] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.096764][ T282] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.097129][ T282] ? _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) 
[ 23.097494][ T282] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.097862][ T282] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.098218][ T282] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.098668][ T282] ___sys_sendmsg (net/socket.c:2670) 
[ 23.099033][ T282] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.099385][ T282] ? __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) 
[ 23.099825][ T282] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.100205][ T282] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.100564][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.100933][ T282] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.101569][ T282] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.101938][ T282] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.102301][ T282] __sys_sendmsg (net/socket.c:2700) 
[ 23.102652][ T282] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.103337][ T282] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.103705][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.104073][ T282] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.104446][ T282] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.105132][  T282] RIP: 0033:0x7f1d43bce1e7
[ 23.105499][ T282] 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)
[   23.107025][  T282] RSP: 002b:00007ffeb33eec28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.107561][  T282] RAX: ffffffffffffffda RBX: 00007ffeb33ef350 RCX: 00007f1d43bce1e7
[   23.108109][  T282] RDX: 0000000000000000 RSI: 00007ffeb33eec90 RDI: 0000000000000005
[   23.108647][  T282] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   23.109198][  T282] R10: 0000000030102910 R11: 0000000000000246 R12: 0000000000000003
[   23.109981][  T282] R13: 00000000686e75f7 R14: 0000000000499600 R15: 0000000000000000
| [   23.389828][  T283] ------------[ cut here ]------------
| [ 23.390195][ T283] WARNING: CPU: 0 PID: 283 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) 
| [   23.390813][  T283] Modules linked in: bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   23.392406][  T283] Tainted: [W]=WARN
[   23.392665][  T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.393145][ T283] 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) 
[ 23.393467][ T283] 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
[   23.394607][  T283] RSP: 0018:ffffc90000b96ef0 EFLAGS: 00010246
[   23.395030][  T283] RAX: 0000000000000000 RBX: ffff8880053b2000 RCX: 0000000000000001
[   23.395493][  T283] RDX: 0000000000000000 RSI: ffffffffb4a9f52e RDI: ffffffffb425a5a0
[   23.395972][  T283] RBP: ffffc90000b96fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.396437][  T283] R10: ffffc90000b97010 R11: ffffffffb4f798a0 R12: 1ffff92000172de2
[   23.396926][  T283] R13: 00000000000005dc R14: ffffc90000b97010 R15: ffff8880053b2f08
[   23.397392][  T283] FS:  00007f3735fd6800(0000) GS:ffff8880786a7000(0000) knlGS:0000000000000000
[   23.397956][  T283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.398348][  T283] CR2: 00000000004e6888 CR3: 000000000bef1006 CR4: 0000000000772ef0
[   23.398832][  T283] PKRU: 55555554
[   23.399076][  T283] Call Trace:
[   23.399309][  T283]  <TASK>
[ 23.399470][ T283] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.399781][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.400124][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.400443][ T283] netif_set_mtu (net/core/dev.c:9652) 
[ 23.400754][ T283] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.401099][ T283] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.401337][ T283] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.401773][ T283] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.402142][ T283] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 23.402457][ T283] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.402780][ T283] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.403188][ T283] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.403497][ T283] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.403804][ T283] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.404128][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.404444][ T283] ? __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) 
[ 23.404752][ T283] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.405157][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.405477][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.405784][ T283] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.406115][ T283] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.406427][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.406738][ T283] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.407057][ T283] ? __create_object (mm/kmemleak.c:771) 
[ 23.407377][ T283] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.407686][ T283] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.408045][ T283] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.408432][ T283] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.408747][ T283] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.409073][ T283] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.409386][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.409701][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.410031][ T283] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.410338][ T283] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.410648][ T283] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.410968][ T283] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.411280][ T283] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.411606][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.411928][ T283] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.412240][ T283] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.412555][ T283] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.412893][ T283] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.413204][ T283] ? 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) 
[ 23.413521][ T283] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.413832][ T283] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.414165][ T283] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.414487][ T283] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.414797][ T283] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.415118][ T283] ? _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) 
[ 23.415434][ T283] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.415748][ T283] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.416067][ T283] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.416464][ T283] ___sys_sendmsg (net/socket.c:2670) 
[ 23.416771][ T283] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.417095][ T283] ? __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) 
[ 23.417484][ T283] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.417818][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.418147][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.418464][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.418775][ T283] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.419092][ T283] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.419419][ T283] __sys_sendmsg (net/socket.c:2700) 
[ 23.419738][ T283] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.420131][ T283] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.420453][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.420763][ T283] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.421084][ T283] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.421480][  T283] RIP: 0033:0x7f37361a31e7
[ 23.421817][ T283] 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)
[   23.422939][  T283] RSP: 002b:00007fff97fd80e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.423406][  T283] RAX: ffffffffffffffda RBX: 00007fff97fd8810 RCX: 00007f37361a31e7
[   23.423900][  T283] RDX: 0000000000000000 RSI: 00007fff97fd8150 RDI: 0000000000000005
[   23.424363][  T283] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   23.424826][  T283] R10: 0000000026959910 R11: 0000000000000246 R12: 0000000000000003
[   23.425300][  T283] R13: 00000000686e75f8 R14: 0000000000499600 R15: 0000000000000000
| [   37.700672][  T363] ------------[ cut here ]------------
| [ 37.702195][ T363] WARNING: CPU: 2 PID: 363 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) 
| [   37.702892][  T363] Modules linked in: ip_vs_rr bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   37.704251][  T363] Tainted: [W]=WARN
[   37.704503][  T363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.704930][ T363] 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) 
[ 37.705271][ T363] 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
[   37.706420][  T363] RSP: 0018:ffffc90000906ef0 EFLAGS: 00010246
[   37.706830][  T363] RAX: 0000000000000000 RBX: ffff88800ab4a000 RCX: 0000000000000001
[   37.707323][  T363] RDX: 0000000000000000 RSI: ffffffffb4a9f52e RDI: ffffffffb425a5a0
[   37.707808][  T363] RBP: ffffc90000906fe0 R08: 0000000000000000 R09: 0000000000000000
[   37.708320][  T363] R10: ffffc90000907010 R11: ffffffffb4f798a0 R12: 1ffff92000120de2
[   37.708802][  T363] R13: 00000000000005dc R14: ffffc90000907010 R15: ffff88800ab4af08
[   37.709302][  T363] FS:  00007f1cb1c8c800(0000) GS:ffff8880787a7000(0000) knlGS:0000000000000000
[   37.709874][  T363] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.710289][  T363] CR2: 00000000004e6888 CR3: 0000000004da8001 CR4: 0000000000772ef0
[   37.710784][  T363] PKRU: 55555554
[   37.711044][  T363] Call Trace:
[   37.711295][  T363]  <TASK>
[ 37.711506][ T363] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.711907][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.712244][ T363] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.712578][ T363] netif_set_mtu (net/core/dev.c:9652) 
[ 37.712917][ T363] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.713265][ T363] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.713516][ T363] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 37.713980][ T363] br_add_if (net/bridge/br_if.c:697) bridge 
[ 37.714346][ T363] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 37.714679][ T363] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.715018][ T363] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.715437][ T363] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.715762][ T363] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.716112][ T363] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.716448][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.716779][ T363] ? __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) 
[ 37.717120][ T363] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.717521][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.717866][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.718190][ T363] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.718510][ T363] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.718834][ T363] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.719165][ T363] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.719489][ T363] ? __create_object (mm/kmemleak.c:771) 
[ 37.719817][ T363] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.720167][ T363] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.720504][ T363] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.720913][ T363] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.721243][ T363] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.721591][ T363] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.721921][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.722250][ T363] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.722572][ T363] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.722906][ T363] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.723243][ T363] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.723566][ T363] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.723913][ T363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.724285][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.724613][ T363] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.724967][ T363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.725293][ T363] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.725643][ T363] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.726005][ T363] ? 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) 
[ 37.726331][ T363] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.726655][ T363] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.726994][ T363] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.727324][ T363] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.727647][ T363] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.728014][ T363] ? _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) 
[ 37.728349][ T363] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.728678][ T363] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.729014][ T363] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.729427][ T363] ___sys_sendmsg (net/socket.c:2670) 
[ 37.729747][ T363] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.730079][ T363] ? __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) 
[ 37.730488][ T363] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.730812][ T363] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.731152][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.731528][ T363] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.731876][ T363] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.732200][ T363] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.732530][ T363] __sys_sendmsg (net/socket.c:2700) 
[ 37.732873][ T363] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.733287][ T363] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.733623][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.733960][ T363] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.734289][ T363] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.734684][  T363] RIP: 0033:0x7f1cb1e591e7
[ 37.735036][ T363] 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)
[   37.736207][  T363] RSP: 002b:00007ffd766a6128 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.736691][  T363] RAX: ffffffffffffffda RBX: 00007ffd766a6850 RCX: 00007f1cb1e591e7
[   37.737193][  T363] RDX: 0000000000000000 RSI: 00007ffd766a6190 RDI: 0000000000000005
[   37.737675][  T363] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   37.738163][  T363] R10: 000000003e095910 R11: 0000000000000246 R12: 0000000000000003
[   37.738641][  T363] R13: 00000000686e7606 R14: 0000000000499600 R15: 0000000000000000
| [   38.005117][  T364] ------------[ cut here ]------------
| [ 38.005434][ T364] WARNING: CPU: 1 PID: 364 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.007617][  T364] Modules linked in: ip_vs_rr bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   38.008991][  T364] Tainted: [W]=WARN
[   38.009248][  T364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.009632][ T364] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.009961][ T364] 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
[   38.011119][  T364] RSP: 0018:ffffc90000916ef0 EFLAGS: 00010246
[   38.011527][  T364] RAX: 0000000000000000 RBX: ffff88800ab4a000 RCX: 0000000000000001
[   38.012002][  T364] RDX: 0000000000000000 RSI: ffffffffb4a9f52e RDI: ffffffffb425a5a0
[   38.012475][  T364] RBP: ffffc90000916fe0 R08: 0000000000000000 R09: 0000000000000000
[   38.012950][  T364] R10: ffffc90000917010 R11: ffffffffb58b19b8 R12: 1ffff92000122de2
[   38.013415][  T364] R13: 00000000000005dc R14: ffffc90000917010 R15: ffff88800ab4af08
[   38.013887][  T364] FS:  00007efcf0f67800(0000) GS:ffff888078727000(0000) knlGS:0000000000000000
[   38.014436][  T364] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.014831][  T364] CR2: 00000000004e6888 CR3: 000000000c46e002 CR4: 0000000000772ef0
[   38.015307][  T364] PKRU: 55555554
[   38.015539][  T364] Call Trace:
[   38.015801][  T364]  <TASK>
[ 38.015974][ T364] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.016284][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.016613][ T364] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 38.016953][ T364] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 38.017339][ T364] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 38.017653][ T364] netif_set_mtu (net/core/dev.c:9652) 
[ 38.017975][ T364] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.018298][ T364] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 38.018770][ T364] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.019022][ T364] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.019443][ T364] br_add_if (net/bridge/br_if.c:697) bridge 
[ 38.019820][ T364] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 38.020147][ T364] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.020463][ T364] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.020875][ T364] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.021195][ T364] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.021516][ T364] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.021831][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.022154][ T364] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.022490][ T364] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.022885][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.023199][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.023534][ T364] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.023875][ T364] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.024191][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.024504][ T364] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.024871][ T364] ? __create_object (mm/kmemleak.c:771) 
[ 38.025191][ T364] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.025503][ T364] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.025817][ T364] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.026332][ T364] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.026654][ T364] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.026980][ T364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.027314][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.027633][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.027952][ T364] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.028263][ T364] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.028575][ T364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.028901][ T364] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.029217][ T364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.029557][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.029887][ T364] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.030250][ T364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.030561][ T364] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.030922][ T364] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.031234][ T364] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.031574][ T364] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 38.031901][ T364] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.032222][ T364] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.032537][ T364] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.032882][ T364] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.033196][ T364] ? _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) 
[ 38.033522][ T364] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.033832][ T364] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.034152][ T364] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.034577][ T364] ___sys_sendmsg (net/socket.c:2670) 
[ 38.034891][ T364] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.035201][ T364] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.035616][ T364] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.035947][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.036259][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.036572][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.036899][ T364] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.037209][ T364] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.037524][ T364] __sys_sendmsg (net/socket.c:2700) 
[ 38.037835][ T364] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.038236][ T364] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.038561][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.038883][ T364] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.039200][ T364] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.039581][  T364] RIP: 0033:0x7efcf11341e7
[ 38.039910][ T364] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.041033][  T364] RSP: 002b:00007ffd7a5887e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.041517][  T364] RAX: ffffffffffffffda RBX: 00007ffd7a588f10 RCX: 00007efcf11341e7
[   38.041992][  T364] RDX: 0000000000000000 RSI: 00007ffd7a588850 RDI: 0000000000000005
[   38.042456][  T364] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   38.042934][  T364] R10: 00000000291d9910 R11: 0000000000000246 R12: 0000000000000003
[   38.043395][  T364] R13: 00000000686e7606 R14: 0000000000499600 R15: 0000000000000000
| [   43.616051][  T384] ------------[ cut here ]------------
| [ 43.616383][ T384] WARNING: CPU: 1 PID: 384 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) 
| [   43.617584][  T384] Modules linked in: ip_vs_rr bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   43.618985][  T384] Tainted: [W]=WARN
[   43.619230][  T384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.619642][ T384] 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) 
[ 43.619986][ T384] 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
[   43.621152][  T384] RSP: 0018:ffffc90000a36e80 EFLAGS: 00010246
[   43.621581][  T384] RAX: 0000000000000000 RBX: ffff88800ab4a000 RCX: 0000000000000001
[   43.622077][  T384] RDX: 0000000000000000 RSI: ffffffffb4a9f52e RDI: ffffffffb425a5a0
[   43.622554][  T384] RBP: ffffc90000a36f68 R08: 0000000000000000 R09: 0000000000000000
[   43.623046][  T384] R10: ffffc90000a36f98 R11: ffffffffb3e20d81 R12: 1ffff92000146dd4
[   43.623526][  T384] R13: 00000000000005dc R14: ffffc90000a36f98 R15: ffff88800ab4af08
[   43.624018][  T384] FS:  00007fb3c39ba800(0000) GS:ffff888078727000(0000) knlGS:0000000000000000
[   43.624581][  T384] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.625000][  T384] CR2: 00000000004e6a30 CR3: 000000000b19a001 CR4: 0000000000772ef0
[   43.625485][  T384] PKRU: 55555554
[   43.625727][  T384] Call Trace:
[   43.625979][  T384]  <TASK>
[ 43.626145][ T384] ? __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) 
[ 43.626549][ T384] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 43.626927][ T384] ? br_device_event (net/bridge/br.c:141) bridge 
[ 43.627274][ T384] ? notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 43.627605][ T384] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.627943][ T384] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.628271][ T384] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 43.628587][ T384] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.628922][ T384] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.629243][ T384] ? ___sys_sendmsg (net/socket.c:2670) 
[ 43.629564][ T384] ? __sys_sendmsg (net/socket.c:2700) 
[ 43.629899][ T384] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.630223][ T384] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 43.630634][ T384] netif_set_mtu (net/core/dev.c:9652) 
[ 43.630963][ T384] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 43.631300][ T384] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 43.631554][ T384] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 43.631998][ T384] br_del_if (net/bridge/br_if.c:743) bridge 
[ 43.632348][ T384] br_device_event (net/bridge/br.c:141) bridge 
[ 43.632698][ T384] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 43.633135][ T384] ? ip_vs_dst_event (./include/net/net_namespace.h:409 ./include/linux/netdevice.h:2714 net/netfilter/ipvs/ip_vs_ctl.c:1770) ip_vs 
[ 43.633493][ T384] notifier_call_chain (kernel/notifier.c:87 (discriminator 2)) 
[ 43.633824][ T384] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 43.634272][ T384] ? 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) 
[ 43.634600][ T384] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 43.635016][ T384] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 43.635423][ T384] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 43.635825][ T384] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 43.636243][ T384] rtnl_dellink (net/core/rtnetlink.c:3515 net/core/rtnetlink.c:3555) 
[ 43.636567][ T384] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3521) 
[ 43.636950][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.637280][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.637614][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.637944][ T384] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.638261][ T384] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.638583][ T384] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3521) 
[ 43.638914][ T384] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.639237][ T384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.639560][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.639893][ T384] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.640216][ T384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.640538][ T384] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.640886][ T384] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.641206][ T384] ? 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) 
[ 43.641536][ T384] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 43.641875][ T384] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.642201][ T384] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.642528][ T384] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.642862][ T384] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.643187][ T384] ? _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) 
[ 43.643512][ T384] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.643833][ T384] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.644166][ T384] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.644582][ T384] ___sys_sendmsg (net/socket.c:2670) 
[ 43.644917][ T384] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.645242][ T384] ? __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) 
[ 43.645639][ T384] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.645976][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.646300][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.646668][ T384] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.646998][ T384] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.647326][ T384] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.647656][ T384] __sys_sendmsg (net/socket.c:2700) 
[ 43.648006][ T384] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.648407][ T384] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.648741][ T384] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.649082][ T384] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.649410][ T384] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.649810][  T384] RIP: 0033:0x7fb3c3b871e7
[ 43.650153][ T384] 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)
[   43.651318][  T384] RSP: 002b:00007ffd3d9825e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.651821][  T384] RAX: ffffffffffffffda RBX: 00007ffd3d982d10 RCX: 00007fb3c3b871e7
[   43.652318][  T384] RDX: 0000000000000000 RSI: 00007ffd3d982650 RDI: 0000000000000005
[   43.652801][  T384] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[   43.653298][  T384] R10: 00007fb3c3a84ee8 R11: 0000000000000246 R12: 0000000000000001
[   43.653779][  T384] R13: 00000000686e760c R14: 0000000000499600 R15: 0000000000000000
| [   51.874198][  T443] ------------[ cut here ]------------
| [ 51.874646][ T443] WARNING: CPU: 2 PID: 443 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) 
| [   51.875440][  T443] Modules linked in: ip_vs_rr bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   51.877143][  T443] Tainted: [W]=WARN
[   51.877536][  T443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 51.878177][ T443] 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) 
[ 51.878661][ T443] 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
[   51.879956][  T443] RSP: 0018:ffffc90000e16ef0 EFLAGS: 00010246
[   51.880507][  T443] RAX: 0000000000000000 RBX: ffff88800c71a000 RCX: 0000000000000001
[   51.881178][  T443] RDX: 0000000000000000 RSI: ffffffffb4a9f52e RDI: ffffffffb425a5a0
[   51.881730][  T443] RBP: ffffc90000e16fe0 R08: 0000000000000000 R09: 0000000000000000
[   51.882227][  T443] R10: ffffc90000e17010 R11: ffffffffb4f798a0 R12: 1ffff920001c2de2
[   51.882705][  T443] R13: 00000000000005dc R14: ffffc90000e17010 R15: ffff88800c71af08
[   51.883191][  T443] FS:  00007f896b307800(0000) GS:ffff8880787a7000(0000) knlGS:0000000000000000
[   51.883747][  T443] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.884164][  T443] CR2: 00000000004e6888 CR3: 000000000a255005 CR4: 0000000000772ef0
[   51.884642][  T443] PKRU: 55555554
[   51.884901][  T443] Call Trace:
[   51.885150][  T443]  <TASK>
[ 51.885323][ T443] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 51.885646][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.886009][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.886341][ T443] netif_set_mtu (net/core/dev.c:9652) 
[ 51.886664][ T443] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 51.887013][ T443] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 51.887262][ T443] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 51.887701][ T443] br_add_if (net/bridge/br_if.c:697) bridge 
[ 51.888077][ T443] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 51.888411][ T443] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 51.888737][ T443] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 51.889156][ T443] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 51.889479][ T443] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 51.889799][ T443] ? __kernel_text_address (kernel/extable.c:79) 
[ 51.890155][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.890490][ T443] ? __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) 
[ 51.890821][ T443] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 51.891230][ T443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.891566][ T443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.891901][ T443] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 51.892222][ T443] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 51.892547][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.892881][ T443] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 51.893207][ T443] ? __create_object (mm/kmemleak.c:771) 
[ 51.893532][ T443] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 51.893876][ T443] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 51.894204][ T443] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 51.894599][ T443] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 51.894937][ T443] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 51.895265][ T443] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 51.895587][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.895936][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.896261][ T443] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 51.896584][ T443] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 51.896922][ T443] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 51.897244][ T443] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 51.897565][ T443] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 51.897913][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.898261][ T443] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 51.898590][ T443] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 51.898923][ T443] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 51.899257][ T443] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 51.899578][ T443] ? 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) 
[ 51.899914][ T443] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 51.900237][ T443] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 51.900569][ T443] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 51.900905][ T443] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 51.901229][ T443] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 51.901559][ T443] ? _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) 
[ 51.901911][ T443] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 51.902235][ T443] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 51.902557][ T443] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 51.902974][ T443] ___sys_sendmsg (net/socket.c:2670) 
[ 51.903302][ T443] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 51.903622][ T443] ? __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) 
[ 51.904035][ T443] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 51.904361][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.904685][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.905021][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.905342][ T443] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 51.905667][ T443] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 51.906022][ T443] __sys_sendmsg (net/socket.c:2700) 
[ 51.906350][ T443] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 51.906745][ T443] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 51.907088][ T443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.907415][ T443] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 51.907738][ T443] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   51.908152][  T443] RIP: 0033:0x7f896b4d41e7
[ 51.908483][ T443] 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)
[   51.909606][  T443] RSP: 002b:00007ffd125793b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   51.910107][  T443] RAX: ffffffffffffffda RBX: 00007ffd12579ae0 RCX: 00007f896b4d41e7
[   51.910590][  T443] RDX: 0000000000000000 RSI: 00007ffd12579420 RDI: 0000000000000005
[   51.911074][  T443] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   51.911559][  T443] R10: 0000000032f21910 R11: 0000000000000246 R12: 0000000000000003
[   51.912043][  T443] R13: 00000000686e7614 R14: 0000000000499600 R15: 0000000000000000
| [   52.212618][  T444] ------------[ cut here ]------------
| [ 52.213231][ T444] WARNING: CPU: 0 PID: 444 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) 
| [   52.214649][  T444] Modules linked in: ip_vs_rr bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   52.216987][  T444] Tainted: [W]=WARN
[   52.217422][  T444] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 52.218180][ T444] 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) 
[ 52.218788][ T444] 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
[   52.220810][  T444] RSP: 0018:ffffc90000e26ef0 EFLAGS: 00010246
[   52.221592][  T444] RAX: 0000000000000000 RBX: ffff88800c71a000 RCX: 0000000000000001
[   52.222482][  T444] RDX: 0000000000000000 RSI: ffffffffb4a9f52e RDI: ffffffffb425a5a0
[   52.223331][  T444] RBP: ffffc90000e26fe0 R08: 0000000000000000 R09: 0000000000000000
[   52.224185][  T444] R10: ffffc90000e27010 R11: ffffffffb58b19b8 R12: 1ffff920001c4de2
[   52.225073][  T444] R13: 00000000000005dc R14: ffffc90000e27010 R15: ffff88800c71af08
[   52.225981][  T444] FS:  00007f583c35b800(0000) GS:ffff8880786a7000(0000) knlGS:0000000000000000
[   52.226995][  T444] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.227702][  T444] CR2: 00000000004e6888 CR3: 0000000009625006 CR4: 0000000000772ef0
[   52.228558][  T444] PKRU: 55555554
[   52.229026][  T444] Call Trace:
[   52.229419][  T444]  <TASK>
[ 52.229721][ T444] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 52.230320][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.230908][ T444] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 52.231473][ T444] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 52.232169][ T444] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 52.232747][ T444] netif_set_mtu (net/core/dev.c:9652) 
[ 52.233338][ T444] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 52.233973][ T444] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 52.234742][ T444] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 52.235190][ T444] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 52.235974][ T444] br_add_if (net/bridge/br_if.c:697) bridge 
[ 52.236614][ T444] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 52.237221][ T444] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 52.237783][ T444] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 52.238517][ T444] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 52.239087][ T444] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 52.239648][ T444] ? __kernel_text_address (kernel/extable.c:79) 
[ 52.240229][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.240808][ T444] ? __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) 
[ 52.241434][ T444] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 52.242153][ T444] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.242743][ T444] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.243324][ T444] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 52.243921][ T444] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 52.244482][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.245067][ T444] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 52.245624][ T444] ? __create_object (mm/kmemleak.c:771) 
[ 52.246200][ T444] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 52.246775][ T444] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 52.247372][ T444] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 52.248094][ T444] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 52.248685][ T444] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 52.249296][ T444] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.249907][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.250460][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.251025][ T444] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 52.251557][ T444] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.251901][ T444] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.252229][ T444] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 52.252555][ T444] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.252909][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.253249][ T444] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 52.253578][ T444] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.253910][ T444] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 52.254254][ T444] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 52.254576][ T444] ? 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) 
[ 52.254911][ T444] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 52.255239][ T444] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 52.255568][ T444] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.255905][ T444] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 52.256237][ T444] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 52.256564][ T444] ? _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) 
[ 52.256916][ T444] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.257249][ T444] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 52.257573][ T444] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 52.258000][ T444] ___sys_sendmsg (net/socket.c:2670) 
[ 52.258323][ T444] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 52.258647][ T444] ? __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) 
[ 52.259070][ T444] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 52.259400][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.259727][ T444] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.260062][ T444] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.260385][ T444] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 52.260709][ T444] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.261059][ T444] __sys_sendmsg (net/socket.c:2700) 
[ 52.261418][ T444] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 52.261824][ T444] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 52.262173][ T444] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.262501][ T444] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.262827][ T444] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   52.263237][  T444] RIP: 0033:0x7f583c5281e7
[ 52.263572][ T444] 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)
[   52.264743][  T444] RSP: 002b:00007ffdedb5d818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   52.265253][  T444] RAX: ffffffffffffffda RBX: 00007ffdedb5df40 RCX: 00007f583c5281e7
[   52.265743][  T444] RDX: 0000000000000000 RSI: 00007ffdedb5d880 RDI: 0000000000000005
[   52.266245][  T444] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   52.266732][  T444] R10: 0000000012c39910 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if