======================================
| [   19.023908][  T302] veth1: entered promiscuous mode
| [   19.026180][  T302] ------------[ cut here ]------------
| [ 19.026553][ T302] WARNING: CPU: 2 PID: 302 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) 
| [   19.027229][  T302] Modules linked in: bridge stp llc sch_ingress vrf veth
[   19.028516][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.028930][ T302] 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) 
[ 19.029263][ T302] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   19.030396][  T302] RSP: 0018:ffffc90000526ef0 EFLAGS: 00010246
[   19.030815][  T302] RAX: 0000000000000000 RBX: ffff888004d4a000 RCX: 0000000000000001
[   19.031474][  T302] RDX: 0000000000000000 RSI: ffffffffa7c9b941 RDI: ffffffffa74555e0
[   19.031964][  T302] RBP: ffffc90000526fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.032443][  T302] R10: ffffc90000527010 R11: ffffffffa8aa8918 R12: 1ffff920000a4de2
[   19.032944][  T302] R13: 00000000000005dc R14: ffffc90000527010 R15: ffff888004d4af08
[   19.033424][  T302] FS:  00007ff48f8d5800(0000) GS:ffff8880857b7000(0000) knlGS:0000000000000000
[   19.033996][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.034402][  T302] CR2: 00000000004e5aa8 CR3: 000000000e491003 CR4: 0000000000772ef0
[   19.034900][  T302] PKRU: 55555554
[   19.035147][  T302] Call Trace:
[   19.035402][  T302]  <TASK>
[ 19.035578][ T302] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.035918][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.036255][ T302] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.036591][ T302] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.037007][ T302] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.037332][ T302] netif_set_mtu (net/core/dev.c:9652) 
[ 19.037654][ T302] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.038004][ T302] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.038447][ T302] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.038712][ T302] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.039148][ T302] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.039528][ T302] do_set_master (net/core/rtnetlink.c:2948) 
[ 19.039869][ T302] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.040211][ T302] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.040619][ T302] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.040985][ T302] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.041324][ T302] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.041666][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.042014][ T302] ? __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) 
[ 19.042336][ T302] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.042741][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.043064][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.043384][ T302] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.043720][ T302] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.044041][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.044356][ T302] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.044671][ T302] ? __create_object (mm/kmemleak.c:771) 
[ 19.045006][ T302] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.045325][ T302] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.045649][ T302] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.046058][ T302] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.046386][ T302] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.046722][ T302] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.047038][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.047361][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.047680][ T302] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.048005][ T302] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.048326][ T302] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.048646][ T302] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.048977][ T302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.049298][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.049628][ T302] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.049959][ T302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.050295][ T302] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.050627][ T302] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.050963][ T302] ? 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) 
[ 19.051285][ T302] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.051609][ T302] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.051939][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.052266][ T302] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.052587][ T302] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.052921][ T302] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.053256][ T302] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.053583][ T302] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.053910][ T302] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.054316][ T302] ___sys_sendmsg (net/socket.c:2670) 
[ 19.054631][ T302] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.054961][ T302] ? __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) 
[ 19.055359][ T302] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.055699][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.056029][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.056356][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.056682][ T302] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.057036][ T302] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.057362][ T302] __sys_sendmsg (net/socket.c:2700) 
[ 19.057678][ T302] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.058089][ T302] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.058421][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.058756][ T302] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.059080][ T302] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.059468][  T302] RIP: 0033:0x7ff48faa21e7
[ 19.059809][ T302] 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)
[   19.060943][  T302] RSP: 002b:00007ffd99b76d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.061698][  T302] RAX: ffffffffffffffda RBX: 00007ffd99b77450 RCX: 00007ff48faa21e7
[   19.062169][  T302] RDX: 0000000000000000 RSI: 00007ffd99b76d90 RDI: 0000000000000005
[   19.062658][  T302] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.063365][  T302] R10: 000000003b0b1910 R11: 0000000000000246 R12: 0000000000000004
[   19.063846][  T302] R13: 00000000686e4016 R14: 0000000000499600 R15: 0000000000000000
| [   19.305546][  T305] ------------[ cut here ]------------
| [ 19.305908][ T305] WARNING: CPU: 3 PID: 305 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) 
| [   19.306543][  T305] Modules linked in: bridge stp llc sch_ingress vrf veth
| [   19.307604][  T305] Tainted: [W]=WARN
[   19.308000][  T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.308391][ T305] 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) 
[ 19.309009][ T305] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   19.310428][  T305] RSP: 0018:ffffc90000b36ef0 EFLAGS: 00010246
[   19.311026][  T305] RAX: 0000000000000000 RBX: ffff888004d4a000 RCX: 0000000000000001
[   19.311511][  T305] RDX: 0000000000000000 RSI: ffffffffa7c9b941 RDI: ffffffffa74555e0
[   19.312142][  T305] RBP: ffffc90000b36fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.312598][  T305] R10: ffffc90000b37010 R11: ffffffffa8aa8918 R12: 1ffff92000166de2
[   19.313259][  T305] R13: 00000000000005dc R14: ffffc90000b37010 R15: ffff888004d4af08
[   19.313938][  T305] FS:  00007f90140c8800(0000) GS:ffff888085837000(0000) knlGS:0000000000000000
[   19.314466][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.315026][  T305] CR2: 00000000004e5ab0 CR3: 00000000052c1005 CR4: 0000000000772ef0
[   19.315498][  T305] PKRU: 55555554
[   19.315802][  T305] Call Trace:
[   19.316032][  T305]  <TASK>
[ 19.316193][ T305] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.316505][ T305] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.316827][ T305] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.317140][ T305] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.317518][ T305] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.317839][ T305] netif_set_mtu (net/core/dev.c:9652) 
[ 19.318157][ T305] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.318481][ T305] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.318918][ T305] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.319149][ T305] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.319585][ T305] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.320124][ T305] do_set_master (net/core/rtnetlink.c:2948) 
[ 19.320439][ T305] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.320758][ T305] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.321147][ T305] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.321454][ T305] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.321769][ T305] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.322086][ T305] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.322391][ T305] ? __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) 
[ 19.322709][ T305] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.323088][ T305] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.323392][ T305] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.323703][ T305] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.324006][ T305] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.324310][ T305] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.324614][ T305] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.324922][ T305] ? __create_object (mm/kmemleak.c:771) 
[ 19.325229][ T305] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.325534][ T305] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.325847][ T305] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.326224][ T305] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.326534][ T305] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.326850][ T305] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.327152][ T305] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.327460][ T305] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.327772][ T305] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.328077][ T305] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.328381][ T305] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.328681][ T305] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.328995][ T305] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.329304][ T305] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.329612][ T305] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.329924][ T305] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.330249][ T305] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.330563][ T305] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.330875][ T305] ? 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) 
[ 19.331182][ T305] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.331487][ T305] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.331798][ T305] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.332109][ T305] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.332417][ T305] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.332746][ T305] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.333058][ T305] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.333368][ T305] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.333667][ T305] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.334067][ T305] ___sys_sendmsg (net/socket.c:2670) 
[ 19.334374][ T305] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.334683][ T305] ? __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) 
[ 19.335073][ T305] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.335382][ T305] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.335697][ T305] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.336005][ T305] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.336311][ T305] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.336615][ T305] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.336936][ T305] __sys_sendmsg (net/socket.c:2700) 
[ 19.337240][ T305] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.337616][ T305] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.337943][ T305] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.338251][ T305] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.338555][ T305] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.338947][  T305] RIP: 0033:0x7f90142951e7
[ 19.339261][ T305] 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)
[   19.340386][  T305] RSP: 002b:00007ffff4d958d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.340854][  T305] RAX: ffffffffffffffda RBX: 00007ffff4d96000 RCX: 00007f90142951e7
[   19.341307][  T305] RDX: 0000000000000000 RSI: 00007ffff4d95940 RDI: 0000000000000005
[   19.341778][  T305] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.342231][  T305] R10: 00000000165cc910 R11: 0000000000000246 R12: 0000000000000004
[   19.342684][  T305] R13: 00000000686e4017 R14: 0000000000499600 R15: 0000000000000000
| [   42.142944][  T507] ------------[ cut here ]------------
| [ 42.143269][ T507] WARNING: CPU: 3 PID: 507 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) 
| [   42.143905][  T507] Modules linked in: act_gact act_pedit cls_flower bridge stp llc sch_ingress vrf veth
| [   42.145088][  T507] Tainted: [W]=WARN
[   42.145329][  T507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.145717][ T507] 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) 
[ 42.146036][ T507] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   42.147130][  T507] RSP: 0018:ffffc90000d4ef70 EFLAGS: 00010246
[   42.147513][  T507] RAX: 0000000000000000 RBX: ffff888004d4a000 RCX: 0000000000000001
[   42.147976][  T507] RDX: 0000000000000000 RSI: ffffffffa7c9b941 RDI: ffffffffa74555e0
[   42.148435][  T507] RBP: ffffc90000d4f058 R08: 0000000000000000 R09: 0000000000000000
[   42.149045][  T507] R10: ffffc90000d4f088 R11: ffffffffa4000130 R12: 1ffff920001a9df2
[   42.149503][  T507] R13: 00000000000005dc R14: ffffc90000d4f088 R15: ffff888004d4af08
[   42.150115][  T507] FS:  00007f61b1b80800(0000) GS:ffff888085837000(0000) knlGS:0000000000000000
[   42.150657][  T507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.151367][  T507] CR2: 00000000004e5ab0 CR3: 000000000998d004 CR4: 0000000000772ef0
[   42.151898][  T507] PKRU: 55555554
[   42.152130][  T507] Call Trace:
[   42.152360][  T507]  <TASK>
[ 42.152514][ T507] ? __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) 
[ 42.152917][ T507] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 42.153275][ T507] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 42.153577][ T507] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 42.153892][ T507] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.154195][ T507] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.154500][ T507] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.154809][ T507] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.155114][ T507] ? ___sys_sendmsg (net/socket.c:2670) 
[ 42.155416][ T507] ? __sys_sendmsg (net/socket.c:2700) 
[ 42.155727][ T507] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.156030][ T507] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 42.156407][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.156730][ T507] netif_set_mtu (net/core/dev.c:9652) 
[ 42.157036][ T507] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 42.157357][ T507] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 42.157587][ T507] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 42.158012][ T507] br_del_if (net/bridge/br_if.c:743) bridge 
[ 42.158349][ T507] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 42.158653][ T507] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 42.158970][ T507] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 42.159278][ T507] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.159666][ T507] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.159976][ T507] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.160297][ T507] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.160605][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.160924][ T507] ? __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) 
[ 42.161229][ T507] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.161606][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.161921][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.162223][ T507] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.162527][ T507] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.162839][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.163145][ T507] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.163445][ T507] ? __create_object (mm/kmemleak.c:771) 
[ 42.163756][ T507] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.164062][ T507] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.164370][ T507] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.164757][ T507] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.165069][ T507] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.165376][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.165678][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.166015][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.166317][ T507] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.166616][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.166928][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.167228][ T507] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.167535][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.167851][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.168160][ T507] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.168462][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.168775][ T507] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.169096][ T507] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.169396][ T507] ? 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) 
[ 42.169711][ T507] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.170019][ T507] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.170331][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.170642][ T507] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.170956][ T507] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.171261][ T507] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.171571][ T507] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.171890][ T507] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.172192][ T507] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.172580][ T507] ___sys_sendmsg (net/socket.c:2670) 
[ 42.172894][ T507] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.173198][ T507] ? __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) 
[ 42.173574][ T507] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.173888][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.174195][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.174501][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.174811][ T507] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.175116][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.175423][ T507] __sys_sendmsg (net/socket.c:2700) 
[ 42.175728][ T507] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.176100][ T507] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.176420][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.176732][ T507] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.177036][ T507] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.177408][  T507] RIP: 0033:0x7f61b1d4d1e7
[ 42.177727][ T507] 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)
[   42.178824][  T507] RSP: 002b:00007ffcc030db98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.179281][  T507] RAX: ffffffffffffffda RBX: 00007ffcc030e2c0 RCX: 00007f61b1d4d1e7
[   42.179739][  T507] RDX: 0000000000000000 RSI: 00007ffcc030dc00 RDI: 0000000000000005
[   42.180200][  T507] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   42.180657][  T507] R10: 00007f61b1c4aee8 R11: 0000000000000246 R12: 0000000000000003
[   42.181124][  T507] R13: 00000000686e402d R14: 0000000000499600 R15: 0000000000000000
| [   42.434892][  T509] ------------[ cut here ]------------
| [ 42.435221][ T509] WARNING: CPU: 3 PID: 509 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) 
| [   42.436250][  T509] Modules linked in: act_gact act_pedit cls_flower bridge stp llc sch_ingress vrf veth
| [   42.437447][  T509] Tainted: [W]=WARN
[   42.437679][  T509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.438069][ T509] 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) 
[ 42.438382][ T509] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   42.439485][  T509] RSP: 0018:ffffc90000ccef70 EFLAGS: 00010246
[   42.439884][  T509] RAX: 0000000000000000 RBX: ffff888004d4a000 RCX: 0000000000000001
[   42.440352][  T509] RDX: 0000000000000000 RSI: ffffffffa7c9b941 RDI: ffffffffa74555e0
[   42.440821][  T509] RBP: ffffc90000ccf058 R08: 0000000000000000 R09: 0000000000000000
[   42.441273][  T509] R10: ffffc90000ccf088 R11: ffffffffa8179160 R12: 1ffff92000199df2
[   42.441736][  T509] R13: 00000000000005dc R14: ffffc90000ccf088 R15: ffff888004d4af08
[   42.442191][  T509] FS:  00007f061f5b0800(0000) GS:ffff888085837000(0000) knlGS:0000000000000000
[   42.442732][  T509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.443114][  T509] CR2: 00000000004e5aa8 CR3: 00000000029f3006 CR4: 0000000000772ef0
[   42.443572][  T509] PKRU: 55555554
[   42.443813][  T509] Call Trace:
[   42.444046][  T509]  <TASK>
[ 42.444199][ T509] ? __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) 
[ 42.444576][ T509] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 42.444934][ T509] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 42.445237][ T509] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 42.445539][ T509] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.445849][ T509] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.446154][ T509] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.446454][ T509] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.446767][ T509] ? ___sys_sendmsg (net/socket.c:2670) 
[ 42.447072][ T509] ? __sys_sendmsg (net/socket.c:2700) 
[ 42.447380][ T509] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.447682][ T509] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 42.448066][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.448377][ T509] netif_set_mtu (net/core/dev.c:9652) 
[ 42.448679][ T509] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 42.449027][ T509] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 42.449258][ T509] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 42.449681][ T509] br_del_if (net/bridge/br_if.c:743) bridge 
[ 42.450031][ T509] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 42.450341][ T509] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 42.450646][ T509] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 42.450961][ T509] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.451345][ T509] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.451648][ T509] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.451964][ T509] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.452272][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.452578][ T509] ? __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) 
[ 42.452889][ T509] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.453266][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.453569][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.453915][ T509] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.454223][ T509] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.454532][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.454842][ T509] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.455144][ T509] ? __create_object (mm/kmemleak.c:771) 
[ 42.455449][ T509] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.455761][ T509] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.456063][ T509] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.456438][ T509] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.456768][ T509] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.457079][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.457382][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.457698][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.458002][ T509] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.458302][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.458607][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.458917][ T509] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.459228][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.459535][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.459854][ T509] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.460163][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.460466][ T509] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.460786][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.461085][ T509] ? 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) 
[ 42.461395][ T509] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.461708][ T509] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.462008][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.462314][ T509] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.462619][ T509] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.462940][ T509] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.463262][ T509] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.463576][ T509] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.463888][ T509] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.464275][ T509] ___sys_sendmsg (net/socket.c:2670) 
[ 42.464575][ T509] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.464883][ T509] ? __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) 
[ 42.465259][ T509] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.465565][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.465883][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.466192][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.466496][ T509] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.466806][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.467117][ T509] __sys_sendmsg (net/socket.c:2700) 
[ 42.467416][ T509] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.467797][ T509] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.468117][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.468419][ T509] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.468732][ T509] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.469107][  T509] RIP: 0033:0x7f061f77d1e7
[ 42.469464][ T509] 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)
[   42.470595][  T509] RSP: 002b:00007ffe4a504368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.471063][  T509] RAX: ffffffffffffffda RBX: 00007ffe4a504a90 RCX: 00007f061f77d1e7
[   42.471518][  T509] RDX: 0000000000000000 RSI: 00007ffe4a5043d0 RDI: 0000000000000005
[   42.471983][  T509] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   42.472445][  T509] R10: 00007f061f67aee8 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