======================================
| [   23.250780][  T346] br1: port 1(vx100) entered forwarding state
| [   23.251913][  T346] ------------[ cut here ]------------
| [ 23.252226][ T346] WARNING: CPU: 0 PID: 346 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) 
| [   23.252992][  T346] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.254950][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.255365][ T346] 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) 
[ 23.255705][ T346] 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
[   23.256877][  T346] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[   23.257292][  T346] RAX: 0000000000000000 RBX: ffff888009732000 RCX: 0000000000000001
[   23.257792][  T346] RDX: 0000000000000000 RSI: ffffffffb569b941 RDI: ffffffffb4e555e0
[   23.258283][  T346] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.258783][  T346] R10: ffffc90000597010 R11: ffffffffb64a8918 R12: 1ffff920000b2de2
[   23.259275][  T346] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff888009732f08
[   23.259810][  T346] FS:  00007fc40e2a8800(0000) GS:ffff88807eab7000(0000) knlGS:0000000000000000
[   23.260378][  T346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.260821][  T346] CR2: 00000000004e6890 CR3: 000000000c5dc002 CR4: 0000000000772ef0
[   23.261316][  T346] PKRU: 55555554
[   23.261564][  T346] Call Trace:
[   23.261817][  T346]  <TASK>
[ 23.261991][ T346] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.262322][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.262658][ T346] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.263001][ T346] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.263410][ T346] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.263741][ T346] netif_set_mtu (net/core/dev.c:9652) 
[ 23.264080][ T346] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.264422][ T346] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.264888][ T346] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.265136][ T346] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.265589][ T346] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.265970][ T346] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.266312][ T346] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.266646][ T346] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.267069][ T346] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.267398][ T346] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.267735][ T346] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.268077][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.268406][ T346] ? __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) 
[ 23.268733][ T346] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.269144][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.269466][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.269833][ T346] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.270189][ T346] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.270511][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.270841][ T346] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.271163][ T346] ? __create_object (mm/kmemleak.c:771) 
[ 23.271490][ T346] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.271831][ T346] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.272162][ T346] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.272558][ T346] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.272901][ T346] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.273226][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.273811][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.274139][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.274679][ T346] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.275007][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.275341][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.275662][ T346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.275999][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.276321][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.276646][ T346] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.276976][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.277299][ T346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.277629][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.277948][ T346] ? 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) 
[ 23.278274][ T346] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.278833][ T346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.279152][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.279477][ T346] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.279823][ T346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.280146][ T346] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.280473][ T346] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.280812][ T346] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.281132][ T346] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.281555][ T346] ___sys_sendmsg (net/socket.c:2670) 
[ 23.282112][ T346] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.282440][ T346] ? __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) 
[ 23.282856][ T346] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.283189][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.283746][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.284080][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.284405][ T346] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.284726][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.285109][ T346] __sys_sendmsg (net/socket.c:2700) 
[ 23.285430][ T346] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.285840][ T346] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.286182][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.286507][ T346] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.286838][ T346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.287459][  T346] RIP: 0033:0x7fc40e4751e7
[ 23.287803][ T346] 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)
[   23.289206][  T346] RSP: 002b:00007ffcd129d9a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.289711][  T346] RAX: ffffffffffffffda RBX: 00007ffcd129e0d0 RCX: 00007fc40e4751e7
[   23.290428][  T346] RDX: 0000000000000000 RSI: 00007ffcd129da10 RDI: 0000000000000005
[   23.290930][  T346] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.291421][  T346] R10: 0000000018dd2910 R11: 0000000000000246 R12: 0000000000000004
[   23.292145][  T346] R13: 00000000686e1561 R14: 0000000000499600 R15: 0000000000000000
| [   23.542968][  T348] ------------[ cut here ]------------
| [ 23.543428][ T348] WARNING: CPU: 0 PID: 348 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) 
| [   23.544185][  T348] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.546244][  T348] Tainted: [W]=WARN
[   23.546661][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.547378][ T348] 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) 
[ 23.547925][ T348] 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
[   23.549454][  T348] RSP: 0018:ffffc90000576ef0 EFLAGS: 00010246
[   23.549923][  T348] RAX: 0000000000000000 RBX: ffff888009732000 RCX: 0000000000000001
[   23.550383][  T348] RDX: 0000000000000000 RSI: ffffffffb569b941 RDI: ffffffffb4e555e0
[   23.550854][  T348] RBP: ffffc90000576fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.551308][  T348] R10: ffffc90000577010 R11: ffffffffb64a8918 R12: 1ffff920000aede2
[   23.551775][  T348] R13: 00000000000005dc R14: ffffc90000577010 R15: ffff888009732f08
[   23.552231][  T348] FS:  00007f992a3a5800(0000) GS:ffff88807eab7000(0000) knlGS:0000000000000000
[   23.552784][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.553172][  T348] CR2: 00000000004e5aa8 CR3: 0000000005044004 CR4: 0000000000772ef0
[   23.553699][  T348] PKRU: 55555554
[   23.553949][  T348] Call Trace:
[   23.554193][  T348]  <TASK>
[ 23.554361][ T348] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.554686][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.555028][ T348] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.555349][ T348] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.555760][ T348] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.556100][ T348] netif_set_mtu (net/core/dev.c:9652) 
[ 23.556423][ T348] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.556758][ T348] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.557236][ T348] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.557481][ T348] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.557931][ T348] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.558305][ T348] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.558635][ T348] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.558972][ T348] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.559384][ T348] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.559730][ T348] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.560062][ T348] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.560393][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.560719][ T348] ? __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) 
[ 23.561064][ T348] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.561465][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.561799][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.562125][ T348] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.562448][ T348] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.562783][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.563107][ T348] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.563425][ T348] ? __create_object (mm/kmemleak.c:771) 
[ 23.563751][ T348] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.564090][ T348] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.564414][ T348] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.564839][ T348] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.565170][ T348] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.565500][ T348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.565830][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.566160][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.566482][ T348] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.566809][ T348] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.567134][ T348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.567460][ T348] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.567795][ T348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.568121][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.568448][ T348] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.568791][ T348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.569117][ T348] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.569451][ T348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.569797][ T348] ? 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) 
[ 23.570122][ T348] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.570450][ T348] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.570782][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.571104][ T348] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.571430][ T348] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.571755][ T348] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.572099][ T348] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.572426][ T348] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.572746][ T348] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.573178][ T348] ___sys_sendmsg (net/socket.c:2670) 
[ 23.573501][ T348] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.573832][ T348] ? __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) 
[ 23.574236][ T348] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.574564][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.574898][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.575226][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.575549][ T348] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.575878][ T348] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.576210][ T348] __sys_sendmsg (net/socket.c:2700) 
[ 23.576533][ T348] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.576953][ T348] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.577291][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.577620][ T348] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.577953][ T348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.578360][  T348] RIP: 0033:0x7f992a5721e7
[ 23.578692][ T348] 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)
[   23.579868][  T348] RSP: 002b:00007ffdf8efa5e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.580356][  T348] RAX: ffffffffffffffda RBX: 00007ffdf8efad10 RCX: 00007f992a5721e7
[   23.580862][  T348] RDX: 0000000000000000 RSI: 00007ffdf8efa650 RDI: 0000000000000005
[   23.581346][  T348] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.581843][  T348] R10: 00000000368fb910 R11: 0000000000000246 R12: 0000000000000004
[   23.582327][  T348] R13: 00000000686e1561 R14: 0000000000499600 R15: 0000000000000000
| [   23.980346][  T352] ------------[ cut here ]------------
| [ 23.980678][ T352] WARNING: CPU: 2 PID: 352 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) 
| [   23.981305][  T352] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.982867][  T352] Tainted: [W]=WARN
[   23.983126][  T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.983545][ T352] 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) 
[ 23.983891][ T352] 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
[   23.985019][  T352] RSP: 0018:ffffc900005a6ef0 EFLAGS: 00010246
[   23.985436][  T352] RAX: 0000000000000000 RBX: ffff888009732000 RCX: 0000000000000001
[   23.985930][  T352] RDX: 0000000000000000 RSI: ffffffffb569b941 RDI: ffffffffb4e555e0
[   23.986403][  T352] RBP: ffffc900005a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.986887][  T352] R10: ffffc900005a7010 R11: ffffffffb64a8918 R12: 1ffff920000b4de2
[   23.987404][  T352] R13: 00000000000005dc R14: ffffc900005a7010 R15: ffff888009732f08
[   23.987953][  T352] FS:  00007fa6ec02c800(0000) GS:ffff88807ebb7000(0000) knlGS:0000000000000000
[   23.988576][  T352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.989056][  T352] CR2: 00000000004e5ab0 CR3: 000000000fd79001 CR4: 0000000000772ef0
[   23.989608][  T352] PKRU: 55555554
[   23.989913][  T352] Call Trace:
[   23.990193][  T352]  <TASK>
[ 23.990389][ T352] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.990754][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.991139][ T352] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.991500][ T352] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.991958][ T352] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.992322][ T352] netif_set_mtu (net/core/dev.c:9652) 
[ 23.992688][ T352] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.993072][ T352] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.993572][ T352] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.993862][ T352] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.994351][ T352] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.994757][ T352] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.995140][ T352] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.995510][ T352] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.995972][ T352] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.996333][ T352] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.996694][ T352] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.997070][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.997438][ T352] ? __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) 
[ 23.997813][ T352] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.998270][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.998638][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.999020][ T352] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.999385][ T352] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.999760][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.000135][ T352] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.000495][ T352] ? __create_object (mm/kmemleak.c:771) 
[ 24.000882][ T352] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.001250][ T352] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.001609][ T352] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.002070][ T352] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.002439][ T352] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.002816][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.003175][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.003558][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.003942][ T352] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.004301][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.004666][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.005036][ T352] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.005399][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.005759][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.006140][ T352] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.006498][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.006882][ T352] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.007257][ T352] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.007650][ T352] ? 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) 
[ 24.008042][ T352] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.008413][ T352] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.008780][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.009155][ T352] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.009519][ T352] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.009919][ T352] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.010291][ T352] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.010671][ T352] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.011040][ T352] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.011500][ T352] ___sys_sendmsg (net/socket.c:2670) 
[ 24.011869][ T352] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.012232][ T352] ? __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) 
[ 24.012675][ T352] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.013052][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.013418][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.013793][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.014152][ T352] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.014516][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.014899][ T352] __sys_sendmsg (net/socket.c:2700) 
[ 24.015259][ T352] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.015713][ T352] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.016186][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.016540][ T352] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.016933][ T352] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.017381][  T352] RIP: 0033:0x7fa6ec1f91e7
[ 24.017755][ T352] 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)
[   24.019010][  T352] RSP: 002b:00007ffff0ca5358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.019484][  T352] RAX: ffffffffffffffda RBX: 00007ffff0ca5a80 RCX: 00007fa6ec1f91e7
[   24.019994][  T352] RDX: 0000000000000000 RSI: 00007ffff0ca53c0 RDI: 0000000000000005
[   24.020466][  T352] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.020943][  T352] R10: 000000003444f910 R11: 0000000000000246 R12: 0000000000000004
[   24.021410][  T352] R13: 00000000686e1561 R14: 0000000000499600 R15: 0000000000000000
| [   28.722070][  T400] ------------[ cut here ]------------
| [ 28.722411][ T400] WARNING: CPU: 2 PID: 400 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) 
| [   28.723047][  T400] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   28.724326][  T400] Tainted: [W]=WARN
[   28.724573][  T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.724977][ T400] 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) 
[ 28.725305][ T400] 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
[   28.726414][  T400] RSP: 0018:ffffc90000b56ef0 EFLAGS: 00010246
[   28.726824][  T400] RAX: 0000000000000000 RBX: ffff88800ef5a000 RCX: 0000000000000001
[   28.727294][  T400] RDX: 0000000000000000 RSI: ffffffffb569b941 RDI: ffffffffb4e555e0
[   28.727781][  T400] RBP: ffffc90000b56fe0 R08: 0000000000000000 R09: 0000000000000000
[   28.728256][  T400] R10: ffffc90000b57010 R11: ffffffffb5b79160 R12: 1ffff9200016ade2
[   28.728725][  T400] R13: 00000000000005dc R14: ffffc90000b57010 R15: ffff88800ef5af08
[   28.729241][  T400] FS:  00007f6386041800(0000) GS:ffff88807ebb7000(0000) knlGS:0000000000000000
[   28.729817][  T400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.730213][  T400] CR2: 00000000004e6898 CR3: 0000000010700002 CR4: 0000000000772ef0
[   28.730685][  T400] PKRU: 55555554
[   28.730942][  T400] Call Trace:
[   28.731185][  T400]  <TASK>
[ 28.731356][ T400] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.731683][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.732021][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.732344][ T400] netif_set_mtu (net/core/dev.c:9652) 
[ 28.732662][ T400] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.733007][ T400] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.733250][ T400] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 28.733687][ T400] br_add_if (net/bridge/br_if.c:697) bridge 
[ 28.734061][ T400] do_set_master (net/core/rtnetlink.c:2948) 
[ 28.734392][ T400] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 28.734725][ T400] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.735154][ T400] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.735471][ T400] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.735800][ T400] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.736122][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.736455][ T400] ? __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) 
[ 28.736791][ T400] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.737187][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.737533][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.737864][ T400] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 28.738181][ T400] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 28.738523][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.738873][ T400] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.739200][ T400] ? __create_object (mm/kmemleak.c:771) 
[ 28.739521][ T400] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 28.739899][ T400] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 28.740217][ T400] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.740608][ T400] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 28.740987][ T400] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.741313][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.741669][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.742013][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.742331][ T400] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.742642][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.742984][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.743300][ T400] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.743627][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.743958][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.744285][ T400] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.744603][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.744959][ T400] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.745287][ T400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.745602][ T400] ? 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) 
[ 28.745940][ T400] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 28.746275][ T400] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.746600][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.746942][ T400] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.747263][ T400] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.747604][ T400] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.747943][ T400] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.748269][ T400] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.748588][ T400] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.749019][ T400] ___sys_sendmsg (net/socket.c:2670) 
[ 28.749334][ T400] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.749660][ T400] ? __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) 
[ 28.750066][ T400] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.750388][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.750706][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.751040][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.751359][ T400] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 28.751676][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.752034][ T400] __sys_sendmsg (net/socket.c:2700) 
[ 28.752349][ T400] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.752737][ T400] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.753077][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.753450][ T400] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.753817][ T400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.754232][  T400] RIP: 0033:0x7f638620e1e7
[ 28.754582][ T400] 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)
[   28.755757][  T400] RSP: 002b:00007ffd02f09368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.756269][  T400] RAX: ffffffffffffffda RBX: 00007ffd02f09a90 RCX: 00007f638620e1e7
[   28.756800][  T400] RDX: 0000000000000000 RSI: 00007ffd02f093d0 RDI: 0000000000000005
[   28.757321][  T400] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.757847][  T400] R10: 0000000037137910 R11: 0000000000000246 R12: 0000000000000004
[   28.758351][  T400] R13: 00000000686e1566 R14: 0000000000499600 R15: 0000000000000000
| [   29.571646][  T407] ------------[ cut here ]------------
| [ 29.572137][ T407] WARNING: CPU: 2 PID: 407 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) 
| [   29.572759][  T407] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.574725][  T407] Tainted: [W]=WARN
[   29.574984][  T407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.575379][ T407] 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) 
[ 29.575709][ T407] 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
[   29.576835][  T407] RSP: 0018:ffffc90000bd6ef0 EFLAGS: 00010246
[   29.577237][  T407] RAX: 0000000000000000 RBX: ffff88800ef5a000 RCX: 0000000000000001
[   29.577732][  T407] RDX: 0000000000000000 RSI: ffffffffb569b941 RDI: ffffffffb4e555e0
[   29.578213][  T407] RBP: ffffc90000bd6fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.578689][  T407] R10: ffffc90000bd7010 R11: ffffffffb5b79160 R12: 1ffff9200017ade2
[   29.579168][  T407] R13: 00000000000005dc R14: ffffc90000bd7010 R15: ffff88800ef5af08
[   29.579663][  T407] FS:  00007f24a5e2c800(0000) GS:ffff88807ebb7000(0000) knlGS:0000000000000000
[   29.580226][  T407] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.580624][  T407] CR2: 00000000004e6898 CR3: 0000000010768004 CR4: 0000000000772ef0
[   29.581109][  T407] PKRU: 55555554
[   29.581353][  T407] Call Trace:
[   29.581595][  T407]  <TASK>
[ 29.581776][ T407] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.582102][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.582430][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.582754][ T407] netif_set_mtu (net/core/dev.c:9652) 
[ 29.583084][ T407] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.583422][ T407] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.583666][ T407] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.584117][ T407] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.584495][ T407] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.584831][ T407] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.585152][ T407] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.585552][ T407] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.585877][ T407] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.586196][ T407] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.586517][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.586846][ T407] ? __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) 
[ 29.587161][ T407] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.587559][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.587891][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.588209][ T407] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.588533][ T407] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.588861][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.589179][ T407] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.589494][ T407] ? __create_object (mm/kmemleak.c:771) 
[ 29.589846][ T407] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.590168][ T407] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.590488][ T407] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.590888][ T407] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.591213][ T407] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.591541][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.591869][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.592194][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.592519][ T407] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.592843][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.593166][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.593483][ T407] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.593813][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.594133][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.594458][ T407] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.594783][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.595102][ T407] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.595434][ T407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.595749][ T407] ? 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) 
[ 29.596077][ T407] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.596404][ T407] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.596721][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.597054][ T407] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.597374][ T407] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.597694][ T407] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.598028][ T407] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.598350][ T407] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.598664][ T407] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.599075][ T407] ___sys_sendmsg (net/socket.c:2670) 
[ 29.599393][ T407] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.599724][ T407] ? __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) 
[ 29.600132][ T407] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.600460][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.600793][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.601117][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.601434][ T407] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.601749][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.602085][ T407] __sys_sendmsg (net/socket.c:2700) 
[ 29.602402][ T407] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.602805][ T407] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.603136][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.603455][ T407] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.603782][ T407] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.604172][  T407] RIP: 0033:0x7f24a5ff91e7
[ 29.604504][ T407] 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)
[   29.605612][  T407] RSP: 002b:00007ffea0fff4f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.606096][  T407] RAX: ffffffffffffffda RBX: 00007ffea0fffc20 RCX: 00007f24a5ff91e7
[   29.606565][  T407] RDX: 0000000000000000 RSI: 00007ffea0fff560 RDI: 0000000000000005
[   29.607045][  T407] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.607532][  T407] R10: 0000000032e4c910 R11: 0000000000000246 R12: 0000000000000004
[   29.608011][  T407] R13: 00000000686e1567 R14: 0000000000499600 R15: 0000000000000000
| [   33.869993][  T447] ------------[ cut here ]------------
| [ 33.870574][ T447] WARNING: CPU: 2 PID: 447 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) 
| [   33.871757][  T447] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   33.874132][  T447] Tainted: [W]=WARN
[   33.874602][  T447] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.875361][ T447] 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) 
[ 33.875985][ T447] 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
[   33.877374][  T447] RSP: 0018:ffffc90000d46ef0 EFLAGS: 00010246
[   33.877815][  T447] RAX: 0000000000000000 RBX: ffff8880092e2000 RCX: 0000000000000001
[   33.878348][  T447] RDX: 0000000000000000 RSI: ffffffffb569b941 RDI: ffffffffb4e555e0
[   33.878860][  T447] RBP: ffffc90000d46fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.879547][  T447] R10: ffffc90000d47010 R11: ffffffffb5b79160 R12: 1ffff920001a8de2
[   33.880366][  T447] R13: 00000000000005dc R14: ffffc90000d47010 R15: ffff8880092e2f08
[   33.880893][  T447] FS:  00007fdc2765d800(0000) GS:ffff88807ebb7000(0000) knlGS:0000000000000000
[   33.881463][  T447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.881888][  T447] CR2: 00000000004e6898 CR3: 00000000106e7003 CR4: 0000000000772ef0
[   33.882417][  T447] PKRU: 55555554
[   33.882674][  T447] Call Trace:
[   33.882939][  T447]  <TASK>
[ 33.883120][ T447] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.883659][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.884019][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.884388][ T447] netif_set_mtu (net/core/dev.c:9652) 
[ 33.884725][ T447] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.885086][ T447] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.885368][ T447] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.885903][ T447] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.886291][ T447] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.886636][ T447] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.887001][ T447] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.887642][ T447] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.888202][ T447] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.888536][ T447] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.888903][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.889250][ T447] ? __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) 
[ 33.889591][ T447] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.890040][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.890402][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.890725][ T447] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.891075][ T447] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.891522][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.891869][ T447] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.892219][ T447] ? __create_object (mm/kmemleak.c:771) 
[ 33.892556][ T447] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.892901][ T447] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.893254][ T447] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.893657][ T447] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.894014][ T447] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.894346][ T447] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.894669][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.895043][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.895381][ T447] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.895729][ T447] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.896105][ T447] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.896443][ T447] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.896803][ T447] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.897142][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.897497][ T447] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.897903][ T447] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.898247][ T447] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.898591][ T447] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.898958][ T447] ? 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) 
[ 33.899276][ T447] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.899657][ T447] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.900027][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.900385][ T447] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.900725][ T447] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.901120][ T447] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.901483][ T447] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.901833][ T447] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.902158][ T447] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.902558][ T447] ___sys_sendmsg (net/socket.c:2670) 
[ 33.902899][ T447] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.903236][ T447] ? __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) 
[ 33.903659][ T447] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.904015][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.904341][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.904682][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.905016][ T447] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.905355][ T447] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.905697][ T447] __sys_sendmsg (net/socket.c:2700) 
[ 33.906025][ T447] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.906457][ T447] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.906810][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.907169][ T447] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.907505][ T447] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.907938][  T447] RIP: 0033:0x7fdc2782a1e7
[ 33.908276][ T447] 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)
[   33.909460][  T447] RSP: 002b:00007ffc8b2d5e38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.909999][  T447] RAX: ffffffffffffffda RBX: 00007ffc8b2d6560 RCX: 00007fdc2782a1e7
[   33.910488][  T447] RDX: 0000000000000000 RSI: 00007ffc8b2d5ea0 RDI: 0000000000000005
[   33.910999][  T447] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.911500][  T447] R10: 00000000224db910 R11: 0000000000000246 R12: 0000000000000004
[   33.912033][  T447] R13: 00000000686e156b R14: 0000000000499600 R15: 0000000000000000
| [   34.813466][  T454] ------------[ cut here ]------------
| [ 34.813799][ T454] WARNING: CPU: 0 PID: 454 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) 
| [   34.814438][  T454] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   34.815718][  T454] Tainted: [W]=WARN
[   34.815968][  T454] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.816358][ T454] 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) 
[ 34.816679][ T454] 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
[   34.817794][  T454] RSP: 0018:ffffc90000926ef0 EFLAGS: 00010246
[   34.818180][  T454] RAX: 0000000000000000 RBX: ffff8880092e2000 RCX: 0000000000000001
[   34.818636][  T454] RDX: 0000000000000000 RSI: ffffffffb569b941 RDI: ffffffffb4e555e0
[   34.819122][  T454] RBP: ffffc90000926fe0 R08: 0000000000000000 R09: 0000000000000000
[   34.819599][  T454] R10: ffffc90000927010 R11: ffffffffb5b79160 R12: 1ffff92000124de2
[   34.820081][  T454] R13: 00000000000005dc R14: ffffc90000927010 R15: ffff8880092e2f08
[   34.820554][  T454] FS:  00007f4121e84800(0000) GS:ffff88807eab7000(0000) knlGS:0000000000000000
[   34.821111][  T454] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.821496][  T454] CR2: 00000000004e6898 CR3: 000000000fee4005 CR4: 0000000000772ef0
[   34.821985][  T454] PKRU: 55555554
[   34.822227][  T454] Call Trace:
[   34.822463][  T454]  <TASK>
[ 34.822622][ T454] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.823110][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.823429][ T454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.823735][ T454] netif_set_mtu (net/core/dev.c:9652) 
[ 34.824273][ T454] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.824598][ T454] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.825048][ T454] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.825491][ T454] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.826042][ T454] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.826370][ T454] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.826679][ T454] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.827236][ T454] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.827559][ T454] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.828019][ T454] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.828344][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.828655][ T454] ? osq_unlock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2203 ./include/linux/atomic/atomic-instrumented.h:1325 kernel/locking/osq_lock.c:218) 
[ 34.829083][ T454] ? __pfx_osq_unlock (kernel/locking/osq_lock.c:211) 
[ 34.829395][ T454] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.829716][ T454] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.830046][ T454] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.830369][ T454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.830679][ T454] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.830990][ T454] ? __create_object (mm/kmemleak.c:771) 
[ 34.831301][ T454] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.831609][ T454] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.831921][ T454] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.832301][ T454] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.832611][ T454] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.832929][ T454] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.833234][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.833545][ T454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.833876][ T454] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.834182][ T454] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.834485][ T454] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.834800][ T454] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.835109][ T454] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.835419][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.835728][ T454] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.836044][ T454] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.836367][ T454] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.836704][ T454] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.837017][ T454] ? 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) 
[ 34.837326][ T454] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.837659][ T454] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.837991][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.838325][ T454] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.838639][ T454] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.838954][ T454] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.839268][ T454] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.839586][ T454] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.839902][ T454] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.840299][ T454] ___sys_sendmsg (net/socket.c:2670) 
[ 34.840600][ T454] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.840916][ T454] ? __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) 
[ 34.841302][ T454] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.841610][ T454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.841943][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.842267][ T454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.842579][ T454] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.842892][ T454] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.843208][ T454] __sys_sendmsg (net/socket.c:2700) 
[ 34.843522][ T454] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.843913][ T454] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.844244][ T454] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.844552][ T454] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.844876][ T454] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.845257][  T454] RIP: 0033:0x7f41220511e7
[ 34.845589][ T454] 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)
[   34.846733][  T454] RSP: 002b:00007ffc310111f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.847242][  T454] RAX: ffffffffffffffda RBX: 00007ffc31011920 RCX: 00007f41220511e7
[   34.847736][  T454] RDX: 0000000000000000 RSI: 00007ffc31011260 RDI: 0000000000000005
[   34.848232][  T454] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.848700][  T454] R10: 000000003bb37910 R11: 0000000000000246 R12: 0000000000000004
[   34.849164][  T454] R13: 00000000686e156c R14: 0000000000499600 R15: 0000000000000000
| [   53.265312][  T578] ------------[ cut here ]------------
| [ 53.265647][ T578] WARNING: CPU: 0 PID: 578 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   53.266295][  T578] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.267616][  T578] Tainted: [W]=WARN
[   53.267867][  T578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.268267][ T578] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 53.268602][ T578] 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
[   53.269771][  T578] RSP: 0018:ffffc90001236f70 EFLAGS: 00010246
[   53.270179][  T578] RAX: 0000000000000000 RBX: ffff888009732000 RCX: 0000000000000001
[   53.270663][  T578] RDX: 0000000000000000 RSI: ffffffffb569b941 RDI: ffffffffb4e555e0
[   53.272009][  T578] RBP: ffffc90001237058 R08: 0000000000000000 R09: 0000000000000000
[   53.272494][  T578] R10: ffffc90001237088 R11: ffffffffb1a00130 R12: 1ffff92000246df2
[   53.272982][  T578] R13: 00000000000005dc R14: ffffc90001237088 R15: ffff888009732f08
[   53.273460][  T578] FS:  00007f5382732800(0000) GS:ffff88807eab7000(0000) knlGS:0000000000000000
[   53.274029][  T578] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.274433][  T578] CR2: 00000000004e5ab0 CR3: 000000000b98c005 CR4: 0000000000772ef0
[   53.274922][  T578] PKRU: 55555554
[   53.275162][  T578] Call Trace:
[   53.275401][  T578]  <TASK>
[ 53.275563][ T578] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.275977][ T578] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.276344][ T578] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.276671][ T578] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.277007][ T578] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.277326][ T578] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.277645][ T578] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.277991][ T578] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.278312][ T578] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.278630][ T578] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.278960][ T578] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.279287][ T578] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.279700][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.280042][ T578] netif_set_mtu (net/core/dev.c:9652) 
[ 53.280366][ T578] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.280701][ T578] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.280970][ T578] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.281413][ T578] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.281777][ T578] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 53.282127][ T578] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.282453][ T578] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.282788][ T578] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.283196][ T578] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.283523][ T578] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.283854][ T578] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.284180][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.284503][ T578] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 53.284834][ T578] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.285233][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.285559][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.285887][ T578] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.286210][ T578] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.286530][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.286862][ T578] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.287181][ T578] ? __create_object (mm/kmemleak.c:771) 
[ 53.287502][ T578] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.287833][ T578] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.288154][ T578] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.288557][ T578] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.288894][ T578] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.289219][ T578] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.289539][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.289895][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.290231][ T578] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.290547][ T578] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.290878][ T578] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.291203][ T578] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.291528][ T578] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.291863][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.292188][ T578] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.292505][ T578] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.292840][ T578] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.293173][ T578] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.293497][ T578] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 53.293827][ T578] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.294149][ T578] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.294465][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.294800][ T578] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.295123][ T578] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.295442][ T578] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.295785][ T578] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.296110][ T578] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.296426][ T578] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.296847][ T578] ___sys_sendmsg (net/socket.c:2670) 
[ 53.297165][ T578] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.297480][ T578] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.297879][ T578] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.298195][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.298523][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.298860][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.299182][ T578] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.299501][ T578] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.299853][ T578] __sys_sendmsg (net/socket.c:2700) 
[ 53.300170][ T578] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.300570][ T578] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.300902][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.301212][ T578] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.301520][ T578] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.301907][  T578] RIP: 0033:0x7f53828ff1e7
[ 53.302220][ T578] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   53.303347][  T578] RSP: 002b:00007fff497dd9f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.303833][  T578] RAX: ffffffffffffffda RBX: 00007fff497de120 RCX: 00007f53828ff1e7
[   53.304311][  T578] RDX: 0000000000000000 RSI: 00007fff497dda60 RDI: 0000000000000005
[   53.304797][  T578] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   53.305283][  T578] R10: 00007f53827fcee8 R11: 0000000000000246 R12: 0000000000000003
[   53.305761][  T578] R13: 00000000686e157f R14: 0000000000499600 R15: 0000000000000000
| [   53.652708][  T581] ------------[ cut here ]------------
| [ 53.654197][ T581] WARNING: CPU: 3 PID: 581 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   53.654876][  T581] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.656241][  T581] Tainted: [W]=WARN
[   53.656484][  T581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.656903][ T581] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 53.657241][ T581] 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
[   53.658412][  T581] RSP: 0018:ffffc90001256f70 EFLAGS: 00010246
[   53.658828][  T581] RAX: 0000000000000000 RBX: ffff888009732000 RCX: 0000000000000001
[   53.659325][  T581] RDX: 0000000000000000 RSI: ffffffffb569b941 RDI: ffffffffb4e555e0
[   53.659837][  T581] RBP: ffffc90001257058 R08: 0000000000000000 R09: 0000000000000000
[   53.660331][  T581] R10: ffffc90001257088 R11: ffffffffb5b79160 R12: 1ffff9200024adf2
[   53.660842][  T581] R13: 00000000000005dc R14: ffffc90001257088 R15: ffff888009732f08
[   53.661341][  T581] FS:  00007f2a67c9b800(0000) GS:ffff88807ec37000(0000) knlGS:0000000000000000
[   53.661928][  T581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.662331][  T581] CR2: 00000000004e5aa8 CR3: 000000000bd25001 CR4: 0000000000772ef0
[   53.662841][  T581] PKRU: 55555554
[   53.663090][  T581] Call Trace:
[   53.663336][  T581]  <TASK>
[ 53.663503][ T581] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.663932][ T581] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.664296][ T581] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.664628][ T581] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.664956][ T581] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.665273][ T581] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.665591][ T581] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.665936][ T581] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.666259][ T581] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.666576][ T581] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.666926][ T581] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.667243][ T581] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.667649][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.668001][ T581] netif_set_mtu (net/core/dev.c:9652) 
[ 53.668321][ T581] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.668664][ T581] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.668940][ T581] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.669386][ T581] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.669780][ T581] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 53.670116][ T581] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.670451][ T581] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.670784][ T581] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.671186][ T581] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.671506][ T581] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.671847][ T581] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.672165][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.672499][ T581] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 53.672832][ T581] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.673228][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.673547][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.673878][ T581] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.674196][ T581] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.674513][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.674845][ T581] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.675157][ T581] ? __create_object (mm/kmemleak.c:771) 
[ 53.675475][ T581] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.675804][ T581] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.676121][ T581] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.676521][ T581] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.676856][ T581] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.677180][ T581] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.677501][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.677837][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.678162][ T581] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.678480][ T581] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.678812][ T581] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.679136][ T581] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.679457][ T581] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.679803][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.680129][ T581] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.680460][ T581] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.680802][ T581] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.681162][ T581] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.681488][ T581] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 53.681822][ T581] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.682148][ T581] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.682466][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.682803][ T581] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.683128][ T581] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.683459][ T581] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.683804][ T581] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.684130][ T581] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.684449][ T581] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.684872][ T581] ___sys_sendmsg (net/socket.c:2670) 
[ 53.685201][ T581] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.685529][ T581] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.685943][ T581] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.686277][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.686602][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.686943][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.687268][ T581] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.687609][ T581] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.687959][ T581] __sys_sendmsg (net/socket.c:2700) 
[ 53.688287][ T581] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.688713][ T581] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.689071][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.689398][ T581] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.689736][ T581] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.690146][  T581] RIP: 0033:0x7f2a67e681e7
[ 53.690479][ T581] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   53.691643][  T581] RSP: 002b:00007fffbb4fa858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.692149][  T581] RAX: ffffffffffffffda RBX: 00007fffbb4faf80 RCX: 00007f2a67e681e7
[   53.692633][  T581] RDX: 0000000000000000 RSI: 00007fffbb4fa8c0 RDI: 0000000000000005
[   53.693125][  T581] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   53.693614][  T581] R10: 00007f2a67d65ee8 R11: 0000000000000246 R12: 0000000000000003
[   53.694130][  T581] R13: 00000000686e157f R14: 0000000000499600 R15: 0000000000000000
| [   53.827607][  T582] ------------[ cut here ]------------
| [ 53.827976][ T582] WARNING: CPU: 3 PID: 582 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   53.828638][  T582] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.830025][  T582] Tainted: [W]=WARN
[   53.830270][  T582] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.830670][ T582] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 53.831016][ T582] 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
[   53.832192][  T582] RSP: 0018:ffffc90001256f70 EFLAGS: 00010246
[   53.832601][  T582] RAX: 0000000000000000 RBX: ffff888009732000 RCX: 0000000000000001
[   53.833093][  T582] RDX: 0000000000000000 RSI: ffffffffb569b941 RDI: ffffffffb4e555e0
[   53.833574][  T582] RBP: ffffc90001257058 R08: 0000000000000000 R09: 0000000000000000
[   53.834081][  T582] R10: ffffc90001257088 R11: ffffffffb5b79160 R12: 1ffff9200024adf2
[   53.834593][  T582] R13: 00000000000005dc R14: ffffc90001257088 R15: ffff888009732f08
[   53.835085][  T582] FS:  00007f9c41c56800(0000) GS:ffff88807ec37000(0000) knlGS:0000000000000000
[   53.835660][  T582] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.836093][  T582] CR2: 00000000004e73c0 CR3: 000000000b98c002 CR4: 0000000000772ef0
[   53.836592][  T582] PKRU: 55555554
[   53.836846][  T582] Call Trace:
[   53.837103][  T582]  <TASK>
[ 53.837266][ T582] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.837671][ T582] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.838077][ T582] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.838402][ T582] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.838730][ T582] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.839061][ T582] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.839405][ T582] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.839736][ T582] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.840069][ T582] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.840414][ T582] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.840747][ T582] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.841079][ T582] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.841498][ T582] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.841841][ T582] netif_set_mtu (net/core/dev.c:9652) 
[ 53.842173][ T582] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.842519][ T582] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.842777][ T582] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.843229][ T582] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.843604][ T582] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 53.843957][ T582] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.844296][ T582] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.844627][ T582] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.845050][ T582] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.845379][ T582] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.845708][ T582] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.846055][ T582] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.846392][ T582] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 53.846719][ T582] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.847136][ T582] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.847470][ T582] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.847806][ T582] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.848139][ T582] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.848468][ T582] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.848818][ T582] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.849152][ T582] ? __create_object (mm/kmemleak.c:771) 
[ 53.849483][ T582] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.849854][ T582] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.850190][ T582] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.850597][ T582] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.850935][ T582] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.851276][ T582] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.851604][ T582] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.851943][ T582] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.852275][ T582] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.852600][ T582] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.852950][ T582] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.853279][ T582] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.853603][ T582] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.853951][ T582] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.854291][ T582] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.854620][ T582] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.854982][ T582] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.855317][ T582] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.855640][ T582] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 53.855975][ T582] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.856317][ T582] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.856645][ T582] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.856990][ T582] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.857314][ T582] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.857649][ T582] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.858004][ T582] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.858338][ T582] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.858677][ T582] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.859135][ T582] ___sys_sendmsg (net/socket.c:2670) 
[ 53.859454][ T582] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.859798][ T582] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.860196][ T582] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.860521][ T582] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.860854][ T582] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.861183][ T582] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.861519][ T582] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.861868][ T582] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.862213][ T582] __sys_sendmsg (net/socket.c:2700) 
[ 53.862536][ T582] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.862965][ T582] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.863325][ T582] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.863673][ T582] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.864034][ T582] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.864446][  T582] RIP: 0033:0x7f9c41e231e7
[ 53.864804][ T582] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   53.865980][  T582] RSP: 002b:00007ffe09eb8a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.866489][  T582] RAX: ffffffffffffffda RBX: 00007ffe09eb91a0 RCX: 00007f9c41e231e7
[   53.866981][  T582] RDX: 0000000000000000 RSI: 00007ffe09eb8ae0 RDI: 0000000000000005
[   53.867480][  T582] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   53.867985][  T582] R10: 00007f9c41d20ee8 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