======================================
| [   33.617718][  T316] lag2: Port device veth5 added
| [   33.907091][  T318] 8021q: adding VLAN 0 to HW filter on device lag2
| [   33.908965][  T309] BUG: spinlock bad magic on CPU#1, teamd/309
| [ 33.909151][ T309] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: teamd/309, .owner_cpu: 1 
[   33.909588][  T309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   33.909906][  T309] Call Trace:
[   33.910008][  T309]  <TASK>
[ 33.910079][ T309] dump_stack_lvl (lib/dump_stack.c:122) 
[ 33.910217][ T309] do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141) 
[ 33.910363][ T309] _raw_spin_unlock (./arch/x86/include/asm/preempt.h:94 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186) 
[ 33.910494][ T309] __dev_xmit_skb (./include/net/sch_generic.h:226 ./include/net/sch_generic.h:217 net/core/dev.c:3879) 
[ 33.910624][ T309] ? __pfx___dev_xmit_skb (net/core/dev.c:3784) 
[ 33.910760][ T309] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:890 net/core/dev.c:4348) 
[ 33.910894][ T309] ? lock_acquire (kernel/locking/lockdep.c:5732) 
[ 33.911024][ T309] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:890 net/core/dev.c:4348) 
[ 33.911157][ T309] __dev_queue_xmit (net/core/dev.c:4389) 
[ 33.911288][ T309] ? skb_set_owner_w (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:749 ./include/linux/atomic/atomic-instrumented.h:253 ./include/linux/refcount.h:184 ./include/linux/refcount.h:213 net/core/sock.c:2544) 
[ 33.911430][ T309] ? __pfx___dev_queue_xmit (net/core/dev.c:4332) 
[ 33.911562][ T309] ? packet_parse_headers (./include/linux/skbuff.h:3051 net/packet/af_packet.c:2005) 
[ 33.911699][ T309] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2788) 
[ 33.911833][ T309] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1990) 
[ 33.911965][ T309] ? skb_copy_datagram_from_iter (net/core/datagram.c:561) 
[ 33.912130][ T309] ? packet_cached_dev_get (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/packet/af_packet.c:295) 
[ 33.912259][ T309] packet_snd (net/packet/af_packet.c:3145) 
[ 33.912389][ T309] ? __pfx_packet_snd (net/packet/af_packet.c:3008) 
[ 33.912517][ T309] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 33.912666][ T309] __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2204) 
[ 33.912812][ T309] ? __pfx___sys_sendto (net/socket.c:2174) 
[ 33.912940][ T309] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 33.913072][ T309] ? __pfx___sys_getsockname (net/socket.c:2098) 
[ 33.913204][ T309] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:961) 
[ 33.913369][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.913530][ T309] __x64_sys_sendto (net/socket.c:2212) 
[ 33.913659][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.913823][ T309] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 33.913959][ T309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.914123][  T309] RIP: 0033:0x7ff978c50700
[ 33.914264][ T309] Code: ff ff 64 89 02 eb bd 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 1d 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 68 c3 0f 1f 80 00 00 00 00 41 54 48 83 ec 20
All code
========
   0:	ff                   	(bad)
   1:	ff 64 89 02          	jmp    *0x2(%rcx,%rcx,4)
   5:	eb bd                	jmp    0xffffffffffffffc4
   7:	0f 1f 00             	nopl   (%rax)
   a:	f3 0f 1e fa          	endbr64
   e:	41 89 ca             	mov    %ecx,%r10d
  11:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  18:	00 
  19:	85 c0                	test   %eax,%eax
  1b:	75 1d                	jne    0x3a
  1d:	45 31 c9             	xor    %r9d,%r9d
  20:	45 31 c0             	xor    %r8d,%r8d
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 68                	ja     0x9a
  32:	c3                   	ret
  33:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3a:	41 54                	push   %r12
  3c:	48 83 ec 20          	sub    $0x20,%rsp

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 68                	ja     0x70
   8:	c3                   	ret
   9:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  10:	41 54                	push   %r12
  12:	48 83 ec 20          	sub    $0x20,%rsp
[   33.914725][  T309] RSP: 002b:00007ffe3b3177a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   33.914918][  T309] RAX: ffffffffffffffda RBX: 000000001f862fc0 RCX: 00007ff978c50700
[   33.915109][  T309] RDX: 000000000000007c RSI: 00007ffe3b317820 RDI: 0000000000000013
[   33.915303][  T309] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   33.915498][  T309] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000007c


Finger prints:
do_raw_spin_unlock:_raw_spin_unlock:__dev_xmit_skb:__dev_queue_xmit:packet_snd