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Bug#931188: linux-image-4.19.0-0.bpo.5-amd64: Memory leaks in network stack



KASAN just found this

[ 8216.434593]
==================================================================
[ 8216.436822] BUG: KASAN: use-after-free in
br_multicast_rcv+0x39b7/0x3dc0 [bridge]
[ 8216.438972] Read of size 2 at addr ffff8880469a00b8 by task swapper/2/0
[ 8216.440796]
[ 8216.441245] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G           OE
 4.19.0-0.bpo.5.kasan-amd64 #1 Debian 4.19.37-4~bpo9+1.kasan.1
[ 8216.444358] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),
BIOS 1.10.2-1 04/01/2014
[ 8216.446617] Call Trace:
[ 8216.447266]  <IRQ>
[ 8216.447876]  dump_stack+0x71/0xab
[ 8216.448953]  print_address_description+0x6a/0x280
[ 8216.450471]  kasan_report+0x258/0x380


[ 8216.451661]  ? br_multicast_rcv+0x39b7/0x3dc0 [bridge]

[ 8216.453175]  br_multicast_rcv+0x39b7/0x3dc0 [bridge]

[ 8216.454626]  ? secondary_startup_64+0xa4/0xb0

[ 8216.456001]  ? mem_cgroup_oom_synchronize+0x220/0x410

[ 8216.457382]  ? br_multicast_disable_port+0x1c0/0x1c0 [bridge]

[ 8216.458885]  ? kvm_clock_get_cycles+0xd/0x10

[ 8216.459986]  ? ktime_get_with_offset+0xb4/0x150
[ 8216.461368]  ? fdb_find_rcu+0x295/0x440 [bridge]
[ 8216.462611]  ? fdb_delete_local+0x5e0/0x5e0 [bridge]
[ 8216.463888]  ? __build_skb+0x223/0x2d0
[ 8216.465035]  ? memcpy+0x34/0x50
[ 8216.466235]  ? br_fdb_update+0x10e/0x6d0 [bridge]
[ 8216.467498]  ? br_handle_frame_finish+0x3b4/0x11f0 [bridge]
[ 8216.468892]  br_handle_frame_finish+0x3b4/0x11f0 [bridge]
[ 8216.470431]  ? br_pass_frame_up+0x3a0/0x3a0 [bridge]
[ 8216.471746]  ? find_busiest_group+0x3af/0x2790
[ 8216.472943]  ? virtnet_probe+0x1ae0/0x1ae0 [virtio_net]
[ 8216.474334]  br_handle_frame+0x60c/0xbb0 [bridge]
[ 8216.475641]  ? select_idle_sibling+0x25/0x7d0
[ 8216.478737]  ? br_handle_frame_finish+0x11f0/0x11f0 [bridge]
[ 8216.481587]  ? vring_unmap_one+0x3d/0x3e0 [virtio_ring]
[ 8216.484329]  __netif_receive_skb_core+0xacb/0x2cf0

[ 8216.487013]  ? napi_complete_done+0x30/0x360
[ 8216.489510]  ? netif_receive_skb+0xf0/0xf0

[ 8216.492099]  ? virtqueue_napi_complete+0x39/0x70 [virtio_net]

[ 8216.495231]  ? virtnet_poll+0x94d/0xc78 [virtio_net]
[ 8216.498144]  ? receive_buf+0x4d60/0x4d60 [virtio_net]
[ 8216.501152]  ? __netif_receive_skb_one_core+0x97/0x150
[ 8216.504120]  __netif_receive_skb_one_core+0x97/0x150

[ 8216.506874]  ? __netif_receive_skb_core+0x2cf0/0x2cf0

[ 8216.509652]  process_backlog+0x19c/0x650

[ 8216.512030]  net_rx_action+0x71e/0xbc0
[ 8216.514391]  ? vring_alloc_queue+0x330/0x330 [virtio_ring]

[ 8216.517125]  ? napi_complete_done+0x360/0x360

[ 8216.519610]  ? handle_irq_event_percpu+0xeb/0x140

[ 8216.522231]  ? __handle_irq_event_percpu+0x450/0x450
[ 8216.524898]  __do_softirq+0x1db/0x5e5

[ 8216.527206]  irq_exit+0x165/0x190

[ 8216.529452]  do_IRQ+0x71/0x160

[ 8216.531720]  common_interrupt+0xf/0xf

[ 8216.533970]  </IRQ>

[ 8216.535880] RIP: 0010:native_safe_halt+0xe/0x10

[ 8216.538375] Code: ca 03 ff 48 8b 04 24 e9 12 ff ff ff e9 07 00 00 00
0f 00 2d 04 d3 60 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d f4 d2 60 00 fb
f4 <c3> 90 66 66 66 66 90 41 56 41 55 41 54 55 53 e8 ae 55 c7 fe 65 44
[ 8216.545706] RSP: 0018:ffff8880506ffd20 EFLAGS: 00000246 ORIG_RAX:
ffffffffffffffc5
[ 8216.549015] RAX: ffffffffad033770 RBX: 0000000000000002 RCX:
ffffffffabc9f5a3
[ 8216.552302] RDX: 1ffff1100a0d45b8 RSI: 0000000000000004 RDI:
ffff8880510a3750
[ 8216.555451] RBP: ffffed100a0d45b8 R08: ffffed100a2146eb R09:
ffffed100a2146ea
[ 8216.558623] R10: ffff8880510a3753 R11: ffffed100a2146eb R12:
ffffffffae04eae0
[ 8216.561832] R13: 0000000000000002 R14: 0000000000000000 R15:
ffff8880506a2dc0
[ 8216.565315]  ? __sched_text_end+0x5/0x5
[ 8216.567688]  ? rcu_dynticks_eqs_enter+0x23/0x30
[ 8216.570196]  default_idle+0x1f/0x280
[ 8216.572511]  do_idle+0x2d8/0x3e0
[ 8216.574708]  ? arch_cpu_idle_exit+0x40/0x40
[ 8216.577051]  ? do_idle+0x18/0x3e0
[ 8216.579216]  cpu_startup_entry+0xcb/0xe0
[ 8216.581539]  ? cpu_in_idle+0x20/0x20
[ 8216.583753]  ? clockevents_register_device+0x14f/0x490
[ 8216.586371]  ? clockevents_config.part.9+0xfc/0x170
[ 8216.588842]  start_secondary+0x3be/0x4d0
[ 8216.591186]  ? set_cpu_sibling_map+0x19c0/0x19c0
[ 8216.593681]  secondary_startup_64+0xa4/0xb0
[ 8216.596029]
[ 8216.597796] The buggy address belongs to the page:
[ 8216.600311] page:ffffea00011a6800 count:21 mapcount:0
mapping:0000000000000000 index:0x0 compound_mapcount: 0
[ 8216.604119] flags: 0xffffc000008000(head)
[ 8216.606886] raw: 00ffffc000008000 dead000000000100 dead000000000200
0000000000000000
[ 8216.611453] raw: 0000000000000000 0000000000000000 00000015ffffffff
0000000000000000
[ 8216.615911] page dumped because: kasan: bad access detected
[ 8216.619626]
[ 8216.621689] Memory state around the buggy address:
[ 8216.625022]  ffff88804699ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc
fc fc fc
[ 8216.629274]  ffff8880469a0000: 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00
[ 8216.633631] >ffff8880469a0080: 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00
[ 8216.637837]                                         ^
[ 8216.641330]  ffff8880469a0100: 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00
[ 8216.645524]  ffff8880469a0180: 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00
[ 8216.649704]
==================================================================
[ 8216.653859] Disabling lock debugging due to kernel taint

On 6/27/19 9:01 PM, Martin Weinelt wrote:
> Package: src:linux
> Version: 4.19.37-4~bpo9+1
> Severity: important
> 
> Dear Maintainer,
> 
> after upgrading from 4.19.28-2~bpo9+1 to 4.19.37-4~bpo9+1 we started
> experiencing memory leaks on eight of our linux routers.
> 
> I've rebuilt the kernel with KASAN and kmemleak which lead me to the
> follwing outputs:
> 
> dmesg
> =====
> 
> [  158.316234] NOHZ: local_softirq_pending 08
> [  639.104616] NOHZ: local_softirq_pending 08
> [  687.789638] kmemleak: 44 new suspected memory leaks (see
> /sys/kernel/debug/kmemleak)
> [ 1175.167535] NOHZ: local_softirq_pending 08
> [ 1311.471708] kmemleak: 215 new suspected memory leaks (see
> /sys/kernel/debug/kmemleak)
> [ 1328.246713] NOHZ: local_softirq_pending 08
> [ 1369.205994] NOHZ: local_softirq_pending 08
> [ 1626.484891] NOHZ: local_softirq_pending 08
> [ 1785.967300] NOHZ: local_softirq_pending 08
> [ 1939.037206] kmemleak: 282 new suspected memory leaks (see
> /sys/kernel/debug/kmemleak)
> [ 2061.936607] NOHZ: local_softirq_pending 08
> [ 2237.548269] NOHZ: local_softirq_pending 08
> [ 2555.866194] kmemleak: 44 new suspected memory leaks (see
> /sys/kernel/debug/kmemleak)
> [ 3186.506766] kmemleak: 214 new suspected memory leaks (see
> /sys/kernel/debug/kmemleak)
> [ 3803.463136] kmemleak: 400 new suspected memory leaks (see
> /sys/kernel/debug/kmemleak)
> [ 4362.374734] WARNING: stack going in the wrong direction?
> ip=__save_stack_trace+0x5e/0x100
> [ 4424.952229] kmemleak: 394 new suspected memory leaks (see
> /sys/kernel/debug/kmemleak)
> [ 5054.104994] kmemleak: 255 new suspected memory leaks (see
> /sys/kernel/debug/kmemleak)
> 
> Find the kmemleak log at https://bpaste.net/show/3676a61d6acc
> 
> 
> Best regards
> 
> Martin
> 
> 
> -- Package-specific info:
> ** Kernel log: boot messages should be attached
> 
> ** Model information
> sys_vendor: QEMU
> product_name: Standard PC (i440FX + PIIX, 1996)
> product_version: pc-i440fx-2.8
> chassis_vendor: QEMU
> chassis_version: pc-i440fx-2.8
> bios_vendor: SeaBIOS
> bios_version: 1.10.2-1
> 
> ** PCI devices:
> 00:00.0 Host bridge [0600]: Intel Corporation 440FX - 82441FX PMC [Natoma] [8086:1237] (rev 02)
> 	Subsystem: Red Hat, Inc Qemu virtual machine [1af4:1100]
> 	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
> 	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 
> 00:01.0 ISA bridge [0601]: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II] [8086:7000]
> 	Subsystem: Red Hat, Inc Qemu virtual machine [1af4:1100]
> 	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
> 	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 
> 00:01.1 IDE interface [0101]: Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II] [8086:7010] (prog-if 80 [Master])
> 	Subsystem: Red Hat, Inc Qemu virtual machine [1af4:1100]
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
> 	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Region 0: [virtual] Memory at 000001f0 (32-bit, non-prefetchable) [size=8]
> 	Region 1: [virtual] Memory at 000003f0 (type 3, non-prefetchable)
> 	Region 2: [virtual] Memory at 00000170 (32-bit, non-prefetchable) [size=8]
> 	Region 3: [virtual] Memory at 00000370 (type 3, non-prefetchable)
> 	Region 4: I/O ports at c300 [size=16]
> 	Kernel driver in use: ata_piix
> 	Kernel modules: ata_piix, ata_generic
> 
> 00:01.2 USB controller [0c03]: Intel Corporation 82371SB PIIX3 USB [Natoma/Triton II] [8086:7020] (rev 01) (prog-if 00 [UHCI])
> 	Subsystem: Red Hat, Inc QEMU Virtual Machine [1af4:1100]
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
> 	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin D routed to IRQ 11
> 	Region 4: I/O ports at c040 [size=32]
> 	Kernel driver in use: uhci_hcd
> 	Kernel modules: uhci_hcd
> 
> 00:01.3 Bridge [0680]: Intel Corporation 82371AB/EB/MB PIIX4 ACPI [8086:7113] (rev 03)
> 	Subsystem: Red Hat, Inc Qemu virtual machine [1af4:1100]
> 	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
> 	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Interrupt: pin A routed to IRQ 9
> 	Kernel driver in use: piix4_smbus
> 	Kernel modules: i2c_piix4
> 
> 00:02.0 VGA compatible controller [0300]: Device [1234:1111] (rev 02) (prog-if 00 [VGA controller])
> 	Subsystem: Red Hat, Inc Device [1af4:1100]
> 	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
> 	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Region 0: Memory at fd000000 (32-bit, prefetchable) [size=16M]
> 	Region 2: Memory at febd0000 (32-bit, non-prefetchable) [size=4K]
> 	Expansion ROM at 000c0000 [disabled] [size=128K]
> 	Kernel driver in use: bochs-drm
> 	Kernel modules: bochs_drm
> 
> 00:03.0 Unclassified device [00ff]: Red Hat, Inc Virtio memory balloon [1af4:1002]
> 	Subsystem: Red Hat, Inc Virtio memory balloon [1af4:0005]
> 	Physical Slot: 3
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 10
> 	Region 0: I/O ports at c060 [size=32]
> 	Region 4: Memory at fe000000 (64-bit, prefetchable) [size=16K]
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:04.0 SCSI storage controller [0100]: Red Hat, Inc Virtio block device [1af4:1001]
> 	Subsystem: Red Hat, Inc Virtio block device [1af4:0002]
> 	Physical Slot: 4
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 11
> 	Region 0: I/O ports at c000 [size=64]
> 	Region 1: Memory at febd1000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe004000 (64-bit, prefetchable) [size=16K]
> 	Capabilities: [98] MSI-X: Enable+ Count=2 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:05.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 5
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 10
> 	Region 0: I/O ports at c080 [size=32]
> 	Region 1: Memory at febd2000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe008000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at fe6c0000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:06.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 6
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 11
> 	Region 0: I/O ports at c0a0 [size=32]
> 	Region 1: Memory at febd3000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe00c000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at fe700000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:07.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 7
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 10
> 	Region 0: I/O ports at c0c0 [size=32]
> 	Region 1: Memory at febd4000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe010000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at fe740000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:08.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 8
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 11
> 	Region 0: I/O ports at c0e0 [size=32]
> 	Region 1: Memory at febd5000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe014000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at fe780000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:09.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 9
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 10
> 	Region 0: I/O ports at c100 [size=32]
> 	Region 1: Memory at febd6000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe018000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at fe7c0000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:0a.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 10
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 11
> 	Region 0: I/O ports at c120 [size=32]
> 	Region 1: Memory at febd7000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe01c000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at fe800000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:0b.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 11
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 10
> 	Region 0: I/O ports at c140 [size=32]
> 	Region 1: Memory at febd8000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe020000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at fe840000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:0c.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 12
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 11
> 	Region 0: I/O ports at c160 [size=32]
> 	Region 1: Memory at febd9000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe024000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at fe880000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:0d.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 13
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 10
> 	Region 0: I/O ports at c180 [size=32]
> 	Region 1: Memory at febda000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe028000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at fe8c0000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:0e.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 14
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 11
> 	Region 0: I/O ports at c1a0 [size=32]
> 	Region 1: Memory at febdb000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe02c000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at fe900000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:0f.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 15
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 10
> 	Region 0: I/O ports at c1c0 [size=32]
> 	Region 1: Memory at febdc000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe030000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at fe940000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:10.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 16
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 11
> 	Region 0: I/O ports at c1e0 [size=32]
> 	Region 1: Memory at febdd000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe034000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at fe980000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:11.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 17
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 10
> 	Region 0: I/O ports at c200 [size=32]
> 	Region 1: Memory at febde000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe038000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at fe9c0000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:12.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 18
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 11
> 	Region 0: I/O ports at c220 [size=32]
> 	Region 1: Memory at febdf000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe03c000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at fea00000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:13.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 19
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 10
> 	Region 0: I/O ports at c240 [size=32]
> 	Region 1: Memory at febe0000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe040000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at fea40000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:14.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 20
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 11
> 	Region 0: I/O ports at c260 [size=32]
> 	Region 1: Memory at febe1000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe044000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at fea80000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:15.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 21
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 10
> 	Region 0: I/O ports at c280 [size=32]
> 	Region 1: Memory at febe2000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe048000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at feac0000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:16.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 22
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 11
> 	Region 0: I/O ports at c2a0 [size=32]
> 	Region 1: Memory at febe3000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe04c000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at feb00000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:17.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 23
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 10
> 	Region 0: I/O ports at c2c0 [size=32]
> 	Region 1: Memory at febe4000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe050000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at feb40000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 00:18.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
> 	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
> 	Physical Slot: 24
> 	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
> 	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 11
> 	Region 0: I/O ports at c2e0 [size=32]
> 	Region 1: Memory at febe5000 (32-bit, non-prefetchable) [size=4K]
> 	Region 4: Memory at fe054000 (64-bit, prefetchable) [size=16K]
> 	Expansion ROM at feb80000 [disabled] [size=256K]
> 	Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
> 		Vector table: BAR=1 offset=00000000
> 		PBA: BAR=1 offset=00000800
> 	Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
> 		BAR=0 offset=00000000 size=00000000
> 	Capabilities: [70] Vendor Specific Information: VirtIO: Notify
> 		BAR=4 offset=00003000 size=00001000 multiplier=00000004
> 	Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
> 		BAR=4 offset=00002000 size=00001000
> 	Capabilities: [50] Vendor Specific Information: VirtIO: ISR
> 		BAR=4 offset=00001000 size=00001000
> 	Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
> 		BAR=4 offset=00000000 size=00001000
> 	Kernel driver in use: virtio-pci
> 	Kernel modules: virtio_pci
> 
> 
> ** USB devices:
> not available
> 
> 
> -- System Information:
> Debian Release: 9.9
>   APT prefers stable-updates
>   APT policy: (500, 'stable-updates'), (500, 'stable')
> Architecture: amd64 (x86_64)
> 
> Kernel: Linux 4.19.0-0.bpo.5.kasan-amd64 (SMP w/6 CPU cores)
> Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
> Init: systemd (via /run/systemd/system)
> 
> Versions of packages linux-image-4.19.0-0.bpo.5-amd64 depends on:
> ii  initramfs-tools [linux-initramfs-tool]  0.130
> ii  kmod                                    23-2
> ii  linux-base                              4.5
> 
> Versions of packages linux-image-4.19.0-0.bpo.5-amd64 recommends:
> ii  apparmor             2.11.0-3+deb9u2
> ii  firmware-linux-free  3.4
> 
> Versions of packages linux-image-4.19.0-0.bpo.5-amd64 suggests:
> pn  debian-kernel-handbook  <none>
> ii  grub-pc                 2.02~beta3-5+deb9u1
> pn  linux-doc-4.19          <none>
> 
> Versions of packages linux-image-4.19.0-0.bpo.5-amd64 is related to:
> pn  firmware-amd-graphics     <none>
> pn  firmware-atheros          <none>
> pn  firmware-bnx2             <none>
> pn  firmware-bnx2x            <none>
> pn  firmware-brcm80211        <none>
> pn  firmware-cavium           <none>
> pn  firmware-intel-sound      <none>
> pn  firmware-intelwimax       <none>
> pn  firmware-ipw2x00          <none>
> pn  firmware-ivtv             <none>
> pn  firmware-iwlwifi          <none>
> pn  firmware-libertas         <none>
> pn  firmware-linux-nonfree    <none>
> pn  firmware-misc-nonfree     <none>
> pn  firmware-myricom          <none>
> pn  firmware-netxen           <none>
> pn  firmware-qlogic           <none>
> pn  firmware-realtek          <none>
> pn  firmware-samsung          <none>
> pn  firmware-siano            <none>
> pn  firmware-ti-connectivity  <none>
> pn  xen-hypervisor            <none>
> 
> -- no debconf information
> 


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