computer
  |
  +- net_br_ex_fa_16_3e_ad_b1_cd
  +- net_br_int_32_c1_f0_a5_bb_64
  +- net_lo_00_00_00_00_00_00
  +- net_ovs_system_a6_d4_53_33_e4_e7
  +- net_vlan20_02_d5_8b_df_8c_3e
  +- net_vlan21_ba_d8_91_c8_21_b6
  +- net_vlan22_c6_3e_a5_88_f7_12
  +- pci_0000_00_00_0
  +- pci_0000_00_01_0
  |   |
  |   +- drm_card0
  |   +- drm_renderD128
  |     
  +- pci_0000_00_02_0
  |   |
  |   +- pci_0000_01_00_0
  |       |
  |       +- pci_0000_02_01_0
  |           |
  |           +- usb_usb1
  |               |
  |               +- usb_1_0_1_0
  |               +- usb_1_1
  |                   |
  |                   +- usb_1_1_1_0
  |                     
  +- pci_0000_00_02_1
  |   |
  |   +- pci_0000_03_00_0
  |       |
  |       +- net_eth0_fa_16_3e_09_3a_50
  |         
  +- pci_0000_00_02_2
  |   |
  |   +- pci_0000_04_00_0
  |       |
  |       +- block_vda
  |         
  +- pci_0000_00_02_3
  |   |
  |   +- pci_0000_05_00_0
  |     
  +- pci_0000_00_02_4
  |   |
  |   +- pci_0000_06_00_0
  |     
  +- pci_0000_00_02_5
  |   |
  |   +- pci_0000_07_00_0
  |       |
  |       +- net_eth1_fa_16_3e_ad_b1_cd
  |         
  +- pci_0000_00_02_6
  +- pci_0000_00_02_7
  +- pci_0000_00_03_0
  +- pci_0000_00_03_1
  +- pci_0000_00_03_2
  +- pci_0000_00_03_3
  +- pci_0000_00_03_4
  +- pci_0000_00_03_5
  +- pci_0000_00_03_6
  +- pci_0000_00_03_7
  +- pci_0000_00_04_0
  +- pci_0000_00_1f_0
  +- pci_0000_00_1f_2
  |   |
  |   +- scsi_host0
  |   |   |
  |   |   +- scsi_target0_0_0
  |   |       |
  |   |       +- scsi_0_0_0_0
  |   |           |
  |   |           +- block_sr0_QEMU_DVD_ROM_QM00001
  |   |           +- scsi_generic_sg0
  |   |             
  |   +- scsi_host1
  |   +- scsi_host2
  |   +- scsi_host3
  |   +- scsi_host4
  |   +- scsi_host5
  |     
  +- pci_0000_00_1f_3
    

