computer
  |
  +- net_br_ex_fa_16_3e_56_d2_78
  +- net_br_int_3e_d9_0f_fd_4b_7f
  +- net_lo_00_00_00_00_00_00
  +- net_ovs_system_5a_a7_f7_08_d9_c8
  +- net_vlan20_8a_97_08_53_c5_4a
  +- net_vlan21_62_68_2c_d3_8a_09
  +- net_vlan22_52_a5_4c_19_30_49
  +- 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_e0_39_44
  |         
  +- 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_56_d2_78
  |         
  +- 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
    

