How to set up ubuntu server netwrok under virtualbox and host-only adopter

Add another NAT adopter 

preferences -> network -> nat networks -> add

container settings -> network -> adopter2 -> nat

Check available network adopters

ls /sys/class/net

Config netplan

sudo vim /etc/netplan/99_config.yaml:

network:
  version: 2
  renderer: networkd
  ethernets:
    enp3s0:
      dhcp4: true

sudo netplan apply

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