/xx.yaml:4:1: Invalid YAML: inconsistent indentation: ethernets:

/etc/netplan/10-ens3.yaml:4:1: Invalid YAML: inconsistent indentation:

ethernets:

报以上错误基本上就是网络ip的配置缩进不一致，格式不正确。

以上介绍ubuntu的静态ip正确配置方式

Ubuntu 17.10, Ubuntu 18.xx, Ubuntu 19.xx, Ubuntu 20.xx

Populate the /etc/netplan/10-ens3.yaml file with the following text.

network:
  version: 2
  renderer: networkd
  ethernets:
    ens33:
      dhcp4: no
      addresses: [208.167.245.112/24]
      gateway4: 208.167.245.1
      nameservers:
        addresses: [108.61.10.10]

Update networking or reboot.

netplan apply