网卡没有ip

[root@ningan netplan]# cat 01-network-manager-all.yaml
# Let NetworkManager manage all devices on this system
network:
  version: 2
  renderer: NetworkManager
  ethernets:
    eth0:
      dhcp4: yes
      dhcp6: yes
    eth1:
      dhcp4: no
      dhcp6: no
      addresses:
        - 192.168.20.201/24
      routes:
        - to: default
          via: 192.168.20.20
      nameservers:
        addresses:
          - 114.114.114.114
          - 8.8.8.8

[root@ningan netplan]# netplan apply

(generate:22000): GLib-WARNING **: 23:11:36.612: GError set over the top of a previous GError or uninitialized memory.
This indicates a bug in someone's code. You must ensure an error is NULL before it's set.
The overwriting error message was: /etc/netplan/01-network-manager-all.yaml:15:9: Error in network definition: unicast route must include both a 'to' and 'via' IP
        - to: default
        ^
/etc/netplan/01-network-manager-all.yaml:15:15: Error in network definition: invalid IP family '-1'
        - to: default
              ^

# Let NetworkManager manage all devices on this system
network:
  version: 2
  renderer: NetworkManager
  ethernets:
    eth0:
      dhcp4: true
    eth1:                           # 配置网卡的名称,通过 ip a 命令查看
      dhcp4: false                    # 关闭 DHCP，如果需要打开 DHCP 则写 true
      addresses: [192.168.20.201/24]    # 配置的静态 IP 地址和掩码
      optional: true
      gateway4: 192.168.20.20            # 网关地址
      nameservers:
        addresses: [8.8.8.8,114.114.114.114]       # DNS 服务器地址，多个 DNS 服务器地址需要用英文逗号分隔开