Comment 26 for bug 1860926

```
a@localhost ~> cat /etc/netplan/00-installer-config.yaml
# This is the network config written by 'subiquity'
network:
  ethernets:
    ens192:
      dhcp4: true
  version: 2
a@localhost ~>
````

And

```
a@localhost ~> networkctl
IDX LINK TYPE OPERATIONAL SETUP
  1 lo loopback carrier unmanaged
  2 ens192 ether routable failed

2 links listed.
```

And

```
a@localhost ~> ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: ens192: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 00:50:56:1b:ea:c9 brd ff:ff:ff:ff:ff:ff
    inet 82.223.122.106/32 scope global dynamic ens192
       valid_lft 42258sec preferred_lft 42258sec
    inet6 fe80::250:56ff:fe1b:eac9/64 scope link
       valid_lft forever preferred_lft forever
```

And

```
a@localhost ~> networkctl status
● State: routable
  Address: 82.223.122.106 on ens192
           fe80::250:56ff:fe1b:eac9 on ens192
  Gateway: 10.255.255.1 (VMware, Inc.) on ens192
      DNS: 212.227.123.16
           212.227.123.17

May 10 03:10:35 localhost systemd-networkd[938]: Enumeration completed
May 10 03:10:35 localhost systemd-networkd[938]: ens192: IPv6 successfully enabled
May 10 03:10:35 localhost systemd[1]: Started Network Service.
May 10 03:10:35 localhost systemd[1]: Starting Wait for Network to be Configured...
May 10 03:10:35 localhost systemd-networkd[938]: ens192: Link UP
May 10 03:10:35 localhost systemd-networkd[938]: ens192: Gained carrier
May 10 03:10:35 localhost systemd-networkd[938]: ens192: DHCPv4 address 82.223.122.106/32 via 10.255.255.1
May 10 03:10:35 localhost systemd-networkd[938]: ens192: Could not set DHCPv4 route: Nexthop has invalid gateway. Network is unreachable
May 10 03:10:35 localhost systemd-networkd[938]: ens192: Failed
May 10 03:10:35 localhost systemd[1]: Finished Wait for Network to be Configured.
```

I've used the following cmd:

```
sudo add-apt-repository ppa:ddstreet/lp1860926
sudo apt-get update
```

But the issue still exist !