After an apt update and reboot, I cannot access my server (Solved)

I'm running Ubuntu 22.04. I did an upgrade and reboot and suddenly I can't access my server. I can access the server via lish, but cannot access anything outside the server.

Here are my observations:

• Pinging the server IP I get no response
• Pinging (from the server to linode.com) responds with Temporary failure in name resolution
• tracert (from my PC) gets me as far as linode-ic341108-toro-b3.ip.twelve99-cust.net
• oddly enough ufw is apparently no longer installed
• sudo iptables-save gives me the following

# Generated by iptables-save v1.8.7 on Thu Nov 17 23:34:47 2022 
*filter
:INPUT ACCEPT [443961:45159848]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [443627:45128416]
COMMIT
# Completed on Thu Nov 17 23:34:47 2022

• sudo service sshd status shows me that it is running
• I can ssh myuser@localhost but not to the ip address of a different linode.
• route -n shows no records
• /etc/netplan/01-netcfg.yaml shows:

network:
  version: 2
  renderer: networkd 
  ethernets:
    enp0s3:
      dhcp4: yes

• Auto-Configure Networking is enabled

It would seem that my network isn't configured correctly after the update.
Please advise.

-- Solved: The problem was the systemd-networkd service had been disabled. Starting it fixed everything.