ZWave JS v1.62 broke my install. (Logs below) I was previously on v1.61 which worked fine.
2022-06-21 12:09:17 ERROR (MainThread) [homeassistant.components.zwave_js] Failed to connect: Cannot connect to host core-zwave-js:3000 ssl:default [Connect call failed ('172.30.33.4', 3000)]
2022-06-21 12:09:17 WARNING (MainThread) [homeassistant.config_entries] Config entry 'Z-Wave JS' for zwave_js integration not ready yet: Cannot connect to host core-zwave-js:3000 ssl:default [Connect call failed ('172.30.33.4', 3000)]; Retrying in background