Connection to VPS console fails on XenPV slave node: Could not read tty from store

Symptoms

Connection to Xen PV VPS console fails at SolusVM > Virtual Servers > VPS > Console > HTML 5 Console with error:

CONFIG_TEXT: xenconsole: Could not read tty from store: Success

Cause

xenconsoled service failure.

Resolution

1. Connect to the slave node via SSH
2. Restart the xenconsoled
   # systemctl restart xenconsoled