Ubuntu 18.04 Crashing on vmWare ESXi Server and Carrots

Internal scenario recently. Some Ubuntu Server guest VMs running on top of vmWare ESXi server. Everything running fine, no issues, then the Ubuntu guest VMs will just randomly become utterly unresponsive. Nothing happening before, the only thing on the Ubuntu guest logs are just a crap ton of carrot jibberish: "^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@" Luckily I came across this post related to Mastodon that described the exact same event: