Just a quick and dirty post for my future reference.
Sometimes, the OS gets confused. Especially if there are additional lines for VMXNET.
When you run "system-config-network", eth0 should show the VMware NIC type, for example "VMXNET3"
1. Remove the unnecessary lines from /etc/udev/rules.d/70-persistent-net.rules
2. Make sure the MAC address matches matches the ESXi assigned
3. Restart the services "service network restart"
4. "yum clean all" (in case cache is pointing to dead update locations)
4. yum update
Location of network configuration file: (assumption for 1st network adapter)