Issue Report

Auto upgrade from 1688.5.3 to 1745.3.1 has changed the network interface name from ens192 to enp11s0 on all my vmware based systems. As a consequence the IP addresses went to dhcp and changed and flannel also then failed to find the interface.

Bug

Container Linux Version

$ cat /etc/os-release
NAME="Container Linux by CoreOS"
ID=coreos
VERSION=1745.3.1
VERSION_ID=1745.3.1
BUILD_ID=2018-05-23-0922
PRETTY_NAME="Container Linux by CoreOS 1745.3.1 (Rhyolite)"
ANSI_COLOR="38;5;75"
HOME_URL="https://coreos.com/"
BUG_REPORT_URL="https://issues.coreos.com"
COREOS_BOARD="amd64-usr"

Environment

Bare-metal kubernetes and etcd running on vmware. VMware is version 6.5 deployed using vmware cloud config.

Expected Behavior

Stable upgrades shouldn't change the adapter name.

Actual Behavior

Interface name changed

Reproduction Steps

Not reproduced but the same thing has happened on 7 VMs before i managed to stop the update service.

Other Information

Is there any way to downgrade again to the old version?