Description of problem: The new /etc/hosts default line is: ::1 localhost.localdomain The old /etc/hosts default line is: 127.0.0.1 localhost.localdomain When installing the popular Matlab software, it fails to start due that change. Version-Release number of selected component (if applicable): I am not sure about the component. How reproducible: always Steps to Reproduce: 1. install Matlab 2. start Flexlm by /usr/local/matlab/etc/lmstart 3. Actual results: can't open tcp port Expected results: OK Additional info:
This is Matlab issue, not iproute. The default /etc/hosts file has changed, now it contains the IPv6 and IPv4 address for localhoast and Matlab cannot handle it as it should. Please report this bug to Matlab developers.