vishvananda/netlink — pull request #7 by eyakubovich (2014-10-28 21:18:11+00:00)
Title: Fallback to LinkList on LinkByName when needed

Older kernels (e.g. one shipped with RHEL 6.5) don't
support RTM_GETLINK with IFLA_IFNAME. In these cases
fallback to dumping all interfaces and filtering
in userspace.