Add custom mac address option to vhost interfaces.

Generating a new MAC address everytime vpp reboots can quickly
become cumbersome (e.g. in test scenarios).
This commit allows vhost mac addresses to be configured
manually.

Change-Id: Ic6d16a2d14cdf8e49dc29041bbafde39d9fc8370
Signed-off-by: Pierre Pfister <ppfister@cisco.com>
7 files changed