There is an attribute to change the mtu size for the sr-iov interface. It is not set which causes the issue.
There is an attribute to change the mtu size
for the sr-iov interface. It is not set which
causes the issue.

code is added to set the attribute to 'True'

Change-Id: I23ea2cb31ad8016659ee32cda42d0dfc762d5076
Closes-bug: #1543448

Juniper/contrail-fabric-utils,Juniper/contrail-fabric-utils