Reintall iproute(1:3.10.0-1ubuntu1) from cache

Remove dependency and move the installation of the correct version
of iproute (1:3.10.0-1ubuntu1) in provisioning scripts. The updated
version is only needed when lbaas support is needed with haproxy.

Change-Id: I4ad258fcc5636dc388ec58c3b7b8ee6fb5e16bce
Closes-Bug: #1380836