Slave nodes are not booted
Slave nodes are not booted

We restart all the NICs of master node after we ensure Cobbler is
ready. Restarting NIC breaks network connection between Cobbler
and outgoing physical network. Added another restart of the docker
container after network restart.

Change-Id: I0bbba2fbad801e109f52ee5fbcf203b8ba7d1dd8
Closes-Bug: #1427227

teselkin/fuel-main,dancn/fuel-main-dev,stackforge/fuel-main,AnselZhangGit/fuel-main,zhaochao/fuel-main,AnselZhangGit/fuel-main,dancn/fuel-main-dev,stackforge/fuel-main,ddepaoli3/fuel-main-dev,zhaochao/fuel-main,stackforge/fuel-main,SmartInfrastructures/fuel-main-dev,teselkin/fuel-main,SergK/fuel-main,eayunstack/fuel-main,dancn/fuel-main-dev,Fiware/ops.Fuel-main-dev,eayunstack/fuel-main,SmartInfrastructures/fuel-main-dev,AnselZhangGit/fuel-main,ddepaoli3/fuel-main-dev,teselkin/fuel-main,SergK/fuel-main,dancn/fuel-main-dev,zhaochao/fuel-main,teselkin/fuel-main,eayunstack/fuel-main,SmartInfrastructures/fuel-main-dev,Fiware/ops.Fuel-main-dev,huntxu/fuel-main,Fiware/ops.Fuel-main-dev,ddepaoli3/fuel-main-dev,AnselZhangGit/fuel-main,zhaochao/fuel-main,huntxu/fuel-main,SergK/fuel-main,Fiware/ops.Fuel-main-dev,zhaochao/fuel-main,SmartInfrastructures/fuel-main-dev,huntxu/fuel-main,ddepaoli3/fuel-main-dev