Merge changes I9a6c5927,I055eabb8,I81efc98d,Icc5b7830

* changes:
  RIFT-14308 Meaningful logs  while initalizing Openstack driver
  RIFT-14481 uptime for vlr, vnfr, nsr
  RIFT-14481 No create-time on VLR
  RIFT-14555 Fixing few console error messages