Comment 4 for bug 1810966

Used the below steps :

export RELEASE=rocky
export VIRTHOST=127.0.0.2
time bash quickstart.sh \
     --teardown all \
  --tags all \
  --release $RELEASE \
  --nodes /home/user/tripleo-quickstart/config/nodes/1ctlr_1comp.yml \
  -e undercloud_undercloud_ntp_servers=147.117.251.28 \
  --clean \
  $VIRTHOST