Example Usage
./metarget cnv install cve-2016-5195 # container escape with dirtyCoW
./metarget cnv install cve-2019-5736 # container escape with docker
./metarget cnv install cve-2018-1002105 # kubernetes single-node cluster with cve-2018-1002105
./metarget cnv install privileged-container # deploy a privileged container
./metarget appv install dvwa --external # deploy dvwa target