bots: Fix regression in our use of virt-install
bots: Fix regression in our use of virt-install

Since the commit b772ad73975359b3b2ad1570cf40d90a788910bf our
use of virt-install has failed due to invalid paths being passed
for network configuration scripts.

Closes #7327
petervo/cockpit,michalskrivanek/cockpit,xhad/cockpit,mareklibra/cockpit,martinpitt/cockpit,cockpituous/cockpit,stefwalter/cockpit,stefwalter/cockpit,larskarlitski/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,michalskrivanek/cockpit,andreasn/cockpit,deryni/cockpit,harishanand95/cockpit,michalskrivanek/cockpit,stefwalter/cockpit,petervo/cockpit,xhad/cockpit,larskarlitski/cockpit,deryni/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,Scribery/cockpit,garrett/cockpit,harishanand95/cockpit,xhad/cockpit,deryni/cockpit,moraleslazaro/cockpit,xhad/cockpit,Scribery/cockpit,mareklibra/cockpit,mvollmer/cockpit,larskarlitski/cockpit,SotolitoLabs/cockpit,SotolitoLabs/cockpit,michalskrivanek/cockpit,deryni/cockpit,deryni/cockpit,SotolitoLabs/cockpit,mvollmer/cockpit,stefwalter/cockpit,cockpit-project/cockpit,deryni/cockpit,cockpit-project/cockpit,garrett/cockpit,harishanand95/cockpit,martinpitt/cockpit,cockpituous/cockpit,harishanand95/cockpit,petervo/cockpit,mvollmer/cockpit,andreasn/cockpit,garrett/cockpit,cockpit-project/cockpit,michalskrivanek/cockpit,xhad/cockpit,michalskrivanek/cockpit,andreasn/cockpit,larsu/cockpit,martinpitt/cockpit,petervo/cockpit,larsu/cockpit,SotolitoLabs/cockpit,mareklibra/cockpit,cockpituous/cockpit,cockpituous/cockpit,harishanand95/cockpit,moraleslazaro/cockpit,andreasn/cockpit,Scribery/cockpit,cockpit-project/cockpit,larsu/cockpit,Scribery/cockpit,petervo/cockpit,mvollmer/cockpit,larskarlitski/cockpit,harishanand95/cockpit,SotolitoLabs/cockpit,garrett/cockpit,larskarlitski/cockpit,larsu/cockpit,harishanand95/cockpit,larskarlitski/cockpit,cockpit-project/cockpit,andreasn/cockpit,garrett/cockpit,stefwalter/cockpit,stefwalter/cockpit,michalskrivanek/cockpit,Scribery/cockpit,petervo/cockpit,cockpituous/cockpit,stefwalter/cockpit,larsu/cockpit,mareklibra/cockpit,larsu/cockpit,mvollmer/cockpit,martinpitt/cockpit,SotolitoLabs/cockpit,andreasn/cockpit,andreasn/cockpit,mareklibra/cockpit,petervo/cockpit,cockpituous/cockpit,Scribery/cockpit,Scribery/cockpit,moraleslazaro/cockpit,xhad/cockpit,mareklibra/cockpit,deryni/cockpit,SotolitoLabs/cockpit,mareklibra/cockpit,larskarlitski/cockpit,xhad/cockpit,martinpitt/cockpit