conf: Extract formatting of network disk source into separate function
conf: Extract formatting of network disk source into separate function

jfehlig/libvirt,zippy2/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,crobinso/libvirt,olafhering/libvirt,jardasgit/libvirt,andreabolognani/libvirt,jfehlig/libvirt,olafhering/libvirt,libvirt/libvirt,fabianfreyer/libvirt,zippy2/libvirt,crobinso/libvirt,nertpinx/libvirt,datto/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,eskultety/libvirt,zippy2/libvirt,andreabolognani/libvirt,datto/libvirt,datto/libvirt,andreabolognani/libvirt,nertpinx/libvirt,crobinso/libvirt,jfehlig/libvirt,VenkatDatta/libvirt,crobinso/libvirt,datto/libvirt,datto/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,libvirt/libvirt,eskultety/libvirt,olafhering/libvirt,nertpinx/libvirt,VenkatDatta/libvirt,andreabolognani/libvirt,libvirt/libvirt,jardasgit/libvirt,eskultety/libvirt,libvirt/libvirt,eskultety/libvirt,eskultety/libvirt,fabianfreyer/libvirt,zippy2/libvirt,andreabolognani/libvirt,olafhering/libvirt,nertpinx/libvirt,jardasgit/libvirt