Fix uninitialized flags in create_network()
Causes the TCK test suite to emit: Use of uninitialized value in subroutine entry at /usr/lib64/perl5/vendor_perl/Sys/Virt/Network.pm
to stderr which in turn confuses Avocado into thinking that the test failed.
Signed-off-by: Erik Skultety eskultet@redhat.com