net/base.py: rename to resolve module name conflict

experiments/simbricks/orchestration/simulation/net/__init__.py

@@ -20,4 +20,4 @@
 # TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-from simbricks.orchestration.simulation.net.base import *
+from simbricks.orchestration.simulation.net.net_base import *