update vc_node to add br0 after VC algo

ubuntu_base/vc_node.py

@@ -232,6 +232,10 @@ def proceed_simple_VC():
     print("I am", "IN VC" if node.state == State.DECIDED_IN_VC else "NOT in VC")
 
     # Start a new Python process to run another script based on Node decision
+
+    subprocess.run("/home/node/Desktop/gns3_unikernel_testbed/ubuntu_base /./initiate", shell=True, check=True)
+    print("A bridge br0 created")
+
     if node.state == State.DECIDED_IN_VC:
         subprocess.Popen([sys.executable, '/home/node/Desktop/gns3_unikernel_testbed/ubuntu_base/opportunistic_monitor.py'])
     elif node.state == State.DECIDED_NOT_VC: